ПЕРЕНОСНОЙ СВЕРЛИЛЬНЫЙ СТАНОК

Переносной сверлильный станок содержит узел трансмиссии, содержащий первый электродвигатель, имеющий ось вращения и распределительный блок движения, сообщаемого инструментальному валу, поддерживающему средства для сверления и сварки и имеющему ось вращения. Станок включает также централизованный узел, содержащий опорный вал для подачи упомянутого инструментального вала, образованного полой цилиндрической трубой, содержащей внутри винтовую трубу с внешней резьбой, и второй централизованный электродвигатель, выполненный с возможностью управления упомянутой подачей; средства для соединения и разъединения упомянутого узла трансмиссии с упомянутым централизованным узлом и систему подачи упомянутой винтовой трубы, выполненную с возможностью преобразования вращательного движения, сообщаемого упомянутым централизованным электродвигателем, в прямолинейное движение упомянутой винтовой трубы. Достигается упрощение эксплуатации и расширение технологических возможностей. 4 з.п. ф-лы, 7 ил.

ЛАЗЕРНАЯ ЭЛЕКТРОДРЕЛЬ

Изобретение относится к строительной промышленности, в частности к ручным сверлильным машинам, и может применяться для бурения-сверления отверстий в гранитных блоках и бетонных стенах. Лазерная электродрель, содержащая электродвигатель, корпус редуктора, шпиндель-вал, лазерное устройство, инструмент для сверления. Инструмент для сверления выполнен в виде связанного непосредственно с корпусом редуктора шнека, на одном конце которого закреплена высокотемпературная коронка сплошного забоя, армированная термостойкими резцами, а другой его конец связан с шпинделем-валом. Лазерное устройство установлено в верхней части корпуса редуктора с возможностью направления лазерного луча через внутреннюю полость шнекового инструмента к верхней торцевой части высокотемпературной коронки. Обеспечивает увеличение скорости бурения-сверления в твердых гранитных блоках и бетонных стенах с удалением разупрочненной прослойки с забоя, не доводя ее до плавления. 1 ил.

СВЕРЛИЛЬНАЯ МАШИНА С ДЕРЖАТЕЛЕМ ЗАЖИМНОГО КЛЮЧА

Модель ручной электромашины вращательно ударного действия бытового и производственного применения, содержащая кулачковый патрон, зажимной ключ и держатель ключа, закрепленный на электрошнуре, отличающаяся тем, что держатель выполнен в форме втулки с вращающимся в ней ключом, закрепленной на длине электрошнура, равной расстоянию от рукоятки до кулачков патрона. Применение электромашины с таким держателем ключа сокращает время перезакрепления инструмента в патроне и исключает разбалтывание рукоятки электромашины.

ПРИВОД РУЧНОГО МЕХАНИЗИРОВАННОГО ИНСТРУМЕНТА

... 1. Привод ручного механизированного инструмента, включающий электрогироскоп с маховиком, отличающийся тем, что содержит два разнесенных маховика с одинаковыми моментами инерции и разнонаправленным вращением. ! 2. Привод по п.1, отличающийся тем, что при снятии энергии с одного маховика производится одновременная накачка энергией другого. ! 3. Привод по п.2, отличающийся тем, что накачка энергией маховиков производится сжатым воздухом. ! 4. Привод по п.2, отличающийся тем, что зарядка маховика начинает производиться при потере 60% его энергии.

ПЕРЕНОСНОЕ УСТРОЙСТВО ДЛЯ СВЕРЛЕНИЯ ОТВЕРСТИЙ В БОРТУ ГУСЕНИЧНОЙ МАШИНЫ

Полезная модель относится к области металлообработки, а именно к сверлению отверстий в изделиях из легированной стали в борту гусеничной машины и может применяться для вертикального или горизонтального сверления при модернизации, ремонте и обработке отверстий в крупногабаритных изделиях. Задачей полезной модели является расширение технологических возможностей путем создания переносного устройства, обеспечивающего сверление отверстий в крупногабаритных изделиях из легированной стали с заданными базовыми координатами. При этом достигается следующий технический результат: облегчение конструкции, универсальность, снижение трудоемкости процесса обработки и безопасность при использовании. Это достигается тем, что в переносном устройстве для сверления отверстий в борту гусеничной машины.содержащее колонку, два кронштейна, электродрель; колонка установлена на оси одного из кронштейнов, опора которого прихвачена сваркой к борту гусеничной машины; на колонке, с возможностью прилегания к торцу борта ...

СПОСОБ ИЗГОТОВЛЕНИЯ СООСНЫХ ВНУТРЕННИХ ЦИЛИНДРИЧЕСКИХ ПОВЕРХНОСТЕЙ И УСТРОЙСТВО ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Изобретение относится к области машиностроения, восстановлению или изготовлению новых цилиндрических поверхностей в узлах стационарного оборудования, нарезанию внутренней резьбы, спиральных или прямых канавок в глубоких отверстиях. Способ включает механическую расточку режущей головкой. Для повышения точности и расширения технологических возможностей предварительно задают ось, общую для изготавливаемых цилиндрических поверхностей, путем предварительного изготовления в опоре, по меньшей мере, двух соединяющих их отверстий, установки в полученные отверстия устройства, содержащего направляющий вал, ось которого совпадает с заданной. При этом направляющий вал устанавливают с возможностью вращения относительно опоры коаксиально с заданной осью и одновременной фиксации от осевого перемещения, а механическую расточку поверхностей осуществляют посредством, по меньшей мере, одной составной режущей головки, включающей, по меньшей мере, две части, первой из которых придают вращение совместно с направляющим ...

ИНСТРУМЕНТ УДАРНО-ВРАЩАТЕЛЬНОГО ДЕЙСТВИЯ

Инструмент содержит корпус, размещенные в нем привод, кинематически связанный с последним шпиндель, установелнные на шпинделе наковальню и с возможностью совместного вращения и относительного осевого перемещения ударник, подпружиненный к наковальне для взаимодействия с последней, кулачковый механизм подброса ударника и патрон для рабочего инструмента. Ударник и наковальня выполнены соответственно с конусным отверстием и выступом с возможностью их взаимодействия между собой при ударе. Кулачковый механизм подброса ударника выполнен в виде примыкающих одна к другой посредством втулки и пружины двух верхней и нижней кулачковых винтовых полумуфт, взаимодействующих между собой торцевыми винтовыми зубьями и помещенных в герметической камере, заполненной смазкой, при этом верхняя кулачковая винтовая полумуфта и втулка выполнены с дополнительными двумя винтовыми кулачками с возможностью взаимодействия между собой торцевыми винтовыми зубьями. Шпиндель кинематически соединен с патроном для рабочего ...

РУКОЯТКА-КОНТЕЙНЕР И РУЧНОЙ ЭЛЕКТРОИНСТРУМЕНТ С ЕЁ ИСПОЛЬЗОВАНИЕМ

ЭЛЕКТРОИНСТРУМЕНТЫ

... 1. Электроинструмент, содержащий переключатель и лампу, причем переключатель и лампа вмонтированы в корпус электроинструмента, в котором ! лампа соединена с кожухом переключателя и установлена в корпусе заодно с переключателем. ! 2. Электроинструмент по п.1, в котором лампа разъемно соединена с кожухом переключателя. ! 3. Электроинструмент по п.2, в котором лампа поворотно соединена с кожухом переключателя, и направление света от лампы может меняться. ! 4. Электроинструмент по п.3, в котором переключатель является курковым переключателем, который может быть нажат действием пальца пользователя, и лампа соединена с нижней частью куркового переключателя. ! 5. Электроинструмент по п.4, в котором ! корпус включает в себя трубчатый корпус, в который вмещены двигатель и приводной механизм инструмента, и рукоятку, выступающую вниз от трубчатого корпуса; и переключатель, и лампа вмонтированы в рукоятку, причем лампа расположена в нижней части рукоятки. !6. Электроинструмент по п.5, в котором лампа ...

БОКОВЫЕ РУКОЯТКИ НА ДРЕЛЯХ/ОТВЕРТКАХ

... 1. Инструмент, содержащий: корпус, имеющий рукоятку, мотор и переднюю часть: кольцо, прикрепленное с возможностью поворота рядом с указанной передней частью указанного корпуса; область установки рукоятки, предусмотренная перед упомянутым кольцом и не имеющая возможности поворота; и зажимной патрон, закрепленный перед указанной областью установки боковой рукоятки. 2. Инструмент по п.1, причем поворот указанного кольца вызывает изменение установочного параметра крутящего момента инструмента. 3. Инструмент по п.1, дополнительно содержащий рукоятку, включающую в себя кольцевую установочную часть, предназначенную для закрепления рукоятки в указанной области установки боковой рукоятки. 4. Инструмент по п.3, причем указанная рукоятка имеет возможность регулируемого поворота вокруг указанного колпачкового элемента. 5. Инструмент по п.1, причем указанная область установки рукоятки включает в себя цилиндрический колпачковый элемент. 6. Инструмент по п.1, причем указанная область установки рукоятки ...

Переносный сверлильный станок

Ручная сверлильная машина

Переносная установка для расточки отверстий

Переносная сверлильная машина с автоматическим регулированием подачи

Сверлильный прибор

Ручное сверло для бурения шпуров по углю

Ручной механизированный инструмент

Ручная сверлильная машина

Ручная сверлильная электромашина

Патрон для крепления рабочего органа в ручных инструментах вращательного действия

Устройство для фрезерования

Изобретение относится к машиностроению, в частности к ручному механизированному инструменту, и может быть использовано для вырезания сверлом отверстий, прямолинейных и фигурных пазов. Целью изобретения является расширение технологических возможностей вырезания отверстий любой конфигурации, а также прямолинейных и фигурных пазов. Устройство содержит основание 1 с закрепленным на нем держателем 2 дрели 8, базирующие штифты 10, 11 и механизм перемещения устройства, включающий сферический шарнир 3. В последнем выполнено отверстие, в которое с возможностью осевого перемещения установлен стержень 5 с заостренным трехгранным концом 6. Базирующие штифты 10, 11 и механизм перемещения установлены так, что вертикальные оси штифтов 10, 11 и сферического шарнира 3 находятся в одной плоскости со шпинделем 8. При фрезеровании фигурного (криволинейного) паза в работе участвует только базирующий штифт 10, западающий в фрезеруемый паз. При фрезеровании прямолинейного паза в работе участвуют оба штифта 10 ...

Приспособление для сверления радиально расположенных воздушных каналов в полости ствола пневматические молотков

Электросверло с автоматическим регулированием подачи шпинделя

Инструмент ударно-вращательного действия

Использование: для сверления отверстий в бетоне, кирпиче и камне. Сущность изобретения: инструмент содержит корпус с размещенными в нем шпинделем, ударником , коаксиально расположены на ударнике кулачковая муфта и упорная втулка. Цилиндрический ударник не вращается и наносит центральный удар по наковальне. Происходит смягчение удара взаимодействующих пар при сохранении механизма подъема ударника. 3 ил.

Ударно-сверлильная насадка к ручному инструменту

Изобретение откосится к устройствам, предназначенным для производства сверлильных работ в камне и бетоне, вчастности к ручным электроинструментам для виброударного сверления. Целью изобретения является повышение производительности процесса сверления за счет задания инструменту сложного движения в процессе свер- ления. Ударно-сверлильная насадка содержит корпус 1, втулку 4, держатель 7 инструмента, вибратор и пружину 11 Держатель инструмента установлен на втулке 4 с возможностью осевого перемещения и связан с ней посредством штифта 9, который установлен в наклонных пазах 10 втулки 4 и за с.чет наклонных пазоо проворачивается относительно нее 3 ил ...

Переносная сверлильная машина

Handwerkzeugmaschine mit einer Gangumschalteeinheit

Bei einer Handwerkzeugmaschine (100) mit einer Antriebseinheit, die zumindest einen Antriebsmotor (120) und ein mit dem Antriebsmotor (120) gekoppeltes Getriebe (130) zum Antreiben eines Einsatzwerkzeugs aufweist, wobei das Getriebe (130) mindestens zwischen zwei unterschiedlichen Gangstufen umschaltbar ist, ist eine Kommunikationsschnittstelle vorgesehen, die zur Kommunikation mit einer von einem Benutzer betätigbaren Benutzerführungseinheit vorgesehen ist und dazu ausgebildet ist, von der Benutzerführungseinheit Umschaltanweisungen zum anwendungsspezifischen Umschalten des Getriebes (130) zwischen den zwei unterschiedlichen Gangstufen zu empfangen.

Kohlenbuerstenhalter fuer elektrisch angetriebene Handgeraete mit einem Metallgehaeuse

Elektrisch angetriebenes Werkzeug,insbesondere elektrisches Messer

Elektrische Einhandbohrmaschine mit einem seitlich aus dem Gehaeuse herausragenden, mit dem Daumen der die Bohrmaschine umfassenden Hand bedienbaren Schaltdruckknopf

ORTHOPAEDISCHER ANTRIEBSEINRICHTUNG UND WIEDERAUFLADBARES BATTERIEPACK DAFUER.

Sensorlose Motortemperaturüberwachung

Die Erfindung betrifft ein Elektrohandwerkzeug, das als Bauteil einen Elektromotor und eine elektrische/elektronische Antriebssteuerung aufweist und mit einer Temperaturerfassung zur Überwachung der Motortemperatur des Elektromotors, wobei die Temperaturerfassung durch von der Antriebssteuerung (45) erfolgende Auswertung von mindestens einem sich betriebsbedingt ändernden Parameter von mindestens einem der Bauteile erfolgt.

Elektrohandwerkzeugmaschine der Schutzklasse II mit Planetengetriebe

Elektrohandwerkzeugmaschine (1) mit einem Elektromotor (2) mit einer Ankerwelle (4), welche mit einem Planetengetriebe (5) mit einem Planetenträger (8) und Zahnrädern (6, 7) aus Metall verbunden ist, wobei der Planetenträger (8) aus Isolationsmaterial ausgebildet ist, und wobei in den Planetenträger (8) fest ein Metallring (10) mit Planetenachsen (9) für Planetenzahnräder (6) eingebettet ist.

Bohrhammer

Ein Bohrhammer (1) mit einer Werkzeugaufnahme (2) für ein Bohr- und/oder Meißelwerkzeug weist in einem Gehäuse (4) angeordnet einen Drehantrieb (3), ein Schlagwerk (5) und ein Getriebe (6) auf, die vom Gehäuse (4) vibrationsentkoppelt sind. Mittels eines an der Außenseite (9) des Gehäuses (4) angeordneten Betätigungselementes (11) wird ein Schaltelement (8) betätigt und die Betriebszustände des Bohrhammers (1), wie beispielsweise Meißeln, Hammerbohren und/oder Bohren, eingestellt. Das Betätigungselement (11) weist ein mit dem Schaltelement (8) in Eingriff stehendes Exzenterteil (12) und ein Griffteil (13) auf, wobei das Exzenterteil (12) und das Griffteil (13) voneinander entkoppelt sind und miteinander in Wirkverbindung bringbare Wirkflächen aufweisen.

Bohrfutter, das sich schnell montieren und demontieren lässt

Bohrfutter, das sich schnell aufsetzen und abnehmen lässt, umfassend einen Bohrfutterkörper, in dem sich ein Motorwellenloch in axialer Richtung vom rückwärtigen Abschnitt des Bohrfutterkörpers ins Innere des Bohrfutterkörpers erstreckt, wobei sich ein Halterloch senkrecht zum Motorwellenloch im rückwärtigen Abschnitt des Bohrfutterkörpers befindet, ein bewegliches Halteteil für eine Motorwelle in dem Halterloch vorhanden ist, und das Bohrfutter mit einer Vorrichtung versehen ist, die das Halteteil betätigt und es erleichtert, das Teil mit der Motorwelle zu verbinden und zu verriegeln und es aus dem verbundenen und verriegelten Zustand zu lösen, und das Bohrfutter dadurch gekennzeichnet ist, dass sich ein mit der Motorwelle verbundener Drehmomentübertragungsstift in dem Motorwellenloch befindet und sich in dessen axialer Richtung erstreckt.

ELEKTRISCHE MOTORREGELUNG

Elektrowerkzeug mit Spannvorrichtung zur Erfassung der Öffnungsweite

HANDGEFÜHRTE WERKZEUGMASCHINE.

Bremsschalter für einen Elektromotor

Schalter fuer elektrisch betriebene Handbohrmaschinen u. dgl.

Bohrhammer oder Bohrmaschine mit Elektromagnetkupplung und Verfahren zum Betreiben der Elektromagnetkupplung

Bohrhammer oder Bohrmaschine umfassend eine zwischen dem Motor und dem Getriebe angeordnete Elektromagnetkupplung, die als Überlastkupplung dient, Sensoren, die im Griff des Bohrhammers oder der Bohrmaschine vorgesehen sind, um die Drehbeschleunigung, die im Blockierungsfall des Bohrers während des Betriebs entsteht, zu erfassen und ein elektronisches System, welches die Signale der im Griff angeordneten Sensoren auswertet, kritische Zustände prognostiziert und die Elektromagnetkupplung bei kritischen Zuständen ausschaltet, dadurch gekennzeichnet, dass ein Drehzahlsensor zur Erfassung der Motordrehzahl und ein auf der Getriebeeingangsseite zur Erfassung der Getriebeeingangsdrehzahl angeordneter weiterer Drehzahlsensor mit hoher Auflösung vorgesehen sind, welche mit einer im Bohrhammer oder in der Bohrmaschine angeordneten Auswerteelektronik verbunden sind, die die Sensorsignale auswertet, um den Schaltzustand der Elektromagnetkupplung derart zu steuern, dass eine Verletzung des Bedieners ...

Bremsschaltung für einen Elektromotor

Bremsschaltung für einen Elektromotor, insbesondere zum Antrieb von Elektrohandwerkzeugen, wie Bohrmaschinen, Winkelschleifer, Heckenscheren u. dgl., mit einem aus wenigstens zwei Umschaltern S1, S2 bestehenden Bremsschalter, wobei im Motorbetrieb wenigstens eine Feldwicklung (1) des Elektromotors über die beiden Umschalter S1, S2 in Reihe mit der Ankerwicklung (5) an der Versorgungsspannung (2) liegt, so daß ein Motorkreis gebildet ist, im Bremsbetrieb die Feldwicklung (1) mit der Ankerwicklung (5) über die beiden Umschalter S1, S2, einen geschlossenen Bremsstromkreis bildet, indem ein Umschalter S1 mittels eines Schaltkontakts mit dem netznahen Anschluß der Feldwicklung (1) verbunden ist und zwischen einem an den Netzpol geschalteten Kontakt a1 und einem mit einem ersten Anschluß an den Bremsstromkreis verbundenen Kontakt b1 schaltet sowie der zweite Umschalter S2 mittels eines Schaltkontakts mit dem netzfernen Anschluß der Feldwicklung (1) verbunden ist und zwischen einem mit dem Anschluß ...

Bohrhammer

HANDBOHRMASCHINE

Lockable Electrical Control Device

... 1,155,156. Motor controllers. CUTLERHAMMER Inc. 10 July, 1967 [8 July, 1966], No. 31646/67. Heading H1S. An electrical control device which may be as disclosed in Specification 1,098,280, comprises a control member 14 which is continuously adjustable, and a locking member 10b which is movable into a position of frictional engagement with a surface 14f of the control member and in which position it locks the control member in any position. The locking member 10b is an eccentric cam made of e.g. cast zinc, the rough surface of which is brought into engagement with surface 14f of the control member, which may be of nylon or other smooth plastics material, by rotation via a handle and crank 10a. The control member 14 is spring biased, and may be the operating control of a power drill.

IMPROVEMENTS IN AND RELATING TO POWER TOOLS

TRIGGER ACTUATED SWITCH DEVICE WITH ADJUSTMENT MEANS FOR ESTABLISING A PLURALITY OF PREDETERMINED TRIGGER POSITIONS

... 1,212,163. Resistance motor controllers. SKIL CORP. 28 Jan., 1969 [29 May, 1968], No. 4618/69. Addition to 1,120,010. Heading H1S. A trigger-type controller for varying the speed of the motor of e.g. a portable electric tool is provided with a movable stop member which in one position allows maximum movement of the trigger and hence maximum motor speed and in another position abuts a fixed stop surface on movement of the trigger through a predetermined distance thus securing a predetermined speed lower than the maximum. In one embodiment a member 22 (Fig. 2) rotatable in trigger 16 by head 24a has a half round portion 26 which in one position (shown in Fig. 4) contacts casing surface 19 on movement of the trigger to limit such movement and in another position (Fig. 2) allows full movement of the trigger. In another embodiment a rotatable disc 54 (Fig. 7) has portions cut therefrom to form three different stop surfaces 57, 58, 59, the position of the disc governing which of these surfaces ...

An Improved Portable Drill.

... 24,733. Pealing, J. A. L. Nov. 17. Drilling.-In a portable electric drill for ships' plates, boilers, or the like, of the kind in which the holding-on magnets and the motor magnets have the same coils, the motor is mounted directly above one of the holding-on magnets, the core of which is a continuation of one of the pole-pieces of the motor. The drill spindle is driven by worm gearing d, Fig. 2, from the shaft of the motor j, and is fed by means of a solenoid r, in the core n of which the drill holder p is adjustably carried. A flange s stops the descent of the core n, the depth of the hole drilled being determined by the position of the holder p. The field coils may be variously wound to suit different conditions, and may be partly in series with the armature. The solenoid r may similarly be wound in sections with a suitable controlling-arrangement. In one case all the sections are in parallel and are brought into action successively by means of the switch shown in Fig. 4 having a sliding ...

Motor control device for electric power tool

The motor control device 11, 12, 13, 14 includes a target value setting unit 13 for rotational speed of a motor M1 installed in an electric power tool (1, Figure 1), a measuring unit 12, 141, S10 that measures rotational speed, a deviation calculating unit 141, S20, a proportional control unit 11, 141, S30, S70 for the rotational speed, an integral control unit 11, 141, S40, S70 for the rotational speed and a disabling unit 141, S50, S60. The deviation calculating unit calculates a deviation between the target value set by the target value setting unit, and a measured value for rotational speed, measured by the measuring unit. The disabling unit disables the proportional control performed by the proportional control unit when the deviation, calculated by the deviation calculating unit, is a value within a predetermined range. The control device may be used in a method of control implemented in computer code and executed by a computing device.

MANUALLY OPERABLE SWITCHING DEVICES

HAND DRILL WITH ELECTRICAL DRIVING MOTOR

HAND-GUIDED, MOTOR OPERATION HANDICRAFT THINGS FOR BORING AND/OR IMPACT BORING

PORTABLE ELECTRICAL TOOLS.

POWER SUPPLY SYSTEM FOR ELECTRIC POWER TOOLS.

Holstered cordless power tool

Modular power tool

The present invention provides a connection arrangement for releasably connecting an electrical device and a power control module, the electrical device including an electrically powered functional component, the power control module including a device for controlling the supply of electrical power to the functional component when the electrical device and the power control module are connected. The connection arrangement includes a first connecting portion associated with one of the electrical device or the power control module and configured to interengage with a second connecting portion associated with the other one of the electrical device and the power control module. The first connecting portion including a first locking member and the second connecting portion including a second locking member, wherein when the first and second connection portions are engaged the first and second locking members are movable relative to each other between an unlocked position in which the first and ...

Drilling machine

... [Problem] To wire a perforating machine lead wire such that the load thereon is reduced without externally exposing a curved section. [Solution] A lead wire (50) connects a drive control circuit (12) inside of the main body (20) of this perforating machine (10) and a motor (36) inside of a perforating drive unit (30), and this lead wire is made to extend from the motor, pass through a lead wire insertion path (60) between the main body and the perforating drive unit and to continue downwards in a lead wire housing unit (70) inside of the main body; then, in the lead wire housing unit, the lead wire is then made to curve to face upwards, and the upward-facing section (52) is held in a holding unit (84) and to reach the drive control circuit. By this means, when the perforating drive unit (30) is displaced upwards relative to the main body (20), the curved section (54) comprising the part of the lead wire (50) fed out from the lead wire housing unit (70) upwards into the lead wire insertion ...

Battery-type drilling machine

A battery-type drilling machine (10) comprising: a drill drive unit (14) having a motor for rotary driving a drill bit; a drilling machine main body (12) having a battery attachment section (28); a battery locking member (30) movable between a retracted position and an advanced position, relative to a battery (16), and which ensures, when in the advanced position, that the battery does not detach from the battery attachment section; a position detection means (limit switch) (32) that detects the position of the battery locking member; and a state display means (33) for displaying the drilling machine state. If the position detection means (limit switch) (32) detects that the battery locking member (30) is not in the advanced position when the battery (16) is attached to the battery attachment section (28), the state display means (33) displays a warning indicating same.

ELECTRICAL TOOL

DRILL BRAKING SYSTEM

DRILL BRAKING SYSTEM An electric drill safety device is provided for dynamically braking a drill when there is contact between the drill bit and an electrically conductive material. A first direction voltage is applied to the motor winding to turn the motor forward. When contact is detected between the drill bit and an electrically conductive material, voltage to the windings is discontinued momentarily and thereafter a reverse direction voltage is provided to the motor windings for a predetermined time.

Elektrisch angetriebenes Handgerät mit Metallgehäuse.

Machine-outil.

Machine destinée au perçage de matière dure, notamment de métaux durs et de pierres industrielles, pour filière et pour l'horlogerie

Handgerät mit Motorantrieb und auswechselbaren Werkzeugen

Elektromotorisch angetriebene Handwerkzeugmaschine

Elektromotorisch angetriebene Handwerkzeugmaschine

Apparat zum Bohren und Fräsen.

Machine destinée au perçage des matières dures

Elettromandrino ad altissima velocità per la foratura di pietre e metalli duri

Elektromotorisch angetriebene Handwerkzeugmaschine

Outil entra^né par moteur

Durch eine Taste betätigbare Schaltervorrichtung für ein Handwerkzeug

Tragbares Arbeitsgerät wie ein Bohrgerät, mit einem umkehrbaren Elektromotor

ELEKTROWERKZEUG MIT EINEM ZWEIGANG-GETRIEBE.

Elektrowerkzeug

Machine destinée au perçage de matières dures

Tragbare Werkzeugmaschine

Elektromotorisch angetriebenes Handgerät

Elektrowerkzeug

Elektrowerkzeug mit Wechselgetriebe

Outil entraîné par moteur

SWITCHING CONFIGURATION FOR THE SPEED REGULATION OF AN ELECTRICAL UNIVERSAL MOTOR.

HANDOPERATE-CASH INSTALLATION SWITCHING MECHANISM, IN PARTICULAR FOR HAND DRILLS.

ELECTRICAL HANDICRAFT THINGS.

METHOD AND MEANS FOR SUPPLYING ELECTRIC POWER TO A PORTABLE TOOL.

HAND DRILL WITH ELECTRICAL DRIVING MOTOR.

MOTOR OPERATION HANDICRAFT THINGS FOR BORING AND/OR IMPACT BORING.

Switch-actuating device on an electric tool

ELECTRICAL HANDICRAFT THINGS WITH A SWITCHING DEVICE FOR ON THE RIGHT OF AND LEFT HAND MOTION.

Electric power tool machine with a drive spindle linked to a tool holder.

Operating module for an electric power tool machine.

Plug switch of an electrical hand tool.

Hand drilling machine for forming hole in e.g. shelf support, has pin co-operating with fixation unit of tool holder, and axle including connection unit connected with rod of holder to transmit rotary movement of axle to brackets of tools

The machine has a motor block (1) mounted on foot (5) connected to a plate-shaped base (10) positioned against a piece to be drilled. A helical spring (8) allows translation of a part of the block between two limited positions with respect to the base and in a direction parallel to that of a driving axle (3). The motor block has a fixation pin (31) co-operating with a fixation unit of a tool holder (30). The axle has a connection unit (4) connected with a driving rod (34) of the tool holder for transmitting rotary movement of the axle to mounting brackets of tools e.g. drill bit.

Hand-guided drilling and/or percussion drill.

Hand drill and their tool holder.

ПЕРЕНОСНИЙ ВЕРСТАТ, НАПРИКЛАД, СВЕРДЛИЛЬНИЙ

Переносний верстат, наприклад, свердлильний містить механізм обертання інструмента, виконаний у вигляді електродвигуна, на вертикальному вихідному валу якого змонтований патрон для змінного інструмента, механізм подачі інструмента вниз виконаний у вигляді повзуна, що несе вищевказаний електродвигун і встановлений з можливістю вертикального переміщення вниз по напрямних нерухомої каретки, а механізм повернення інструмента у вихідне положення нагору виконаний у вигляді пружинного приводу повзуна щодо нерухомих напрямних каретки.

Electric power tool

An electric power tool includes a cylindrical reducer case accommodating the speed reduction mechanism. The speed reduction mechanism includes a planetary gear train and a movable member which is axially slidable to be engaged with or disengaged from the planetary gear train. The electric power tool includes the reducer case including a slide hole formed through a sidewall of the reducer case and axially extended and a rotary plate which is rotatable around a periphery of the reducer case about the axis, the rotary plate including an operation slot formed axially obliquely and overlapped with the slide hole; a supporting member radially outwardly protruded from the movable member and extended through the slide hole and the operation slot; and a biasing unit for applying a pressing force to the supporting member in a moving direction of the supporting member when the rotary plate is rotated to a position.

Power tool

In a power tool, a tubular gear case is disposed frontwardly of a motor and configured to accommodate a planetary gear speed reduction mechanism, a tubular motor bracket is attached to the motor and configured to connect the motor and the gear case together, and at least one pin is pierced through the motor bracket and the gear case to connect the motor bracket and the gear case together. The pin is engaged with a first-stage internal gear located at a first stage of the planetary gear speed reduction mechanism whereby the first-stage internal gear is restrained from rotating and located in position in an axial direction thereof.

Control element for a hand power tool

An electric hand power tool includes a cylindrical device section, a control element displaceable about the cylindrical device section, and an electric scanning device disposed at the device section and configured to determine a rotary position of the control element. The scanning device is configured to optically scan the rotary position.

Power Tool

The present invention provides a power tool that can be used at a position away from the external power source. The power tool includes a housing, a motor, an end tool, a battery pack, and an inverter. The housing has an upper side portion and a lower side portion. The motor is supported by the housing and driven by alternate-current power. The end tool is supported by the housing and rotatably driven by the motor. The battery pack outputs direct-current voltage. The inverter is disposed on the upper side portion and at a position higher than the motor and configured to convert the direct-current voltage outputted from the battery pack into alternate-current voltage and to supply the motor with alternate-current power. 1. A power tool comprising:a housing having an upper side portion and a lower side portion;a motor supported by the housing and driven by alternate-current power;an end tool supported by the housing and rotatably driven by the motor;a battery pack that outputs direct-current voltage; andan inverter disposed on the upper side portion and at a position higher than the motor and configured to convert the direct-current voltage outputted from the battery pack into alternate-current voltage and to supply the motor with alternate-current power.2. The power tool according to claim 1 , wherein the housing has a front wall section and a rear wall section;wherein the inverter is located between the motor and the end tool in a direction from the rear wall section to the front wall section.3. The power tool according to claim 1 , wherein the inverter is located directly above the end tool.4. The power tool according to claim 1 , wherein the housing has a front wall section and a rear wall section in a traveling direction of the power tool;wherein the inverter is disposed forward of the rear wall section in the travelling direction.5. The power tool according to claim 1 , wherein the housing has a front part and a rear part in a traveling direction of the power ...

CORDLESS MAGNETIC DRILL

A cordless magnetic drill is disclosed. The drill comprises a control unit, a motor which is connected with the control unit, a gearbox which is connected with the motor, a power source which is connected with the control unit, and a magnetic base. The gear box is used for regulating the output rotation speed of the motor. The power source is used for supplying power to the motor. The magnetic base can be an electromagnetic chuck, an electro-permanent magnetic chuck, a permanent magnetic chuck or the combination of a permanent magnetic chuck and an electromagnetic chuck. The control unit is used for controlling the operations of the motor and the power source and establishing or cutting off the connection between the power source and the motor. The cordless magnetic drill of the present invention is convenient and very safe to use. 128.-. (canceled)29. A cordless magnetic drill , comprising:a control unit;a motor connected with said control unit;a gearbox connected with said motor for regulating the output speed of said motor;a first power source connected with said control unit for supplying power to said motor; anda magnetic base connected with said control unit, wherein:said control unit is configured and arranged to control the operation of said motor, said first power source and said magnetic base, and to establish or cut off the connection between said first power source and said motor.30. The cordless magnetic drill according to claim 29 , wherein:said magnetic base is an electromagnetic chuck; andsaid first power source is operable to supply power to said electromagnetic chuck.31. The cordless magnetic drill according to claim 30 , wherein:said control unit is operable to cut off the connection between said first power source and said motor, and/or warn when said first power source is nearly exhausted.32. The cordless magnetic drill according to claim 31 , wherein:said control unit is further operable to reduce the working voltage of said electromagnetic ...

HANDLE PORTION OF HAND-HELD ELECTRIC TOOL

Three battery cells can be arranged such that one battery cell is situated on the front side of a handle portion and that the remaining two battery cells are situated on the rear side thereof while being arranged laterally side by side. Also, a handle portion can be generally of a triangular cross-sectional configuration whose apex portion is situated on the front side of the handle portion and whose base portion is situated on the rear side thereof; and the handle portion is grasped by bringing fingertips into contact with the apex portion () on the front side. 15-. (canceled)6. A hand-held type electric tool comprising:a tool main body extending in a forward and rearward direction;a handle housing extending downward from the tool main body;a chuck disposed on a front side of the tool main body;a switch lever disposed on the handle housing; anda rechargeable type battery pack; wherein:the handle housing is configured to receive at least a part of the rechargeable type battery pack:the rechargeable type battery pack includes three battery cells and a battery case;the three battery cells include one battery cell and two battery cells arranged on a rear side of the one battery cell; andthe battery case includes a cover portion and a fixation claw portion, wherein the fixation claw portion can be used to attach the rechargeable type battery pack to the handle.7. The hand-held type electric tool according to claim 6 , wherein the fixation claw portion includes a right fixation claw disposed on a right side of the rechargeable type battery pack claim 6 , and a left fixation claw disposed on a left side of the rechargeable type battery pack.8. The hand-held type electric tool according to claim 7 , further comprising an electric motor disposed within the tool main body and located on an upper side of the rechargeable type battery pack.9. The hand-held type electric tool according to claim 8 , wherein the handle housing includes an apex portion situated on the front side ...

Whizer a rechargable rotating power tool and padded attachment with multi purpose covers

A portable, hand held, electric, re-chargeable, rotating power tool, with three different size affixable heads and assorted covers used to complete tasks. 1. A portable, rechargeable, hand held electric power rotating device, with attachable convex padded cleaning heads and covers, for scrubbing, sanding, polishing, waxing and cleaning tasks. The amount of time, physical exertion and depth spent on cleaning all types of surfaces. Other tools, lack convex heads, cleaning covers and different sizes for different jobs.By attaching the “Whizer Cleaner” power head attachment to the tool or any electrical rotating device such as electrical or battery operated drill, cleaning time, physical exertion, and depth of cleaning are better managed. The “Whizer Cleaner” has three, a small, medium and large, convex head attachment, with covers that are better suited for a variety of power utilized tasks. Others, do not come in different sizes, nor are they convex in design, and don't have the different cleaning covers.A circular, convex rubber pad with an attached external foam rubber type softer pad and a centered metal attached covered axle for affixing to the tool or to a common drill or rotational motor. There are three different attachable head sizes, small, medium and large, with assorted covers for the tasks at hand.(1) Attach “Whizer Cleaner” to (2) the electrical rotating tool or an electric drill. (3) Affix appropriate cover for task.Attach the “Whizer Cleaner” to the portable, re-chargeable, electric rotating tool or any drill, and place the appropriate cover on the tool head for the job or task at hand. Activate the power source.Affix a centered axle, to a larger convex, harder rubber inner piece, that has a softer foam type rubber outer attached piece, that accommodates the appropriate cover to complete the task at hand. Attach the head and cover to the portable, electric re-chargeable, rotating power tool for completion.Attach the selected size head and cover to the “ ...

POWER TOOL HAVING ROTARY INPUT CONTROL

An improved method is provided for operating a power tool. The method includes: monitoring rotational motion of the power tool about an axis using a rotational motion sensor disposed in the power tool; determining a direction of the rotational motion about the axis; and driving the output member in a direction defined by the detected rotational motion of the tool, where the output member is driven by a motor residing in the power tool. Thus, the output member is drive clockwise when the rotational motion of the tool is clockwise about the axis and the output member is drive counter-clockwise when the rotational motion of the tool is counter-clockwise about the axis. 1. A method for operating a power tool having a housing and an output member coupled to the housing , the method comprising:detecting a user input to activate the power tool;activating a control circuit disposed in the housing upon receipt of the user input; andupon or after activating the power tool, (a) monitoring rotational motion of the housing about a housing axis using a rotational motion sensor disposed in the housing; (b) using the control circuit, determining a direction of the rotational motion of the housing about the housing axis; and (c) using the control circuit, driving a motor disposed in the housing to cause the output member to rotate in a direction that corresponds to the detected rotational motion of the housing.2. The method of claim 1 , wherein determining a direction of the rotational motion comprises determining angular displacement of the tool about the axis in relation to a reference position claim 1 , and wherein driving the output member comprises driving the output member at a rotational speed that correlates to the angular displacement of the tool from the reference position.3. The method of claim 1 , wherein determining a direction of the rotational motion comprises determining angular displacement of the tool about the axis in relation to a reference position claim 1 , and ...

Trigger structure for switching one shoot mode or repeat shoot mode

A trigger structure for switching one shoot mode or repeat shoot mode includes a trigger member and a switching member. The trigger member has a recess defined laterally. Two protrusions are defined in the inner wall of the recess. The switching member has an adjusting member and a trigger plate. Under this arrangement, when the adjusting member is pressed into the recess, the trigger plate is at one position to allow the trigger to shoot in a repeat shoot mode; when the adjusting member is turned to abut against the two protrusions, the trigger plate is at another position to allow the trigger to shoot in a one shoot mode.

POWER TOOL CLAMPING DEVICE

A clamping device of a reciprocating power tool includes at least one clamping unit, which has at least one working-tool receiving element and has a variation element, disposed on the working-tool receiving element, for varying at least one parameter of the working-tool receiving element. The variation element is movably mounted on the working-tool receiving element and/or has at least two mutually differing working-tool receiving contours. 1. A clamping device of a reciprocating power tool comprising: at least one working-tool receiving element; and', 'the variation element is movably mounted on the at least one working-tool receiving element and/or has at least two mutually differing working-tool receiving contours.', 'a variation element disposed on the at least one working-tool receiving element and configured to vary at least one parameter of the at least one working-tool receiving element, wherein], 'at least one clamping unit including2. The power-tool clamping device according to claim 1 , wherein the variation element is movably mounted in a working-tool receiving recess of the at least one working-tool receiving element.3. The power-tool clamping device according to claim 1 , wherein the at least one clamping unit has at least one movement delimiting element configured to delimit a movement distance of the variation element along a direction oriented opposite to a coupling direction of at least one working tool claim 1 , relative to the at least one working-tool receiving element.4. The power-tool clamping device according to claim 1 , wherein the at least one clamping unit has at least one energy storage element configured to apply a force to the variation element in at least one direction oriented opposite to a coupling direction of at least one working tool.5. The power-tool clamping device according to claim 4 , wherein the at least one energy storage element is a spring element.6. The power-tool clamping device according to claim 1 , further ...

TRIGGER PROFILE FOR A POWER TOOL

An improved method is provided for operating a power tool. The method includes receiving an input control variable from an input unit; determining a second derivative of the input control variable; selecting one of a plurality of control profiles based on the control input variable and the second derivative, each control profile correlating the control input variable of the input unit to a rotational speed at which to drive the output shaft; and driving the output shaft at a rotational speed in accordance with the selected control profile. 1. A method for operating a power tool having an output shaft , comprising:receiving an input control variable from an input unit;determining a second derivative of the input control variable;selecting one of a plurality of control profiles based on the control input variable and the second derivative, each control profile correlating the control input variable of the input unit to a rotational speed at which to drive the output shaft; anddriving the output shaft at a rotational speed in accordance with the selected control profile.2. The method of further comprising:selecting a first control profile from the plurality of control profiles when the second derivative of the control input variable is above a threshold and selecting a second control profile from the plurality of control profiles when the second derivative of the control input variable is below the threshold, where the first control profile differs from the second control profile.3. The method of further comprising:selecting a first control profile from the plurality of control profiles based on the control input variable and a first derivative of the input control variable;monitoring the second derivative of the control input variable; andselecting a second control profile different from the first control profile when the second derivative is above a threshold.4. The method of claim 3 , wherein the first control profile designates maximum rotational speed of the ...

Power Tool

A power tool including: a housing configured to support an end bit, a motor accommodated in the housing, a transmission mechanism, a trigger switch, a load judging unit, and a motor stop control unit. The transmission mechanism transmits a rotational force of the motor to the end bit. The trigger switch is configured to switch between instructions to the motor. The instructions include a rotation instruction for providing a rotation state of the motor and a stopping instruction for providing a stopping state of the motor. The load judging unit judges whether or not a load is applied to the end bit during rotation of the motor. The motor stop control unit stops the rotation of the motor irrespective of the instructions of the trigger switch when the load judging unit judges that no load is applied to the end bit and a period of a non-load state exceeds a predetermined time period. 1. A power tool comprising:a housing configured to support an end bit;a motor accommodated in the housing;a transmission mechanism transmitting a rotational force of the motor to the end bit;a trigger switch configured to switch a state of the motor; anda load judging unit that judges whether or not a load is applied to the end bit during rotation of the motor,characterized in that:a motor stop control unit that stops the rotation of the motor irrespective of the state of the trigger switch when the load judging unit judges that no load is applied to the end bit and a period of a non-load state exceeds a predetermined time period.2. The power tool according to claim 1 , wherein the load judging unit comprises a detecting unit that detects the rotation state of the motor claim 1 , a judgment of whether or not a load is applied to the end bit being based on detection by the detecting unit.3. The power tool according to claim 2 , wherein the detecting unit comprises a current detecting unit that detects an electric current flowing through the motor claim 2 , a judgment of whether or not a load ...

SWITCH MECHANISM FOR A PNEUMATIC TOOL

A switch mechanism for a pneumatic tool includes a rotating body and a lever. The rotating body has a surface, wherein a combining portion is disposed on the surface. The lever is slidably disposed in the combining portion, wherein the lever includes a first operating end and a second operating end, and either one of the first operating end and the second operating end protruding from the pneumatic tool or both the first operating end and the second operating end protruding from the pneumatic tool are controlled by pushing the lever along an extending direction of the combining portion. 1. A switch mechanism for a pneumatic tool , comprising:a rotating body having a surface, wherein a combining portion is disposed on the surface; anda lever slidably disposed in the combining portion, wherein the lever comprises a first operating end and a second operating end, and either one of the first operating end and the second operating end protruding from the pneumatic tool or both the first operating end and the second operating end protruding from the pneumatic tool are controlled by pushing the lever along an extending direction of the combining portion.2. The switch mechanism for a pneumatic tool of claim 1 , wherein:a positioning axis is disposed at a center of the rotating body; anda center hole is disposed at a center of the lever, and the positioning axis fits in the center hole for avoiding the lever detaching from the combining portion.3. The switch mechanism for a pneumatic tool of claim 1 , wherein the combining portion is formed as a groove and comprises:two edges defining a depth and a width of the groove for accommodating the lever; andtwo openings located respectively at two ends of the groove for allowing the first operating end and the second operating end to protrude from the groove.4. The switch mechanism for a pneumatic tool of claim 3 , wherein:a receiving groove is disposed at one of the two edges of the combining portion and a positioning member is ...

Handheld Power Tool Having a Bearing Device

A handheld power tool is disclosed. The handheld power tool has a linear motor with a rotor. The tool also has a bearing device which has a bearing position for bearing support of the rotor. The bearing position has at least one guide strip which engages in a recess provided in the rotor. 1. A handheld power tool , comprising:a linear motor with a rotor, wherein the rotor includes a recess; anda bearing device, wherein the bearing device has a bearing position, wherein the rotor is supported in the bearing position, and wherein the bearing position has a guide strip that is disposed in the recess of the rotor.2. The handheld power tool according to claim 1 , wherein the recess is a groove.3. The handheld power tool according to claim 1 , wherein the bearing position has at least three guide strips and wherein two of the at least three guide strips are aligned at an angle of greater than 25° to one another.4. The handheld power tool according to claim 1 , wherein the bearing position has four guide strips and wherein the four guide strips are arranged in pairs on opposite sides of the bearing device.5. The handheld power tool according to claim 4 , wherein two guide strips of one pair of the pairs are aligned at an angle of approximately 90° to one another.6. The handheld power tool according to claim 4 , wherein the rotor is supported in the bearing position between the opposite sides of the bearing device.7. The handheld power tool according to claim 4 , wherein a first guide strip of a first pair of the pairs and a second guide strip of a second pair of the pairs are arranged opposite one another on a rotor diagonal.8. The handheld power tool according to claim 1 , wherein the rotor has a spade shape.9. The handheld power tool according to claim 1 , wherein the rotor is supported in the bearing position along an axis of movement of a tool of the handheld power tool.10. A handheld power tool claim 1 , comprising:a linear motor with a rotor, wherein the rotor ...

ANTI-VIBRATION HANDLE COMPRISING A TENSILE-LOADED SWITCH CONNECTION

An electric machine tool includes a first actuating device and a second actuating device. The second actuating device is arranged at a distance from the first actuating device. The first actuating device is mechanically connected to the second actuating device by a switching connector which is configured to be loaded in tension only. 1. An electric machine tool comprising:a first actuating device,;a second actuating device arranged at a distance from the first actuating device; anda switching connector configured to mechanically connect the first actuating device to the second actuating device, the switching connector configured to be subjected only to tensile load.2. The electric machine tool as claimed in claim 1 , wherein:the switching connector has a first end and a second end,the first end is fixed to the first actuating device, andthe second end is fixed to the second actuating device.3. The electric machine tool as claimed in claim 1 , wherein:the switching connector is configured such that the first actuating device is adjustable by adjustment of the second actuating device and the second actuating device is adjustable by adjustment of the first actuating device when the switching connector is subjected only to tensile load.4. The electric machine tool as claimed in claim 1 , wherein the switching connector has an invariable length.5. The electric machine tool as claimed in claim 1 , wherein the switching connector is one of a band claim 1 , a wire claim 1 , and a stamped bent part.6. The electric machine tool as claimed in claim 1 , further comprising:a tool housing; and 'the first actuating device is disposed in the tool housing, and', 'a handle casing disposed on the tool housing, whereinthe second actuating device is disposed in the handle casing.7. The electric machine tool as claimed in claim 6 , wherein:the handle casing is an anti-vibration handle casing,the anti-vibration handle casing is supported on the tool housing by an elastic connecting ...

Fastening Tool

A power tool for operating on a workpiece, the power tool having a housing and a motor disposed within the housing. A controller is connected to the motor and receives user inputs for turning on the motor and a power tool battery pack is connected to the controller and the motor. At least one light is connected to the controller for illuminating the workpiece. The controller can turn on the light in a predetermined pattern to alert the user to a tool condition, such as the charge level being below a predetermined level. 1. A power tool for operating on a workpiece , the power tool comprising:a housing;a driver disposed within the housing, the driver being movable within an axis;a motor assembly disposed within the housing, the motor assembly including a motor and an output member that is driven by the motor and employed to transmit power to the drier to thereby cause the driver to translate along the axis;a controller connected to the motor and receiving user inputs for turning on the motor;a power tool battery pack connected to the controller and motor;at least one light connected to the controller for illuminating the workpiece; wherein the controller can turn on the at least one light in a predetermined pattern to alert the user to a tool condition2. The power tool of claim 1 , wherein the at least one light comprises an LED.3. The power tool of claim 2 , wherein the at least one light comprises a white LED.4. The power tool of claim 1 , wherein the tool condition is that a charge level of the power tool battery pack is below a predetermined level.5. The power tool of claim 4 , wherein the predetermined pattern comprises turning on and off the at least one light.6. The power tool of claim 5 , wherein the predetermined pattern comprises turning on and off the at least one light a predetermined number of times. This application claims priority to U.S. Provisional Patent Application Ser. No. 60/559,349 filed Apr. 2, 2004 entitled “Fastening Tool” and U.S. patent ...

Stud Finder and Laser Level Assembly for a Power Drill

A power tool includes a housing that encloses a motor, and a collet configured to be driven to rotate by the motor. The collet defines a drill axis about which the collet is configured to rotate. The power tool also includes a sensor assembly having a front wall with a wall contact surface. The front wall includes a first wall portion and a second wall portion that define a gap therebetween. An object sensor is secured to the front wall proximate the gap. A support member includes a first end portion attached to the front wall and a second end portion attached to the housing. The support member extends from the housing to position the front wall forwardly of the collet such that the drill axis intersects the gap. 1. A power tool comprising;a housing that encloses a motor;a collet configured to be driven to rotate by the motor, the collet defining a drill axis about which the collet is configured to rotate; a front wall having a wall contact surface, the front wall including a first wall portion and a second wall portion that define a gap therebetween;', 'an object sensor secured to the front wall proximate the gap; and', 'a support member including a first end portion attached to the front wall and a second end portion attached to the housing, the support member extending from the housing to position the front wall forwardly of the collet such that the drill axis intersects the gap., 'a sensor assembly including'}2. The power tool of claim 1 , wherein the object sensor comprises at least one capacitor plate.3. The power tool of claim 2 , wherein the capacitor plate includes a first capacitor plate associated with the first wall portion and a second capacitor plate associated with the second wall portion; andwherein the drill axis extends between the first capacitor plate and the second capacitor plate.4. The power tool of claim 1 , further comprising:a laser level attached to the front wall.5. The power tool of claim 4 , wherein the laser level includes a first ...

PORTABLE ELECTRIC POWER TOOL WITH RADIO COMMUNICATION DEVICE

A portable electric power tool including a housing () with a connection terminal () for connection of a voltage supply source (), an electric motor (), an onboard operation control unit () and a radio communication device() for communicating tool operation and operation result data between the operation control () unit and a stationary data processing unit (), and a back-up voltage accumulating device () arranged to keep up continuously a voltage supply to the control unit () and a radio communication device () at disconnection of the voltage supply source (). 1. A portable electric power tool , comprising:a housing with a connection terminal for connection of a voltage supply source;an electric motor;an onboard operation control unit;a radio communication device for communicating operation data and operation result data between the power tool and a stationary data processing unit; andback-up voltage accumulating device which is provided onboard the power tool to keep up continuously a voltage supply to the operation control unit and the radio communication device at occurring disconnections of the voltage supply source, so as to reduce delay for reassuming an operation condition of the tool after re-connection of the voltage supply source.2. The power tool according to claim 1 , wherein said back-up voltage accumulating device is arranged to supply voltage only while the voltage supply source is disconnected and to be recharged by the voltage supply source when the voltage supply source is re-connected.3. The power tool according to claim 1 , wherein said voltage supply source is a rechargeable battery unit claim 1 , and said connection terminal comprises a docking portion formed on the housing and adapted to receive one of at least two exchangeable battery units.4. The power tool according to claim 1 , wherein said back-up voltage accumulating device comprises an auxiliary battery unit detachably mounted on the housing.5. The power tool according to claim 1 , ...

POWER TOOL HAVING ROTARY INPUT CONTROL

A power tool includes a housing, an output member that rotates about a longitudinal axis, and a motor drivably connected to the output member. A rotational motion sensor is arranged in the housing and operable to detect a user input that includes a rotational motion of the housing in a desired rotational direction about the longitudinal axis of the output member. A controller is configured to receive a first input indicative of a user-desired rotational motion of the output member, and a second input, from the rotational motion sensor, indicative of an actual rotational motion of the power tool. The controller determines a user-desired rotational direction of the output member about the axis from the first input, determines an actual rotational direction of the housing about the axis from the second input, and causes the motor to drive the output member to simulate ratcheting movement in the user-desired rotational direction. 1. A method for operating a power tool having an output member , comprising:monitoring, by a controller disposed in the power tool, rotational motion of the power tool about an axis of the output member, using a rotational motion sensor disposed in the power tool;determining, by the controller, a user-desired rotational direction for the output member about the axis;determining, by the controller, an actual rotational direction of the power tool about the axis, using the monitored rotational motion of the power tool; anddriving, by a motor disposed in the power tool, the output member to simulate ratcheting movement of the output member in the user-desired rotational direction.2. The method of claim 1 , wherein driving the output member to simulate ratcheting movement comprises causing the output member to appear to remain stationary relative to a workpiece when the actual rotational direction is opposite to the user-desired rotational direction.3. The method of claim 2 , wherein causing the output member to appear to remain stationary relative ...

POWER TOOL

In a power tool including: a housing having a body portion which houses a motor and a handle portion extending downward from the body portion; an output portion driven at the front of the motor; and a trigger switch which controls power supply from a battery to the motor, the motor, the battery, and the trigger switch are arranged so as to overlap each other in an intersecting direction with respect to a front-and-rear direction. 1. A power tool comprising:a housing including a body portion which houses a motor, and a handle portion extending downward from the body portion;an output portion driven at front of the motor; anda trigger switch which controls power supply from a battery to the motor,the motor, the battery, and the trigger switch being arranged so as to overlap each other in an intersecting direction with respect to a front-and-rear direction.2. The power tool according to claim 1 ,wherein the battery and the trigger switch are arranged immediately below the motor inside the handle portion so as to be aligned in the front-and-rear direction.3. The power tool according to claim 1 ,wherein the housing is formed of a cylindrical body portion and a handle portion which are arranged so as to be coupled to each other in a substantially L shape in a side view.4. The power tool according to claim 1 ,wherein a length of the housing in the front-and-rear direction is equal to or shorter than 150 mm, and a length thereof in an up-and-down direction is equal to or shorter than 90 mm.5. The power tool according to claim 4 ,wherein the output portion includes: a speed-reduction mechanism which reduces a speed of rotation of the motor; and an output shaft which holds a tip tool and is rotated by the speed-reduction mechanism.6. The power tool according to claim 1 ,wherein the battery is a lithium ion secondary battery in which continuous discharge is allowed at a current value equal to or larger than 20 A and which has a diameter of 14 mm and a length of 50 mm.7. The ...

HANDHELD MACHINING DEVICE, PARTICULARLY FOR BORING

A handheld machining device (), particularly for boring, having a mechanism includes: a first mounting (), on which a tool holder (), and a motor () arranged to rotate the tool holder (), are mounted; a second mounting (); and an element () for translatably guiding, between the first mounting () and the second mounting (), a linear actuator () enabling the first mounting () to be spaced apart from the second mounting (), and the first mounting () to be brought toward the second mounting (). The motor () is electric, and the rotor () of the first motor () is directly mounted onto the tool holder () and is rigidly connected thereto. 11. Handheld machining device () , in particular for boring , having a mechanism comprising:{'b': '20', 'claim-text': [{'b': '2', 'a tool holder (),'}, {'b': 3', '4', '2, 'a motor (, ) arranged to rotate the tool holder (),'}], 'a first mounting () which carries{'b': 30', '40', '20', '30, 'a second mounting () and means for translatably guiding () between the first mounting () and said second mounting (),'}{'b': 5', '20', '30', '20', '30', '3', '4', '4', '3', '4', '2', '2, 'a linear actuator () enabling the first mounting () to be spaced apart from the said second mounting () and the first mounting () to be brought toward said second mounting () characterised in that the motor (, ) is an electric motor and the rotor () of the motor (, ) is directly mounted onto the tool holder (), rigidly integral with said tool holder ().'}24343. Device according to claim 1 , wherein the rotor () of the motor ( claim 1 , ) is exterior to the stator () of said motor.3343456789. Device according to claim 1 , wherein said motor ( claim 1 , ) is said first motor ( claim 1 , ) and wherein said linear actuator () comprises a ball screw system ( claim 1 , ) and a second motor ( claim 1 , ).4989656. Device according to claim 3 , wherein the second motor is an electric motor and wherein the rotor () of the second motor ( claim 3 , ) is directly mounted onto the ...

Method and tool for use with compressors

A tool for drilling, tapping, and back spot facing a hole in dynamoelectric machines includes a servo motor cutting device and a drill unit skid. The servo motor cutting device includes a cutting tool. The drill unit skid engages a hook fit slot in a case of the dynamoelectric machine and supports the servo motor cutting device. The drill unit skid includes hook fit slides configured to guide the drill unit skid along the hook fit slot and act as a stop in a radial direction. The tool includes a laser positioning device configured to detect the position of the cutting tool, and a micro switch configured to stop the servo motor cutting device when the micro switch activates. The servo motor cutting device rotates the cutting tool to create the hole, and a rotor of the dynamoelectric machine is left in place during drilling, tapping and back spot facing.

MULTIFUNCTIONAL PORTABLE ELECTRIC APPARATUSES

The invention relates to portable electric apparatuses of the kind including a tool driven by an electric motor, and a battery supplying the electric power necessary for the operation of said tool, characterised in that said portable electric apparatuses include a communication system enabling, on the one hand, the exchange of information relative to the type, the state and the operation of the tool and of the battery when connected together and, on the other hand, the adjusting if need be of the operation parameters of said tool based on the characteristics of said battery and/or the operation parameters of the battery based on the operation parameters of said tool. 1. An apparatus comprising:a tool driven by an electric motor, said tool having a plurality of operating parameters and an identification code, said tool being, a non-dedicated tool;a battery electrically connected to said tool so as to supply power to said tool said battery having a plurality of characteristics and a plurality of operating parameters;a control and command module having an electronic board having information relative to a type of said tool and a condition of said tool and a functioning of said tool;a control and management module affixed to said battery, said control and management module having information relative to a type of said battery and a condition of said battery and a functioning of said battery; anda communicating means for transmitting the information of said tool to said control and management module of said batters and for transmitting the information of said battery to said control and command module of said tool so as to adapt the plurality of operating parameters of said tool to the plurality of characteristics of said battery and so as to adapt the plurality of operating parameters of said battery to the plurality of operating parameters of said tool.2. The apparatus of claim 1 , said battery being a non-dedicated battery having an identification code.3. The apparatus ...

HUMAN-CARRIED WORK MACHINE POWERED BY HYBRID DRIVE SYSTEM

A human-carried work machine is provided with an engine and an electric motor as a prime mover for driving a tool. The engine includes an output shaft that is connected to the tool, and the electric motor is configured to apply torque to the output shaft of the engine. The electric motor is an outer rotor-type brushless motor and includes a rotor that is fixed to the output shaft of the engine and a stator core that is fixed to a crankcase of the engine. The rotor includes a peripheral wall that surrounds the stator core and a magnet is disposed on an inner surface of the peripheral wall. 1. A human-carried work machine comprising an engine and an electric motor as a prime mover for driving a tool.2. The human-carried work machine as in claim 1 , whereinthe engine comprises an output shaft that is connected to the tool, andthe electric motor is configured to apply torque to the output shaft of the engine.3. The human-carried work machine as in claim 2 , wherein the electric motor comprises a rotor that is fixed to the output shaft of the engine and is provided with at least one magnet.4. The human-carried work machine as in claim 3 , wherein the rotor is provided with a cooling fan that is configured to send cooling air to the engine.5. The human-carried work machine as in claim 3 , wherein the electric motor comprises a stator core that is fixed to a crankcase of the engine and faces the magnet of the rotor.6. The human-carried work machine as in claim 5 , wherein the rotor comprises a peripheral wall that surrounds the stator core and the magnet is disposed on an inner surface of the peripheral wall.7. The human-carried work machine as in claim 1 , wherein the electric motor is configured to further function as an electric generator.8. The human-carried work machine as in claim 7 , further comprising a battery that is configured to supply electric power to the electric motor claim 7 , wherein electric power generated by the electric motor is stored in the battery. ...

CORDLESS POWER TOOL WITH USB CHARGING

A power tool an electric motor retained within a housing. A rechargeable battery is retained within the housing that is operatively connected to the electric motor. A power input port is supported within the housing that is operatively connected to the rechargeable battery. The power input port is configured to supply power to the rechargeable battery from an external power source. The rechargeable battery comprises a lithium based battery, and the power input port comprises a universal serial bus (USB) port configured to receive a USB connector. 1. A power tool comprising:a housing;an electric motor retained within the housing, the electric motor including an output shaft; anda power input port supported within the housing, the power input port being operatively connected to the electric motor and configured to supply power to the electric motor from an external power source,wherein the power input port comprises a universal serial bus (USB) port configured to receive a USB connector.2. The power tool of claim 1 , wherein the power input port comprise a Micro-USB port.3. The power tool of claim 1 , further comprising:a rechargeable battery retained within the housing, the rechargeable battery being operatively connected to the electric motor and configured to supply power to the electric motor, the rechargeable battery being operatively connected to the power input port to receive power therefrom for recharging the rechargeable battery.4. The power tool of claim 3 , wherein the rechargeable battery comprises a lithium-ion cell battery.5. The power tool of claim 1 , further comprising:a direction control switch configured to control a direction of rotation of the electric motor.6. The power tool of claim 3 , further comprising:a circuit board secured within the housing, the circuit board including a charging circuit implemented thereon that is electrically coupled to the battery, the power input port being electrically coupled to the charging circuit.7. The power ...

GROUT REMOVAL TOOL

A grout removal tool incorporates a case () carrying a reciprocating motor () and having an external contoured finger grip (). A drive shaft () extends from the motor to engage a chuck drive rod (). A cooling piston () is concentrically carried by the drive shaft for reciprocating motion. A chuck () is attached to the chuck drive rod for removably constraining a carbide tipped bit (). 1. A grout removal tool comprises:{'b': 12', '20', '14, 'a case () carrying a reciprocating motor () and having an external contoured finger grip ();'}{'b': 28', '30, 'a drive shaft () extending from the motor to engage a chuck drive rod ();'}{'b': '40', 'a cooling piston () concentrically carried by the drive shaft for reciprocating motion; and,'}{'b': 18', '16, 'a chuck () attached to the chuck drive rod for removably constraining a carbide tipped bit ().'}22224. The grout removal tool as defined in further comprising a power switch () mounted in the case and interconnected between a power cord () and the motor for controlling electrical power to the motor.326. The grout removal tool as defined in further comprising a potentiometer () connected between the power switch and motor for varying travel of the reciprocating motor.4272958b. The grout removal tool as defined in wherein the switch is mounted on a rear flat () on the case and the potentiometer has an adjustment dial mounted () on a side () of the case.54650. The grout removal tool as defined in wherein the case incorporates a plurality of apertures ( claim 1 , ) for airflow.6465052. The grout removal tool as defined in wherein the plurality of apertures include a series of vent holes () on each side of the case and multiple vent slots () on a bottom () of the case.742. The grout removal tool as defined in wherein the cooling piston incorporates a center boss () the drive shaft and chuck drive rod for interconnection.8323436. The grout removal tool as defined in claim where further comprising a spring () concentrically received ...

POWER TOOL

A power tool includes a small-size lithium ion secondary battery used as its driving source, and at least one lithium ion secondary battery having a diameter of 14 mm is disposed inside a grip portion of a main body of the power tool. The lithium ion secondary battery has a sufficient output characteristic required for driving the power tool. When a switch installed in the main body of the power tool is operated by a user, electric power is supplied to a driving unit including a motor so that the power tool is activated. The lithium ion secondary battery is of a pack type, or is directly housed inside the grip portion, and the grip portion, which houses three of the lithium ion secondary batteries, is designed to have a diameter of 51.8 mm or less. 1. A power tool using a lithium ion secondary battery as a driving source ,wherein the lithium ion secondary battery has an actual diameter of 14 mm or less;when a switch installed in a main body of the power tool is operated, the lithium ion secondary battery is connected to a driving unit including a motor so that the power tool is activated;the lithium ion secondary battery and a protective circuit for protecting the lithium ion secondary battery are installed inside an independent battery pack that is capable of being detachably attached to the power tool;the battery pack is inserted into an inside of a grip portion of the power tool main body;three of the lithium ion secondary batteries are installed inside the battery pack side by side in the same direction as an axial direction of the grip portion; andthe grip portion has a maximum diameter of 51.8 mm or less.2. The power tool according to claim 1 ,wherein the protective circuit is disposed lateral to the lithium ion secondary batteries in parallel with the axial direction of the grip portion.3. The power tool according to claim 1 ,wherein the protective circuit is disposed above or below the lithium ion secondary batteries; andthe grip portion has a maximum ...

PNEUMATIC SCREWER

A pneumatic screwing device includes a spindle for rotatably supporting a screwing tool, a pneumatically drivable rotor for rotating the spindle and a stator for housing the rotor. A gap is defined between the rotor and the stator to receive pressurised air and a supply conduit in the stator delivers pressurised air to the gap. Discharge conduits in the stator discharge pressurised air from the gap. In order to make the pneumatic screwing device more efficient than known devices, there is provided an expansion chamber in communication with the discharge conduits for expanding the pressurised air, the expansion chamber being positioned on an opposite side of the spindle with respect to the rotor and being in communication with the atmosphere. A switch for switching a screwing direction of the pneumatic screwing device includes seats arranged for engaging with locking elements that are slidably associated with the screwing device for maintaining the switch in an operating position corresponding to a desired screwing direction of the device. In order to make the switch more reliable and easier to handle, three seats are provided that are arranged in sequence, the locking elements engaging in the operating position with two of the three seats. 120-. (canceled)21. A pneumatic screwing device , comprisinga main body;a spindle for rotatably supporting a screwing tool, said spindle projecting from a first end portion of said main body;a rotor that is pneumatically rotatable for rotating said spindle;a stator for housing said rotor, a gap being defined between said rotor and said stator for receiving pressurised air;a supply conduit element arranged in said stator for delivering said pressurised air into said gap;a discharge conduit arranged in said stator for discharging said pressurised air from said gap;a cover positioned in a second end portion of said main body opposite said first end portion; andan expansion chamber in flowing communication with the atmosphere and in ...

UNIVERSAL ACCESSORIES FOR OSCILLATING POWER TOOLS

An accessory for coupling to an attachment mechanism of an oscillating power tool includes a working end, an opposite rear end, and a fitment portion adjacent the rear end portion. The fitment portion includes a generally U-shaped opening having a central portion and a rearward portion open to the rear end, and configured to receive a post of a tool clamping mechanism. The fitment portion further includes a first plurality of openings in communication with and extending radially outward from the central portion, a second plurality of openings not in communication with and positioned radially outward from the central portion. The central portion, the first plurality of openings, and the second plurality of openings are configured to couple the fitment portion to a plurality of different configurations of attachment mechanisms for oscillating power tools. 1. An accessory for coupling to an attachment mechanism of an oscillating power tool , the accessory comprising:a working end portion; and a generally U-shaped opening open to the rear end portion, the U-shaped opening having a central portion configured to receive a central post of a tool clamping mechanism, and a rearward portion in communication with the central portion and open to the rear end portion of the accessory;', 'a first plurality of openings in communication with and extending radially outward from the central opening, the first plurality of openings including a first radial arm slot extending from the central portion at approximately 90 degrees to the U-shaped opening, a second radial arm slot extending from the central portion at approximately 180 degrees to the U-shaped opening, and a third radial arm slot extending from the central portion at approximately 270 degrees from the U-shaped opening;', 'a second plurality of openings not in communication with and positioned radially outward from the central opening, the second plurality of openings; and', 'a pair of chamfers tapering outward from the U- ...

Mechanical Hand Tool Device

The disclosure relates to a mechanical hand tool device, in particular a fret and/or a reciprocating saw device, including a locating unit having at least one antenna. The locating unit is configured to detect objects outside a workpiece and to detect objects inside the workpiece. 1. A handheld machine tool apparatus comprising:a locating unit including at least one antenna, and the locating unit being configured (i) to detect objects outside a workpiece, and (ii) to detect objects inside the workpiece.2. The handheld machine tool apparatus as claimed in claim 1 , further comprising:a workpiece guide apparatus including a workpiece support level,wherein the locating unit defines a locating space configured to penetrate the workpiece support level.3. The handheld machine tool apparatus as claimed in claim 2 , wherein the locating space of the locating unit has an extent greater than 1 cm perpendicular to the workpiece support level on a side of the workpiece support level facing the at least one antenna.4. The handheld machine tool apparatus as claimed in claim 1 , further comprising:an insertion tool mount,wherein the at least one antenna is located behind the insertion tool mount relative to a main working direction.5. The handheld machine tool apparatus as claimed in claim 1 , wherein the at least one antenna has a planar configuration.6. The handheld machine tool apparatus as claimed in claim 1 , wherein the at least one antenna is fed in a balanced form.7. The handheld machine tool apparatus as claimed in claim 1 , wherein the at least one antenna is configured to claim 1 , at least one of claim 1 , send on a narrowband basis and receive on a narrowband basis.8. The handheld machine tool apparatus as claimed in claim 1 , wherein:a first antenna of the at least one antenna is configured to receive a signal in a first polarization, a second antenna of the at least one antenna, is configured to receive the signal in a second polarization, andthe second polarization ...

Collet Fan for a Rotary Tool

A rotary tool includes a motor having an output shaft, the output shaft defining an axis of rotation. The motor is configured to rotate the output shaft in a first direction about the axis of rotation. An accessory tool retention mechanism is attached to a distal end portion of the output shaft and configured to releasably retain an accessory tool in alignment with the axis of rotation. A fan mechanism includes a plurality of fan blades attached to the accessory tool retention mechanism and extending radially outwardly therefrom. The plurality of fan blades are configured to move air forwardly in a direction that is generally parallel to the axis of rotation as the accessory tool retention mechanism is rotated in the first direction by the output shaft. 1. A rotary tool comprising:a motor having an output shaft, the output shaft defining an axis of rotation, the motor being configured to rotate the output shaft in a first direction about the axis of rotation;an accessory tool retention mechanism attached to a distal end portion of the output shaft and configured to releasably retain an accessory tool in alignment with the axis of rotation; anda fan mechanism including a plurality of fan blades attached to the accessory tool retention mechanism and extending radially outwardly therefrom, the plurality of fan blades being configured to move air forwardly in a direction that is generally parallel to the axis of rotation as the accessory tool retention mechanism is rotated in the first direction by the output shaft.2. The rotary tool of claim 1 , wherein the accessory tool retention mechanism includes a collet nut that is removably attached to the distal end portion of the output shaft claim 1 , andwherein the plurality of fan blades are attached to the collet nut.3. The rotary tool of claim 2 , wherein the fan mechanism includes a hub claim 2 , the plurality of fan blades being extending radially outwardly from the hub claim 2 , andwherein the hub defines a central ...

SPEED CONTROL DEVICE FOR GOVERNING THE SPEED OF A PNEUMATIC POWER TOOL

A speed control device for limiting the idle and operating speed of a pneumatic power tool driven by an air turbine () and comprising an inlet passage () for supplying pressure air at a pressure (P), one or more nozzles () for directing supplied motive pressure air onto the turbine wheel () of the air turbine (), and a speed governor () with a movable valve element () biased by a turbine speed responsive control pressure (P) and arranged to control the flow of supplied pressure air from the pressure air inlet passage () to the nozzles (), wherein a pressure regulator () controlled by the pressure air supply pressure (P) is arranged to adjust the control pressure (P) by adjusting the size of a bleed passage () communicating with the atmosphere in response to the actual level of the pressure air supply pressure (P) such that a decreasing pressure air supply pressure (P) results in an decreased area of the bleed passage () and a following increased control pressure which results in an increased pressure air flow to the turbine nozzles () and a compensation for occurring variations in the pressure air supply pressure (P). 1101620222510222143116321356035162160316. Speed control device for controlling the speed of a pneumatic power tool including a housing () with a pressure air inlet passage () , an air turbine () with a turbine wheel () drivingly coupled to an output spindle , and one or more air nozzles () arranged in the housing () for directing a flow of pressure air onto the turbine wheel () , a pressure activated speed governor () comprising a valve element () that is balanced between the air pressure (P) in the air inlet passage () and a turbine speed responsive control pressure (P) supplied to the speed governor () via a control pressure passage () , wherein a control pressure regulator () is arranged to communicate on one side with the control pressure passage () and on the other side with the air inlet passage () upstream of the speed governor () , and the ...

BATTERY OPERATED TOOL

Embodiments provide methods, apparatuses, and systems for battery operated tools, such as chainsaws, are provided. In accordance with embodiments herein, a chainsaw may include various components, such as a control board having a controller, a battery terminal block, a motor, a brake switch, a trigger switch, and/or other components. In various embodiments, components of the battery operated tool are provided that improve the capabilities and/or operation of the tool. 1. A battery-powered handheld tool , comprising:a controller; anda multipurpose terminal block coupled to the controller, the multipurpose terminal configured to be coupled with an external device and the multipurpose terminal including at least one multipurpose contact,wherein the controller is configured to identify the external device and communicate with the external device via the multipurpose contact.2. The tool of claim 1 , wherein the controller is configured to identify the external device based on a voltage level at the multipurpose contact.3. The tool of claim 1 , wherein the controller is configured to identify whether the external device is a battery claim 1 , a diagnostic device claim 1 , or a test device.4. The tool of claim 1 , wherein the controller is configured to identify whether the external device is a standard battery or an endurance battery.5. The tool of claim 4 , further comprising a motor coupled to the controller claim 4 , and wherein the controller is configured to set a power limit of the motor based on the identification of the external device as a standard battery or an endurance battery.6. The tool of claim 1 , wherein the multipurpose terminal block further includes a pair of power contacts configured to deliver power from the external device to the controller.7. The tool of claim 1 , further comprising a trigger switch coupled to the controller claim 1 , wherein the controller is configured to identify the external device if the trigger switch is activated.8. The tool ...

Power Tool

A power tool includes: a motor configured to be driven based on one of a plurality of drive modes; a mode section switch; a control portion. The control portion is configured to operate responsive to a first operation to assign one or more drive modes preselected from the plurality of drive modes to the mode selection switch. A second operation different from the first operation is capable of manipulating the mode selection switch to select one drive mode from the one or more preselected drive modes, the control portion being further configured to control the motor based on the one drive mode selected by the mode selection switch. 1. A power tool comprising:a motor configured to be driven based on one of a plurality of drive modes;a mode section switch;a control portion configured to operate responsive to a first operation to assign one or more drive modes preselected from the plurality of drive modes to the mode selection switch, a second operation different from the first operation being capable of manipulating the mode selection switch to select one drive mode from the one or more preselected drive modes, the control portion being further configured to control the motor based on the one drive mode selected by the mode selection switch.2. The power tool according to claim 1 , wherein the first operation is configured to be executed on an external device connected to the power tool.3. A power tool comprising:a motor;a bit drive portion configured to be driven by the motor to drive a bit;a first storing portion configured to store a plurality of control modes for controlling the motor; anda control portion configured to control the motor,wherein the power tool further comprises a second storing portion configured to store one or more control modes selected from the plurality of control modes as one or more drive modes, andthe control portion is configured to control the motor based on one drive mode selected from the one or more drive modes stored in the second ...

CLAMPING DEVICE FOR A HAND-HELD POWER TOOL

A clamping device for a hand-held power tool includes at least one clamping unit configured to clamp a processing tool in an axial direction and at least one operating unit configured to actuate the at least one clamping unit. The at least one operating unit has at least one jaw coupling element configured to couple the at least one operating unit to the at least one clamping unit in a rotationally fixed manner. The at least one jaw coupling element is supported so as to be movable at least substantially parallel to the axial direction. 1. A hand-held power-tool clamping device , comprising:at least one clamping unit configured to securely clamp a working tool in an axial direction; andat least one operating unit configured to actuate the at least one clamping unit,wherein the at least one operating unit has at least one claw coupling element mounted so as to be movable at least substantially parallelwise in relation to the axial direction, the at least one claw coupling element configured at least to couple the at least one operating unit to the at least one clamping unit in a rotationally fixed manner.2. The hand-held power-tool clamping device as claimed in claim 1 , wherein:the at least one operating unit has at least one cam mechanism configured to move the at least one claw coupling element, andthe at least one cam mechanism has at least one cam element disposed on an operating element of the at least one operating unit.3. The hand-held power-tool clamping device as claimed in claim 1 , wherein the at least one operating unit has at least one tilt-lever unit configured to move the at least one claw coupling element.4. The hand-held power-tool clamping device as claimed in claim 3 , wherein:the at least one operating unit includes at least one operating lever configured to constitute a tilt-lever element of the at least one tilt-lever unit, andthe at least one operating lever has a swivel axis disposed at a distance relative to a rotation axis of the operating ...

CONTROL SYSTEM FOR A FASTENING POWER TOOL

A fastening power tool such as a nailer is provided including a tool housing, an input unit actuated in response to an operator input, and a motor assembly including a motor housed within the tool housing. A control unit is provided including a controller programmable to control an operation of the motor and a decoder circuit configured to control a supply of power from a power source to the controller based on a status of the power source and a status of the input unit. The decoder circuit is configured to connect supply of power from the power source to the controller when the power tool is coupled to the power source prior to an engagement of the input unit, but disconnect the supply of power when the power tool is coupled to the power source after the engagement of the input unit. 1. A power tool comprising:a tool housing;an input unit actuated in response to an operator input;a motor assembly including a motor housed within the tool housing;a control unit including a controller programmable to control an operation of the motor and a decoder circuit configured to control a supply of power from a power source to the controller based on a status of the power source and a status of the input unit, the decoder circuit being configured to connect supply of power from the power source to the controller when the power tool is coupled to the power source prior to an engagement of the input unit, but disconnect the supply of power when the power tool is coupled to the power source after the engagement of the input unit.2. The power tool of claim 1 , wherein the power tool comprises a fastening tool and the input unit comprises a trigger switch and a contact trip sensor.3. The power tool of claim 2 , wherein the decoder circuit is configured to supply power to the controller when the power source is connected to the power tool prior to engagement of either the trigger switch or the contact trip sensor.4. The power tool of claim 1 , wherein the decoder circuit comprises a ...

Pneumatic Tool Having a Two-Stage Trigger Device

A two-stage trigger device includes a trigger mounted on a body. Upon application of an external force, the trigger is rotated from a first position to a second position to move a rod member along an axis by a first distance, so as to open a passage to a predetermined degree. When the trigger reaches the second position, and when application of the external force is continued, at least one portion of the trigger moves in the body to move the rod member along the axis by a second distance, such that the opening degree of the passage is increased gradually. 1. A pneumatic tool comprising a body , a passage formed in the body and permitting flow of a gas therethrough , a plug for sealing said passage , a rod member movable along an axis so as to drive said plug to open said passage , and a two-stage trigger device , movement of said rod member in a direction increasing gradually the opening degree of said passage , said two-stage trigger device including:a trigger connected to said rod member and rotatable relative to said body from a first position to a second position in response to initial application of an external force to said trigger, so as to move said rod member along the axis by a first distance;wherein, when the trigger reaches the second position, and when application of the external force is continued, at least one portion of said trigger moves along the axis to drive movement of said rod member along the axis by a second distance.2. The pneumatic tool as claimed in claim 1 , further comprising a motion conversion unit that includes at least one pin for connecting said trigger pivotally to said body so that said trigger rotates about said pin in response to actuation of said trigger claim 1 , and at least one track disposed at one of said body and said trigger claim 1 , said at least one portion of said trigger engaging movably said track and being movable along said track after rotation of said trigger about said pin.3. The pneumatic tool as claimed in ...

HANDHELD MACHINE TOOL HAVING A SPINDLE-LOCKING DEVICE

In a handheld machine tool having a tool housing, in which a drive motor is situated for driving a drive element equipped with at least one clamping surface, to which a spindle-locking device equipped with a blocking element and at least one spindle cylinder is assigned, the at least one spindle cylinder being able to be clamped in a spindle-lock operation of the spindle-locking device between the at least one clamping surface and the blocking element to prevent the drive element from rotating relative to the tool housing, wherein a positioning element associated with the spindle locking device is situated at least in sections on the at least one clamping surface, the positioning element being situated at least partially in the region between the at least one spindle cylinder and the at least one clamping surface. 1. A handheld machine tool , comprising:a tool housing, in which a drive motor is situated for driving a drive element equipped with at least one clamping surface, to which a spindle-locking device is assigned that is equipped with a blocking element and at least one spindle cylinder, the at least one spindle cylinder being clampable in the spindle-lock operation of spindle-locking device between the at least one clamping surface and the blocking element to prevent the drive element from rotating relative to the tool housing; anda positioning element assigned to the spindle-locking device is situated at least in sections on the at least one clamping surface, the positioning element being situated at least partially in the region between the at least one spindle cylinder and the at least one clamping surface.2. The handheld machine tool of claim 1 , wherein the positioning element has a viscoelastic ring.3. The handheld machine tool of claim 2 , wherein the viscoelastic ring is situated at least in sections in a groove on the drive element.4. The handheld machine tool of claim 2 , wherein the viscoelastic ring has a circular cross section having a diameter ...

ELECTRONIC DRILL WITH REVOLVING REPLACEABLE DRILLING HEADS

An electronic drill with revolving replaceable drilling heads includes a housing, a driving unit, a rotary cover, and a plurality of drill heads. The housing has an opening, a through hole, a containing room connected therebetween. A motor container is disposed within the containing room to contain a motor of the driving unit. The rotary cover is assembled to the housing and is rotatable so that the plurality of drill heads coupled to the rotary cover is moveable freely in a rotary track between the motor container and the housing. One of the drill heads may be rotated to be aligned with a rotary hole of a gear set driven by the motor and pushed forward for use. The drill head can also be retracted backward and replaced in the electronic drill by rotating the rotary cover, so that another drill head can be pushed outward for use. 1. An electronic drill with revolving replaceable drilling heads , comprising: an opening located at the rear end;', 'a through hole located at the front end;', 'a containing room connected between the opening and the through hole, the containing room having a groove disposed at an inner wall and extending to correspond to the through hole;', 'a motor container disposed within the containing room with a rotary track defined between the motor container and the inner wall of the containing room, the rotary track surrounding the motor container;, 'a housing having a front end and a rear end, the housing comprising a motor disposed in the motor container: and', 'a gear set disposed outside the motor container and driven by the motor and having a rotary hole in connection with the through hole;, 'a driving unit, comprisinga rotary cover detachably assembled to the rear end of the housing and covering the opening, the rotary cover comprising a wheel rotatable with respect to the housing and comprising at least two hollow recesses; anda plurality of drill heads, each drill head detachably coupled to one of the recesses and directed toward the ...

POWER TOOL

A power tool includes a motor, a power supply device, a driver circuit, a parameter acquisition module, and a controller. The motor includes a stator and a rotor. The motor is configured to generate a reluctance torque. The driver circuit is electrically connected to the motor to drive the motor. The parameter acquisition module is configured to acquire a current of the motor, a rotational speed of the motor, and a position of the rotor. The controller is configured to: according to at least one of the current of the motor, the rotational speed of the motor, or the position of the rotor, dynamically adjust a current applied to the stator so that an included angle between a stator flux linkage of the motor and a rotor flux linkage of the motor ranges from 90° to 135°. 1. A power tool , comprising:a motor comprising a stator and a rotor, wherein the motor is configured to generate a reluctance torque;a power supply device configured to supply electrical energy to the motor;a driver circuit electrically connected to the motor to drive the motor; anda controller configured to control the driver circuit, wherein the controller is configured to:according to at least one of a current of the motor, a rotational speed of the motor, or a position of the rotor, dynamically adjust a current applied to the stator so that an included angle between a stator flux linkage of the motor and a rotor flux linkage of the motor ranges from 90° to 135°.2. The power tool according to claim 1 , wherein an output torque of the motor is greater than a preset threshold within a preset time range and the preset threshold is set according to a characteristic of the motor and the current of the motor.3. The power tool according to claim 1 , wherein a bus current of the motor increases at a first slope in a first torque interval claim 1 , the bus current of the motor increases at a second slope in a second torque interval claim 1 , and the first slope is greater than the second slope.4. The power ...

System And Method For Installation And Verification Of Fasteners

A method is presented for operating a power tool during installation of a deformable fastener. The method includes: receiving measures of current supplied to a motor of the power tool during operation of the power tool; determining rate of change of the current during operation of the power tool; determining occurrence of the power tool engaging the fastener based on the magnitude of the current supplied to the motor; determining occurrence of the power tool swaging the fastener based on the rate of change of the current; determining completion of the power tool swaging the fastener based on the magnitude of the current and the rate of change of the current; and verifying quality of the installation of the fastener using the determination of the occurrence of the power tool engaging the fastener and the determination of the completion of the power tool swaging the fastener. 1. A method for operating a power tool during installation of a deformable fastener , where the power tool includes a collet for grasping the fastener and a drivable sliding sleeve with an anvil for swaging the fastener , comprising:receiving, by a controller residing in the power tool, measures of current supplied to a motor of the power tool during operation of the power tool;determining, by the controller, rate of change of the current during operation of the power tool;determining, by the controller, occurrence of the power tool engaging the fastener based on the magnitude of the current supplied to the motor;determining, by the controller, occurrence of the power tool swaging the fastener based on the rate of change of the current;determining, by the controller, completion of the power tool swaging the fastener based on the magnitude of the current and the rate of change of the current; andaltering, by the controller, rotation of the motor of the power tool in response to determining completion of swaging the fastener.2. The method of further comprises determining occurrence of the power ...

HIGH-POWER LIGHTWEIGHT TOOL

A power tool may include a control unit, a hand tool body and a cable. The control unit may include a controller and at least one power unit. The hand tool body may be separate from the control unit. The hand tool body may include an end effector of the power tool. The end effector may be powered via the at least one power unit. The cable may operably couple the control unit and the hand tool body. The controller may be configured to communicate with the end effector and at least one other device external to the control unit. The hand tool body does not include any internal power source. 1. A power tool comprising:a control unit including a controller and at least one power unit;a hand tool body separate from the control unit, the hand tool body comprising an end effector of the power tool, the end effector being powered via the at least one power unit; anda cable operably coupling the control unit and the hand tool body,wherein the controller is configured to communicate with the end effector and at least one other device external to the control unit.2. The power tool of claim 1 , wherein the end effector is configured for execution of a material removal claim 1 , assembly claim 1 , or tightening function.3. The power tool of claim 1 , wherein communication between the controller and the end effector is accomplished via a wireless communication link.4. The power tool of claim 1 , wherein communication between the controller and the end effector is accomplished via a wired communication link provided in the cable.5. The power tool of claim 1 , wherein the control unit is supported on a utility belt.6. The power tool of claim 5 , wherein the control unit comprises at least one internal power unit and one or more external power units claim 5 , the external power units being supported by the utility belt.7. The power tool of claim 1 , wherein the controller is operably coupled to a wearable display.8. The power tool of claim 7 , wherein device status claim 7 , guidance ...

HANDHELD MACHINING DEVICE, PARTICULARLY FOR DRILLING

A handheld machining device (), particularly for drilling, having a mechanism includes: a first mounting (), on which a tool holder (), and a motor () arranged to rotate the tool holder (), are mounted; a second mounting (); and an element () for translatably guiding, between the first mounting () and the second mounting (), a linear actuator () enabling the first mounting () to be spaced apart from the second mounting (), and the first mounting () to be brought toward the second mounting (). The motor () is electric, and the rotor () of the first motor () is directly mounted onto the tool holder () and is rigidly connected thereto. 2434334. The device according to claim 1 , wherein the rotor () of the motor ( claim 1 , ) is exterior to the stator () of said motor ( claim 1 , ).3343456789. The device according to claim 1 , wherein said motor ( claim 1 , ) is a first motor ( claim 1 , ) and wherein said linear actuator () comprises a ball screw system ( claim 1 , ) and a second motor ( claim 1 , ).4989656. The device according to claim 3 , wherein the second motor is an electric motor and wherein the rotor () of the second motor ( claim 3 , ) is directly mounted onto the screw () of the linear actuator () claim 3 , rigidly integral with said screw ().530899893076720. The device according to claim 3 , wherein the second mounting () carries said second motor ( claim 3 , ) claim 3 , the stator () of said second motor ( claim 3 , ) being integral in translation with said second mounting () claim 3 , the nut () of the ball screw system ( claim 3 , ) being integral in translation with said first mounting ().620899892076730. The device according to claim 3 , wherein the first mounting () carries said second motor ( claim 3 , ) claim 3 , the stator () of said second motor ( claim 3 , ) being integral in translation with said first mounting () claim 3 , the nut () of the ball screw system ( claim 3 , ) being integral in translation with said second mounting ().79898. The ...

CONTROL ASSEMBLY FOR USE WITH AN ELECTRIC POWER TOOL

A control assembly for use with an electrical device to control operation of the electrical device in a plurality of operational modes. 1. A control assembly for use with an electrical device to control operation of the electrical device in a plurality of operational modes , the control assembly including:a rotary member rotatably movable about a rotational axis between at least one of a first rotational position, a second rotational position, and, a third rotational position, said second rotational position being an intermediate position between the first and third rotational positions;a sliding carriage member operably-connected with the rotary member, said sliding carriage member being configured for linear sliding movement in to first, second and third sliding positions along a sliding axis in response to the rotary member between arranged in the first, second and third rotational positions, respectively; 'a detent assembly operably-connected with the sliding carriage member to control movement of the sliding carriage member along the sliding axis, said detent assembly including a force compensation mechanism and whereby responsive to operation of the force compensation mechanism of the detent assembly, an amount of force required to effect movement of the rotary member between its first and second rotational positions, and, an amount of force required to effect movement of the rotary member between its second and third rotational positions is able to be maintained substantially uniform.', 'a switch module operably-connected with the sliding carriage member, said switch module being configured for switching operation of the electrical device between a first operational mode, a second operational mode, and a third operational mode in response to the sliding carriage member being arranged in the first, second and third sliding positions, respectively;'}2. The control assembly as claimed in claim 1 , wherein the electrical device includes an electric motor claim 1 ...

PNEUMATIC TOOL HAVING A TWO-STAGE FLOW CONTROL

A pneumatic tool includes a body, a switch valve, and a trigger. The body has a passage. The switch valve includes a plug sealing the passage, a plug rod connected to the plug, and a rod member extending in the body along an axis for driving the plug rod and the plug, such that movement of the rod member in the body in a direction results in a gradual increase in flow rate of the gas in the passage. The plug rod is connected to the rod member such that an angle is formed therebetween. The trigger includes a first plate and a second plate. The first plate is operable manually to covert between a first position whereat the second plate cannot be driven by the first plate, and a second position whereat the second plate can be driven by the first plate. 1. A pneumatic tool comprising:a body having a passage adapted to permit a gas to flow therethrough;a switch valve including a plug sealing said passage, a plug rod connected to said plug, and a rod member extending in said body along an axis for driving said plug rod and said plug, such that movement of said rod member in said body in a direction results in a gradual increase in flow rate of the gas in said passage, said plug rod being connected to said rod member such that an angle is formed therebetween; anda trigger mounted on said body and connected to said rod member, said trigger including a first plate and a second plate, said first plate being operable manually to covert between a first position whereat said second plate cannot be driven by said first plate, and a second position whereat said second plate can be driven by said first plate, conversion of said first plate from said first position to said second position resulting in movement of said rod member in said body along said axis in the direction by a first distance, after which said first plate is operable manually such that said second plate is driven by said first plate to move said rod member along said axis in the direction by a second distance.2. ...

Battery-Powered Portable Tools

A battery-powered tool includes: a housing, a driven element supported by the housing, an electric motor coupled to the driven element so as to drive the driven element, a battery electrically coupled to the motor so as to supply electric current to the motor and a control circuit arranged to control the supply of electric current to the motor from the battery. The control circuit includes a main switch operable by a user and an auxiliary switch also operable by a user. The control circuit has an active state in which operation of the main switch by the user allows electric current to flow to the motor to cause the driven element to be driven; and an inactive state in which operation of the main switch does not allow electric current to flow to the motor and so the motor does not drive the driven element. Operation of the auxiliary switch causes the control circuit to change between the active and inactive states. 1. A battery-powered portable tool , comprising:a housing,a driven element supported by the housing,an electric motor coupled to the driven element so as to drive the driven element,a battery electrically coupled to the motor so as to supply electric current to the motor, anda control circuit configured to control the supply of electric current to the motor from the battery,wherein the control circuit comprises a main switch operable by a user and an auxiliary switch also operable by a user; an active state in which operation of the main switch by the user allows electric current to flow to the motor so as to cause the driven element to be driven; and', 'an inactive state in which operation of the main switch does not allow electric current to flow to the motor and so the motor does not drive the driven element,, 'the control circuit comprisingwherein operation of the auxiliary switch causes the control circuit to change between the active and inactive states,and wherein the control circuit is further provided with an indicator configured to provide an ...

HANDHELD POWER TOOL AND AMPLIFIER ANTENNA

An electric handheld power tool, including a data memory and a data interface signal-connected to the data memory, via which tool-related data may be read out from the data memory with the aid of a terminal, the data interface including a system antenna for wireless radio data transmission, and the electric handheld power tool including an amplifier antenna which is different from the system antenna, the amplifier antenna being magnetically coupled with the system antenna and preferably mounted on or in the direct vicinity of the system antenna. 110-. (canceled)11. An electric handheld power tool comprising:a data memory and a data interface signal-connected to the data memory, tool-related data readable out from the data memory via the data interface with the aid of a terminal, and, for the purpose of wireless radio data transmission, the data interface including a system antenna; andan amplifier antenna different from the system antenna, the amplifier antenna being magnetically coupled with the system antenna.12. The electric handheld power tool as recited in wherein the amplifier antenna is mounted on or in a direct vicinity of the system antenna.13. The electric handheld power tool as recited in wherein the amplifier antenna includes a dipole and an inductive coupling loop.14. The electric handheld power tool as recited in wherein the dipole and the coupling loop are designed as a wire claim 13 , forming a single piece with each other.15. The electric handheld power tool as recited in wherein the system antenna is designed as a PCB antenna.16. The electric handheld power tool as recited in wherein the dipole is designed as a symmetrical λ/2 dipole or an asymmetrical λ/4 dipole having a terminating element claim 13 , with respect to a tuning frequency of the data interface.1725. The electric handheld power tool as recited wherein the data interface () is tuned to an RFID UHF range.18. The electric handheld power tool as recited in wherein the amplifier antenna is ...

POWER TOOL

A power tool for driving a screwdriver bit and a drill bit. The power tool may include a tool device and a clamping device. The tool device may include a motor, a tool housing for receiving the motor, an outputting shaft forming an insertion hole for being inserted by the screwdriver bit, and a driving shaft configured to drive the outputting shaft to rotate about a center axis and forming an insertion socket. The clamping device may include a clamping head configured to clamp the drill bit, a connector for connecting the clamping head with the tool device detachably, and a transmitting member configured to pass through the insertion hole and insert into the insertion socket so that the driving shaft drives the clamping head rotate. 1. A power tool for driving a screwdriver bit and a drill bit , comprising:a tool device including a motor, a tool housing for receiving the motor, an outputting shaft forming an insertion hole for being inserted by the screwdriver bit, and a driving shaft configured to drive the outputting shaft to rotate about a center axis and forming an insertion socket; anda clamping device including a clamping head configured to clamp the drill bit, a connector for connecting the clamping head with the tool device detachably, and a transmitting member configured to pass through the insertion hole and insert into the insertion socket so that the driving shaft drives the clamping head to rotate.2. The power tool of claim 1 , wherein the clamping head rotates about the center axis.3. The power tool of claim 1 , wherein the connector is configured to slidably connect to the tool housing along a direction which is parallel to the center axis.4. The power tool of claim 1 , wherein the tool device further comprises an operating member for being operated by an operator to control the current of the motor and an activating member movably connected to the tool housing and operable to activate the operating member at a first position and deactivate the ...

MUFFLER FOR PNEUMATIC POWER TOOL AND PNEUMATIC POWER TOOL INCORPORATING THE SAME

A muffler assembly for a pneumatic power tool includes a tube member defining an interior volume. The tube member includes an upper segment and a lower segment. The upper segment defines a first diameter and includes a closed upper end to inhibit fluid communication with the interior volume therethrough, a lower end, a first portion defining a plurality of vents to enable fluid communication with the interior volume therethrough, and a second portion defining a continuous surface to inhibit fluid communication with the interior volume therethrough. The lower segment defines a second diameter greater than the first diameter and includes an upper end in fluid communication with the lower end of the upper segment, a lower end, a first portion defining a plurality of vents to enable fluid communication with the interior volume therethrough, and a second portion defining a continuous surface to inhibit fluid communication with the interior volume therethrough. 1. A muffler assembly for a pneumatic power tool , the muffler assembly comprising: an upper segment defining a first diameter, the upper segment including a closed upper end to inhibit fluid communication with the interior volume therethrough, a lower end, a first portion defining a plurality of vents to enable fluid communication with the interior volume therethrough, and a second portion defining a continuous surface to inhibit fluid communication with the interior volume therethrough; and', 'a lower segment defining a second diameter greater than the first diameter, the lower segment including an upper end in fluid communication with the lower end of the upper segment, a lower end, a first portion defining a plurality of vents to enable fluid communication with the interior volume therethrough, and a second portion defining a continuous surface to inhibit fluid communication with the interior volume therethrough., 'a tube member defining an interior volume, the tube member including2. The muffler assembly ...

MACHINE TOOL, IN PARTICULAR CORDLESS DRILL OR CORDLESS SCREWDRIVER

Handheld power tool having a housing with a machining axis along which a tool is or can be arranged, and having a lighting device that has at least one activatable lamp, the lighting device generating work light within a beam angle with an increased or maximum light intensity in a main emission direction in order to illuminate a work region, and having at least one light sensor for measuring the light intensity, characterized in that the light sensor detects the light intensity of the work light reflected on the work region during operation and generates control signals representing the light intensity, in that an adjustment unit is provided for setting and/or adjusting the work light generated by the lighting device, and in that a control unit is provided which controls the adjustment unit on the basis of the sensor signals during operation. 1. Handheld power tool comprising a housing comprising a machining axis along which a tool is or can be arranged , comprising a lighting device that has at least one activatable lamp , the lighting device generating work light within a beam angle with an increased or maximum light intensity in a main emission direction in order to illuminate a work region , and comprising at least one light sensor for measuring the light intensity , characterized in that the light sensor detects the light intensity of the work light reflected on the work region during operation and generates control signals representing the light intensity , in that an adjustment unit is provided for setting and/or adjusting the work light generated by the lighting device , and in that a control unit is provided which controls the adjustment unit on the basis of the sensor signals during operation.2. Handheld power tool according to claim 1 , characterized in that the adjustment unit and the lighting device are designed in such a way that the main emission direction claim 1 , the beam shape and/or the beam angle can be set and/or adjusted by means of the ...

ELECTRIC POWER TOOL

A shoe attached to a shoe attachment portion includes a spanner portion. As the shoe can be separated from a tool main body of the cutout tool, the shoe can be used as a spanner. The shoe can function as the spanner for replacing a bit in a bit attachment mechanism. In addition, the shoe has its original function of the shoe by which a protrusion amount of the bit can be adjusted. Since the shoe is attached to the shoe attachment portion and held by the tool main body, it turns out that the spanner can be prepared for use with the cutout tool. 1. An electric power tool comprising:a motor;a housing that accommodates the motor; anda tool tip which is driven by the motor;wherein a member having at least two different functions is directly or indirectly held by the housing.2. An electric power tool comprising:a motor;a housing that accommodates the motor;a tool tip holding unit that is driven by the motor and can hold a tool tip; anda contact member that includes a contact portion that can be in contact with a workpiece, the contact member directly or indirectly held by the housing;wherein the contact member is configured to enable the tool tip holding unit to perform an operation with regard to the holding of the tool tip.3. An electric power tool comprising:a motor;a housing that accommodates the motor;an output shaft that is driven by the motor;a nut that rotates with respect to the output shaft to affix a tool tip; anda contact member that includes a contact portion that can be in contact with a workpiece, the contact member directly or indirectly held by the housing;wherein the contact member is provided with a spanner portion that can rotate the nut.4. The electric power tool according to claim 3 , wherein the spanner portion is located on a rear end side that is opposite a front end side where the contact portion of the contact member is provided.5. The electric power tool according to claim 3 , wherein the contact portion includes a surface that extends in a ...

Driving System for Cleaning Machine

The invention relates to a driving system () for a cleaning machine (), which comprises a floor treating brush and/or disc () rotatably driven by a motor () and exhibiting surrounding ring-shaped rim and vacuum duct () for suction () of washing liquid (). According to the invention the motor is formed by a horizontally arranged, electrically driven hub motor (). The rotor () of the motor () is drivably connected to said rotatably driven floor treating brush and/or disc (), while the stator () of the motor () is connected to the stationary frame () of the cleaning machine (). 110-. (canceled)11. A driving system for a cleaning machine having a floor-treating brush or disk , a surrounding ring-shaped rim , a conduit for supplying washing liquid , and a vacuum suction duct for collecting dirty washing liquid , comprising:an electrically driven hub motor that is horizontally arranged and that is configured for rotatably driving the floor-treating brush or disk;wherein a rotor of the hub motor is drivably connected to the floor-treating brush or disk, a stator of the hub motor is connected to a stationary frame of the cleaning machine, the hub motor surrounds a stationary vertical central shaft, the vacuum suction duct and a connection to the vacuum suction duct are disposed internally in the stationary vertical shaft, and the central shaft also includes a channel for reception of an electric cable of the hub motor.12. The system of claim 11 , wherein a lateral extent of the hub motor is substantially larger than a vertical extent of the hub motor.13. The system of claim 12 , wherein a ratio between a breadth and a height of the cleaning machine is about 8:1.14. The system of claim 11 , wherein the stationary vertical central shaft includes an inner conduit for washing liquid and a connection to the inner conduit for washing liquid.15. The system of claim 11 , wherein the stationary vertical central shaft is connected to the stationary frame.16. The system of claim 11 , ...

DRYWALL JOINT TOOL

A drywall joint tool includes a housing with upper and lower surfaces and an interior. A drivetrain is mounted in said interior and originates at a drive input shaft. The drivetrain reduces the rotational speed and increases the torque force from the drive input shaft to multiple rollers depending downwardly from the housing lower surface. A guide fence also depends downwardly from the housing lower surface and includes a guide wall. The spacing between the guide rollers in the guide wall correspondence to nominal and compressed thicknesses of a gypsum board panel along a cut edge traversed by the tool. In an alternative embodiment, four guide rollers are provided. 1. A drywall joint tool for compressing a cut edge of a gypsum board panel with a cut edge , which tool includes:a housing with upper and lower surfaces and a housing interior;a drivetrain including an input driveshaft extending from the housing upper surface and a pair of drive rollers depending downwardly from said housing lower surface;said drivetrain configured for reducing rotational speeds at said drive rollers from an input driveshaft speed and increasing torque force from said input driveshaft to said drive rollers;a panel edge constraint depending downwardly from said housing lower surface and configured for engagement by said panel along said cut edge thereof;said panel edge constraint and said drive rollers forming a slot therebetween with a minimum width corresponding to a compressed thickness of said panel along said cut edge thereof; andsaid tool being configured for simultaneously traversing and compressing said panel in said slot said along said cut edge.2. The drywall joint tool according to claim 1 , which includes:said panel edge constraint comprising a guide fence depending downwardly from said panel lower surface, said guide fence including a guide wall positioned in spaced relation from said drive rollers.3. The drywall joint tool according to claim 2 , wherein said guide fence is ...

POWER TOOL

A power tool, which includes or is connectable to a computerised unit including a user interface, includes: a portable tool body supporting a motion sensor unit; and an activation unit by which the power tool may be set in two different modes, one production mode and one user interaction mode in which the power tool is configured to provide data from the motion sensor unit to interact with the user interface, such that a movement of the tool body is translated into an input to the user interface. 116-. (canceled)17. A power tool , which comprises or is connectable to a computerised unit comprising a user interface , comprises:a portable tool body supporting a motion sensor unit; andan activation unit by which the power tool may be set in two different modes, one production mode and one user interaction mode in which the power tool is configured to provide data from the motion sensor unit to interact with the user interface, such that a movement of the tool body is translated into an input to the user interface.1807. The power tool according to claim ,wherein the motion sensor unit comprises a gyroscope configured to detect a rotation of the tool body; andwherein the rotation of the tool body is translated into an input to the user interface.1907. The power tool according to claim ,wherein the motion sensor unit comprises an accelerometer configured to detect an acceleration of the tool body; andwherein the acceleration of the tool body is translated into an input to the user interface.2007. The power tool according to claim , wherein the user interface is comprised in the power tool.2107. The power tool according to claim , wherein the power tool is separate from and connectable to the computerised unit.22. The power tool according to claim 20 , wherein the computerised unit is configured for controlling the power tool.2307. The power tool according to claim claim 20 , wherein the user interface comprises a graphical user interface (GUI).24. The power tool according ...

HIGH-POWER CORDLESS, HAND-HELD POWER TOOL INCLUDING A BRUSHLESS DIRECT CURRENT MOTOR

A cordless, hand-held power tool, such as a hammer drill/driver, a drill/driver, an impact driver, an impact wrench, etc., that includes a brushless direct current (“BLDC”) motor. Each of the hand-held power tool includes a removable and rechargeable battery pack, electronics, and a BLDC motor that have been designed and balanced to produce a high-performance-capable (e.g., high-power, high-current, high-torque) hand-held power tool. The hand-held power tool is capable of delivering high instantaneous (i.e., short duration) current to the BLDC motor for short-duration high power operation and high continuous (i.e., long duration) current to the BLDC motor for long duration high power operation. Additionally, the short and long duration power is capable of being provided in a smaller (in size) and lighter (in weight). 1. A hand-held power tool comprising:a housing including a body and a handle portion;a trigger switch configured to generate a trigger signal;a first battery terminal and a second battery terminal configured to electrically connect to a battery pack, the battery pack including a plurality of lithium-based battery cells, the battery pack removably coupled to the hand-held power tool;a brushless direct-current (“BLDC”) motor;a switching array including a plurality of switches electrically connected between the BLDC motor and the first battery terminal and the second battery terminal; receive the trigger signal from the trigger switch, and', 'generate a control signal based on the trigger signal to selectively enable and disable each of the plurality of switches in the switching array to drive the BLDC motor with power provided from the battery pack; and, 'a controller configured to'}an output shaft coupled to the BLDC motor to provide an output of the hand-held power tool,wherein the hand-held power tool is operable to produce an average long-duration power output of at least 300 Watts (“W”) and a maximum short-duration power output of at least 400 W.2. ...

Method of Drilling Hole and Coolant Used In Hole Drilling Work

Provided is a method of drilling a hole in a drilling object by using a hole drilling device including: a drill bit including a cutting edge on a distal end thereof; and an electric drill , which rotates the drill bit , the method including a cutting step of rotating the drill bit to drill a hole in the drilling object in a state where a water-soluble gel coolant is applied to the distal end of the drill bit 1. A method of drilling a hole in a drilling object by using a hole drilling device including: a drill bit including a cutting edge on a distal end thereof; and a handheld electric tool that rotates the drill bit , the method comprisinga cutting step of rotating the drill bit to drill a hole in the drilling object in a state where a water-soluble gel coolant is applied to the distal end of the drill bit.2. The method of drilling a hole according to claim 1 , further comprising a coolant feeding step of applying the coolant to the distal end of the drill bit claim 1 , whereinthe coolant feeding step is performed before the cutting step or during the cutting step.3. The method of drilling a hole according to claim 1 , whereina major component of the coolant is a water-soluble organic solvent, andthe coolant contains a hydrophilic polymeric compound as a thickener.4. The method of drilling a hole according to claim 1 , whereinthe cutting edge on the distal end of the drill bit is made of grinding stone containing diamond particles.5. A water-soluble gel coolant that is applied to a distal end of a drill bit when the drill bit claim 1 , which includes a cutting edge on the distal end thereof claim 1 , is rotated to drill a hole in a drilling object. The present invention relates to a method of drilling a hole by using a hole drilling device capable of drilling a hole in concrete or the like, and also relates to a coolant used in the hole drilling.Conventionally, an electric drill has been used as an electric tool of a hole drilling device with which to drill a hole ...

Hand-Held Machine Tool Comprising a Clamping Collar

The disclosure relates to a hand-held machine tool, comprising a housing and a drive unit, a gearbox unit which is provided to convert a rotary motion of the drive unit into an oscillating motion and has an output shaft, and a tool holder for fastening at least one tool, said tool holder being drivable in an oscillating manner via the output shaft the gearbox unit. According to the disclosure, the hand-held machine tool comprises a clamping collar, which extends in a circumferential direction at least partially around the output shaft. 1. Hand-held machine tool comprising:a housing;a drive unit;a gearbox unit configured to convert a rotary motion of the drive unit into an oscillating motion, the gearbox unit including an output shaft;a tool holder configured (i) to fasten at least one insert tool, and (ii) to be driven in an oscillating manner via the output shaft of the gearbox unit; anda clamping collar configured to extend in a peripheral direction at least partially around the output shaft.2. Hand-held machine tool according to claim 1 , wherein the clamping collar is arranged at a distance from a machining-side-facing end of the housing in a direction of principal extent of the housing that is facing away from the machining side.3. Hand-held machine tool according to claim 1 , wherein the clamping collar claim 1 , in an axial direction of the output shaft claim 1 , has a length of at least 3 mm.4. Hand-held machine tool according to claim 1 , wherein:the clamping collar has a shell surface profiled in the peripheral direction, andthe shell surface is configured to secure an accessory mounting device in a positive-locking manner in the peripheral direction.5. Hand-held machine tool according to claim 1 , wherein:the clamping collar has a shell surface which is profiled in the axial direction, andthe shell surface is configured to secure an accessory mounting device in a positive-locking manner in the axial direction.6. Accessory mounting device of a hand-held ...

PORTABLE MACHINE TOOL

A portable machine tool has at least one drive motor, at least one gearbox unit, at least one connecting drive train unit, and at least one actuating element. The at least one connecting drive train unit is configured to transmit a force from the at least one drive motor to the at least one gearbox unit. The at least one connecting drive train unit is also configured to bypass the at least one actuating element. 1. A portable machine tool , comprising:at least one drive motor;at least one gearbox unit;at least one connecting drive train unit configured to transmit a force from the at least one drive motor to the at least one gearbox unit; andat least one actuating element,wherein the at least one connecting drive train unit is configured to bypass the at least one actuating element.2. The portable machine tool according to claim 1 , further comprising a pistol grip.3. The portable machine tool according to claim 1 , wherein the at least one connecting drive train unit is configured to run at least substantially above the at least one actuating element.4. The portable machine tool according to claim 1 , further comprising a tool holder unit having a center axis claim 1 , wherein the tool holder unit is configured so that the center axis runs at least through a surrounding area of the at least one actuating element.5. The portable machine tool according to claim 4 , wherein the tool holder unit is configured so that the center axis runs through the at least one actuating element.6. The portable machine tool according to claim 1 , further comprising:an actuating finger enclosure,wherein the at least one actuating element is disposed within the actuating finger enclosure.7. The portable machine tool according to claim 6 , wherein the actuating finger enclosure is configured closed on at least four sides.8. The portable machine tool at least according to claim 6 , wherein the actuating finger enclosure has a height extent of at least 2 cm.9. The portable machine tool ...

Apparatus And Method Of Powering A Wheeled Vehicle

An apparatus is provided for powering a wheeled vehicle which includes a cordless powered tool with a rechargeable battery and a rotational chuck. The apparatus has a drive assembly with a first and a second end. The first end is secured to the rotational chuck. A connector is provided at the second end for connecting the drive system to at least one wheel of the wheeled vehicle such that upon activation of the cordless power tool, a rotational output from the chuck of the cordless power tool is imparted to the drive assembly which transfers the rotational output to the at least one wheel of the vehicle. 1. An apparatus for powering a wheeled vehicle comprising;a cordless powered tool having a rechargeable battery and a rotational chuck,a drive assembly having a first and a second end,a first connector connected to said first end and configured for detachably securing to the rotational chuck,a second connector connected to said second end and configured for securing said drive assembly to at least one wheel of the wheeled vehicle such that upon activation of the cordless power tool, a rotational output from the chuck of the cordless power tool is imparted to said drive assembly, whereby a rotational output of said cordless power tool is transferred to said at least one wheel of the vehicle.2. The apparatus of wherein said drive assembly having an elongated drive shaft with a first shaft end and a second shaft end claim 1 , a drive gear connected to said second shaft end claim 1 , said drive gear having a rotatable output shaft that transfers rotational output to the at least one wheel.3. The apparatus of wherein said drive gear comprises a bevel gear.4. The apparatus of wherein said drive gear comprises a belt drive.5. The apparatus of wherein said drive gear comprises a chain drive.6. The apparatus of wherein said drive gear includes one or more of a flex drive and a universal joint.7. The apparatus of wherein said elongated drive shaft includes a section that that ...

PORTABLE POWER SUPPLY

The invention relates to a power tool and battery pack assembly including a battery pack () for connection with the power tool () to provide power for the operation of the power tool () when connected thereto. The battery pack () includes a plurality of power cells and connection means () are provided to allow the selective supply of power at least a first or second voltage level to the power tool () from the battery pack (). 1: A power tool and battery pack assembly which , when connected , allows power to be provided for operation of the power tool , said battery pack including a plurality of power cells and connection means are provided in a form to select the provision of power at at least a first voltage or a second voltage from the same battery pack to the power tool wherein the selection of the voltage which is supplied is determined by mechanical and/or electical interaction between the power tool and the battery pack when the same are connected.2: An assembly according to wherein the at least two voltages which can be selectively provided are a first voltage “n”V and a second voltage “2n”V.3: An assembly according to wherein “n” has a value in the range of 16-22V.4: An assembly according to wherein the two voltages which can be selectively provided are 18V and 36V.5: An assembly according to wherein the provision of the different voltages is achieved with and from the same number of cells provided in the power pack.6: (canceled)7: An assembly according to wherein one of the battery pack or power tool is provided with two male plug members and the other of the battery pack or power tool is provided with a first pair of females sockets allowing connection and a first voltage to be provided and a second pair of female sockets allowing connection and a second voltage to be provided and the plugs are positioned such as to locate with one of the first or second pair of sockets so as to determine which of the first or second voltages is to be supplied.8: An ...

Device for forming expanded hole section

A hole expansion, forming device includes a cutting portion main, body formed to have a diameter for the cutting portion, main body to be housed within a joint hole and including a cutting blade tool movable in a range from a housed position at which a blade is housed within a diameter for the cutting portion main body to an extended position at which the blade projects out of the diameter, an advancing and retracting member that is constructed to move in an axial direction by an external force and rotate about an axis of the advancing and retracting member, and a link mechanism that converts an advancing and retracting movement of the advancing and retracting member into a rotational movement of the cutting blade tool, a tip portion bearing that is provided on a tip end of the cutting portion main body, and serves as a tip end side bearing when being housed in an inner side of the joint hole.

Method for Operating a Machine Tool, and Machine Tool Operable by the Method

A method for operating a machine tool that includes an electric motor for driving a drilling tool and an open- and closed-loop controller for open- and closed loop control of the motor power. The method includes: operating the machine tool in a tapping mode at a first rotational speed value, where the first rotational speed value is lower than a predetermined idling speed value of the electric motor; detecting a predetermined first threshold value for the motor current; reducing the motor current to a predetermined second threshold value when the first threshold value is exceeded; operating the machine tool at a second rotational speed value, where the second rotational speed value is lower than the first rotational speed value; operating the electric motor at a predetermined motor current value; and operating the controller for closed loop control of the motor power via the motor current with an oscillating action.

Electric Power Tool

Power supplied by a power tool is used to induce a magnetic field in a tool piece attached to the power tool. The magnetic field is produced by an electromagnet coil and can be used to hold items such as screws in position on a tool piece such as a driver bit. 1) A power tool comprising:a power tool body;a tool piece holder;an electromagnet coil configured to generate a magnetic field in a tool piece received in the tool piece holder.2) The power tool in wherein the power tool is an electric drill.3) The power tool in wherein the tool piece holder is a chuck.4) The power tool in wherein the electromagnet coil is housed in the tool body.5) The power tool in wherein the electromagnet coil is positioned outside the tool body.6) The power tool in wherein the electromagnet coil is attached to the tool piece holder.7) The power tool in wherein the electromagnet coil is attached to the tool piece. This application claims priority of U.S. Provisional Patent Application No. 61/880,859, filed Sep. 21, 2013, entitled “Electric power tools” the contents of which are hereby incorporated herein by reference in their entirety.The present invention generally relates to both corded and battery powered power tools. In particular, it relates to the inclusion of an electromagnet coil in a power tool in order to induce magnetic attraction between tool pieces attached to the power tool and other objects.Corded power tools and, more recently, battery powered tools, such as for example hand drills, reciprocating saws, impact drivers, electric screwdrivers, and rotary hammers, have become ubiquitous in industrial as well as residential settings. Such power tools include, for example, the Dewalt DWD112 corded drill/driver, the Milwaukee M12 cordless drill, the Dewalt DW292 impact driver and the Porter Cable Model 9748 reciprocating saw. Such tools are typically fitted with a tool piece such as, for example, a driver bit, a drill bit, a socket or a saw blade to perform various tasks. These ...

BATTERY PACK RELEASE WITH TACTILE FEEDBACK FOR CORDLESS POWER TOOLS

Battery packs include a battery pack housing, at least one battery release member held by the battery housing, a (blind) latch held by the battery pack housing in communication with the battery release member that releaseably locks the battery pack to a device, and a tactile feedback mechanism that is held by the battery pack housing and is in communication with the battery release member. The tactile feedback mechanism generates a tactile feedback that reduces or increases an application force required by a user to manually actuate the at least one release member. The tactile feedback transmitted through the at least one battery release member. The tactile feedback is generated when the at least one release member has been manually actuated by the user a sufficient distance to allow the user to easily remove the battery pack from the device. 1. A battery pack for a device , comprising:a battery pack housing;at least one externally accessible manually actuatable battery pack release member held by the battery pack housing, the battery pack release member having an actuation stroke distance from a home position to a fully deployed position;a latch held by the battery pack housing in communication with or integral to the battery pack release member that releaseably locks the battery pack housing to a device; anda tactile feedback mechanism that is held by the battery pack housing and is in communication with the battery pack release member or defines an externally accessible part of the battery pack release member, wherein the tactile feedback mechanism generates a tactile feedback at a defined trigger point of the battery pack release member that is between the home and fully deployed position that reduces or increases an application force required by a user to manually actuate the at least one release member thereby indicating to the user the latch is in a prescribed position to allow the battery pack to now be easily removed from the device.2. The battery pack of ...

HANDHELD WORK APPARATUS HAVING A DRIVE MOTOR FOR DRIVING A WORK TOOL AND METHOD FOR OPERATING SAID APPARATUS

A handheld work apparatus has a drive motor for driving a tool, an operating element for operating the drive motor, a first inhibiting unit and a second inhibiting unit. Each inhibiting unit has a disable state and an enable state. The operating element is inhibited for operating the drive motor when at least one of the inhibiting units is in its disable state. The work apparatus further has a locking device which locks the first inhibiting unit in its enable state if the second inhibiting unit is in its enable state. A method for operating the work apparatus provides that the first inhibiting unit is locked in its enable state when the first inhibiting unit and the second inhibiting unit are situated in their enable states at the same time. 1. A handheld work apparatus comprising:a work tool;a drive motor for driving said work tool;an operating element for facilitating operation of said drive motor by an operator;a first inhibiting unit having a disable state and an enable state;a second inhibiting unit having a disable state and an enable state;said operating element being disabled when at least one of said inhibiting units is in the disable state corresponding thereto; and,a locking device configured to lock said first inhibiting unit in said enable state thereof when said second inhibiting unit is in said enable state thereof.2. The handheld work apparatus of claim 1 , further comprising a blocking device configured to block a shift of said second inhibiting unit into said enable state thereof when said first inhibiting unit is in said disable state thereof.3. The handheld work apparatus of claim 2 , wherein said blocking device includes an inhibiting contour for blocking the shift of said second inhibiting unit into said enable state thereof.4. The handheld work apparatus of claim 1 , wherein said first and second inhibiting units define respective actuation directions lying transversely to each other.5. The handheld work apparatus of claim 1 , wherein said ...

ACCESSORY CLAMPING MECHANISM AND POWER TOOL HAVING THE SAME

An accessory clamping mechanism for clamping an accessory to a working mandrel of a power tool wherein the working mandrel has a mandrel flange and a first longitudinal axis. The accessory clamping mechanism includes: at least one clamping member; a thrust member for supporting the clamping member; an elastic member by which the thrust member is biased towards a clamped position; a driving assembly for forcing the thrust member and the clamping member to move along the first longitudinal axis, the driving assembly comprising a driving member moved between a first position in which the accessory is in the clamped position and a second position in which the accessory is in a released position, the thrust member and the clamping member being driven by the driving member to move along the first longitudinal axis; and a motion converting member for driving the clamping member to move in a direction different from the first longitudinal axis. 1. An accessory clamping mechanism for clamping an accessory to a working mandrel of a power tool , the working mandrel having a mandrel flange and a first longitudinal axis , wherein the accessory clamping mechanism comprises:at least one clamping member;a thrust member for supporting the clamping member;an elastic member by which the thrust member is biased towards a clamped position;a driving assembly for forcing the thrust member and the clamping member to move along the first longitudinal axis, the driving assembly comprising a driving member moved between a first position in which the accessory is in the clamped position and a second position in which the accessory is in a released position, the thrust member and the clamping member being driven by the driving member to move along the first longitudinal axis; anda motion converting member for driving the clamping member to move in a direction different from the first longitudinal axis;wherein in the clamped position, the accessory is clamped between the mandrel flange and the ...

SYSTEMS AND METHODS FOR CALCULATING USAGE OF POWER TOOLS WITH A SENSOR TAG

A method includes measuring raw sensor information of a tool over a period of time with a sensor tag coupled to an external surface of the tool. The method also includes determining one or more events of the tool based on the raw sensor information and calculating an aggregate time for each type of event from the one or more events determined over the period of time. The method also includes wirelessly transmitting a history of the one or more events from the sensor tag to a remote computing device. The history comprises the aggregate time for each type of event from the one or more types of events over the period of time. 1. A method , comprising:measuring raw sensor information of a tool over a period of time with a sensor tag coupled to an external surface of the tool;determining one or more events of the tool based on the raw sensor information;calculating an aggregate time for each type of event from the one or more events determined over the period of time; andwirelessly transmitting a history of the one or more events from the sensor tag to a remote computing device, wherein the history comprises the aggregate time for each type of event from the one or more types of events over the period of time.2. The method of claim 1 , wherein the type of event comprises an idle event claim 1 , and wherein the idle event comprises a duration of time during which the tool is idle.3. The method of claim 1 , wherein the type of event comprises a usage event claim 1 , and wherein the usage event comprises a duration of time during which the tool is utilized by an operator.4. The method of claim 1 , wherein the type of event comprises a transportation event claim 1 , and wherein the transportation event comprises a duration of time during which the tool is transported from one location to another.5. The method of claim 1 , wherein the remote computing device is a smartphone claim 1 , a mobile phone claim 1 , a tablet claim 1 , a desktop computer or any processor-enabled ...

POWER TOOL

It is an object of the invention to provide a power tool capable of preventing damage of a switching element while maintaining drive power of a motor even when being connected to a power supply of different voltage. An impact driver includes a motor ; a rectifying circuit ; an inverter circuit ; and an arithmetic part . The rectifying circuit is configured to rectify an input voltage from a commercial power supply . The inverter circuit is configured to supply a rectified voltage output from the rectifying circuit to the motor as drive power. The arithmetic part is configured to suppress occurrence of overcurrent where current flowing through the motor exceeds a predetermined current value. 1. A power tool comprising:a motor;a rectifying circuit configured to rectify an input voltage from a commercial power supply; anda supply unit configured to supply a rectified voltage output from the rectifying circuit to the motor as drive power,wherein duty control for the motor is changed according to a voltage of the commercial power supply.2. The power tool according to claim 1 , wherein a duty ratio applied to the motor is changed according to the voltage of the commercial power supply claim 1 ,wherein the duty ratio is set to a first duty ratio when the voltage of the commercial power supply is a first voltage value, and the duty ratio is set to a second duty ratio when the voltage of the commercial power supply is a second voltage value, the second duty ratio being smaller than the first duty ratio.3. (canceled)4. The power tool according to claim 1 , wherein the higher the voltage of the commercial power supply is claim 1 , the smaller the duty ratio is set.5. The power tool according to claim 1 , wherein the duty ratio is maintained at constant until the voltage of the commercial power supply is a predetermined voltage claim 1 , and the duty ratio is decreased with increasing the voltage of the commercial power supply when the voltage of the commercial power supply is ...

ELECTRIC POWER TOOL

It is an object to provide an electric power tool with improved workability in a dark place. In an electric power tool that includes a housing extending in a longitudinal direction and accommodating a motor, a spindle driven by the motor and protruding downward from a front end of the housing, and a distal end tool coupled to an end of the spindle, a light-emitting diode (LED) capable of emitting light downward is provided in an upper part of a front of the housing. The LED is disposed rearward of a front end face of the housing in the longitudinal direction. 1. An electric power tool , comprising:a housing extending in a longitudinal direction;a motor accommodated in the housing;an output shaft that protrudes downward from a front end of the housing and that is driven by the motor;a distal end tool coupled to an end of the output shaft; anda lighting body provided in an upper part of a front of the housing and capable of configured to emit light downward.2. The electric power tool according to claim 1 , whereinthe lighting body is disposed rearward of a front end face of the housing in the longitudinal direction.3. The electric power tool according to claim 1 , whereinan accommodating recess that is tilted obliquely downward toward the front of the housing so as to open downward is formed in the upper part of the front of the housing, and the lighting body is accommodated in the accommodating recess.4. The electric power tool according to claim 2 , whereinan accommodating recess that is tilted obliquely downward toward the front of the housing so as to open downward is formed in the upper part of the front of the housing so as to be located rearward of the front end face of the housing in the longitudinal direction, and the lighting body is accommodated in the accommodating recess.5. The electric power tool according to claim 3 , whereinthe lighting body is a light-emitting diode.6. The electric power tool according to claim 1 , whereina rotation operation portion ...

ELECTRIC DRIVER DRILL

The drill includes a motor, a spindle rotatable with a rotational force transmitted from the motor, a clutch assembly that disables transmission of the rotational force to the spindle in response to a rotational load on the spindle reaching a release value and including an elastic member that adjusts the release value, and a change ring switchable from a clutch mode in which the clutch assembly is operable to a nonclutch mode in which the clutch assembly is inoperable in response to the change ring operated in a forward rotation direction. In the clutch mode, the elastic member elastically deforms to reduce the release value in response to the change ring operated in the forward rotation direction, and to increase the release value in response to the change ring operated in a backward rotation direction. 1. An electric driver drill , comprising:a motor;a spindle configured to rotate with a rotational force transmitted from the motor;a clutch assembly configured to disable transmission of the rotational force to the spindle in response to a rotational load on the spindle reaching a release value, the clutch assembly including an elastic member configured to adjust the release value; anda change ring configured to switch from a clutch mode in which the clutch assembly is operable to a nonclutch mode in which the clutch assembly is inoperable in response to being operated in a forward rotation direction,wherein in the clutch mode, the elastic member elastically deforms to reduce the release value in response to the change ring being operated in the forward rotation direction, and elastically deforms to increase the release value in response to the change ring being operated in a backward rotation direction.2. The electric driver drill according to claim 1 , whereinthe elastic member includes a coil spring stretchable in the clutch mode to reduce the release value in response to the change ring being operated in the forward rotation direction, and compressible in the ...

METHOD FOR REGULATING A SPEED OF AN ELECTRIC MOTOR OF A POWER TOOL

A method for regulating a speed of an electric motor of a power tool, the speed of the electric motor being established as a function of an actuation of a control device, the control device being actuated in such a way that a speed is requested which is less than a maximum speed, the speed being set in such a way that, in a first speed range upon an increase of the torque output by the electric motor, the speed decreases with a first negative slope, the speed being set in a second speed range in such a way that the speed proceeds with a second slope upon an increase of the output torque, the second slope being greater than the first slope when considered mathematically. 1. A method for regulating a speed of an electric motor of a power tool , comprising:establishing the speed of the electric motor as a function of an actuation of a control device, the control device being actuated in such a way that a speed is requested which is less than a maximum speed, the speed being set in such a way that, in a first speed range upon an increase of torque output by the electric motor, the speed decreases with a first negative slope, the speed being set in a second speed range in such a way that the speed extends with a second slope upon an increase of the output torque, the second slope being greater than the first slope when considered mathematically.2. The method as recited in claim 1 , wherein claim 1 , in the first speed range claim 1 , the speed increases with the first slope upon a decrease of the output torque claim 1 , and the speed extends with the second slope in the second speed range upon a decrease of the output torque.3. The method as recited in claim 1 , wherein the speed is kept approximately constant in the second speed range claim 1 , so that the second slope has a value of zero.4. The method as recited in claim 1 , wherein a third speed range is provided claim 1 , in the third speed range claim 1 , the speed being set in such a way that with an increase of ...

POWER TOOL AND METHOD FOR PRODUCING THE SAME

A power tool () and a method of producing such power tool capable of improving dust proof performance with respect to a circuit board () and a stator coil (B), and capable of securing cooling performance to the circuit board. The power tool includes a brushless motor () having a hollow stator (), a rotor () positioned in an internal space of the stator, and a motor driver circuit connected to the stator. The stator includes a coil (B) electrically connected to the mo- for driver circuit. The coil is coated with a coating agent (D), and the motor driver circuit is covered with an insulation cover member (D). 1. A power tool including a brushless motor configured to drive an end bit , the brushless motor comprising:a stator having a hollow cylindrical shape providing an internal space and provided with a coil;a rotor positioned in the internal space; anda circuit board connected to the stator, the coil being electrically connected to the circuit board, wherein the coil is covered with a first resin material.2. The power tool as claimed in claim 1 , wherein the circuit board in its entirety is covered with a second resin material.3. The power tool as claimed in claim 2 , wherein the coil is connected to the circuit board such that a part of the first resin material is covered with the second resin material.4. The power tool as claimed in claim 1 , wherein the first resin material comprises a thermosetting resin.5. The power tool as claimed in claim 1 , wherein the first resin material comprises a resin curable upon mixing a base resin with a curative agent.6. A power tool including a brushless motor configured to drive an end bit claim 1 , the brushless motor comprising:a stator having a hollow cylindrical shape providing an internal space;a rotor positioned in the internal space; anda circuit board connected to the stator and provided with a plurality of switching elements, wherein the circuit board in its entirety is covered with a resin material.7. The power tool as ...

POWER TOOL AND KICKBACK DETECTION METHOD THEREFOR

A power tool and a detection method for the power tool. The detection method includes collecting acceleration data, via use of an acceleration sensor of the power tool, along a tangential direction of a rotation axis of a working portion of the power tool, determining whether a proportion of the collected acceleration data that exceeds a first acceleration threshold in a preset time window exceeds a preset value, and determining that a kickback occurs in the power tool when the proportion exceeds the preset value. 1. A detection method for a power tool , comprising:collecting acceleration data, via use of an acceleration sensor of the power tool, along a tangential direction of a rotation axis of a working portion of the power tool;determining whether a proportion of the collected acceleration data that exceeds a first acceleration threshold in a preset time window exceeds a preset value; anddetermining that a kickback occurs in the power tool when the proportion exceeds the preset value.2. The method according to claim 1 , wherein the detected acceleration data is a numeric signal.3. The method according to claim 1 , wherein determining whether a proportion of the collected acceleration data that exceeds a first acceleration threshold in a preset time window exceeds a preset value comprises filtering the acceleration data and discretizing the filtered acceleration data to obtain discrete data of acceleration and determining whether a proportion of the discrete data exceeding the first acceleration threshold in the preset time window exceeds the preset value.4. The method according to claim 1 , wherein determining whether a proportion of the collected acceleration data that exceeds a first acceleration threshold in a preset time window exceeds a preset value comprises low-pass filtering the acceleration data to obtain filtered acceleration data and determining whether a proportion of the filtered acceleration data exceeding a second acceleration threshold in the ...

ELECTRIC MACHINE TOOL AND METHOD FOR CONTROLLING THE ELECTRIC MACHINE TOOL

In a method for controlling an electric machine tool having an electric motor for driving a rotating insertion tool, the electric machine tool is operated in one of multiple operating modes, and at least one parameter of the machine tool is detected. The instantaneous operating state of the electric machine tool is ascertained and evaluated based on the detected parameter. A protective function is activated when the presence of a critical operating situation is recognized during the evaluation of the instantaneous operating state. The instantaneous operating mode of the electric machine tool is detected, and the evaluation of the instantaneous operating state is adapted in each case to the instantaneous operating mode. 1. A method for controlling an electric machine tool having an electric motor for driving a rotating insertion tool , comprising:operating the electric machine tool in one of multiple predefined operating modes;detecting an instantaneous operating mode of the electric machine tool;detecting at least one parameter of the machine tool;evaluating an instantaneous operating state of the electric machine tool based on the at least one detected parameter of the machine tool; andactivating a protective function when a presence of a critical operating situation is recognized during the evaluation of the instantaneous operating state;wherein the evaluation of the instantaneous operating state of the electric machine tool is adapted in each case to the detected instantaneous operating mode.2. The method as recited in claim 1 , wherein at least one of (i) different evaluation methods and (ii) different evaluation circuits are used for evaluating the instantaneous operating state in different operating modes of the electric machine tool.3. The method as recited in claim 1 , wherein a kickback event caused by jamming of the rotating insertion tool in the machine tool is recognized as a critical operating situation claim 1 , and wherein the activation of the ...

BATON-SHAPED HAND-HELD POWER TOOL HAVING A SLIDING SWITCH FOR SWITCHING A DRIVE MOTOR ON AND OFF

A hand-held power tool includes a housing and a sliding switch. A drive motor configured to drive an associated tool insert is arranged in the housing. The sliding switch is configured to switch the drive motor on and off. The sliding switch is configured to assume a multiplicity of operating positions. A rotational speed of the drive motor is varied by varying the operating position of the sliding switch. 1. A baton-shaped hand-held power tool , comprising:a housing in which a drive motor for driving an associated tool insert is arranged; anda sliding switch configured to switch the drive motor on and off,wherein the sliding switch is configured to assume a multiplicity of operating positions,wherein a rotational speed of the drive motor is varied by varying the operating position of the sliding switch such that the rotational speed is adjustable between a zero value, at least one intermediate value and a maximum value.2. The hand-held power tool according to claim 1 , wherein:upon attainment of the zero value of the rotational speed, the sliding switch is in a first end position, andupon attainment of the maximum value of the rotational speed, the sliding switch is in a second end position.3. The hand-held power tool according to claim 1 , wherein the sliding switch is mounted on the housing so as to be displaceable parallel to and transversely with respect to a longitudinal central axis of the housing.4. The hand-held power tool according to claim 1 , wherein displacing the sliding switch adjusts the rotational speed between the zero value and the maximum value in one of a continuously variable fashion and claim 1 , with detent action claim 1 , steps.5. The hand-held power tool according to claim 1 , wherein the maximum value of the rotational speed is predefined at least in two to ten fixed rotational speed steps.6. The hand-held power tool according to claim 2 , wherein the sliding switch is configured to lock in the first end position with detent action when ...

METHOD FOR CONTROLLING AN ELECTRIC MOTOR OF A POWER TOOL

A method for controlling an electric motor of a power tool having a receptacle for a tool, at least a current of the electric motor and/or a rotation speed of the electric motor during an impact operating mode of the electric motor being detected as a parameter, a driving time of the electric motor for the impact operating mode being specified as a function of the detected parameter. A method is also described for controlling an electric motor of a power tool having a receptacle for a tool for unscrewing a screw from a mating part. 1. A method for controlling an electric motor of a power tool having a receptacle for a tool for unscrewing a screw from a mating part , the method comprising:stopping electric motor in the context of unscrewing a screw when the torque delivered by the electric motor decreases below a predefined limit value or when the screw has been unscrewed a predefined number of revolutions out of a seated position.2. The method as recited in claim 1 , wherein at least one of the limit value and the number of revolutions is specified by an operator.3. The method as recited in claim 1 , further comprising:detecting the delivered torque on the basis of a current that is consumed by the electric motor, and the rotation speed of the electric motor being at least reduced when the current decreases below a limit value.4. The method as recited in claim 3 , wherein the torque is ascertained on the basis of a change over time in a current that is consumed by the electric motor in the context of unscrewing the screw claim 3 , and the rotation speed of the electric motor is at least reduced when the current decreases faster than a time-related comparison gradient.5. The method as recited in claim 4 , wherein at least one of the limit value and the comparison gradient is specified as a function of a seating torque of the screw.6. A method for controlling an electric motor of a power tool having a receptacle for a tool for unscrewing a screw from a mating part ...

Tool

A tool includes a switch. The switch is configured to cause an electric component to operate. The switch includes a switch manipulation part, a load sensor and a load adjusting mechanism. The switch manipulation part is configured to manipulate the switch. The load sensor is configured to detect a load corresponding to a pressing force according to a manipulation of the switch manipulation part. The load adjusting mechanism is configured to move the load sensor relative to the switch manipulation part along a direction where the switch manipulation part and the load sensor are spearated from each other, according to a magnitude of the pressing force applied to the load sensor.

POWER DRILL

A power drill shiftable between at least two operational modes has a drill housing, a brushless dc motor in the housing, a drive spindle rotatable about an axis, and a chuck body adjacent the housing. Two elements interconnected by a screwthread are relatively axially shiftable on relative rotation about the axis, and gripping jaws between the chuck body and one of the elements are relatively shiftable radially of the axis on relative axial shifting of the elements. A drive sleeve rotatable by the motor about the axis is connected to the other of the elements. A member is shiftable between positions corresponding to the operational modes of the power drill. A sensor detects which mode the power drill is in, and motor-control means connected between the sensor and the motor adjusts a parameter of the motor as a function of the mode detected by the sensor. 1. A power drill shiftable between at least two operational modes , the drill comprising:a drill housing;a brushless dc motor in the housing;a drive spindle rotatable about an axis;a chuck body adjacent the housing;two elements interconnected by a screwthread and relatively axially shiftable on relative rotation about the axis;gripping jaws engaged between the chuck body and one of the elements and relatively shiftable radially of the axis on relative axial shifting of the elements;a drive sleeve rotatable by the motor about the axis and connected to the other of the elements;a member shiftable between positions corresponding to the operational modes of the power drill;a sensor for detecting which mode the power drill is in; andmotor-control means connected between the sensor and the motor for adjusting a parameter of the motor as a function of the mode detected by the sensor.2. The power drill defined in claim 1 , wherein the member is a mode-adjust member shiftable on the housing.3. The power drill defined in claim 1 , wherein the member indicates the mode of the power drill.4. The power drill defined in claim 1 , ...

REMOTE PROGRAMMING OF A POWER TOOL

A method is provided for controlling operation of a power tool, such as a drill driver. The method begins with one or more descriptors for a fastening application being received by a controller residing in the power tool, where the descriptors are indicative of a fastening application to be performed by the power tool and are received via a wireless data link from a computing device located remotely from the power tool. The descriptors are translated into a threshold value used by a fastener setting algorithm and the threshold value is stored in a data store of the power tool. During a subsequent fastening operation performed using the tool, an operating parameter of the power tool is monitored and evaluated in accordance with the fastener setting algorithm, including the updated threshold value. Example operating parameters include current delivered to the motor and speed of the motor. 1a drill comprising, a housing, which houses a motor and forms a handle and a chuck configured to hold a bit, the chuck being selectively driven by the motor;the drill including a controller and a wireless transceiver;wherein the drill includes at least a drill mode and an automated drive mode;. A drill system, comprising: This application is a continuation of U.S. application Ser. No. 14/445,735 filed Jul. 29, 2014, which claims the benefit of continuation-in-part of International Application No. PCT/US13/23798, filed Jan. 30, 2013, which claims the benefit of U.S. Provisional Application No. 61/592,127 filed on Jan. 30, 2012. This application also claims the benefit of U.S. Provisional Application No. 61/898,152 filed on Oct. 31, 2013. The entire disclosure of each of the above applications is incorporated herein by reference.The present disclosure relates to techniques for remote programming of power tools.Power tools typically include controllers which are used to monitor and control various operating conditions of the tool. Control algorithms and parameters associated therewith ...

HAND-HELD POWER TOOL INCLUDING A SPRING DETENT MECHANISM

A hand-held power tool including a tool housing in which a drive motor is situated for driving a drive spindle provided with a tool holder, the tool holder being designed for accommodating an insertion tool, and including a spring detent mechanism which is assigned to the drive spindle and includes at least one spring element, the at least one spring element being compressible, in at least one operating mode of the hand-held power tool, at least in phases, with the aid of energy of the drive motor, a fan wheel is provided, which is provided at least for cooling the drive motor, at least 20 percent by volume of the fan wheel including a metal having a density which is greater than or equal to 3.5 g/cm. 1. A hand-held power tool , comprising:a tool housing in which a drive motor is situated for driving a drive spindle provided with a tool holder, the tool holder being designed for accommodating an insertion tool;a spring detent mechanism which is assigned to the drive spindle and includes at least one spring element, the at least one spring element being compressible, in at least one operating mode of the hand-held power tool, at least in phases, with the aid of energy of the drive motor; and{'sup': '3', 'a fan wheel to cool the drive motor, at least 20 percent by volume of the fan wheel including a metal having a density which is greater than or equal to 3.5 g/cm.'}2. The hand-held power tool as recited in claim 1 , wherein the fan wheel includes at least one of zinc claim 1 , a zinc alloy claim 1 , brass claim 1 , and steel.3. The hand-held power tool as recited in claim 1 , wherein the fan wheel includes a flange for forming a force-locked connection to a drive shaft assigned to the drive motor.4. The hand-held power tool as recited in claim 3 , wherein the fan wheel includes a composite material which includes at least one of plastic or two different metals.5. The hand-held power tool as recited in claim 1 , wherein a gear unit is situated between the drive motor ...

Machine Tool Device

A machine tool device includes at least one motor-driven machining tool; at least one sensor unit, in particular a capacitive sensor unit, which is configured to detect at least one foreign body in at least one detection area around the machining tool; and at least one open-loop and/or closed-loop control unit configured to trigger at least one action in accordance with at least one signal from the sensor unit. The sensor unit includes at least one antenna configured to emit at least one electric and/or magnetic field defining the at least one detection area and/or to detect the at least one foreign body in accordance with at least one change in at least one electric and/or magnetic field. 1. A power tool device comprising:at least one motor-drivable machining tool;at least one sensor unit configured to sense at least one foreign body in at least one detection area around the at least one machining tool; andat least one open-loop and/or closed-loop control unit configured to trigger at least one action based on at least one signal from the at least one sensor unit,wherein the at least one sensor unit comprises at least one antenna configured (i) to emit at least one electric and/or magnetic field defining the at least one detection area, and/or (ii) to sense the at least one foreign body based on at least one change in the at least one electric and/or magnetic field.2. The power tool device as claimed in claim 1 , wherein the at least one sensor unit further comprises at least one field shielding element formed integrally with the at least one antenna and configured to shield the at least one electric and/or magnetic field emitted by the at least one antenna in at least one emission direction.3. The power tool device as claimed in claim 1 , wherein the at least one sensor unit further comprises at least one electrical or electronic shielding circuit configured to shield the at least one electric and/or magnetic field emitted by the at least one antenna in at least ...

TOOL

The invention relates to a hydraulically or electric motor operated tool (), for example a crimping device, with a device shaft () that exhibits at least a first and second electrical contact, and with an accumulator () that can be latched with the device shaft (), wherein an adapter () that can be secured by a latching connection to the device shaft () and accumulator () is provided on the device shaft () between the device shaft () and accumulator (). In order to indicate a favorable connection between an adapter and a device shaft of such a device, it is proposed that the latched connection with the device shaft () can only be released by acting on a detaching part situated inside the adapter (). 1. A hydraulically or electric motor operated tool comprising:a device shaft having at least first and second electrical contacts;an accumulator capable of being latched with the device shaft:an adapter capable of being secured by a latching connection to the device shaft and to the accumulator, said adapter provided between the device shaft and the accumulator;wherein the latching connection with the device shaft can only be released by acting on a detaching part provided inside the adapter.2. The tool according to claim 1 , wherein latching connection cannot be released without destroying part of the adapter.3. The tool according to claim 1 , wherein the latching connection can only be released by a tool that engages into an interior of the adapter.4. The tool according to claim 1 , wherein at least a side of the adapter facing the accumulator exhibits contacts for acquiring values about the temperature and/or charging status of the accumulator claim 1 , said contacts capable of transmitting said values.5. The tool according to claim 1 , wherein the adapter is capable of interrupting a power supply to the tool.6. The tool according to claim 1 , wherein in the accumulator has a power switch.7. The tool according to claim 6 , wherein the power switch automatically ...

POWER TOOLS AND METHODS FOR CONTROLLING THE SAME

A power tool includes a body, a motor, a sensor and a processor. The body includes an accessory coupler. The motor is coupled to the body and is configured to drive the accessory coupler. The sensor is coupled to the body and is configured to acquire data regarding a material property of a work piece. The processor is configured to control an operating parameter of the power tool based on the acquired data. 1. A power tool , comprising:a body including an accessory coupler;a motor coupled to the body and configured to drive the accessory coupler;a sensor coupled to the body and configured to acquire data regarding a material property of a work piece; anda processor configured to control an operating parameter of the power tool based on the acquired data.2. The power tool of claim 1 , wherein the operating parameter is at least one of a speed of the motor claim 1 , a force of the motor claim 1 , a feed rate for the power tool claim 1 , or a flow of cutting fluid for the power tool.3. The power tool of claim 1 , wherein the processor is configured to provide a recommendation to a user of the power tool based on the work piece data.4. The power tool of claim 3 , wherein the recommendation is at least one of a recommended accessory size or type claim 3 , a speed of the motor claim 3 , a feed rate for the power tool claim 3 , or a flow rate of cutting fluid for the power tool.5. The power tool of claim 1 , wherein the sensor is configured to acquire the data by a non-contact sensing technique.6. (canceled)7. The power tool of claim 1 , wherein the sensor is configured to acquire the data by a contact sensing technique.8. (canceled)9. The power tool of claim 1 , wherein the sensor is configured to detect a characteristic associated with an interaction between the power tool and the work piece.10. The power tool of claim 9 , wherein the characteristic includes at least one of a noise claim 9 , a force claim 9 , a temperature of the work piece claim 9 , a size of the work ...

Easy hole start operation for drilling power tools

A power tool, such as a drilling power tool, configured to perform an easy hole start operation upon actuation of a trigger. When the trigger is actuated, the motor is driven at a low speed value. The motor speed is increased to a second speed value during a predetermined time threshold and then driven at the second speed value until the trigger is no longer actuated. In some embodiments, the easy hole start operation may be implemented by an easy hole start switch. In some embodiments, if the easy hole start operation persists for a time greater than a predetermined time threshold, then the motor will shut off.

ELECTRIC WORKING MACHINE AND VOLTAGE SUPPRESSOR CIRCUIT FOR ELECTRIC WORKING MACHINE

An electric working machine in one aspect of the present disclosure includes a main current-path, a driving unit including a motor and at least one first semiconductor-switching-element, a controller, a bypass current-path, a second semiconductor-switching-element, and a switch driver. The main current-path is arranged between a positive electrode and a negative electrode of a battery. The driving unit is situated in the main current path. The bypass current-path is arranged in parallel with the driving unit. The second semiconductor-switching-element is situated in the bypass current-path. The switch driver causes the second semiconductor-switching-element to interrupt the bypass current-path in an event that a voltage value of a drive voltage applied to the driving unit is less than a threshold value, and causes the second semiconductor-switching-element to complete the bypass current-path in an event that the voltage value is equal to or greater than the threshold value. 1. An electric working machine comprising:a main current path arranged between a positive electrode and a negative electrode of a battery;a driving unit situated in the main current path, the driving unit including a motor situated in the main current path, and at least one first semiconductor switching element situated upstream and/or downstream of the motor in the main current path;a controller configured to turn ON or OFF the at least one first semiconductor switching element to thereby control drive of the motor;a bypass current path arranged in parallel with the driving unit;a second semiconductor switching element situated in the bypass current path and configured to complete or interrupt the bypass current path; anda switch driver configured to cause the second semiconductor switching element to interrupt the bypass current path in response to a voltage value of a drive voltage being less than a threshold value, the switch driver further configured to cause the second semiconductor ...

Electrical Tools

An electrical tool including: a cutter bit assembly, a driving mechanism for providing a power to the cutter bit assembly, and a flexible transmission mechanism, which is connected at one end thereof to the driving mechanism and connected at the other end thereof to the cutter bit assembly; the flexible transmission mechanism is twistable and bendable, and is configured to transmit the power provided by the driving mechanism to the cutter bit assembly. 1. An electrical tool comprising:a cutter bit assembly,a driving mechanism for providing a power to the cutter bit assembly, anda flexible transmission mechanism, which is connected at one end thereof to the driving mechanism and connected at the other end thereof to the cutter bit assembly; the flexible transmission mechanism is twistable and bendable, and is configured to transmit the power provided by the driving mechanism to the cutter bit assembly.2. The electrical tool according to claim 1 , wherein the flexible transmission mechanism comprises a flexible transmission piece having a plurality of rigid support portions and a flexible connecting piece claim 1 , and each two adjacent rigid support portions are connected by the flexible connecting piece to achieve an adjustment of torsion and bending between the two adjacent rigid support portions.3. The electrical tool according to claim 2 , wherein the flexible connecting piece comprises a flexible cord claim 2 , and the plurality of rigid support portions comprises a plurality of rigid balls with a through hole on each of the rigid balls claim 2 , wherein the rigid balls are mounted on the flexible cord sequentially and successively and are bonded with the flexible cord.4. The electrical tool according to claim 2 , wherein the flexible transmission mechanism further comprises a bushing sleeved outside the flexible transmission piece claim 2 , wherein the rigid support portions may support the bushing.5. The electrical tool according to claim 4 , wherein the ...

POWER TOOLS AND HAND OPERATED ELECTRICAL DEVICES

A power tool () comprises a motor for driving a driven element of the power tool () and a handle section (), wherein the power tool () incorporates first and second pressure sensitive switches (18,20) operable to control operation of the motor. 1. A power tool comprises a motor for driving a driven element of the power tool and a handle section , wherein the power tool incorporates first and second pressure sensitive switches operable to control operation of the motor.2. The power tool as claimed in which is a portable power tool.3. The power tool as claimed in claim 1 , in which the pressure sensitive switches include at least one variable resistance switch.4. The power tool as claimed in claim 1 , in which the pressure sensitive switches include at least one switch having a resistance that varies according to an amount of pressure applied to the switch.5. The power tool as claimed in claim 1 , in which the pressure sensitive switches include at least one switch comprising a pressure sensitive composite material.6. The power tool as claimed in claim 1 , in which one of the switches is adapted to cause the motor to drive in a forward direction and one of the switches is adapted to cause the motor to drive a reverse direction.7. The power tool as claimed in claim 1 , which is adapted to enable power to be provided to the motor only after both of the first and second pressure sensitive switches have been activated.8. The power tool as claimed in claim 1 , in which one of the switches is operable to power-up a control circuit of the power tool when depressed.9. The power tool as claimed in claim 1 , in which at least one of the switches comprises a sensor element claim 1 , which incorporates a pressure sensing material.10. The power tool as claimed in claim 1 , in which the at least one switch includes a resilient contact element adapted to contact the sensor element in response to pressure exerted by a user.11. The power tool as claimed in claim 10 , in which the ...

POWER TOOL OPERATION RECORDING AND PLAYBACK

A power tool and method for recording and playing back a motor parameter. The power tool includes housing, a motor, a trigger, a mode selector switch, and a controller. The trigger outputs an activation signal based on a user input. The mode selector switch is configured to receive a user mode selection indicating a recording mode, a normal operating mode, or a playback mode. The controller receives a mode selection signal from the mode selector switch indicating the selected mode. The controller enters the recording mode when the user mode selection indicates the recording mode, and records a motor parameter while the power tool is in the recording mode to generate a recorded motor parameter. In the playback mode, the controller operates the motor based on the recorded motor parameter upon receiving the activation signal from the trigger. 1. A power tool comprising:a tool housing defining a cavity;a motor positioned within the cavity;a trigger coupled to the tool housing, the trigger configured to output an activation signal based on a user input;a mode selector switch configured to receive a user mode selection, the user mode selection indicating an operating mode selected from the group of a recording mode, a normal operating mode, and a playback mode; and receive a mode selection signal from the mode selector switch, the mode selection signal indicative of the user mode selection for the power tool,', 'enter the recording mode when the user mode selection indicates the recording mode,', 'record a motor parameter while the power tool is in the recording mode and the motor is operating to generate a recorded motor parameter,', 'enter the playback mode when the user mode selection indicates the playback mode, and', 'operate the motor based on the recorded motor parameter upon receiving the activation signal from the trigger while the power tool is in the playback mode., 'a controller coupled to the trigger, the mode selector switch, and the motor, the controller ...

Adapter for Transferring Electrical Signals to Pneumatic Tool

In one illustrative embodiment, an adapter for transferring electrical signals to a pneumatic tool may comprise a housing having a tool interface and a charger interface, the tool interface shaped to receive a portion of the pneumatic tool, the charger interface shaped to be received by a charger unit that is configured for charging a battery of an electric tool, a tool connector disposed at the tool interface and configured to be removably coupled to electronics of the pneumatic tool, a charger connector disposed at the charger interface and configured to be removably coupled to electronics of the charger unit, and an adapter circuit disposed within the housing and coupled to both the tool connector and the charger connector, wherein the adapter circuit is configured to receive a first power signal via the charger connector and to supply a second power signal via the tool connector. 1. An adapter for transferring electrical signals to a pneumatic tool comprising:a housing having a tool interface and a charger interface, the tool interface shaped to receive a portion of the pneumatic tool, the charger interface shaped to be received by a charger unit that is configured for charging a battery of an electric tool;a tool connector disposed at the tool interface and configured to be removably coupled to electronics of the pneumatic tool;a charger connector disposed at the charger interface and configured to be removably coupled to electronics of the charger unit; andan adapter circuit disposed within the housing and coupled to both the tool connector and the charger connector, wherein the adapter circuit is configured to receive a first power signal via the charger connector and to supply a second power signal via the tool connector.2. The adapter of claim 1 , wherein the second power signal is the first power signal.3. The adapter of claim 1 , wherein the adapter circuit comprises a transformer claim 1 , the first power signal has a first magnitude claim 1 , and the ...

WIRELESS CHARGER

A power tool system includes a power tool, a power tool battery pack and a wireless charger for charging an electronic device. The power tool battery pack is separable from and attachable to the power tool, and electrically connectable to the power tool electrical terminals when attached to the power tool. The battery pack charger is connectable to the power tool battery pack and has at least one transmitter coil for generating a magnetic field which induces a voltage in a receiver coil of the electronic device, and a control circuit for controlling the amount of power that is provided to the transmitter coil. 1: A power tool system comprising:a power tool having a housing and electrical terminals disposed within the power tool;a power tool battery pack separable from and attachable to the power tool housing, the power tool battery pack being electrically connectable to the power tool electrical terminals when attached to the power tool; anda wireless charger for charging an electronic device, the wireless charger being connectable to the power tool battery pack and comprising at least one transmitter coil for generating a magnetic field which induces a voltage in a receiver coil within the electronic device, and a control circuit for controlling the amount of power that is provided to the transmitter coil.2: The power tool system of claim 1 , wherein the power tool is at least one of the group consisting of a drill claim 1 , a circular saw claim 1 , a reciprocating saw and a jigsaw.3: The power tool system of claim 1 , wherein the electronic device has a communication circuit providing control information to the wireless charger control circuit.4: The power tool system of claim 3 , wherein the wireless charger has a communication circuit that receives information from the electronic device communication circuit.5: The power tool system of claim 4 , wherein the wireless charger communication circuit demodulates control information from a modulated load signal. The ...

Railroad Track Rail Drill

A rail drill drive train can include a common drive end between a single drive motor and a common gear. A speed train end can extend from the common gear to rotate the drill spindle. A feed train end can independently extend from the common gear to advance and retract the drill spindle. The speed train end can include a sprag gear so that, without unmeshing any gears, the drill spindle is not unnecessarily rotated in the reverse direction when the drive motor is reversed to retract the drill spindle. A rail drill control circuit and related sensors can enable automatic operation throughout the complete drilling cycle without any manual input from the user other than starting the cycle. Such a fully automatic drilling cycle can minimize overall cycle time to preserve battery life and can free the user to perform other tasks between drill moving and clamping operations.

Portable Power Drill With Pump

An example cordless portable power drill is provided. The drill may include a drill chassis, and a spindle mounted to the drill chassis. The spindle may be configured to drive a working bit. The drill may also include an exit port configured to direct a flow of a substance towards the working bit and an electric motor mounted to the drill chassis and operably configured to rotate the spindle. The drill may also include a pump mounted to the drill chassis. The pump may be fluidly coupled to the exit port, and the pump may be configured to pressurize the substance for output via the exit port to cool the working bit or remove debris created by the working bit through interaction with a workpiece. 1. A cordless portable power drill comprising:a drill chassis;a spindle mounted to the drill chassis, the spindle configured to drive a working bit;an exit port configured to direct a flow of a substance towards the working bit;an electric motor mounted to the drill chassis and operably configured to rotate the spindle; anda pump mounted to the drill chassis, the pump being fluidly coupled to the exit port, wherein the pump is configured to pressurize the substance for output via the exit port to cool the working bit or remove debris created by the working bit through interaction with a workpiece.2. The cordless power drill of further comprising a battery configured to power the electric motor.3. The cordless power drill of wherein the pump comprises an air compressor.4. The cordless power drill of wherein the pump comprises a piezoelectric pump.5. The cordless power drill of further comprising a storage tank fluidly coupled to the pump and the exit port claim 1 , the storage tank being configured to retain at least a component of the substance in a pressurized state;wherein the pump is further configured to force the at least a component of the substance into the storage tank to pressurize the at least a component of the substance.6. The cordless power drill of claim 5 , ...

POWER TOOL SYSTEM AND BATTERY PACK THEREOF

A power tool system and a battery pack. The battery pack includes a housing provided with a socket, and two battery cell groups received in the housing. Each battery cell group has a positive electrode and a negative electrode. The socket has four conductive terminals respectively and electrically connected to the electrodes of two battery cell groups. Two battery cell groups can be switched between isolated state and series connected state to output two different voltages through two conductive terminals with different polarities being disconnected or connected to each other, and the two conductive terminals with different polarities are respectively connected to two battery cell groups. 1. A battery pack , comprising:a housing having a socket located thereon, the socket having a plurality of terminals received therein, the terminals including four conductive terminals; andtwo battery cell groups received in the housing and each having a positive electrode and a negative electrode respectively and electrically connected to the corresponding conductive terminal of the socket;wherein two battery cell groups can be switched between isolated state and series connected state to output two different voltages through two conductive terminals with different polarities being disconnected or connected to each other, and wherein the two conductive terminals with different polarities are respectively connected to two battery cell groups.2. The battery pack according to claim 1 , wherein the two conductive terminals with different polarities are adjacent and separate to each other claim 1 , and wherein two battery cell groups are isolated with each other in the battery pack and output a low voltage.3. The battery pack according to claim 2 , wherein four conductive terminals are arranged adjacent to each other claim 2 , and wherein the two conductive terminals with different polarities are located in the middle claim 2 , and wherein two adjacent conductive terminals located on ...

TOOL INCLUDING LOAD SENSOR

A tool includes a switch and a controller. The switch is configured to cause an electric component to operate. The switch includes a switch manipulation part and a load sensor. The switch manipulation part is configured to manipulate the switch. The load sensor is configured to detect a load corresponding to a pressing force according to a manipulation of the switch manipulation part. The controller is configured to correct an output corresponding to the load detected by the load sensor. The switch is configured to cause the electric component to operate based on the output corrected by the controller. 1. A tool comprising:a switch that is configured to cause an electric component to operate; anda controller, a switch manipulation part that is configured to manipulate the switch; and', 'a load sensor that is configured to detect a load corresponding to a pressing force according to a manipulation of the switch manipulation part, and, 'wherein the switch includeswherein the controller is configured to correct an output corresponding to the load detected by the load sensor, andwherein the switch is configured to cause the electric component to operate based on the output corrected by the controller.2. The tool according to claim 1 , whereinthe controller is configured to correct the output of the load sensor based on comparison between the output of the load sensor in a predetermined load and a reference value.3. The tool according to claim 2 , whereinthe controller is configured to correct the output of the load sensor based on a load in a case where an output waveform amplitude of the load sensor in the predetermined load is a threshold value or less than the threshold value.4. The tool according to claim 2 , further comprising:a load adjusting mechanism that is configured to apply the predetermined load to the load sensor.5. The tool according to claim 4 , whereinthe load adjusting mechanism includes an elastic member which is elastically deformed when a prescribed ...

MOTOR DRIVEN APPLIANCE

A motor driven appliance in one aspect of embodiments of the present disclosure comprises a light source, a lighting unit, a motor, an operation unit, an operation detector, a reference signal output unit, a determination unit, and a control unit. The operation detector detects that the operation unit is operated, and outputs an operation detection signal that indicates that the operation unit is operated. The reference signal output unit outputs at least one reference signal that can be used as a reference for determining whether the detection by the operation detector is normal. The determination unit determines whether the operation unit is actually operated based on the operation detection signal and the at least one reference signal. The control unit controls operation of the lighting unit based on the determination made by the determination unit. 1. A motor driven appliance comprising:a light source;a lighting unit configured to turn on the light source;a motor configured to generate a driving force for work to be done by a user of the motor driven appliance;an operation unit configured to be operated by the user to actuate the motor;an operation detector configured to detect that the operation unit is operated, and to output an operation detection signal that indicates that the operation unit is operated;a reference signal output unit configured to output at least one reference signal that can be used as a reference for determining whether the detection by the operation detector is normal;a determination unit configured to determine whether the operation unit is actually operated based on the operation detection signal and the at least one reference signal; anda control unit configured to control operation of the lighting unit based on the determination made by the determination unit.2. The motor driven appliance according to claim 1 ,wherein the control unit is further configured to stop the operation of the lighting unit when the determination unit ...

ELECTRICAL DEVICE SYSTEM, ELECTRICAL DEVICE, AND POWER SUPPLY DEVICE

The electrical device comprises a common device main body having selectively and detachably attached thereto either a variable-voltage power supply device or a high-voltage power supply device. The device main body has: a protruding section that abuts a power supply-side main erroneous attachment prevention section provided in the variable-voltage power supply device and the high-voltage power supply device; a device-side main erroneous attachment prevention section that abuts the power supply-side main erroneous attachment prevention section provided in a low-voltage power supply device and prevents the low-voltage power supply device from abutting an attachment positioning section; and a device-side attachment pet' lifting section that can be combined in a power supply-side auxiliary erroneous attachment prevention section provided in the high-voltage power supply device. 1. An electrical device system comprising:a first power supply device that is able to selectively output a first voltage and a second voltage larger than the first voltage;a second power supply device that is able to output the second voltage;a first device main body to which the first power supply device is connectable and the second power supply device is not connectable, and driven at the first voltage; anda second device main body to which the first power supply device and the second power supply device are connectable, and driven at the second voltage.2. The electrical device system according to claim 1 , wherein the second power supply device has a power supply-side erroneous attachment prevention section configured to prevent connection to the first device main body.3. The electrical device system according to claim 2 , wherein each of the first power supply device and second power supply devices comprise a slide rail configured to guide attachment to the second device main body in a first direction claim 2 , and a latch section configured to fix the power supply device to the second ...

Intuitive, adaptive drilling function

A method to control a power tool (), especially a handheld core drilling machine, includes a drive () to drive a tool () and a control unit () for when a workpiece (W) is being processed. The method encompasses the following method steps: 15-. (canceled).6. A method to control a power tool having a drive to drive a tool and having a control unit for when a workpiece is being processed , the method comprising the following steps:setting a rotational speed of the drive at a first value;measuring a first power consumption value for the drive;setting a threshold value for power consumption of the drive; andincreasing the rotational speed of the drive to a second value if the power consumption of the drive exceeds the threshold value due to an increase in the drive load.7. The method as recited in wherein the drive load is increased by raising a contact force onto the tool.8. The method as recited in wherein the threshold value is defined as a function of at least one parameter of the power tool.9. The method as recited in wherein the rotational speed of the drive is increased to the second value as a function of the period of time during which the threshold value was exceeded and as a function of the magnitude of the threshold value.10. The method as recited in wherein the power tool is a handheld core drilling machine.11. A power tool performing the method as recited in claim 6 , comprising:the drive to drive the tool; andthe control unit to control at least the rotational speed of the drive. The present invention relates to a method to control a power tool, especially a handheld core drilling machine, comprising a drive to drive a tool and a control unit for when a workpiece is being processed.The invention also relates to a power tool that uses this method.The power tool can be, for instance, a core drilling machine used for core drilling.A core drilling machine uses a cylindrical diamond-tipped drill bit to cut a ring-shaped groove into a workpiece that is to be ...

Method and Apparatus for Controlling Electric Tool, and Electric Tool

The present invention provides a control method and apparatus for an electric tool, and further provides an electronic tool, which relates to the field of automatic control of electric tools. The method comprises: Obtaining parameters characterizing an output shaft load during a running process of an electric tool; calculating the average values of the parameters characterizing an output shaft load according to a composite average algorithm, wherein the composite average algorithm comprises a combination of at least two average algorithms; calculating slope values of the parameters characterizing the output shaft load according to the average values of the parameters characterizing the output shaft load; and interrupting torque output of the electric tool according to the slope values of the parameters characterizing the output shaft load. 1. A control method for an electric tool , comprising the following steps:obtaining parameters characterizing an output shaft load during a running process of an electric tool;calculating average values of the parameters characterizing the output shaft load according to a composite average algorithm, wherein the composite average algorithm comprises a combination of at least two average algorithms;calculating slope values of the parameters characterizing the output shaft load according to the average values of the parameters characterizing the output shaft load; andinterrupting torque output of the electric tool according to the slope values of the parameters characterizing the output shaft load.2. The control method according to claim 1 , wherein the composite average algorithm is a combination of an arithmetical average algorithm and a sliding average algorithm.3. The control method according to claim 1 , wherein the step of calculating average values of the parameters characterizing the output shaft load according to a composite average algorithm comprises:calculating average parameters of the parameters characterizing the ...

ABNORMALITY REPORTING SYSTEM AND ELECTRIC TOOL, AND COMMUNICATION TERMINAL

A technique capable of immediately reporting to an operator an occurrence of abnormality in an electric tool is provided. A communication terminal includes a communication-terminal-side control unit that determines whether abnormality has occurred in any of electric tools , and based on information acquired from the electric tools , and via wireless communication. When the communication-terminal-side control unit determines the occurrence of abnormality in any one of the electric tools , and , the occurrence of abnormality in the electric tool , or is reported by at least one of a report unit included in the electric tools , and other than the electric tool , or in which the occurrence of abnormality is determined and a report unit included in the communication terminal 2. The system according to claim 1 , wherein claim 1 , when the power tool is out of the range:the smart phone is configured to provide the report of the occurrence of abnormality;the power tool is maintained in the locked state if the power tool was in the locked state while the power tool was within the range; andthe power tool is switched to the locked state from the lock release state if the power tool was in the lock release state while the power tool was within the range.3. The system according to claim 1 , whereinthe power tool includes a plurality of power tools registered in the smart phone, and the plurality of power tools enters the locked state when the first signal is received from the smart phone via the wireless communication; and', 'the plurality of power tools enters the lock release state when the second signal is received from the smart phone via the wireless communication., 'when the plurality of power tools and the smart phone are within the range4. The system according to claim 1 , whereinthe power tool includes a plurality of power tools registered in the smart phone, all of the plurality of registered power tools enter the locked state when the first signal is received from ...

POWER TOOL

The purpose of the invention is to achieve a miniaturized power tool. Provided is a hammer drill (A) that includes: a brushless motor () that is a drive source for a tip tool (); a control unit for controlling the driving of the brushless motor (); a motor housing () to which the brushless motor () is attached; and a handle housing () provided with a grip (). The control unit includes: a switching board () and a Hall element board (), and a converter board () on which an electrolytic capacitor () is installed. The brushless motor () is disposed to be sandwiched between the electrolytic capacitor (), and the switching board () and the Hall element board (), along the axial direction (M) of a drive shaft () that drives the tip tool (). 1. A power tool , comprising:a motor that is a drive source for a tip tool;a control unit controlling driving of the motor; anda power input part to which an AC power is input,wherein the control unit comprises a first circuit element and a second circuit element,the second circuit element comprises a conversion circuit that converts the AC power input to the power input part into a DC power and a board on which the conversion circuit is mounted, andthe motor is disposed so that at least a part of the motor is sandwiched between the first circuit element and the second circuit element in an axial direction of a drive shaft that drives the tip tool.2. The power tool according to claim 1 , wherein the motor comprises a stator that is disposed to be sandwiched between the first circuit element and the second circuit element in the axial direction of the drive shaft.3. The power tool according to claim 2 , wherein the first circuit element comprises at least one control board claim 2 , and the drive shaft is provided to penetrate the control board.4. The power tool according to claim 2 , wherein the first circuit element comprises a first control board and a second control board claim 2 , and the drive shaft is provided to penetrate each of ...