АНТИВИБРАЦИОННАЯ РУКОЯТКА С НАГРУЖАЕМЫМ НА РАСТЯЖЕНИЕ ПЕРЕКЛЮЧАЮЩИМ СОЕДИНЕНИЕМ

Изобретение относится к электрической технологической машине. Технологическая машина содержит основной корпус, корпус рукоятки, первое устройство управления и расположенное на расстоянии от него второе устройство управления. Первое устройство управления расположено в основном корпусе, а второе устройство управления - в корпусе рукоятки. Первое устройство управления механически соединено со вторым устройством управления посредством переключающего соединителя, нагружаемого только на растяжение. В результате упрощается конструкция технологической машины. 12 з.п. ф-лы, 1 ил.

РАБОЧИЙ ИНСТРУМЕНТ С РУЧНОЙ ПОДАЧЕЙ

Изобретение относится к ручным инструментам. Ручной рабочий инструмент имеет корпус (2), в котором расположен двигатель (11) внутреннего сгорания. Двигатель (11) внутреннего сгорания имеет цилиндр (19), расположенный в образованном внутри корпуса (2) цилиндровом пространстве (31). Цилиндр (19) имеет установленную температуру переключения режимов пуска двигателя (11) внутреннего сгорания. Причем двигатель (11) внутреннего сгорания выполнен с возможностью запуска в режиме «холодного» пуска, если температура цилиндра (19) ниже температуры переключения режимов пуска двигателя (11) внутреннего сгорания, и двигатель (11) внутреннего сгорания выполнен с возможностью запуска в режиме «теплого» пуска, если температура цилиндра (19) выше температуры переключения режимов пуска двигателя (11) внутреннего сгорания. В рабочем инструменте (1) имеются средства для получения информации о температуре в цилиндровом пространстве (31) при нерабочем состоянии двигателя (11) внутреннего сгорания, причем информация ...

УСТРОЙСТВО И СПОСОБ ДЛЯ ПРИНЯТИЯ ПРЕДОХРАНИТЕЛЬНОЙ МЕРЫ В ЭЛЕКТРИЧЕСКОМ ИНСТРУМЕНТЕ

Изобретение относится к устройству (10) для принятия предохранительной меры в электрическом инструменте, содержащем электродвигатель (ЕМ) с по меньшей мере одной обмоткой возбуждения и обмоткой якоря. Устройство (10) содержит сенсорный блок (12), выполненный с возможностью формирования сигнала (21) сенсора, в зависимости от тока (14), проходящего через электродвигатель (ЕМ), напряжения (16) на обмотке якоря, напряжения (18) на обмотке возбуждения и/или частоты (20) коммутации в обмотке якоря; блок (22) обнаружения изменения сигнала сенсора, выполненный с возможностью обнаружения временного изменения сигнала (21) сенсора и выдачи на основании обнаруженного изменения соответствующего характеризующего изменение сигнала (24); и блок (26) безопасности, выполненный с возможностью принятия предохранительной меры (28) в электрическом инструменте в зависимости от значения характеризующего изменение сигнала (24), если значение указанного характеризующего изменение сигнала (24) превысило соответствующее ...

БЫСТРОЗАЖИМНОЕ УСТРОЙСТВО ДЛЯ ПЕРЕНОСНОЙ ТЕХНОЛОГИЧЕСКОЙ МАШИНЫ, ИМЕЮЩЕЙ ПО МЕНЬШЕЙ МЕРЕ ОДИН ПРИВОДИМЫЙ ВО ВРАЩЕНИЕ ВЫХОДНОЙ ВАЛ, В ЧАСТНОСТИ УГЛОВОЙ ШЛИФОВАЛЬНОЙ МАШИНЫ

Группа изобретений относится к обработке материалов резанием и может быть использована в технологических машинах, в частности угловых шлифовальных машинах. Быстрозажимное устройство содержит по меньшей мере один зажимной узел для безынструментальной фиксации рабочего инструмента на выходном валу, по меньшей мере один подвижно установленный зажимной элемент для воздействия зажимным усилием на рабочий инструмент в замыкающем положении зажимного элемента и по меньшей мере один узел управления для перемещения зажимного элемента в его замыкающее положение и/или в его размыкающее положение. По меньшей мере один предохранительный узел, в частности узел самоторможения, предназначен для того, чтобы по меньшей мере при воздействии на зажимной элемент силы, не связанной с узлом управления и действующей в направлении размыкающего положения зажимного элемента, препятствовать перемещению зажимного элемента из его замыкающего положения в его размыкающее положение. Исключается самопроизвольное отделение ...

ПЕРЕЗАРЯЖАЕМЫЙ ЭЛЕКТРИЧЕСКИЙ ИНСТРУМЕНТ

Изобретение относится к ручному инструменту. Перезаряжаемый электрический инструмент содержит электродвигатель, источник питания, являющийся аккумуляторной батареей и обеспечивающий подачу напряжения на электродвигатель, устройство сравнения напряжений, обеспечивающее сравнение напряжения источника питания с опорным напряжением, и устройство предупредительной сигнализации для формирования предупредительного сигнала в соответствии с результатом сравнения, проведенного устройством сравнения напряжений. Инструмент продолжает работать после выдачи предупредительного сигнала, который выдается устройством предупредительной сигнализации при снижении напряжения источника питания до опорного напряжения или ниже до тех пор, пока активация электродвигателя не будет заблокирована. Обеспечивается исключение эффекта запоминания аккумуляторной батареи. 5 з.п. ф-лы, 2 ил.

ПЕРЕНОСНАЯ ТЕХНОЛОГИЧЕСКАЯ МАШИНА

Изобретение относится к переносной технологической машине. Машина содержит корпус рукоятки и выключатель, имеющий подвижно установленную клавишу и разблокирующий элемент для отпирания блокиратора перемещения клавиши выключателя. Клавиша выключателя расположена на рукояточном участке корпуса рукоятки. Разблокирующий элемент имеет нажимаемый участок, расположенный за пределами нажимаемой поверхности клавиши выключателя, и установлен с возможностью поворота и/или вращения вокруг оси разблокирующего движения, проходящей в плоскости, перпендикулярной оси движения клавиши выключателя. В результате обеспечивается удобное управление технологической машиной. 15 з.п. ф-лы, 16 ил.

ЭЛЕКТРОИНСТРУМЕНТ

Изобретение относится к области режущих электроинструментов. Электроинструмент содержит трехфазный бесщеточный двигатель для приведения в действие режущего инструмента, управляющее устройство двигателя, которое приводит его в действие при помощи сигналов напряжения прямоугольной формы, а также детектор нагрузки на режущем инструменте или детектор температуры. Управляющее устройство выполнено с возможностью изменять угол проводимости в зависимости от сигналов детекторов между двумя значениями, которые равны или больше 120 градусов и не больше 180 градусов. Использование изобретения позволяет расширить технологические возможности электроинструмента. 3 н. и 19 з.п. ф-лы, 39 ил.

ЭЛЕКТРИЧЕСКАЯ РАБОЧАЯ МАШИНА И СПОСОБ ДЛЯ ПОДАЧИ ЭЛЕКТРОПИТАНИЯ К КОНТРОЛЛЕРУ ЭЛЕКТРИЧЕСКОЙ РАБОЧЕЙ МАШИНЫ

Изобретение относится к электротехнике, в частности к электрической рабочей машине. Техническим результатом заявленного изобретения является снижение энергопотребления в электрической рабочей машине в режиме ожидания. Электрическая рабочая машина в одном аспекте настоящего изобретения включает в себя приводное устройство, контроллер, источник питания управления и средство определения рабочего состояния. Источник питания управления включает в себя первый преобразователь и второй преобразователь. Источник питания управления переходит в первое состояние преобразования, когда средство определения рабочего состояния определяет, что контроллер находится в управляющем рабочем состоянии. Источник питания управления в первом состоянии преобразования подает первый управляющий ток к контроллеру. Источник питания управления переходит во второе состояние преобразования, когда средство определения рабочего состояния определяет, что контроллер находится в рабочем состоянии с низким энергопотреблением.

РУКОЯТЬ РУЧНОГО ЭЛЕКТРИЧЕСКОГО ИНСТРУМЕНТА

Изобретение относится к ручному электрическому инструменту, а именно к форме его рукояти, предназначенной для размещения в ней элементов питания. Инструмент содержит рукоять, выполненную с возможностью размещения в ней аккумуляторной батареи. Форма рукояти в поперечном разрезе является по существу треугольной. Участок вершины треугольника расположен со стороны кончиков пальцев захватывающей рукоять руки. Основание треугольника находится со стороны ладони. В рукоять помещается аккумуляторная батарея с тремя элементами аккумулятора. Один элемент аккумулятора помещается с передней стороны относительно основного корпуса инструмента. Другие два элемента аккумулятора помещаются бок о бок с задней стороны указанного одного элемента аккумулятора относительно основного корпуса инструмента. Участок вершины треугольника располагается с передней стороны относительно основного корпуса инструмента. Основание треугольника располагается с задней стороны относительно основного корпуса инструмента. В результате ...

ЗАБИВНОЙ ИНСТРУМЕНТ С ПРИВОДОМ

Изобретение относится к области инструментов, предназначенных для забивания, например, гвоздей. Технический результат - повышение безопасности за счет предотвращения работы инструмента, когда нарушена нормальная работа схемы управления. Забивной инструмент с приводом включает в себя подвижный элемент, узел привода для привода в движение подвижного элемента, включающую схему для включения узла привода, схему управления и переключатель срабатывания, который выдает сигнал срабатывания. Схема управления выдает сигнал управления, когда сигнал срабатывания, предназначенный для предписания приведения в движение подвижного элемента, выдается из переключателя срабатывания. Включающая схема включает узел привода, когда сигнал управления выдается из схемы управления. Включение узла привода блокируется, когда сигнал управления, выдаваемый из схемы управления, аномален. В соответствии с изобретением можно предотвратить перемещение подвижного элемента из-за нарушений нормальной работы схемы управления ...

МНОГОФУНКЦИОНАЛЬНАЯ ВИБРАЦИОННАЯ ИНСТРУМЕНТАЛЬНАЯ ГОЛОВКА, ВЫПОЛНЕННАЯ С ВОЗМОЖНОСТЬЮ БЫСТРОЙ УСТАНОВКИ

Изобретение относится к многофункциональной вибрационной инструментальной головке, выполненной с возможностью быстрой установки. Инструментальная головка содержит тело инструментальной головки и установочное гнездо инструментальной головки, присоединенное к нему. Центральное установочное отверстие предусмотрено в средине поверхности установочного гнезда инструментальной головки, отверстие для быстрой установки в соединении с центральным установочным отверстием предусмотрено на одной стороне поверхности гнезда, установочные отверстия и ограничительные отверстия в соединении с центральным установочным отверстием предусмотрены на поверхности гнезда. Внешние уголки, выступающие наружу, выполнены на внешней окружности установочного гнезда инструментальной головки. Кольцо с фланцем предусмотрено на внешней окружности установочного гнезда инструментальной головки. В результате обеспечивается быстрота замены и установки инструментальной головки. 4 з.п. ф-лы, 4 ил.

ТЕХНОЛОГИЧЕСКАЯ МАШИНА, СОДЕРЖАЩАЯ ПРЕДОХРАНИТЕЛЬНЫЙ БЛОК И КАЛИБРОВОЧНЫЙ БЛОК ДЛЯ КАЛИБРОВКИ ПРЕДОХРАНИТЕЛЬНОГО БЛОКА

... 1. Технологическая машина, содержащая предохранительный блок (30), отличающаяся наличием калибровочного блока (44), предназначенного для калибровки предохранительного блока (30). ! 2. Технологическая машина по п.1, отличающаяся наличием блока (34) человеко-машинного интерфейса, взаимодействующего с калибровочным блоком (44) для выполнения процесса калибровки конечным пользователем. ! 3. Технологическая машина по п.1 или 2, отличающаяся наличием блока (52) проверки, предусмотренного для проверки состояния калибровки предохранительного блока (30). ! 4. Технологическая машина по п.3, отличающаяся тем, что блок (52) проверки имеет по меньшей мере один режим автоматической проверки. ! 5. Технологическая машина по п.3, отличающаяся тем, что предохранительный блок (30) включает в себя сенсорный блок (32) для регистрации параметра при приведении в движение рабочего инструмента, а блок (52) проверки предусмотрен для того, чтобы в режиме проверки инициировать включение в работу сенсорного блока ( ...

ОРГАН УПРАВЛЕНИЯ ДЛЯ РУЧНОЙ МАШИНЫ

... 1. Электрическая ручная машина (100), имеющая цилиндрическую часть (105, 110), орган (120) управления, установленный подвижно с возможностью поворота вокруг цилиндрической части (105, 110), и электрическое считывающее устройство (205) для определения углового положения органа (120) управления, расположенное у цилиндрической части (105, 110), отличающаяся тем, что считывающее устройство (210) выполнено с возможностью считывания углового положения оптическим методом.2. Электрическая ручная машина (100) по п.1, отличающаяся тем, что считывающее устройство (210) имеет несколько двоичных считывающих элементов (205), каждый из которых выдает один двоичный разряд значения углового положения органа управления, закодированного двоичным кодом.3. Электрическая ручная машина (100) по п.2, отличающаяся тем, что угловое положение закодировано таким образом, что двоичные представления соседних угловых положений органа (120) управления различаются максимум в одном двоичном разряде.4. Электрическая ручная ...

ИНСТРУМЕНТАЛЬНАЯ МАШИНА

ПРИВОДНОЙ ИНСТРУМЕНТ С БАТАРЕЙНЫМ ПИТАНИЕМ, ИМЕЮЩИЙ СХЕМУ ЗАЩИТЫ ОТ СВЕРХТОКОВ, И БАТАРЕЙНЫЙ ИСТОЧНИК ПИТАНИЯ ДЛЯ ЭТОГО ИНСТРУМЕНТА

... 1. Приводной инструмент (200), содержащий аккумулятор (10), состоящий из ряда последовательно соединенных литиевых аккумуляторных элементов (11-14); и электродвигатель (210) постоянного тока, который подключен к аккумулятору (10) с возможностью питания от аккумулятора (10) током, приводящим его в движение, причем обеспечено предотвращение протекания сверхтока, определяемого как ток, величина которого равна или превышает заданное значение, в токовой цепи долее заданного периода времени. 2. Приводной инструмент по п.1, отличающийся тем, что дополнительно содержит переключающий элемент (21), включенный между аккумулятором (10) и электродвигателем (210), причем аккумулятор (10), переключающий элемент (21) и электродвигатель (210) постоянного тока соединены с образованием токовой цепи, при этом электродвигатель (210) запитан от аккумулятора (10) током, приводящим его в движение, через указанную токовую цепь; токоизмерительную часть (70), выполненную с возможностью определения тока, протекающего ...

УСТРОЙСТВО И СПОСОБ СВЯЗИ МЕЖДУ СИСТЕМОЙ УПРАВЛЕНИЯ ДЛЯ МАЛЫХ ДВИГАТЕЛЕЙ ВНУТРЕННЕГО СГОРАНИЯ И ВНЕШНИМ КОМПЬЮТЕРОМ

... 1. Устройство (1) с двигателем внутреннего сгорания, предназначенное для ручного запуска без пусковой батареи, которое включает электронную схему (IC1) управления для управления двигателем (2) внутреннего сгорания и кнопку (S1) остановки, чтобы останавливать упомянутый двигатель внутреннего сгорания (2), при этом между кнопкой (S1) остановки и электронной схемой управления (IC1) имеется соединение (3), отличающееся тем, что упомянутое соединение (3) между кнопкой (S1) остановки и схемой (IC1) управления выполнено с возможностью его использования для передачи данных между схемой (IC1) управления и внешним компьютером (4). ! 2. Устройство по п.1, отличающееся тем, что упомянутое соединение (3) между кнопкой (S1) остановки и схемой (IC1) управления выполнено с возможностью его использования для подачи напряжения от внешнего источника питания на упомянутую электронную схему (IC1) управления и предпочтительно также к другим электронным компонентам (С3), связанным с упомянутым соединением (3) ...

СОЕДИНИТЕЛЬНОЕ УСТРОЙСТВО

АККУМУЛЯТОРНАЯ РУЧНАЯ МАШИНА И СПОСОБ УПРАВЛЕНИЯ РАБОТОЙ АККУМУЛЯТОРНОЙ РУЧНОЙ МАШИНЫ

... 1. Способ управления работой аккумуляторной ручной машины (100), содержащей приводной двигатель (180) для приведения в движение рабочего инструмента (120), который после включения аккумуляторной ручной машины (100) в режиме с нагрузкой и в режиме без нагрузки приводится в движение с заданной эксплуатационной частотой вращения приводного двигателя (180), отличающийся тем, что в режиме без нагрузки заданная эксплуатационная частота вращения уменьшается до заданной частоты вращения в покое. ! 2. Способ по п.1, отличающийся тем, что при переходе аккумуляторной ручной машины (100) из режима без нагрузки в режим с нагрузкой происходит повышение заданной частоты вращения в покое до заданной эксплуатационной частоты вращения. ! 3. Способ по п.1, отличающийся тем, что заданная эксплуатационная частота вращения уменьшается до заданной частоты вращения в покое не ранее чем по истечении заданного промежутка времени функционирования аккумуляторной ручной машины (100) в режиме без нагрузки. ! 4. Способ ...

СОЕДИНИТЕЛЬНАЯ КОНСТРУКЦИЯ КОНТАКТОВ

... 1. Соединительная конструкция электрических контактов для установления электрического контакта между блоком батарей и электрическим устройством скользящим присоединением блока батарей к электрическому устройству, причем конструкция содержит: ! множество контактов, имеющих различные функции, расположенных в направлении скольжения в одном из блока батарей и электрического устройства; и ! по меньшей мере, один контакт, обеспеченный в другом одном из блока батарей и электрического устройства, причем упомянутый, по меньшей мере, один контакт присоединен к соответствующему контакту в одном из блока батарей и электрического устройства; ! в которой, до того как, по меньшей мере, один контакт достигнет соответствующего контакта во время скольжения, по меньшей мере, упомянутый один контакт может пройти через другой контакт, обеспеченный в одном из блока батарей и электрического устройства. ! 2. Соединительная конструкция по п.1, в которой единственный контакт обеспечен в другом одном из блока батарей ...

КОНТРОЛЛЕР ДВИГАТЕЛЯ И ЭЛЕКТРОИНСТРУМЕНТ, ИМЕЮЩИЙ ВЫШЕУПОМЯНУТЫЙ КОНТРОЛЛЕР

... 1. Контроллер двигателя, содержащий: ! датчик положения, определяющий угловое положение двигателя; ! переключающий элемент верхнего плеча, содержащий затвор, приводимый в действие и сформированный для соединения и разъединения соответствующей клеммы двигателя и положительного электрода источника постоянного тока; ! переключающий элемент нижнего плеча, содержащий затвор, приводимый в действие и сформированный для соединения и разъединения соответствующей клеммы двигателя и отрицательного электрода источника постоянного тока; ! процессор, выборочно выводящий сигнал включения либо на переключающий элемент верхнего плеча, либо на переключающий элемент нижнего плеча, основываясь на определенном датчиком положения положении, ! устройство управления затвором верхнего плеча, подающее управляющее напряжение на затвор переключающего элемента верхнего плеча сдвигом уровня сигнала включения от процессора на переключающий элемент верхнего плеча; ! устройство управления затвором нижнего плеча, подающее ...

БЫСТРОЗАЖИМНОЕ УСТРОЙСТВО ДЛЯ ПЕРЕНОСНОЙ ТЕХНОЛОГИЧЕСКОЙ МАШИНЫ, ИМЕЮЩЕЙ ПО МЕНЬШЕЙ МЕРЕ ОДИН ПРИВОДИМЫЙ ВО ВРАЩЕНИЕ ВЫХОДНОЙ ВАЛ, В ЧАСТНОСТИ УГЛОВОЙ ШЛИФОВАЛЬНОЙ МАШИНЫ

КАБЕЛЬНЫЙ ВВОД ДЛЯ РУЧНОЙ МАШИНЫ

... 1. Кабельный ввод (22), предназначенный для пропускания кабеля (36) в области (14) ввода кабеля в корпус (10) ручной машины и вывода из него, соединенный с корпусом (10) своим обращенным к корпусу концом с фиксацией относительно корпуса, прежде всего с геометрическим замыканием, отличающийся тем, что он имеет уплотнительные средства (28), предпочтительно радиальные, герметично сопрягающиеся с кабелем (36) и/или корпусом (10). ! 2. Кабельный ввод по п.1, отличающийся тем, что он обхватывает кабель (36) с силовым замыканием, обеспечивая радиальное уплотнение кабеля. ! 3. Кабельный ввод по п.2, отличающийся тем, что он со своей обращенной к корпусу (10) стороны имеет кольцеобразное уплотнительное средство (28), плотно обхватывающее кабель (36) по его внешней окружности. ! 4. Кабельный ввод по пп.1, 2 или 3, отличающийся тем, что кабельный ввод (220) выполнен со спиралевидным выдающимся внутрь радиальным уплотнительным гребнем (280). ! 5. Кабельный ввод по п.3, отличающийся тем, что он со своей ...

РАБОЧИЙ ИНСТРУМЕНТ С РУЧНОЙ ПОДАЧЕЙ

... 1. Рабочий инструмент с ручной подачей с корпусом (2), в котором расположен двигатель (11) внутреннего сгорания, причем двигатель (11) внутреннего сгорания имеет цилиндр (19), расположенный в образованном внутри корпуса (2) цилиндровом пространстве (31), отличающийся тем, что в рабочем инструменте (1) имеется средство для получения информации о температуре в цилиндровом пространстве (31) при нерабочем состоянии двигателя (11) внутреннего сгорания и индикаторное устройство (22, 22') для показания информации о температуре.2. Рабочий инструмент по п.1, отличающийся тем, что информация о температуре указывает, находится ли температура выше или ниже порогового/граничного значения температуры.3. Рабочий инструмент по п.2, отличающийся тем, что при температуре цилиндра (19) ниже температуры переключения двигатель (11) внутреннего сгорания нужно запускать в режиме «холодного» пуска, а при температуре выше температуры переключения - в режиме «теплого» пуска, и что средства для получения информации ...

УСТРОЙСТВО ДЛЯ ПРЕДВАРИТЕЛЬНОЙ ОЧИСТКИ ВОЗДУХА И СОДЕРЖАЩИЙ ЕГО ЭЛЕКТРОИНСТРУМЕНТ

ЭЛЕКТРИЧЕСКИЙ ИНСТРУМЕНТ

... 1. Электрический инструмент, содержащий корпус, включающий трубчатое тело корпуса, размещающее электродвигатель, и участок для захвата, образованный таким образом, чтобы выступать радиально наружу от тела корпуса; основной переключатель куркового типа, размещенный на основной концевой части участка для захвата; и вспомогательный переключатель, размещенный рядом с основным переключателем, отличающийся тем, чтовспомогательный переключатель имеет часть управления и тело переключателя, включающееся и выключающееся при восприятии перемещения части управления;часть управления вспомогательного переключателя смонтирована на левой боковой поверхности и/или правой боковой поверхности корпуса, закрывающих область между электродвигателем и основным переключателем;тело вспомогательного переключателя расположено в пространстве корпуса, расположенном на внешней стороне в левом или правом направлении относительно основного переключателя; ипространство задано между электродвигателем и основным переключателем ...

РУЧНОЙ ИЛИ ПОЛУСТАЦИОНАРНЫЙ СТАНОК ИЛИ РАБОЧИЙ ИНСТРУМЕНТ

БЛОК ОЦЕНКИ ВНУТРЕННЕЙ ТЕМПЕРАТУРЫ БАТАРЕИ ДЛЯ ИНСТРУМЕНТА С ЭЛЕКТРИЧЕСКИМ ПРИВОДОМ И УСТРОЙСТВО ДЛЯ ИНСТРУМЕНТА С ЭЛЕКТРИЧЕСКИМ ПРИВОДОМ

... 1. Блок оценки внутренней температуры батареи для инструмента с электрическим приводом, предусмотренный в устройстве для инструмента с электрическим приводом и считывающий обнаруженную температуру из устройства обнаружения температуры, которое обнаруживает температуру элемента батареи, представляющей собой источник питания инструмента с электрическим приводом, чтобы оценить внутреннюю температуру батареи на основе обнаруженной температуры, при этом блок содержит:устройство установления начального значения, которое, когда начинается разрядка батареи или когда начинается зарядка батареи, считывает обнаруженную температуру из устройства обнаружения температуры и устанавливает обнаруженную температуру в качестве начального значения; иустройство вычисления величины повышения температуры, которое во время разрядки батареи или во время зарядки батареи считывает обнаруженную температуру из устройства обнаружения температуры и вычисляет величину повышения температуры элемента батареи на основе последнего ...

ЭЛЕКТРИЧЕСКИЙ ИНСТРУМЕНТ С ПЕРЕКЛЮЧАТЕЛЕМ С ДВОЙНЫМ УПРАВЛЕНИЕМ

... 1. Узел переключателя для электрических инструментов, содержащий, по меньшей мере, первый механизм (29) переключателя, в котором предусмотрен элемент (30) переключателя, включающий, по меньшей мере, первый и второй управляемый вручную элемент управления для, по меньшей мере, включения и выключения первого механизма (29) переключателя, и содержит средство (33) фиксатора, предназначенное для фиксации элемента (30) переключателя, отличающийся тем, что средство фиксатора выполнено с возможностью фиксации элемента (30) переключателя во включенном режиме, причем включенный режим можно отключать посредством первого элемента управления и второго элемента управления. 2. Узел переключателя по п.1, отличающийся тем, что содержит первый и второй элементы (36, 37) высвобождения, каждый из которых выполнен с возможностью разблокирования элемента (30) переключателя при работе с ним. 3. Узел переключателя по п.2, отличающийся тем, что первый и второй элементы переключателя установлены с возможностью наклона ...

HANDGRIFF FÜR EIN PNEUMATISCH ANGETRIEBENES WERKZEUG

Elektronischer Durchbohrungsschutz für Bohrmaschinen (verhindert das Durchbohren der Wasserleitungen)

... 1. Durchbohrungsschutz für Bohrmaschinen. 2. Beim Bohren mit einer Bohrmaschine werden oft versehentlich Leitungen (Wasser-, Stromleitung) durchgebohrt. Um das zu verhindern, sollte die Bohrmaschine einen Schalter haben, der den Stromkreis unterbricht, wenn der Bohrer die Leitung berührt. 3. Die Erkennung, ob der Bohrer die Leitung berührt hat, kann elektrisch oder Drahtlos z. B. Ultraschall erfolgen. 4. Der Schutzschalter eignet sich für alle Maschinen, die gestoppt werden sollen, wenn sie in Berührung mit unerwünschten Gegenständen kommen.

Akkupack für ein Elektrohandwerkzeuggerät

Akkupack für ein Elektrowerkzeug, mit mindestens einer Akkuzelle und mindestens einem Kontakt (5, 6) zur Verbindung einer Antriebseinheit des Elektrowerkzeuges mit der mindestens einen Akkuzelle, wobei die mindestens eine Akkuzelle über einen Ableiter (13) mit einem elektrischen Leiter in elektrischer Verbindung mit dem Kontakt steht, wobei der elektrische Leiter als Stromschiene (7, 8) ausgebildet ist.

Stator für einen Elektromotor

Die Erfindung betrifft einen Stator (30) für einen Elektromotor (10) zur Nutzung in einer angetrieben Handwerkzeugmaschine umfassend einen Statorkörper (36), der im wesentlichen hohlzylindrisch ausgebildet ist und im montierten Zustand an jeder seiner Stirnseiten mit einem Deckel (50, 60) abgeschlossen ist, so dass er im montierten Zustand einen staubdichten Innenraum begrenzt.

Elektrowerkzeug

Ein Elektrowerkzeug gemäß einem Aspekt der vorliegenden Offenbarung ist versehen mit einem Motor, einem Schalter, einem Gehäuse und einem Bedienungsabschnitt. Der Bedienungsabschnitt bildet einen Teil der Außenfläche eines Griffabschnitts des Gehäuses aus, ermöglicht die Bewegung von einer Referenzposition in eine Bedienposition durch eine externe Bedienung und kehrt auf die Referenzposition zurück, wenn die externe Bedienung abgebrochen wird.

Elektrowerkzeug mit verbesserter Bedienbarkeit

Die vorliegende Erfindung betrifft ein Elektrowerkzeug mit einem Antrieb für ein Werkzeug, mit einer Bedieneinrichtung zur Aktivierung des Elektrowerkzeuges, mit einer Einrichtung zur Erfassung einer Bewegung des Elektrowerkzeuges, wobei ein Filter vorgesehen ist, um wenigstens einen Messwert der erfassten Bewegung zu filtern, und wobei die Einrichtung ausgebildet ist, um eine vorgegebene Leistung des Antriebes zu reduzieren, wenn der gefilterte Messwert einem Zustand mit einem reduzierten Bedienkomfort entspricht.

Drehzahlanzeige

Elektrisches Handwerkzeug (1) mit einem Gehäuse (4) und einer am Gehäuse (4) angeordneten Anzeigeeinrichtung (14), dadurch gekennzeichnet, dass diese Anzeigeeinrichtung (14) als multifunktionale Anzeigeeinrichtung (14) ausgebildet ist, mittels derer verschiedene aktuelle Betriebskenngrößen während des Betriebs anzeigbar sind.

ng für ein Arbeitselement

... ng für ein Arbeitselement, das umfasst: eine Abtriebswelle zum Antrieb des Arbeitselements; ein Befestigungsstück mit einem Flanschabschnitt zum Spannen des Arbeitselements und einer hervorstehenden Welle, die im Wesentlichen senkrecht zu dem Flanschabschnitt ist; eine Verriegelungsbaugruppe mit einem Verriegelungselement, wobei das Verriegelungselement eine erste Position aufweist, in der die hervorstehende Welle gesperrt ist und eine zweite Position aufweist, in der die hervorstehende Welle gelöst ist; und ein Presselement, wobei das Arbeitselement zwischen dem Presselement und dem Flanschabschnitt gepresst sein kann, wenn das Verriegelungselement in der ersten Position ist.

Handgeführtes Werkzeug

Handwerkzeugmaschine

Es wird eine Handwerkzeugmaschine beschrieben, die ein in einem Gehäuse angeordnetes Getriebe mit einem Drehschlagwerk zur Übertragung eines von einem Elektromotor erzeugten drehschlagenden Drehmomentes auf eine Antriebswelle, und wenigstens einen Schalter zur Einstellung einer Drehzahl mit welcher der Elektromotor die Antriebswelle antreibt, aufweist. Der Schalter ist über ein am Gehäuse angeordnetes erstes Stellelement einstellbar, welcher in Form eines mechanisch direkt betätigten Stellelementes, insbesondere in Form eines Schiebestellelementes ausgebildet ist und wenigstens eine, insbesondere im elektrischen Schalter angeordnete Steuerungseinheit zur Ausführung von Steuerungsprozessen in der Handwerkzeugmaschine aufweist. Wenigsten ein Steuerungsprozess dient zur Ansteuerung des Elektromotors; wobei die Steuerungseinheit derart mit dem Schalter verbunden ist, dass die Steuerungseinheit ein elektrisches Signal von dem Schalter empfangen und auswerten kann; und wobei die Steuerungseinheit ...

Akkuvorrichtung

Die Erfindung geht aus von einer Akkuvorrichtung mit einer Akkuzelleneinheit (12) und zumindest einer Induktivladeeinheit (14) zur Aufladung der Akkuzelleneinheit (12), wobei die Induktivladeeinheit (14) zumindest eine Induktivladespule (18) mit zumindest einer Grundwicklung (20) aufweist.Es wird vorgeschlagen, dass die Induktivladespule (18) zumindest eine Nebenwicklung (22, 24, 26) aufweist, deren Wicklungsachse (28, 30, 32) zumindest im Wesentlichen senkrecht zu einer Wicklungsachse der Grundwicklung (20) verläuft.

Ladegerät für ein Akkupack einer Handwerkzeugmaschine

Die Erfindung beschreibt ein Ladegerät zur elektrischen Aufladung eines Akkupacks einer Handwerkzeugmaschine eine Ladeschnittstelle zur elektrischen und/oder mechanischen Kopplung des Ladegerätes mit einer Schnittstelleneinheit des Akkupacks umfasst, wobei die Ladeschnittstelle zumindest zwei Gegenkontaktelemente zur elektrischen und/oder mechanischen Kontaktierung korrespondierender Kontaktelemente des Akkupacks aufweist, sowie eine Ladesteuerungseinheit, wobei die Ladesteuerungseinheit elektrisch mit den Gegenkontaktelementen verbunden ist und dazu ausgelegt ist, Informationen über die Gegenkontaktelemente einzulesen und weiterzuverarbeiten. Erfindungsgemäß umfassen die Gegenkontaktelemente ein drittes Gegenkontaktelement, das dazu ausgelegt ist, ein korrespondierendes drittes Kontaktelement des Akkupacks zu kontaktieren, wobei das dritte Gegenkontaktelement ein Signalkontaktelement ist und dazu ausgelegt ist, vom dritten Kontaktelement übergebene Informationen bezüglich eines ersten ...

Pneumatically operated tool, comprising specifically designed extremely airtight duct assembled of several elements

A hollow cylindrical part (31) is accommodated in the horizontal segment of the housing (20) made all of a piece with a vertical handle part (21). A hole (23) partly surrounded by a slightly inclined frame (412, 422) is located at the bottom of the horizontal segment (20). The cylindrical inner part (31) is fitted with a rectangular element (411, 421) comprising a hole (413) and matching the outer contours of the frame (412, 422). When joined, a sealing element (45) is inserted between the frame (412, 422) and the element (411, 421), creating an airtight duct.

Akkupack für eine Handwerkzeugmaschine

Die Erfindung beschreibt einen Akkupack für eine Handwerkzeugmaschine umfassend eine Schnittstelle zum Herstellen einer mechanischen und elektrischen Verbindung des Akkupacks mit einer Handwerkzeugmaschine und/oder einem Ladegerät, wobei die Schnittstelle Kontaktelemente zur elektrischen und/oder mechanischen Kontaktierung korrespondierender Gegenkontaktelemente an der Handwerkzeugmaschine und/oder korrespondierender Gegenkontaktelemente an dem Ladegerät umfasst. Ferner weist das Akkupack zumindest eine Akkuzelle und wenigstens eine Akkupackelektronik auf, wobei die Akkupackelektronik mit der zumindest einen Akkuzelle und mit zumindest einem Kontaktelement elektrisch verbunden ist; wobei die Akkupackelektronik dazu ausgelegt ist, wenigstens einen Betriebsmodus einer Antriebseinheit der Handwerkzeugmaschine zu aktivieren und/oder zu deaktivieren. Ferner ist vorgesehen, dass das Akkupack zumindest einen Bewegungssensor aufweist, wobei der Bewegungssensor mit der Akkupackelektronik elektrisch ...

Werkerführung direkt auf Anzeige Display des Werkzeugs

Die Erfindung betrifft ein Werkzeug (1), insbesondere Elektrowerkzeug (1), welches eine Anzeigeeinrichtung (10) sowie Mittel (30) zum Empfang und zur Auswertung von übermittelten Daten, aufweist. Erfindungsgemäß ist das Werkzeug (1) dazu geeignet und fähig, basierend auf den dem Werkzeug übermittelten Daten auf der Anzeigeeinrichtung (10) wenigstens eine Information anzuzeigen, die wenigstens einen, insbesondere mit dem Werkzeug (1), vorzunehmenden Arbeitsschritt betrifft oder repräsentiert.

Elektrohandwerkzeugmaschine, Verfahren zum Betreiben

Die Erfindung betrifft eine Handwerkzeugmaschine (1), mit einer insbesondere elektrischen Antriebseinrichtung (5) und mit einem Betätigungsschalter (9) zum Ansteuern der Antriebseinrichtung (5) durch einen Benutzer. Es ist vorgesehen, dass wenigstens einen Umweltsensor (14) zum Erfassen eines aktuellen Umweltwerts, und durch eine Warneinrichtung (13), die dazu ausgebildet ist, in Abhängigkeit des erfassten Umweltwerts wenigstens eine Sicherheitsmaßnahme einzuleiten.

Handwerkzeugmaschinenvorrichtung und Verfahren mit einer Handwerkzeugmaschinenvorrichtung

Es wird eine Handwerkzeugmaschinenvorrichtung, insbesondere eine Oberfräsenvorrichtung, vorgeschlagen, mit zumindest einer Vermessungseinheit (10a; 10b), welche zu einer Vermessung von zumindest einem Bearbeitungswerkzeug (12a; 12b) vorgesehen ist, und welche zumindest eine Detektionseinheit (14a; 14b) aufweist, welche dazu vorgesehen ist, in zumindest einem Betriebszustand zur Vermessung des Bearbeitungswerkzeugs (12a; 12b) wenigstens eine Geometriekenngröße des Bearbeitungswerkzeugs (12a; 12b) optisch zu detektieren.

Elektrowerkzeug und Motortreibersystem davon

Es wird ein Motortreibersystem vorgeschlagen, das einen Inverter umfasst, der mit zwei Anschlüssen einer Stromversorgung verbunden ist, wobei der Inverter mehrere Halbleiterschalterelemente umfasst und konfiguriert ist für die Umwandlung einer von der Stromversorgung bereitgestellten Spannung in einen Wechselstrom für den Antrieb eines Motors; eine Mikrosteuereinheit, die konfiguriert ist für die Ausgabe eines Ansteuersignals zum Steuern eines Leistungsmodus der Halbleiterschalterelemente in dem Inverter; und einen Rheostat, der mit der Mikrosteuereinheit verbunden ist und konfiguriert ist für die Lieferung eines Eingangssignals an die Mikrosteuereinheit durch Verschiebung, wobei die Mikrosteuereinheit an den Inverter ein Bremssignal ausgibt zum Steuern des Motors dahingehend, dass der Betrieb des Motors stoppt, wenn das Eingangssignal eine vorgegebene Bedingung erfüllt, und wobei die Mikrosteuereinheit abgeschaltet wird, wenn die Drehung des Motors stoppt.

Staubsammler und Kraftwerkzeug

... [Aufgabe] Vorsehen eines Staubsammlers, welcher hinsichtlich der Länge eines Werkzeugzubehörs vielfältiger anwendbar ist. [Lösung] Ein Staubsammler (4), der zum Sammeln von Staub unter Verwendung einer Luftströmung, die durch einen Bohrhammer (1) erzeugt wird, konfiguriert ist. Der Staubsammler (4) enthält einen Hauptkörper (5), der einen inneren Bereich (60) und einen Staubbehälter (7) aufweist, ein Gleitteil (8) und eine Verbindungspassage (9). Die Verbindungspassage (9) erstreckt sich in einer Oben-Unten-Richtung innerhalb des inneren Bereiches (60) und sieht eine Verbindung zwischen dem Staubbehälter (7) und einer Luftpassage (151) des Bohrhammers (1) vor. Das Gleitteil (8) ist durch den Hauptkörper (5) so gehalten, dass es relativ zwischen einer entferntesten Position und einer nächstgelegenen Position in einer Vorder-Rück-Richtung bewegbar ist, während es teilweise durch eine Öffnung (620) vorsteht und teilweise in dem inneren Bereich (60) angeordnet ist. Wenn das Gleitteil (8) in ...

ELEKTROKRAFTWERKZEUG

Ein Elektrokraftwerkzeug (1) in einem Aspekt der vorliegenden Offenbarung weist einen Motor (21), einen Schlagmechanismus (23) und eine Steuerungsschaltung (56) auf. Die Steuerungsschaltung führt einen Motorsteuerungsprozess aus. Der Motorsteuerungsprozess weist ein Begrenzen einer Ausgabe des Motors in Erwiderung auf eine Erfüllung einer voreingestellten Bedingung auf. Die voreingestellte Bedingung basiert auf einer Last, die auf den Motor ausgeübt wird.

Änderung an der Oberseite eines Multicopters zum Einsatz als Werkzeug (z.B. Bohren, Sägen o.ä.)

Werkzeug dadurch gekennzeichnet, dass die Konstruktion bzw. die zentrale Platte eines Multicopters (1) erfindungsgemäß so verändert wird, dass auf deren Oberseite eine Plattform (2) mit den dafür geeigneten Mitteln fest oder auch demontierbar angebracht wird, auf diese dann ein Modul (3) mit den dafür geeigneten Mitteln fest oder demontierbar angebracht wird, welches eine Bohreinheit (4) beinhaltet, wobei diese einen separaten Motor erhalten kann, der einen Vor- und Rückwärtslauf aufweisen und ggf. einen separaten Akku oder dergleichen erhalten kann, ggf. ein Getriebe, eine Rutschkupplung, ein Bohrfutter, wobei es auch denkbar ist, dass das Bohrfutter durch verschiedene dafür geeignete Konstruktionen geöffnet bzw. wieder geschlossen werden kann, wobei es auch vorstellbar ist, dass das Bohrfutter durch ein Steuerungssignal vom Bedienungspersonal am Boden geöffnet werden kann, wobei das Modul (3) ebenso aus allen für den Betrieb notwendigen Einbauten und deren Verbindungen bestehen kann, ...

Magnetfuß

Magnetfuß (1) für eine Elektrowerkzeugmaschine (15), insbesondere für eine Magnetkernbohrmaschine (2), mit einem Grundkörper (3), in dem mindestens ein erster Magnet (16) aufgenommen ist, dessen Magnetkraft zwischen einer maximalen resultierenden Haltekraft und einer minimalen resultierenden Haltekraft schaltbar ist, wobei der Magnetfuß (1) eine erste Seite (7), die mit der Elektrowerkzeugmaschine (15) koppelbar ist, und eine gegenüberliegende zweite Seite (8) aufweist, die auf ein zu bearbeitendes Werkstück aufsetzbar ist, dadurch gekennzeichnet, dass der zweiten Seite (8) mindestens ein Verschleißindikator (9) zugeordnet ist.

Elektrowerkzeug

Ein Elektrowerkzeug wird bereitgestellt, umfassend: einen Bohrerhalter, der so konfiguriert ist, dass er einen schlagenden Bohrer und einen nicht schlagenden Bohrer halten kann; einen Betriebsmodusschalter, der einen Gang für den Modus mit Schlag und einen Gang für den Modus ohne Schlag umfasst; und ein Beurteilungselement, das elektrisch mit dem Bohrerhalter und dem Betriebsmodusschalter verbunden und dazu ausgelegt ist, in dem Fall, in dem der Bohrerhalter einen nicht schlagenden Bohrer hält und der Betriebsmodusschalter in dem Gang für den Modus mit Schlag ist, eine Leistungsausgabe, die dem Gang für den Modus mit Schlag entspricht, zu sperren oder mit einer reduzierten Leistung auszuführen.

Method for controlling of propelled engine by battery involves determining current value of output voltage of battery and comparison with pre-determined threshold value

The method involves determining current value of an output voltage of the battery (12) and comparison with pre-determined threshold value, which limits a lower voltage range over a speed-voltage relation of a motor speed of the motor (4). With the detected overstepping of the threshold value by the actual value, which is smaller than the one average value, the speed-voltage relation on another average value of the battery is adjusted between the threshold value and an upper reference value of the output voltage, where the another average value is largely zero. An independent claim is also included for a machine tool with a controller.

Handheld power tool e.g. cordless drilling tool has tool holder and handle casing that are relatively adjusted in rotational direction, while performing switching movement of drive unit and microswitches as casing rotational movement

The handheld power tool (1) has a tool holder (2) for receiving a tool (3), and a handle casing (5) for holding and guiding the tool main portion. The relative movement between the tool holder and the handle casing is transferred as a switching movement of a drive unit and microswitches. The tool holder and the handle casing are relatively adjusted in the rotational direction (7), and the switching movement is performed as the rotational movement of the handle casing.

Handgeführtes Arbeitsgerät

Ein handgeführtes Arbeitsgerät (1) besitzt ein Gehäuse (2), in dem ein Verbrennungsmotor (11) angeordnet ist. Der Verbrennungsmotor (11) besitzt einen Zylinder (19), der in einem in dem Gehäuse (2) gebildeten Zylinderraum (31) angeordnet ist. Um auf einfache Weise dem Bediener anzeigen zu können, ob Kaltstartbedingungen oder Warmstartbedingungen herrschen, ist vorgesehen, dass das Arbeitsgerät (1) Mittel zur Erfassung einer Temperaturinformation in dem Zylinderraum (31) beim Stillstand des Verbrennungsmotors (11) und eine Anzeigeeinrichtung (22, 22') zur Anzeige der Temperaturinformation besitzt.

Elektrohandwerkzeugmaschine

Die Erfindung betrifft eine Elektrohandwerkzeugmaschine (10), mit einer elektromotorisch angetriebenen Werkzeugspindel (16), mit einem zwischen der Werkzeugspindel (16) und einem Elektromotor (12) angeordneten Getriebe (13) und mit einem manuell verstellbaren Betätigungselement (22) mit einem Verstellweg, wobei der Verstellweg wenigstens zwei Funktionsbereiche (28, 29) aufweist, und wobei beim Umschalten von dem einen Funktionsbereich (28) in den anderen Funktionsbereich (29) eine mechanische Zusatzfunktion des Getriebes (13) mechanisch geschaltet wird. Erfindungsgemäß ist es vorgesehen, dass das Betätigungselement (22) als Teil des Motorschaltelements (21) zur Beeinflussung des Stroms durch den Elektromotor (12) ausgebildet ist.

Absaughaube zur Staubabsaugung beim Erstellen von Bohrungen oder Aussparungen

Absaughaube (1) zum Absaugen von Staub, der durch ein Werkzeug (5.1) bzw. (5.2), welches auf einer handgeführten Antriebsmaschine (13) montiert ist, entsteht, wobei die Absaughaube (1) nicht an der Antriebsmaschine (13) befestigt ist und ganz oder teilweise auf das zu bearbeitende Werkstück (7) gelegt wird, dadurch gekennzeichnet, dass die Absaughaube (1) eine verstellbare Abdeckung (2) der Absaugöffnung (9) besitzt.

Leistungswerkzeug

Leistungswerkzeug, welches eine Lithium-Ionen-Sekundärbatterie als eine Antriebsquelle verwendet, wobei die Lithium-Ionen-Sekundärbatterie einen tatsächlichen Durchmesser von 14 mm oder weniger hat; wobei, wenn ein Schalter, welcher in einem Hauptkörper von dem Leistungswerkzeug eingebaut ist, bedient wird, die Lithium-Ionen-Sekundärbatterie mit einer Antriebseinheit, welche einen Motor umfasst, verbunden wird, so dass das Leistungswerkzeug betätigt wird; wobei die Lithium-Ionen-Sekundärbatterie und eine Schutzschaltung zum Schützen der Lithium-Ionen-Sekundärbatterie innerhalb einer unabhängigen Batteriepackung eingebaut sind, welche dazu in der Lage ist, lösbar an dem Leistungswerkzeug angebracht zu werden; wobei die Batteriepackung in ein Inneres von einem Griffabschnitt von dem Leistungswerkzeug-Hauptkörper eingesetzt ist; wobei drei von den Lithium-Ionen-Sekundärbatterien innerhalb der Batteriepackung nebeneinander in die gleiche Richtung wie eine Axialrichtung von dem Griffabschnitt ...

Induktionsladeeinheit

Die Erfindung geht aus von einer Induktionsladeeinheit, insbesondere Handwerkzeuginduktionsladeeinheit, die dazu vorgesehen ist, in einem mit einem Induktionsakkumulator (14) gekoppelten Zustand eine Energie zu übertragen, mit zumindest einer Ladespule und mit einem Gehäuse (30), das zumindest einen Aufnahmebereich (36) zur Aufnahme des Induktionsakkumulators (14) in einem gekoppelten Zustand umfasst. Es wird vorgeschlagen, dass der zumindest eine Aufnahmebereich (36) zumindest eine Vertiefung (38) aufweist.

Handgeführte Werkzeugmaschine

Die Erfindung betrifft eine handgeführte Werkzeugmaschine (1) zum Antreiben eines Werkzeugs, umfassend: ein Gehäuse (2); einen in dem Gehäuse (2) aufgenommenen rotatorischen Antriebsmotor (3); ein an dem Antriebsmotor (3) angeordnetes elastisches Lager (8), um den Antriebsmotor (3) an dem Gehäuse (2) in einer radialen Richtung abzustützen; und ein Radiallager (9), das ausgebildet ist, um eine Antriebswelle (4) des Antriebsmotors (3) und eine abtriebsseitige Welle drehmomentfest zu koppeln und axial zu entkoppeln.

Tragbare Schneidvorrichtungen

Eine staubdichte Kreissäge (1) weist eine Basis (10), die auf ein Werkstück (W) aufgelegt wird, einen Kreissägenhauptkörper (20), der auf einer oberen Oberflächenseite der Basis (10) gelagert ist und mit einem elektrischen Motor (30) ausgestattet ist, und ein Sägeblatt (22) auf, das durch den elektrischen Motor (30) angetrieben wird und sich von der Basis (10) nach unten erstreckt. Die staubdichte Kreissäge (1) weist ferner ein Kühlungslüfterrad (36), das durch den elektrischen Motor (30) zum Leiten von Luft zu dem elektrischen Motor (30) zum Kühlen des elektrischen Motors (30) angetrieben wird, und einen Gebläsemechanismus (90) auf. Der Gebläsemechanismus (90) bläst die Sägespäne durch Blasen der Luft, die durch das Lüfterrad (36) erzeugt wird, aus dem Kreissägenhauptkörper (20) in eine durch einen Benutzer justierbare Richtung weg. Der Gebläsemechanismus (90) weist einen Luftauslass (91d), der zum Herausblasen der Luft konfiguriert ist, und einen Orientierungsänderungsmechanismus (94) ...

Handwerkzeugmaschine

Die Erfindung betrifft eine Handwerkzeugmaschine mit einem Gehäuse, in welchem ein Motor und eine Elektronik angeordnet sind, und mit zumindest einem Bedienelement. Es wird vorgeschlagen, dass das Bedienelement eine drahtlose Kommunikationseinheit aufweist, über die eine Schaltstellung des Bedienelements an die Elektronik übermittelbar ist.

Werkzeug und Verfahren zum Behandeln eines Werkstücks mit einem Werkzeug

Werkzeug (1; 2) zum Behandeln eines Werkstücks (3), mit einer Ermittlungseinheit (141; 1410) zur Ermittlung einer Eigenbewegung des Werkzeugs (1; 2), die während einer Messung eines Winkels (α) zwischen dem Werkzeug (1; 2) und dem Werkstück (3) ausgeführt wird, und einer Kompensationseinheit (142) zur Kompensation eines Winkelmessfehlers durch die von der Ermittlungseinheit (141; 1410) ermittelte Eigenbewegung, wobei der Winkelmessfehler aufgrund der Eigenbewegung des Werkzeugs (1; 2) entstand, die während der Messung des Winkels (α) ausgeführt wurde.

Handwerkzeugmaschinenvorrichtung und Verfahren zum Betrieb einer Handwerkzeugmaschinenvorrichtung

Die Erfindung geht aus von einer elektrischen Handwerkzeugmaschinenvorrichtung (10, 10’), insbesondere einer kabelgebundenen Handwerkzeugmaschinenvorrichtung (10, 10’), mit beweglichem Werkzeug (14, 14’), insbesondere einem Schneid- oder Sägewerkzeug. Erfindungsgemäß weist die elektrische Handwerkzeugmaschinenvorrichtung (10, 10’) eine Schutzvorrichtung (48) zur Erkennung eines stromführenden Kabels (38) in einem Gefahrenbereich (34) der Handwerkzeugmaschinenvorrichtung (10, 10’) auf, die zumindest einen Magnetfeldsensor (44) umfasst, der dazu vorgesehen ist, ein elektromagnetisches Wechselfeld in dem Gefahrenbereich (34) zu detektieren.

Elektrisches Kabel mit Netzstecker für ein Elektrogerät

Elektrisches Kraftwerkzeug und Verfahren zum Detektieren eines Rückpralls eines elektrischen Kraftwerkzeugs von einem Werkstück

Ein elektrisches Kraftwerkzeug (2) weist einen Hauptkörper (4, 6, 8), einen Motor (20), eine Antriebsvorrichtung (60), einen Detektor (80, 82, 84) und einen Rückprallbestimmer (80) auf. Der Rückprallbestimmer (80) bestimmt, dass der Hauptkörper (4, 6, 8) von einem Werkstück zurückprallt, wenn ein Lageänderungsausmaß des Hauptkörpers (4, 6, 8), das durch den Detektor (80, 82, 84) detektiert wird, während eines Antriebs des Motors (20) durch die Antriebsvorrichtung (60) eine im Voraus eingestellte Rückprallbestimmungsschwelle überschreitet.

Grundplatte mit integrierter Werkstückbeleuchtung

Die Erfindung betrifft eine Werkzeugmaschine (10), insbesondere Oberfräse, mit einer Grundplatte (14). Es wird vorgeschlagen, dass an der Grundplatte (14) mindestens eine Beleuchtungseinheit (30) angeordnet ist.

Motorvorrichtung

Die Erfindung geht aus von einer Motorvorrichtung mit einer elektrischen Antriebseinheit (10), die zumindest einen Permanentmagneten (12) umfasst, und mit zumindest einer Motorschutzeinheit (14), die zumindest ein Sensorelement (16, 18, 20) aufweist, die zu einer Erfassung zumindest einer Kenngröße der Antriebseinheit (10) vorgesehen ist.Es wird vorgeschlagen, dass die Motorschutzeinheit (14) zu einer Erkennung einer Entmagnetisierung des zumindest einen Permanentmagneten (12) anhand der zumindest einen Kenngröße vorgesehen ist.

Mobile Druckluftgeräteeinheit

Die Erfindung betrifft eine mobile Druckluftgeräteeinheit (10) mit einem mit Druckluft betriebenen Arbeitsgerät (11) und einer Druckluftspeichereinheit (12), die über eine Druckluftverbindung (13) miteinander verbunden sind, wobei die Druckluftverbindung (13) als Trägereinrichtung zur schlauchlosen Verbindung des Arbeitsgeräts (11) mit der Druckluftspeichereinheit (12) in einer definierten Relativanordnung und Ausbildung der Druckluftgeräteeinheit (10) als Handhabungseinheit ausgebildet ist, sowie eine Druckluftmindereinheit zur Ausbildung einer Druckluftverbindung (13) zwischen einem mit Druckluft betriebenen Arbeitsgerät (11) und einer Druckluftspeichereinheit (12).

Hand-held power tool is provided with tool spindle and drive unit to drive tool spindle at certain speed, where locking device is also provided

The hand-held power tool is provided with a tool spindle (12) and a drive unit (14) to drive the tool spindle at a certain speed, where a locking device (16) is also provided. The locking device has a locking element. A tool chuck (20) is formed one-piece with the tool spindle. The drive unit is connected to the tool spindle without gears.

Handwerkzeuggerät und Verfahren zum Wechseln eines Betriebsmodus des Handwerkzeuggeräts

Die Erfindung betrifft ein Verfahren zum Wechsel eines Betriebsmodus bei einer Handwerkzeugmaschine 10 sowie eine Handwerkzeugmaschine 10, wobei die Erfassungseinrichtung 70 ausgebildet ist, eine Bewegung der Handwerkzeugmaschine 10 im Raum zu erfassen, wobei die Erfassungseinrichtung 70 mit der Programmwahleinrichtung 120 verbunden ist und ein in Abhängigkeit der erfassten Bewegung korrespondierendes Bewegungssignal 172 bereitstellt, wobei die Programmwahleinrichtung 120 wenigstens einen ersten Betriebsmodus und einen zweiten Betriebsmodus 230 aufweist und ausgebildet ist, den Betriebsmodus in Abhängigkeit des Bewegungssignals auszuwählen, wobei ferner die Programmwahleinrichtung 120 mit der Steuereinrichtung 125 verbunden ist und ein Betriebszustandsignal 173 der Steuereinrichtung erfasst, wobei die Programmwahleinrichtung 120 den Betriebsmodus bei einem Betriebszustandssignal 173 auswählt, das mit einem lastfreien Betriebszustand der Antriebseinrichtung 30 korreliert.

Elektrowerkzeugmaschine mit einem Schiebeschalter

Bei einer Elektrowerkzeugmaschine (10) mit einer Werkzeugaufnahme (20) und einem Werkzeuggehäuse (24), in dem ein Antriebsmotor (12) zum Antrieb der Werkzeugaufnahme (20) angeordnet ist, wobei an dem Werkzeuggehäuse (24) ein mittels einer Rückstellfeder axial vorgespannter Schiebeschalter zum manuellen Ein- und Ausschalten des Antriebsmotors (12) längsverschiebbar in Richtung einer Längsachse (32) des Werkzeuggehäuses (24) und/oder verschwenkbar in Bezug zu der Längsachse (32) angeordnet ist, ist mindestens eine Haltegeometrie vorgesehen, die dazu ausgebildet ist, beim manuellen Aufbringen einer vorgegebenen Haltekraft (F) auf den Schiebeschalter durch einen Benutzer den Schiebeschalter in einem Haltezustand zu halten und bei einer Freigabe des Schiebeschalters durch den Benutzer den Schiebeschalter selbsttätig in einen Ruhezustand zu versetzen, wobei der Antriebsmotor (12) im Haltezustand eingeschaltet und im Ruhezustand ausgeschaltet ist.

Stabförmige Handwerkzeugmaschine mit einem Schiebeschalter zum Ein- und Ausschalten eines Antriebsmotors

Bei einer Handwerkzeugmaschine (10) mit einem Gehäuse (14), in dem ein Antriebsmotor (16) zum Antrieb eines zugeordneten Einsatzwerkzeugs (20) angeordnet ist, und mit einem Schiebeschalter (36) zum Ein- und Ausschalten des Antriebsmotors (16), kann der Schiebeschalter (36) eine Vielzahl von Betriebspositionen einnehmen, wobei durch eine Veränderung der Betriebsposition des Schiebeschalters (36) die Drehzahl des Antriebsmotors (16) variierbar ist.

WERKZEUG UND VERFAHREN ZUR BEHANDLUNG EINES WERKSTÜCKS MIT EINEM WERKZEUGELEMENT EINES WERKZEUGS

Es ist ein Werkzeug (10) und ein Verfahren zur Behandlung eines Werkstücks (2; 2, 3) mit einem Werkzeugelement (18) eines Werkzeugs (10) bereitgestellt. Das Werkzeug (10) umfasst ein Werkzeugelement (18) zur Behandlung eines Werkstücks (2; 2, 3), und eine Beleuchtungseinrichtung (23) zur Beleuchtung des zu behandelnden Werkstücks (2; 2, 3) an der zu behandelnden Stelle des Werkstücks (2; 2, 3) und zur Anzeige von Informationen über den Zustand der Behandlung des Werkstücks (2; 2, 3) mit dem Werkzeugelement (18) an der zu behandelnden Stelle des Werkstücks (2; 2, 3) mit der Beleuchtung, wobei die Beleuchtungseinrichtung (23) zur Anzeige der Informationen mit von einer Steuereinrichtung (25) gesteuerten vorbestimmten Strahlungseigenschaften der Beleuchtungseinrichtung (23) ausgestaltet ist.

WERKZEUG UND VERFAHREN ZUR BEHANDLUNG EINES WERKSTÜCKS MIT EINEMWERKZEUGELEMENT EINES WERKZEUGS

Es ist ein Werkzeug (10) und ein Verfahren zur Behandlung eines Werkstücks (3; 3, 4) mit einem Werkzeugelement (18) eines Werkzeugs (10) bereitgestellt. Das Werkzeug (10) hat ein Werkzeugelement (18) zur Behandlung eines Werkstücks (3; 3, 4), und eine Steuereinrichtung (23) zur Auswertung eines von einer Erfassungseinrichtung (233) erfassten Drehwinkels (WH; WV, WH), mit welchem das Werkzeug (10) im Raum angeordnet ist, nachdem eine Behandlung des Werkstücks (3; 3, 4) mit dem Werkzeugelement (18) ausgeführt wurde, und zur Freigabe der Steuerung des Werkzeugs (10) abhängig davon, ob das Werkzeug (10) nach der Behandlung des Werkstücks (3; 3, 4) mit einen vorbestimmten Drehwinkel (234) im Raum angeordnet wurde.

System aus einer Handwerkzeugmaschine und einem Zubehör

Die Erfindung betrifft ein System aus einer Handwerkzeugmaschine mit einer Energieversorgung, einem Zubehör, wobei das Zubehör über eine Zubehörschnittstelle mechanisch mit der Handwerkzeugmaschine verbindbar ist, und einer Kommunikationseinheit. Es wird vorgeschlagen, dass über die Kommunikationseinheit ein Status des Systems, über den die Handwerkzeugmaschine und das Zubehör identifizierbar sind, an eine externe Vorrichtung übermittelbar ist, und die Kommunikationseinheit mit einer Steuereinheit verbunden ist, über die das System basierend auf einem Steuersignal der externen Vorrichtung steuerbar ist.

Elektrohandwerkzeuggerät

Instrument zur Kompensation des Handzitterns bei der Manipulation feiner Strukturen

The invention relates to an instrument for the manipulation of fine structures which detects trembling of the hand, which it compensates by countermovements of the tip of the instrument. A possible principle area of application is in microsurgery, as the activities carried out there can be obstructed by the trembling of the hand of the operator. Trembling of the hand is detected by movement sensors, by repeated analysis of the position of the part (1) of the instrument held by the hand, or by deriving electromyographic signals from the operator's forearm. Intentional and unintentional movements are distinguished from each other by one or more criteria, such as amplitude, speed, frequency and direction of the movement. In order to compensate undesired movements, signals are sent to an arrangement of actors (3), which, at the mobile part (4) of the instrument, cause deviations which compensate the hand trembling at the tip of the tool. When the instrument is used as a needle holder in surgery ...

Sicherungsring

Sicherungsring (10) zur formschlüssigen, mindestens einseitigen Fixierung einer Welle (18, 36) mit einem vorgegebenen Außenradius (rAL) in einer Axialrichtung relativ zu einer Nabe (22, 38) mit einem vorgegebenen Innenradius (rIN), mit einem Außenradius (rAS), der mindestens in einem ersten Winkelsegmentbereich (A1, A2, A3) größer als der Innenradius (rIN) der Nabe (22, 36) ist, einem Innenradius (rIS), der mindestens in einem zweiten Winkelsegmentbereich (B1, B2) kleiner als der Außenradius (rAL) der Welle (18, 36) ist, sowie mit einer in Umfangsrichtung verlaufenden Unterbrechung in einem dritten Winkelsegmentbereich (C) zum Aufspreizen und/oder Zusammendrücken bei der Montage oder Demontage, gekennzeichnet durch eine innere Mantelfläche, die mindestens in einem vierten Winkelsegmentbereich (B1, B2) gegenüber der Axialrichtung geneigt ist.

Power hand tool with compact construction

A power hand tool 10 comprises a drive shaft 14 which is connected with a tool clamping unit 15 and a drive motor and which is co-operable with torque coupling means 12, the torque coupling means comprising a setting ring 20 coupled with a transmission element 21 which, for setting a torque, co-operates with at least one setting device 25. The transmission element is arranged at the outer circumference of a housing 22 to be axially and/or radially adjustable and, in at least one setting of the setting ring, axially protrudes beyond the housing in the direction of the tool clamping unit. This allows for a shortened length, compact construction. The power tool particularly relates to a battery-operated screwdriver, drill-screwdriver or hammer-drill.

Hand tool machine

Powered tool

Optical marking mechanism and method for marking lines for a power tool

Hand tool machine

Multi power tool system incorporating battery pack

A power tool

A power tool such as a router 100 has a main switch mounted on the tool’s housing and connected to the tool’s motor and power source. A detachable remote switch 500 connects to the motor and power source to remotely actuate the power tool. Also claimed is a worktable 602 having mounted thereon a switch for remotely operating a power tool. Also claimed is a worktable and power tool assembly. The worktable comprises a remote switch and a power tool mounting. The power tool comprises a plug or socket connected to the tool’s motor and power source and connectable to the worktable’s remote switch. Also claimed is a power tool having a handle with a door that opens to expose a socket connected to the tool’s power source and connectable to an electric accessory. Also claimed is a power tool comprising a port for connecting a detachable switch to the tool’s motor and power source. Also claimed is a remote switch accessory for remotely operating a power tool. The switch comprises a plug or socket ...

Hand-held power tool device

Saw assembly with floating bearing for worm drive and motor shaft

PNEUMATIC ROTARY TOOL

Electrical devices including a switched reluctance motor

Battery pack system for hand-held power tools

Electric tool with light source generator

In an electric tool having a power generating arrangement, wherein the power generating arrangement comprises a magnet rotatable about an axis of rotation, as well as a means of generating power with the aid of the magnetic field of the magnet, a construction that is particularly space-saving in terms of width is achieved in that the distance of the means from the axis of rotation of the magnet corresponds to the distance of the magnet from the axis of rotation.

Electric power supply device for an electric load

Holding strap for curved screwstrip

A pneumatically operated power tool

A power tool comprises a tool body housing a pneumatic motor and means (14, 15, 16, 31) for switching the motor on and off, and a removable adaptor (18) defining an exhaust outlet surrounding an air inlet (17) to the tool, the adaptor being interchangeable with a further adaptor Fig. 11 which defines an exhaust outlet (36) offset from the air inlet. A control top (10) incorporating a valve (14, 15) and adapted to make the tool reversible may be interchangeable with a further control top adapted to make the tool non-reversible. ...

PNEUMATIC ROTARY TOOL

Industrial vibration monitor attached to body of operator

A vibration monitor 1 for monitoring the exposure of an operator to vibration (eg caused by power tools, pneumatic cutting tools, machinery) can be attached to the operator's arm, wrist or leg (eg by a strap 16). A sensor measures the magnitude and frequency of the vibration and stores time and date stamepd data in flash memory. Data may be downloaded to an external unit (eg PC) via a serial communications link for analysis. A spectrograph is generated and the exposure of the user over a period of time is determined. The monitor may also include a temperature sensor.

Auxiliary handle

Power tool with an automatic alignment function for interchangeable cutting tool carriers

A power tool 100 comprises an interchangeable cutting tool carrier 2, (3, Fig 2) and a main body 1, including a transmission mechanism and motor (10, Fig 3). The transmission mechanism includes driving device 15, 17, 18 mounted on shaft 11 and coupled to connection mechanism (4, Fig 2) on cutting tool carrier 2, (3, Fig 2), and further includes first and second elements (81, Fig 3; 82, Fig 5) that are mutually repelled. First element (81, Fig 3) may be permanently fixed on shaft 11, and second element (82, Fig 5) may move along shaft 11, whilst both elements (81, Fig 3; 82, Fig 5) may move together with driving device 15, 17, 18. First and second elements (81, Fig 3; 82, Fig 5) may be magnets orientated so that their magnetic poles oppose each other, and there may be a stopper 9 for restricting the displacement of driving device 15, 17, 18, which may be an elliptical device 17, 18 coupled the transmission mechanism. Second element (82, Fig 5) may be able to move relative to first element ...

Electric tool

An auxiliary switch has an operation portion and a switch body switching on and off by receiving the movement of the operation portion, and the operation portion is mounted to a left side surface, a right side surface of the housing covering a region between the motor and the main switch, the switch body is accommodate within a space of the housing positioned on the left side and the right side of the man switch, and a space is defined between the motor and the main switch within the housing due to the spaced positioning of the left or right auxiliary switch.

Machine tool having a spindle driven by a drive device

Disclosed is a machine tool having a spindle driven by a drive device, the spindle having a receiving device on its free end for a tool or a tool holder, an input part being provided in the drive train of the drive device, the input part transferring a torque having a defined play in the direction of rotation via drivers to an output part which is joined in a rotationally fixed manner to the spindle, while a torque acting from the spindle in the direction of the drive device and exceeding a torque on the input side is supported on the housing of the machine tool via clamping surfaces on the periphery of the output part, via clamping elements and via a locking ring having a hollow cylindrical surface. The output part is a driving profile having two or more axially parallel planes, of which a first part acts as clamping surfaces and a second part acts as driving surfaces which cooperate with the drivers of the input part.

Side handle

A side handle for a power tool comprising: a central bar; a tubular grip which is mounted on and surrounds the central bar via a vibration dampener; the vibration dampener comprising a spring having a central plate, which is mounted in a non moveable manner on the central bar, and a plurality of resiliently deformable arms attached to the plate and which extend away from the plate towards the grip, the ends of each of the arms being non moveably attached to the grip.

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.

Machine Tool, in particular Hand Machine Tool

A tool machine has a housing assembled by two separate housing parts and an air directing element arranged in the housing, wherein the air directing element is implemented independently from a connection device for connecting the housing parts. The air directing element is forced by a housing part axially in a seat in the other housing part, wherein in the transmission path between the housing parts and the air directing element a spring element is arranged.

Handheld power tool with air-guiding element

A handheld power tool, including a housing wall and a fan device with an air intake and an air outlet in the housing wall. The fan device has an air guide, and an outflow space is delimited between, on the one hand, the housing wall at the air outlet and, on the other hand, an outflow side of the air intake, as well as laterally by a first surface contour and by a second surface contour of the air guide. The first surface contour and the second surface contour each extend from the housing wall to the outflow side of the air-intake means, and the air-guiding element is shaped in such a way that the size of the cross-sectional surface of the outflow space increases continuously crosswise to the outflow direction of the air intake in the outflow direction.

Fastener driving tool and method for operating a fastener driving tool

A fastener driving tool and method for driving fasteners into a substrate is disclosed. The tool includes a working piston that is capable of being moved abruptly translationally so as to drive a fastener, such as a stud or a nail. In order to further improve the handling and/or energy efficiency during operation of a fastener driving tool, the fastener driving tool includes an operating device that enables switching between a manual and an automatic output-power regulating mode.

Power tool

The power tool has a power transmitting mechanism. When a tool bit is not pressed against a workpiece, the power transmitting mechanism is held in a power transmission interrupted state, and when the tool bit is pressed against the workpiece, the power transmitting mechanism is held in a power transmission state in which the tool bit moves together with the driven-side member in an axial direction of the tool bit so that the driving-side member receives the torque from the driven-side member and the tool bit is driven. Tapered portions are provided between the driving-side member and the driven-side member and inclined with respect to the axial direction of the tool bit. When the driven-side member moves in the axial direction of the tool bit, frictional force is caused on the tapered portions and the torque of the driving-side member is transmitted to the driven-side member by the frictional force.

Industrial Tool

An industrial and electrically driven tool includes two mutually independent radio modules so that a redundant communication link to a controller can be set up.

Power tool

A power tool that includes a driving motor and a power transmitting mechanism. The power transmitting mechanism includes a first clutch cam part, a second clutch cam part, clutch teeth, a clutch detecting mechanism and a controller that can control the driving motor in a first control mode in which the driving motor is controlled to rotate at a first rotation speed until before the first and second clutch cam parts are engaged with each other at the clutch teeth and in a second control mode in which the driving motor is controlled to rotate at a second rotation speed higher than the first rotation speed after the first and second clutch cam parts are engaged with each other at the clutch teeth.

Power tool

The invention provides a transmission assembly and a power tool. One form of the power tool includes a rotatable driven member for releasably gripping and rotating a working element and a transmission assembly for transmitting rotation from a motor to the driven member. The transmission assembly includes a rotatable input shaft and first and second rotatable output shafts. In a first speed setting the input shaft is selectively lockable together with the first output shaft so that the locked input shaft and first output shaft rotate in unison to drive rotation of the driven member at a first speed of rotation relative to a speed of rotation of the motor. In a second speed setting the input shaft is selectively lockable to the second output shaft so that the locked input shaft and second output shaft rotate in unison to drive rotation of the driven member at a second speed of rotation relative to the speed of rotation of the motor. Another form includes a torque controller operable for controlling torque supplied from the motor to the driven member to render the driven member stationary when the amount of torque supplied from the motor to the driven member exceeds a pre-determined level. Another form includes a switch mechanism for adjusting the transmission assembly between the first and second speed settings and for rendering the torque controller operable or inoperable. Another form includes a torque controller for use with a power tool and operable for controlling torque transmitted from an input shaft to an output shaft.

Automatic transmission for a power tool

A transmission assembly for a power tool includes a first transmission path comprising a high speed transmission path, a second transmission path comprising a low speed transmission path, a controller for one of engaging and disengaging the high speed transmission path, and a clutch for enabling the low speed transmission path to operate at a lower speed than an output of the transmission assembly when the high speed transmission path is engaged.

Transmission device

The invention relates to a gearbox device, in particular, for a hammer drill or chisel, with a torque transmission mechanism, which has a first torque transmitting region for transmission of a torque to a first component and at least one second torque transmitting region for transmitting a torque to a second component. According to the invention, the first torque transmitting region and the second torque transmitting region at least partly have a corresponding partial contour for transmitting the torques.

Battery pack

An electrical combination including a driver drill capable of producing an average current draw of approximately 20-amps, a circular saw capable of producing an average current draw of approximately 20-amps, and a power tool battery pack operable to supply power to the driver drill and to the circular saw, the battery pack including a plurality of battery cells, the plurality of battery cells each having a lithium-based chemistry.

Home power management system

Systems and methods for managing power usage are provided. The system includes a programmable microprocessor, at least one input mechanism, a memory having instructions and/or other information, a display, at least one power consuming power device and a remote server. The systems allows the user of a power consuming device to receive instructions or other information from the server. The method includes using stored program instructions to generate power device related information on a display, collecting power device data representative of the electrical current or power consumed, connecting to a remote computing facility having a server, and providing the data to a computer remotely located from the central server.

Impact tool

An impact tool including: a motor including, a rotor, a stator, and a detecting device that detects a rotation position of the rotor; a hammer driven by the motor so as to be rotated; an anvil configured to rotate relatively to the hammer and is struck by the hammer; and an output shaft connected to the anvil; wherein the anvil is struck by the hammer by rotating the hammer in a forward rotation direction by a second predetermined amount after rotating the hammer in a reverse rotation direction by a first predetermined amount, and wherein the first predetermined amount and the second predetermined amount are controlled based on a rotation angle that is obtained based on an output of the detecting device.

Power tool

Provided is a power tool which is capable of more reliably detecting excessive reaction torque acting on a tool body. More specifically, provided is a handheld power tool which causes a tip tool to rotate so as to carry out a predetermined machining operation, the handheld power tool comprising a tool body, a motor which is housed in the tool body and causes the tip tool to rotate, a first sensor which detects the torque state of the tip tool, a second sensor which detects the motion state of the tool body, and a torque cut-off mechanism which cuts off the transmission of torque between the motor and the tip tool. The torque cut-off mechanism is configured to cut off the transmission of torque on the condition that the first sensor and the second sensor respectively detect a preset threshold value for the first sensor and the second sensor.

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.

Method and device for operating a power tool

In a method for operating a power tool having an electric motor which is supplied with operating current and operating voltage during the operation, a root-mean-square value of the power output of the electric motor is regulated upon exceeding a predefined limiting value of the electrical power output of the electric motor in such a way that it maximally reaches the limiting value.

Electronic switching module for a power tool

An electronic power apparatus is provided, including a circuit board having a conductive pads and a sense pad coupled to an output signal, and an actuator having a wiper portion accommodating a conductive wiper. The wiper includes a first end arranged to engage the sense pad and a second end arranged to slidably engage at least one of the conductive pads on the circuit board. The conductive pads are arranged in a first row of conductive pads and a second row of conductive pads in parallel with and at a distance to the first row of conductive pads. An alignment of the second row of conductive pads is offset with respect to the first row of conductive pads.

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.

Electric machine tool comprising a starting inhibitor

In an electric machine tool having an electronics unit for implementing a starting lockout, the electric machine tool being connectable to an associated power source in an electrically conductive manner, the electronics unit is configured to receive power from the power source only for a limited, predefined period of time after an electrically conductive connection between the electric machine tool and the power source has been established.

Impact tool

In an impact tool, a hammer case into which an output shaft of a motor is inserted is assembled to the front of a housing containing a stator core. In the hammer case, a spindle to which rotation is transmitted from the output shaft of the motor is provided. The rear end of the hammer case is coupled with a bearing box. In the housing, a partition wall through which the output shaft passes is provided between the stator core side and the hammer case side. On the housing, an air inlet is provided. An electric circuit board is provided on the front face of the stator core to close the front face with the output shaft passing therethrough. Between the electric circuit board and the partition wall, a waterproof member through which the output shaft passes is provided to close the gap therebetween.

Charge control scheme for use in power tools

A simplified control scheme is presented for use in a power tool. The power tool may be comprised of two or more lithium-ion battery cells connected in series and operable to drive the motor in the tool. A charging circuit is configured to receive a charging current from an AC adapter and to supply the charging current to the battery cells. A microcontroller monitors the voltage of the battery cells and terminates charging of the battery cells in accordance with the monitored voltages of the battery cells. The microcontroller does not receive power from the battery cells but is only powered by the AC adapter. Of note, each of the battery cells preferably employs an electrolyte composition comprised of a redox shuttle material. In combination with other tool components, the use of the redox shuttle material reduces or eliminates the need for expensive charge and discharge controls, thereby reducing the cost of the tool.

Lighted power tool

A power tool includes a tool body having an output member that drives an accessory. An end effector is coupled for rotation with the output member. A light source is disposed on the end effector. A primary coil assembly is configured on the tool body and mounted concentric to the output member. The primary coil assembly includes a primary coil that is electrically connected to a power source of the power tool. A secondary coil assembly is configured on the end effector and mounted concentric to the output member. The secondary coil assembly includes a secondary coil that is electrically connected to the light source. Current flowing through the primary coil creates a magnetic field that causes current to flow through the secondary winding and power the light source.

Drilling Device

A drilling device drilling to a desired depth without a gauge. The drilling device includes a distance sensor positioned on an imaginary line spanning between a front end of the housing and a hand gripped portion. The distance sensor is away form a front end of a gear housing by a distance Ls. The distance sensor provides an effective measurement range. The relationship of L 1 ≦Ls and Ls+Lb≦L 2 is satisfied where L 1 represents a distance between the distance sensor and a point closest to the distance sensor and defining a lower limit of the effective measurement range, L 2 represents a distance between the distance sensor and a point farthest from the distance sensor and defining an upper limit of the effective measurement range, and Lb represents a distance between the front end of the housing and a tip end of the end bit.

Devices including power tools with non-binding linear slides and associated methods

Devices with non-binding linear slides include: (a) a device body and first and second spaced apart linear rails held in the device body; (b) first and second spaced apart (rail) pathways held in cooperating alignment with the rails in the body, a respective one engaged with a respective one of the first and second linear rails that define spaced apart contact points; and (c) a translating actuation (e.g., input) member held by the body in communication with the rails. The actuation (e.g., input) member has a configuration that can generate off-center loads associated with forces applied at different positions of the actuation (e.g., input) member. Only one pathway and rail pair guides linear movement for the first and second force positions to thereby inhibit frictional binding.

Switchable gear drive for a handheld power tool

A switchable gear drive for a handheld power tool has two gears which are to be engaged via an adjustable switching member, the switching member being in a locked position with a retaining ring which is fixedly held on a housing in a first gear and being in an unlocked position with the retaining ring in a second gear. Furthermore, a spindle for accommodating a tool is drivable by an axially spring-loaded gear wheel supported in the housing, the gear wheel being axially supported on the retaining ring on the side diametrically opposed to the switching member. The retaining ring is designed as a circumferential, closed ring.

Bidirectional cross airflow machine tool

A bidirectional cross airflow machine tool includes a housing chamber to hold a tool spindle and air inlets and air outlets at two sides thereof. The tool spindle is coupled with a balance weight member which includes a first balance weight portion and a second balance weight portion arranged in an up and down fashion so that the tool spindle generates eccentric rotation against the machine tool. The first and second balance weight portions respectively have a first vane set and a second vane set. The first vane set sucks air via the air inlets at one side of the machine tool during rotation of the tool spindle. The air is transmitted from the first vane set to the first and second balance weight portions, and then is discharged via the second vane set through the air outlets at another side of the machine tool to form cross cooling airflow.

Coupling with safety lock of the driveshaft of a hand-tool

A coupling has a safety lock and receives a flexible driveshaft with a tube into a hand-tool. The coupling contains a pinion as part of a drive transmission of the hand-tool and a lever on a handle. An opening of the pinion can be connected to an end of the driveshaft, and the lever engages into a retaining groove of the tube as long as the lever is gripped together with the handle. In a drive position, a direct positive engagement between the driveshaft and the pinion is produced, and the transmission is thus driven. The coupling contains a spring that pushes the driveshaft into a rearward rest position as soon as the lever on the handle is released, whereby the positive engagement between the driveshaft and the pinion is disengaged and the transmission is thus set to rest.

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 ...

WORK MACHINE HAVING MAIN POLE

A work machine includes a main pole internally including a rotation shaft, a tool unit located at one end of the main pole, and a power unit located at another end of the main pole. The main pole includes a first partial pole, a second partial pole and a joint member that joints them to each other. The first partial pole includes a positioning member. The joint member includes a positioning hole configured to engage with the positioning member and a guide groove extending from the positioning hole. The guide groove is configured to guide the positioning member to the positioning hole and to allow the positioning member to escape in at least a section thereof. 1. A work machine , comprising:a main pole internally comprising a rotation shaft;a tool unit located at one end of the main pole and configured to hold a tool connected to the rotation shaft; anda power unit located at another end of the main pole and comprising a prime mover configured to drive the rotation shaft;wherein the main pole comprises a first partial pole, a second partial pole and a joint member attached to the second partial pole,the joint member comprises a through hole configured to accept insertion of the first partial pole from one side, wherein the first partial pole is configured to be removably inserted to the through hole;the first partial pole comprises a positioning member configured to be biased toward the joint member,the joint member comprises a positioning hole configured to engage with the positioning member and a guide groove extending from the positioning hole toward the one side of the through hole and configured to guide the positioning member to the positioning hole, andat least a section of the guide groove is an escapable section configured to allow the positioning member to escape from the guide groove.2. The work machine as in claim 1 , wherein the escapable section of the guide groove has a cross-sectional shape that allows the positioning member to disengage from the ...

Forward/reverse rotation control device of pneumatic tool

A forward/reverse rotation device of a pneumatic tool comprising a clutch switch that can be pressed towards the inside of a switching valve to separate a steering switch from its connection with a positioning element, and the steering switch is turned from a side of a handle of the pneumatic tool to the other opposite side, and the clutch switch is bounced to resume its original position by the support of an elastic element, so as to connect the steering switch with the positioning element again. A sleeve portion of the steering switch is coaxially and pivotally installed at a center rod of the clutch switch, and the steering switch is turned between both sides of the handle and maintained to be pivotally turned on the center rod.

Electric power tool with an electronic cooling

An electric power tool for processing a substrate is disclosed. The electric power tool includes a tool which is designed to be rotatable around a rotational axis, a motor assembly having at least one motor which rotates the tool around the rotational axis, a motor housing having at least one receiving area for the at least one motor, a cooling element for cooling the at least one motor, and an electronic assembly having at least one electronic component to be cooled. The cooling of the at least one electronic component to be cooled is carried out via the motor housing.

Impact Tool

An impact tool ( 1 ) includes a motor ( 3 ); a hammer ( 42 ) having a rotational axis extending in a first direction, the hammer ( 42 ) being rotatable in a rotational direction including a forward direction and a reverse direction opposite to the forward direction by the motor ( 3 ) and being movable in the first direction and a second direction opposite to the first direction; an anvil ( 52 ) disposed at the first direction side of the hammer ( 42 ) and strikable by the hammer ( 42 ) in the forward direction, the hammer ( 42 ) that has been struck the anvil ( 52 ) being moved in the second direction to come free from the anvil ( 52 ); and a fixing member ( 45 A, 46 A) that selectively allows the hammer ( 42 ) to move in the second direction or prevents the hammer ( 42 ) from moving in the second direction.

Power Tool and Battery Pack for Use in the Power Tool

A power tool includes: a battery cell group including a plurality of secondary battery cells; a motor to which an electric power is supplied from the battery cell group through a switching element and a trigger switch; a current detector detecting a current value flowing in a current path; and a controller configured to receive a detection signal from the current detector and controls on/off operation of the switching element. If the current detector detects that the current value flowing in the battery cell group continuously exceeds a given value for a first time period, the controller conducts one of alarm display and alarm control for allowing an operator to recognize that a high load operation continues. If the current value continuously exceeds the given value for a second time period longer than the first time period, the controller turns off the switching element to interrupt the current path.

POWER TOOL

A power tool with an epicyclically or so called planet gear system with two annulus gears, at least one solar gear with external toothing, and planet wheels having two toothed rings which each mesh with one of the annulus gears. A planet carrier holding the planet wheels. The gear is interchangeable between an at least first configuration and second configuration, wherein the planet carrier is interchangeable between being locked or partly locked rotationally to the frame or being unlocked rotationally from the frame. 115-. (canceled)16. A power tool comprising:a frame;a motor;a rotor rotatable relative to the frame by the motor and capable of manipulating a tool; at least two internally driven annulus gears, including a primary annulus gear and a secondary annulus gear,', 'an externally driven sun gear,', 'a planet carrier, and', 'at least one planet wheel carried by the planet carrier and arranged to transfer torque between the sun gear and one of the annulus gears; wherein each annulus gear, the sun gear and the planet carrier are rotatable concentrically around a central axis, each planet wheel rotatable epicyclically around the central axis, and each planet wheel comprising at least two concentrically joined gear wheels; and, 'a transmission for transmitting power between the motor and the rotor, the transmission comprisinga gear change structure allowing shifting between at least a first and a second configuration, the planet carrier being locked rotationally or partly locked rotationally to the frame in the first configuration and the planet carrier being released from rotational limitations of the frame in the second configuration.17. The tool as recited in wherein the planet carrier is connected to the rotor in the second configuration.18. The tool as recited in wherein the planet carrier is connected to the motor in the second configuration.19. The tool as recited in wherein the sun gear is connected to the motor in the first or second configuration.20. ...

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 “ ...

Protective Sensor System for a Hand-Held Power Tool

The disclosure relates to a hand-held power tool comprising a housing having a handle portion, a tool portion for a tool that can be driven to move linearly and/or oscillate, an operator part on the housing side for the activation of the tool and/or the power tool on the user side, a drive unit for producing a working movement of the tool, an electronic unit for supplying the drive unit at least with open-loop control and/or closed-loop control signals, and an operating voltage unit for making an electrical DC voltage available, the drive unit comprising at least one excitation actuator having a volume of an excitation-active material, which actuator is supplied with power by the operating voltage unit when operated and which is controlled in an open or closed loop control by the electronic unit.

Battery assembly with alarm

A battery alarm for use with a battery assembly is provided, the battery alarm including a first activation component, a signaling component, and an output component. The first activation component is configured to activate the alarm upon disengagement of the battery assembly from a battery-operated device and is further configured to deactivate the alarm upon engagement of the battery pack with the battery-operated device. The signaling component is coupled to the first activation component and is configured to transmit a signal when the alarm is activated. The output component is adapted to receive the signal from the signaling component and is configured to produce a visual, audible, and/or tactile output upon receipt of the signal from the signaling component.

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 ...

POWER TOOL HAVING ROTARY INPUT CONTROL

A power tool has a housing, an output member coupled to the housing, and a motor, rotational motion sensor, timer, and control circuit in the housing. The timer is initiated, and the rotational motion sensor monitors rotational motion of the housing about an axis. The control circuit determines the direction of the rotational motion of the housing, whether the direction is different from a previous direction of rotational motion of the housing, and whether a value for the timer exceeds a predetermined threshold. If the direction is different from the previous direction and the timer value is less than the predetermined threshold, the control circuit initiates a protective action for the power tool. The control circuit also drives the motor to cause the output member to rotate in a direction that corresponds to the detected rotational motion of the housing. 1. A method for operating a power tool having a housing and an output member coupled to the housing , the method comprising:initiating a timer;monitoring rotational motion of the housing about a housing axis using a rotational motion sensor disposed in the housing;determining a direction of the rotational motion of the housing about the housing axis, using a control circuit;determining whether the direction of the rotational motion is different from a previous direction of rotational motion of the housing about the housing axis;determining whether a value for the timer exceeds a predetermined threshold;if the direction is different from the previous direction and the timer value is less than the predetermined threshold, initiating a protective action for the power tool; andusing 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 initiating a protective action for the power tool comprises shutting down operation of the motor for a predetermined period of ...

Electric Supply Cable Sheath For A Power Tool

A power tool comprising: a housing; a cable outlet with a central axis; an motor; a flexible electrical supply cable; a cable sheath for protecting supply cable projected through the cable outlet and for directing unprotected supply cable away from the central axis wherein the sheath is rotatable to change direction of unprotected supply cable; and locking means for locking the sheath in one of a plurality of rotational orientations. The locking means comprises: a receiving member connected to one of the sheath or the cable outlet; an engaging member connected to the other of the sheath or the cable outlet; and a biasing means for biasing the engaging and receiving members into engagement to lock the sheath in a rotational orientation, wherein movement of the sheath against the biasing means disengages the engaging and receiving members and unlocks the sheath for rotation. 1. A power tool comprising:a housing;a cable outlet through the housing wherein the cable outlet has a longitudinal central axis);an electric motor for driving a work tool to perform a machining operation on a work-piece wherein the motor is located in the housing;a flexible electric supply cable for supplying electric current to the motor;a tubular sheath for protecting supply cable projected through the cable outlet and for directing unprotected supply cable at an inclined angle away from the cable outlet central axis wherein the sheath is rotatable in relation to the cable outlet to change direction of unprotected supply cable in relation to the cable outlet; anda locking means for locking the sheath in a plurality of rotational orientations in relation to the cable outlet,wherein the locking means comprises:a receiving member connected to one of the sheath or the cable outlet;an engaging member connected to the other of the sheath or the cable outlet; anda biasing means for biasing the engaging member into engagement with the receiving member to lock the sheath in one of the plurality of ...

Accessory Attachment System for an Oscillating Power Tool

An accessory attachment system for a power tool having an elongated housing with a nose portion, an output shaft to which a cutting blade that oscillates through a small angle is attached, the attachment comprising, an accessory interface removably mounted to the nose portion of the housing and a depth guide attachment rotatably mounted to the accessory interface, the depth guide attachment further comprising a relatively thin body portion having a generally circular first opening with a center axis generally parallel to the output shaft, the body portion fitting on the accessory interface and being rotatable thereon and having a second circular opening transverse to the first opening center axis, a depth guide member adjustably mounted on the body portion and having an offset outer end portion, and a locking member configured to secure the depth guide member in a desired position.

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.

Electric power tool

In an electric power tool, a terminal base having a terminal plate attached thereto is provided in a battery holding portion formed in a housing, the terminal plate is slid and mounted on a battery pack, and a buffer material is interposed at least between the terminal base and the terminal plate. A through hole is formed in the terminal plate, and the terminal plate is attached to the terminal base with the through hole being filled with the buffer material.

Worm Drive Saw

A power tool for cutting a workpiece including a casing, an auxiliary handle assembly extending from the casing, a motor disposed at least partially in the casing, and a drive transmission operably coupled to the motor. The drive transmission outputs a driving force in response to an input from the motor. A spindle locking mechanism is provided that is selectively positionable between a retracted position spaced apart from the drive transmission and a locked position engaging the drive transmission. The spindle lock mechanism thereby prevents rotation of the drive transmission in response to actuation of a pad member. The pad member can be positioned adjacent to the auxiliary handle to permit single-handed holding of the power tool and actuation of the pad member. 118.-. (canceled)1921.-. (canceled)22. A power tool comprising:a casing;an auxiliary handle assembly extending from said casing;a motor disposed at least partially in said casing;a drive transmission operably coupled to said motor, said drive transmission outputting a driving force in response to an input from said motor; anda spindle locking mechanism selectively positionable between a retracted position spaced apart from said drive transmission and a locked position engaging said drive transmission thereby prevent rotation of said drive transmission in response to actuation of a pad member, said pad member being positioned adjacent to said auxiliary handle to permit single-handed holding of the power tool and actuation of said pad member.23. The power tool according to claim 22 , wherein said drive transmission is a worm drive transmission system.24. The power tool according to claim 23 , wherein said worm drive transmission system comprises:an armature shaft extending from said motor;a bearing retaining plate surround said armature shaft;a fan end armature bearing surrounding said armature shaft;a worm gear fixedly coupled to said armature shaft for rotation therewith;an outer bearing surrounding said ...

Hand-Held Machine Tool

The disclosure relates to a hand-held machine tool, comprising a drive unit, a gearbox unit, which comprises at least one input shaft and at least one output shaft operatively connected to the input shaft, and a tool holder, which is configured to be driven via the output shaft of the gearbox unit in an oscillating manner about an axis of rotational symmetry of the output shaft. A vibration compensating unit is proposed, which comprises at least one compensating mass which, in order to compensate for a vibration, is driven in at least one operating state against a direction of movement of the tool holder. 1. A hand power tool comprising:a drive unit;a transmission unit including (i) at least one input shaft and (ii) at least one output shaft operatively connected to the input shaft;a tool receiver configured to be driven in an oscillating manner, via the output shaft of the transmission unit, about a rotational symmetry axis of the output shaft; anda vibration compensating unit including at least one compensating mass that, in at least one operating state, is configured to be driven contrary to a direction of motion of the tool receiver,wherein the vibration compensation unit is configured to compensate a vibration.2. The hand power tool as claimed in claim 1 , wherein the transmission unit includes (i) at least one first cam mechanism configured to drive the tool receiver claim 1 , and (ii) at least one second cam mechanism configured to drive the compensating mass.3. The hand power tool as claimed in claim 2 , wherein the first cam mechanism and the second cam mechanism are operatively coupled to the drive unit.4. The hand power tool as claimed in claim 3 , wherein:the first cam mechanism includes a first eccentric element disposed on the input shaft, andthe second cam mechanism includes a second eccentric element disposed on the input shaft.5. The hand power tool as claimed in claim 4 , wherein the first eccentric element and the second eccentric element are ...

Right Angle Attachment For Power Tools

A right angle attachment for use with a power tool that includes a housing having a handle portion and a gear case attached to the handle portion and supporting first and second right angle gears wherein the first right angle gear is driven by an input shaft that is connected to the drill and the second right angle gear has an opening therein for receiving a hex bit directly therein. A floating magnet head can surround the hex bit to aid in fastener retention and can be movable out of proximity of the hex bit to facilitate easy removal of the hex bit for replacement. An additional magnet can be disposed within the gear case at the base of the hex bit in order to magnetize the hex bit and further enhance the retention of the fastener therein.

Handheld Power Tool, in particular a Power Drill or Screwdriver

A handheld power tool has a tool holder for holding a tool, and a grip housing for holding and guiding the handheld power tool. A relative motion of the tool holder and the grip housing can be transmitted as a switching motion to a microswitch, which switches a drive unit on and off. The tool holder and the grip housing can be moved relative to one another in a direction of rotation, and the switching motion thus comprises a rotary motion of the grip housing. 1. A handheld power tool , comprising:a tool holder configured to hold a tool;a grip housing configured to hold and guide the handheld power tool;at least one microswitch; anda drive unit,wherein a relative motion of the tool holder and the grip housing is configured to be transmitted as a switching motion to the at least one microswitch so as to switch the drive unit either on or off,wherein the tool holder and the grip housing are configured to be moved relative to one another in a direction of rotation, andwherein the switching motion comprises a rotary motion of the grip housing.2. The handheld power tool according to claim 1 , wherein the tool holder and the grip housing are configured to be moved relative to one another both in an axial direction and in the direction of rotation claim 1 , and the switching motion comprises the rotary motion and a translatory sliding motion of the grip housing.3. The handheld power tool according to claim 1 , wherein the direction of the rotary motion simultaneously determines the direction of the driving motion of the drive unit.4. The handheld power tool according to claim 1 , wherein claim 1 , in relation to a neutral position claim 1 , the grip housing is configured to be moved in opposite directions of rotation to produce an opposite driving motion of the drive unit.5. The handheld power tool according to claim 4 , wherein the at least one microswitch includes two microswitches that are configured to switch on the drive unit in the desired driving direction.6. The ...

POWER TOOL

A power tool having a housing assembly and a drive component that is housed in the housing assembly. The housing assembly has a first housing component, a second housing component, at least one set of mating conically-shaped features, and at least one fastener. Each set of mating conically-shaped features includes a first cone portion and a second cone portion. The first cone portion of each set of mating conically-shaped features is coupled to the first housing component and has a frusto-conically-shaped exterior surface. The second cone portion of each set of mating conically-shaped features is coupled to the second housing component and has a frusto-conically-shaped interior surface that is engaged with the frusto-conically-shaped exterior surface of an associated first cone portion. Each fastener is received through an associated pair of the first and second cone portions and is threadably engaged to one of the first and second housing components. 1. A power tool comprising:a housing assembly having a first housing component, a second housing component, at least one set of mating conically-shaped features, and at least one fastener, each set of mating conically-shaped features including a first cone portion and a second cone portion, the first cone portion of each set of mating conically-shaped features being coupled to the first housing component and having a frusto-conically-shaped exterior surface, the second cone portion of each set of mating conically-shaped features being coupled to the second housing component and having a frusto-conically-shaped interior surface that is engaged with the frusto-conically-shaped exterior surface of an associated first cone portion, each fastener being received through an associated pair of the first and second cone portions and being threadably engaged to one of the first and second housing components; anda drive component that comprises at least one of a motor, a transmission and a clutch, the drive component being housed ...

Apparatus for tightening threaded fasteners

According to a first aspect of the invention we provide an apparatus for reaction—free and reaction—assisted tightening and loosening of an industrial fastener including: a motor ( 102 ) to generate a turning force to turn the fastener; a turning force multiplication mechanism ( 210 ) for a lower speed/higher torque mode including a plurality of turning force multiplication transmitters ( 211, 212, 213 ); a turning force impaction mechanism ( 250 ) for a higher speed/lower torque mode including a plurality of turning force impaction transmitters ( 251, 252 ); a housing ( 220 ) operatively connected with at least one multiplication transmitter; a reaction mechanism ( 401 ) to transfer a reaction force generated on the housing during the lower speed/higher torque mode to a stationary object; wherein during the lower speed/higher torque mode at least two multiplication transmitters rotate relative to the other; and wherein during the higher speed/lower torque mode at least two multiplication transmitters are unitary to achieve a hammering motion from the impaction mechanism.

Power tool

A power tool, in particular an angle grinder, includes at least one switching unit which has at least one pivotably mounted pawl element. The pawl element defines a pivot axis. The pawl element is mounted so as to pivot about the pivot axis of the pawl element through an angular range greater than 30°.

Power tool

An electric driver ( 1 ) as a power tool comprises a motor ( 2 ) which actuates a tool bit ( 100 ). The electric driver ( 1 ) has a first planetary gear mechanism ( 30 ), a second planetary gear mechanism ( 40 ), and a regulation member which regulate a second outer gear ( 43 ) to rotate. The regulation member includes an outer gear engaging member ( 50 ) and a deformable member ( 51 ) which is fixedly connected to the outer gear engaging member ( 50 ). The deformable member ( 51 ) extends in a direction in which a rotational axis of the first and the second planetary gear mechanism ( 30, 40 ) extends. A controller ( 61 ) is adapted to measure rotation torque based on displacement of the deformable member ( 51 ) via a strain gauge ( 55 ) which is attached on the deformable member ( 51 ).

Method and mechanism for power tool lock-off

Embodiments of the present invention disclosed herein present forms of a method and mechanism for a power tool lock-off, wherein accidental activation of the power tool may be inhibited. Pressing a lock-off release button on the tool housing induces a locking member to move from a first position to a second position, allowing a trigger to access a power switch within the housing. Various forms and methods of lock-off mechanisms are enabled.

Drive System for Interconnecting Attachment Devices and Handheld Rotary Power Tools

Embodiments of the present invention are directed to a drive system for releasably interconnecting a motor shaft of a rotary hand held power tool and an input shaft of an attachment device that is mounted thereon, the system comprising, an elongated flexible drive shaft connected to the input shaft of the attachment device, the flexible drive shaft having an outer end portion with a non-circular cross-section configured to engage a complementarily shaped cavity of an output shaft operatively attached to the power tool motor shaft, an elongated output shaft operatively connected to the motor shaft of the power tool, the output shaft having a generally cylindrical outer configuration along its length and having a rearward mounting portion for attachment to the motor shaft, an intermediate portion having the complementarily shaped cavity for receiving the flexible drive shaft and a forward portion with an enlarged concentric opening for receiving and guiding the outer end portion of the flexible drive shaft into the cavity during mounting the attachment device on the power tool.

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 ...

RECIPROCATING POWER TOOL HAVING A COUNTERBALANCE DEVICE

A reciprocating power tool that includes a drive system having a first driven gear that includes a spindle counterbalance weight and a second driven gear that includes a spindle counterbalance weight. The first driven gear and the second driven gear rotate in opposite directions about an axis of rotation in response to rotation of a driving gear by a motor. The power tool further includes a spindle having a longitudinal axis and a first end that is configured to support a tool element. The spindle is coupled to one of the first driven gear and the second driven gear by a scotch yoke mechanism to reciprocate the spindle with respect to a housing of the power tool along the longitudinal axis of the spindle in response to operation of the motor. 1. A reciprocating saw comprising:a housing;a handle configured for a user, the handle having a longitudinal axis defining a first axis of the saw;a switch adjacent the handle and operable by the user when the user grips the handle;a motor supported by the housing and having an output shaft, the motor operable to rotate the output shaft about a longitudinal axis of the output shaft that defines a second axis of the saw, the output shaft configured to rotate in response to operation of the switch by the user; a driving gear coupled to the output shaft for rotation with the output shaft,', 'a driven gear having a spindle counterbalance weight, the driven gear coupled to the driving gear such that the driven gear is configured to rotate about an axis of rotation in a first direction in response to rotation of the driving gear by the motor;, 'a drive system coupled to the output shaft of the motor, the drive system including,'}a spindle having a first end, a second end, and a longitudinal axis that extends through the first end and the second end, the longitudinal axis of the spindle defining a third axis of the saw; anda blade clamp coupled to the first end of the spindle, the blade clamp configured to couple a saw blade to the ...

POWER TOOL WITH TORQUE CLUTCH

A power tool that includes a housing, a motor, a trigger, a multi-speed transmission and a torque clutch. The housing define a handle. The motor is coupled to the housing. The trigger is coupled to the housing and configured to control operation of the motor. The multi-speed transmission is configured to transmit rotary power between the motor and the output spindle and includes a plurality of planetary stages with a first stage and a second stage that receives rotary power from the first stage. The first stage has a first internally toothed gear element and the second stage having a second internally toothed gear element. The torque clutch limits torque output from the multi-speed transmission to the output spindle. The torque clutch is configured to alternatively ground the second and third internally toothed gear elements to the housing based on a speed ratio setting of the multi-speed transmission. 1. A power tool comprising:a housing that defines a handle;a motor coupled to the housing;a trigger coupled to the housing and configured to control operation of the motor;a multi-speed transmission configured to transmit rotary power between the motor and the output spindle, the multi-speed transmission comprising a plurality of planetary stages including a first stage and a second stage that receives rotary power from the first stage, the first stage having a first internally toothed gear element, the second stage having a second internally toothed gear element; anda torque clutch that limits torque output from the multi-speed transmission to the output spindle, the torque clutch being configured to alternatively ground the second and third internally toothed gear elements to the housing through the torque clutch based on a speed ratio setting of the multi-speed transmission.2. The power tool of claim 1 , wherein the torque clutch comprises a clutch member having a first set of clutch teeth and a second set of clutch teeth claim 1 , the first set of clutch teeth ...

Electric power tool

An electric power tool is configured to control power supply to a motor based on an operational amount of the variable speed switch, and further configured to perform in an intermittent control mode in which power supply to the motor is varied intermittently in the same manner as if an ON operation and an OFF operation of the variable speed switch were repeated. It is also able to perform in a continuous control mode in which power supply to the motor is varied based on the operational amount of the variable speed switch.

MECHANICAL ASSEMBLY FOR A POWER TOOL

A mechanical assembly for a power tool, and a power tool incorporating the mechanical assembly are provided. The mechanical assembly includes (i) a first member having a first axis and a first engagement portion inclined relative to the first axis, (ii) a second member having a second axis and a second engagement portion inclined relative to the second axis, wherein the first and second engagement portions engage each other by movement of the first and second members relative to each other in the direction of at least one of the axes; and wherein the first member is a ring gear and the second member is a central gear and the first and second engagement portions engage and disengage each other by movement of the second member within a space defined within the first member. 1. A mechanical assembly for a power tool , the mechanical assembly including:a first member having a first axis and a first engagement portion inclined relative to the first axis;a second member having a second axis and a second engagement portion inclined relative to the second axis;wherein the first, and second engagement portions engage each other by movement of the first and second members relative to each other in the direction of at least one of the axes2. The mechanical assembly of claim 1 , wherein the first and second axes extend in the same direction and the first and second engagement portions engage each other by movement of the first and second members relative to each other in the direction of at least one of the axes.3. The mechanical assembly of claim 1 , wherein the first engagement portion is conical and the second engagement portion is conical.4. The mechanical assembly of claim 1 , wherein the first engagement portion includes elongated splines for mating with elongated recesses of the second engagement portion and the second engagement portion includes elongated splines for mating with elongated recesses of the first engagement portion claim 1 , wherein each spline and recess ...

VIBRATION DAMPENING HANDLE FOR A POWERED APPARATUS

A vibration dampening handle for a powered apparatus includes an elongated gripping member having first and second opposite ends and a longitudinal axis extending through the first and second ends, and a wall defining an inner bore and having an inner surface. The inner bore extending along the longitudinal axis at least partially through the gripping member, and opens on at least the first end of the gripping member. A weighted mass is disposed at the second free cantilevered end of the gripping member. An elongate elastic beam member is attached to the gripping member. A portion of the beam member is disposed within the inner bore and is spaced apart from the inner surface. The beam member further includes a first end that extends beyond the first end of the gripping member and includes a fastening member adapted to connect the handle to the powered apparatus. 1. (canceled)2. A vibration dampening handle for a powered apparatus , the handle comprising: an elongated elastic beam member having a first end secured to the powered apparatus and a second end that is opposite to and extends away from the powered apparatus , the elongated elastic bean further including a longitudinal axis passing through the first and second ends; an elongated gripping member having a first end one of fixedly attached to and integral with the second end of the elongated elastic beam; the elongated gripping member further including a second end opposite the first end , and including a wall defining an inner bore and having an inner surface , the inner bore extending along the longitudinal axis at least partially through the gripping member and opening on at least the second end of the gripping member; a mass disposed at the second end of the gripping member; the beam member extending along a region of the longitudinal axis and including a portion within the inner bore and spaced apart from the inner surface , wherein the second end of the gripping member is cantilevered with respect to the ...

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; receiving at least one tool parameter relating to the power tool; determining a derivative of the input control variable; selecting one of a plurality of control profiles based on the control input variable, the derivative of the input control variable, and the tool parameter, 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.

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 ...

MULTI-TOOL FOR FASTENERS

The multi-tool for fasteners includes a housing, a power device, a transmission device coupled to the power device, an output device coupled to the transmission device, and a switching device that can be switched between at least two operating modes. In a first operating mode, the output device moves in a reciprocating manner without rotation along an axial direction. In a second operating mode, the output device rotates with an intermittently increasing torque about a circumferential direction. The switching device may include a limiting member and the limiting member can be moved between a first position and a second position. Further, in the first position the output device is in the first operating mode, and in the second position the output device is in the second operating mode. 1. A multi-tool for fasteners comprising:a housing;a power device;a transmission device coupled to the power device;an output device coupled to the transmission device having at least two operating modes, wherein in a first operating mode the output device moves in a reciprocating manner without rotating along an axial direction, wherein in a second operating mode the output device rotates with an intermittently increasing torque about a circumferential direction; anda switching device having a limiting member, the limiting member being moveable between a first position and a second position, wherein the output device is in the first operating mode in the first position, wherein the output device is in the second operating mode in the second position.2. A multi-tool for fasteners of claim 1 , wherein the transmission device comprises a hammer having a striking portion at one end thereof claim 1 , wherein the output device comprises a hammer anvil having an anvil portion to engage the striking portion of the hammer claim 1 , wherein an engaging surface between the striking portion and the anvil portion has an inclined surface and a curved surface.3. A multi-tool for fasteners of claim 2 ...

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 ...

ROTARY TOOL

A rotary tool is provided with a mode selecting part that selects one operating mode from a predetermined plurality of operating modes when a mode switching button is pressed. The plurality of operating modes include: a first auto stop mode where a motor rotates only for a first time period after an impacting operation is detected; and a second auto stop mode where the motor rotates only for a second time period which is shorter than the first time period after the impacting operation is detected. 1. A rotary tool comprising:a motor;an impact mechanism provided coaxially with a rotation shaft of the motor;an impact detection part configured to detect an impacting operation of the impact mechanism;a mode switching button configured to switch an operating mode;a mode selecting part configured to select one operating mode from a predetermined plurality of operating modes when the mode switching button is pressed; anda motor control part configured to control the motor in accordance with the operating mode selected by the mode selecting part, a first auto stop mode where the motor rotates only for a first time period after the impacting operation is detected by the impact detection part, when the trigger is pulled, and', 'a second auto stop mode where the motor rotates only for a second time period which is shorter than the first time period after the impacting operation is detected by the impact detection part, when the trigger is pulled., 'wherein the plurality of operating modes include2. The rotary tool according to claim 1 , wherein the impact detection part is configured to detect the impacting operation of the impact mechanism by detecting a load of the motor.3. The rotary tool according to claim 2 , wherein the impact detection part is configured to detect the load of the motor by detecting either or both an electric current value supplied to the motor and a rotation speed of the motor.4. The rotary tool according to claim 1 , wherein the impact detection part ...

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 ...

Power Tool

A power tool includes: a motor driving an end bit; a housing accommodating the motor; a distance measuring sensor provided at the housing; and a controlling section connected to the distance measuring sensor. The controlling section is configured to exclude an abnormal value from measurement value measured by the distance measuring sensor. 1. A power tool comprising:a motor driving an end bit;a housing accommodating the motor;a distance measuring sensor provided at the housing; anda controlling section connected to the distance measuring sensor,characterized in thatthe controlling section is configured to exclude an abnormal value from measurement value measured by the distance measuring sensor.2. A drilling device comprising:a mounting section to which a drill bit is mounted;a housing holding the mounting section;a distance measuring sensor provided at the housing; anda controlling section connected to the distance measuring sensor,characterized in that: 'an abnormal value excluding section that compares the measurement result with an imaginary drilling depth, and that excludes the measurement result when the measurement result shows an abnormal value being out of a predetermined range defined by a threshold value determined from the imaginary drilling depth.', 'the controlling section comprises3. The drilling device according to claim 2 , wherein the controlling section further comprises:an average drilling speed calculating section that calculates an average drilling speed, subsequent to a first time in which a first period has elapsed after a start of drilling, based on the measurement result during the first period before the first time; andan imaginary drilling depth predicting section that predicts the imaginary drilling depth during a second period after the first time, based on the average drilling speed.4. The drilling device according to claim 2 , wherein the controlling section further comprises:a storage section that stores the measurement result of the ...

TRANSPORTABLE SCREWING TOOL WITH INTEGRATED SWITCHING ELEMENT

A transportable screwing tool configured to mount and/or dismount screws into and/or out of a work piece includes an electric motor operable by electrical energy and a switching element configured to activate and/or deactivate the electric motor. The screwing tool further includes a drive train arranged inside a housing of the screwing tool. The drive train is mounted pivotably about an axis of rotation arranged essentially perpendicularly to the drive train. A method for activating and/or deactivating the electric motor includes moving at least one element of the switching element for the purpose of activating the electric motor out of a position of nonuse into a position of use when the drive train is moved in rotation about the axis of rotation. 1. A transportable screwing tool for mounting and/or demounting screws into and/or out of a work piece , comprising:a housing;an electric motor operable by electrical energy;a switching element configured for one or more of activating and deactivating the electric motor; anda drive train mounted pivotably about an axis of rotation arranged essentially perpendicularly to the drive train, the drive train being arranged inside the housing of the screwing tool to move at least one element of the switching element for the purpose of activating the electric motor out of a position of nonuse into a position of use when the drive train is moved in rotation about the axis of rotation.2. The screwing tool according to claim 1 , wherein the drive train arranged inside the housing has at least the electric motor and a gear connected rigidly to the electric motor.3. The screwing tool according to claim 1 , further comprising control electronics arranged essentially immovably with respect to the housing and a connection element arranged between the switching element and the control electronics.4. The screwing tool according to claim 1 , wherein the switching element is configured to be essentially fixed to the drive train to claim 1 , ...

ELECTROMAGNETIC MODE CHANGE MECHANISM FOR POWER TOOL

A mode change mechanism for a power tool includes an actuator with a permanent magnet. The actuator is moveable between a first position for a first mode of operation, and a second position for a second mode of operation. A first positioning member is adjacent the first position composed of a ferromagnetic material to attract the permanent magnet. A second positioning member is adjacent the second position and composed of a ferromagnetic material to attract the permanent magnet. An electromagnet may be energized to move the actuator between the first position and the second position. When the electromagnet is not energized and the actuator is in the first position. the actuator is retained in the first position. When the electromagnet is not energized and the actuator is in the second position, the actuator is retained in the second position. When the electromagnet is energized, the actuator moves between the first and second positions. 1. A power tool comprising:a housing coupleble to a source of electric power;a motor disposed in the housing;an output shaft received at least partially in the housing;a transmission in the housing and coupled to the motor and the output shaft for transmitting torque from the motor to the output shaft;a mode change mechanism having an actuator, a positioning member, and an electromagnet, the actuator including a permanent magnet and being moveable between a first position for a first mode of operation of the power tool, and a second position a second, different mode of operation of the power tool, and the positioning member and the electromagnet configured to (i) retain the actuator in the first position when the electromagnet assembly is not energized and the actuator is in the first position, (ii) retain the actuator in the second position when the electromagnet assembly is not energized and the actuator is in the second position, and (iii) move the actuator from one of the first position and the second position to the other of the ...

Multi-Functional Electric Power Tool with Safety Shift Device

It is one kind of hand-held electric power tool with safety shift device, including housing assembly, motor, end cap of gear box, gear box, output shaft, final-stage rack wheel, final-stage pinion, gear pin roll, safety shift pin roll, gear knockout plate, gear synchronous spring, safety shift spring, safety push rod, stop pin, variable-speed pinion axis, variable-speed rack wheel, big bevel pinion, bevel pinion and grinding wheel shield. Among which, the gear pin roll and safety shift pin roll are installed within the gear box in parallel, the gear knockout plate is connected with final-stage rack wheel and final-stage pinion, the gear synchronous spring is installed on the gear pin roll while the safety shift spring is installed on the safety shift pin roll. This new practical hand-held electric power tool with safety shift device is characterized by low-speed gear automatic recovery function and the dangers of disoperation will be avoided, being safe and convenient. 1. A hand-held electric power tool with safety shift device comprising: housing assembly , motor , end cap of gear box , gear box , output shaft , final-stage rack wheel , final-stage pinion , gear pin roll , safety shift pin roll , gear knockout plate , gear synchronous spring , safety shift spring , safety push rod , stop pin , variable-speed pinion axis , variable-speed rack wheel , big bevel pinion , bevel pinion and grinding wheel shield; among which , the motor is installed within the housing assembly , which is connected with the gear box; the end cap of the gear box is connected with the other end of the gear box; the output shaft is installed within the gear box but comes out from the end cap of the gear box; the final-stage rack wheel is installed on the final-stage pinion in form of front and back axial direction. The final-stage rack wheel and final-stage pinion are installed on the output shaft in form of spline with the following features: both ends of the gear pin roll are installed in ...

Rechargeable electric tool and method for manufacturing rechargeable electric tool

The electric tool is powered by a secondary battery as a power source, and includes: an output section configured to be transmitted thereto a rotation of a motor directly or through a decelerator; a voltage measurement section that measures a battery voltage; a storage means that stores, as a reference voltage, a voltage value of the battery voltage measured preliminarily when a motor-lock is occurring; and a control means that controls a driving of the motor. The control means is configured to decide that the motor is being locked and then stop or decelerate the motor upon detecting that the battery voltage measured through the voltage measurement section is maintained lower than or equal to the reference voltage stored in the storage means for a predetermined period of time during the driving of the motor.

HAND POWER TOOL DEVICE

A hand power tool device includes at least one drive unit, which has at least one drive shaft. The hand power tool device also includes at least one transmission unit which has at least one transmission element that is directly connected to the drive shaft. The hand power tool device also includes at least one cooling unit which has a fan element. The fan element is at least substantially directly connected to the at least one transmission element of the at least one transmission unit. 1. A hand power tool device comprising:at least one drive unit including at least one drive shaft;at least one transmission unit including at least one transmission element that is directly connected to the at least one drive shaft; andat least one cooling unit including at least one fan element, wherein the at least one fan element is at least substantially directly connected to the at least one transmission element of the at least one transmission unit.2. The hand power tool device according to claim 1 , wherein the at least one transmission element is pressed on to the at least one drive shaft.3. The hand power tool device according to claim 1 , wherein the at least one fan element is pressed on to the at least one transmission element.4. The hand power tool device according to claim 1 , wherein the at least one transmission element has at least one toothing.5. The hand power tool device according to claim 4 , wherein:the at least one transmission element includes at least one region which at least partially includes the at least one toothing, andthe at least one transmission element includes at least one at least substantially cylindrical region.6. The hand power tool device according to claim 5 , wherein the at least one fan element is at least partially disposed in the at least one at least substantially cylindrical region.7. The hand power tool device according to claim 1 , wherein the at least one fan element is composed at least substantially of a plastic.8. The hand power ...

ACCESSORY FOR A RECIPROCATING SAW

An accessory for a reciprocating power tool, the accessory including an attachment portion, a body portion, an accessory block, and an accessory element. The attachment portion is configured to be coupled to the reciprocating power tool. The body portion extends from the attachment portion and includes a mating member. The accessory block includes an accessory mating portion configured to mate with the mating member of the body portion. The accessory mating portion includes a locating member that projects towards the mating member. The locating member is received within the mating member for mating with the mating member. The accessory element is coupled to the accessory block for engaging a workpiece.

Shaft Bearing Device for a Hand-Held Power Tool

A shaft bearing device for a hand-held power tool, in particular for an angle grinder and/or a circular saw, includes at least one first support unit and at least one second support unit which are intended to axially and/or radially support a bearing element of a shaft. At least one of the at least two support units is formed at least partially by a plate element that has at least one axial and/or radial bend. 1. A shaft bearing device for a hand-held power tool , comprising:a shaft;a bearing element configured to support the shaft; andat least one first support unit and at least one second support unit configured to one or more of axially support and radially support the bearing element,wherein at least one of the at least two support units is formed at least partially by a plate element having one or more of at least one axial bend and at least one radial bend.2. The shaft bearing device as claimed in claim 1 , wherein the plate element has one or more of at least two axial bends and at least two radial bends.3. The shaft bearing device as claimed in claim 1 , wherein at least one of the at least two support units is formed at least partially from plastic.4. The shaft bearing device as claimed in claim 3 , wherein the bearing element and the support unit formed from plastic are configured to be separated in a non-destructive manner.5. The shaft bearing device as claimed in claim 1 , wherein at least one of the at least two support units is formed from a sheet metal part.6. The shaft bearing device as claimed in claim 1 , further comprising at least one attachment unit claim 1 , wherein the at least one attachment unit and the at least two support units are configured to be separated in a non-destructive manner claim 1 , and wherein the at least one attachment unit is configured to connect the at least two support units together.7. The shaft bearing device as claimed in claim 6 , wherein the attachment unit includes at least one attachment element claim 6 , which ...

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 ...

Electric Power Tool, In Particular Drill/Screwdriver

An electric power tool, in particular a drill/screwdriver, has a drive motor which is coupled via a gearbox to an output drive element. The gearbox has a plurality of gears. In particular, the drive motor is coupled to a drive spindle in which the torque generated by the drive motor is adjustable. The torque can be adjusted by a first, manually operated, adjusting device, and by a second, manually operated, adjusting device. The second adjusting device is configured to adjust the torque by selecting the gear of the gearbox. Both adjusting devices are operated by a common actuating element. 1. An electric power tool comprising:a drive motor coupled to an output element via a transmission having a plurality of gear steps, the drive motor configured to generate a torque;a first adjusting device configured to set the torque and configured to be actuated manually;a second adjusting device configured to set the gear step of the transmission to set the torque and configured to be adjusted manually; anda common actuating element configured to actuate the first adjusting device and the second adjusting device.2. The electric power tool as claimed in claim 1 , wherein the actuating element is one of a sliding switch and a rotary switch.3. The electric power tool as claimed in claim 1 , wherein:the actuating element is configured to act exclusively in combination with the first adjusting device in a first adjusting range;the actuating element is configured to act exclusively in combination with the second adjusting device in a second adjusting range; andthe first adjusting range adjoins the second adjusting range.4. The electric power tool as claimed in claim 1 , wherein:the first adjusting device comprises a potentiometer configured to identify a position of the actuating element to set the torque; anda contact element arranged on the actuating element and configured to act as a jumper between printed conductors is further configured to vary a resistance value of the ...

POWER TOOL

An electric oscillating tool () which actuates a tool () around a spindle () is provided. The electric oscillating tool () comprises a motor (), the spindle () which is driven by the motor (), and a driving transmission member which transmits a rotational output of the motor () to the spindle (). The driving transmission member includes an eccentric moving member, a driven arm (), a spindle connecting arm (), and a pin () which connects the driven arm () and the spindle connecting arm () in a relatively rotatable manner. The eccentric moving member comprises an eccentric shaft () which moves eccentrically around a rotational shaft of the motor (), a first bearing (), and a second bearing (). 1. A power tool which actuates a tool around a predetermined axis , comprising:a motor;a driving shaft which is driven by the motor; anda driving transmission member which transmits a rotation output of the motor to the driving shaft,wherein the driving transmission member includes an eccentric moving member which moves eccentrically around a rotational shaft of the motor, a first member to which a movement of the eccentric moving member is transmitted, a second member which is connected to the driving shaft, and a pivot portion which connects the first member and the second member in a relatively rotatable manner.2. The power tool according to claim 1 , wherein the eccentric moving member includes an eccentric portion which is arranged to be offset to the center of the rotational shaft claim 1 , and two bearings which are arranged on a periphery of the eccentric portion claim 1 ,wherein the first member includes two arms which face to each other and contact with respective peripheries of the two bearings,and wherein the two bearings are arranged in line in an axial direction of the rotational shaft.3. The power tool according to claim 1 , wherein the pivot portion and the eccentric moving member are arranged to be equally distant from the driving shaft in the axial direction of ...

Oscillating rotary electric power tool

An oscillating rotary electric power tool, in which a spindle with a distal end tool attached thereto is projected downward from a front end portion of a housing accommodating a motor, and the housing also accommodates a coupling member rotatable integrally with an output shaft of the motor, a crankshaft fitted with the coupling member in a depression and projection fitting structure, and a link member to which the spindle is fixed and power is transmitted from the crankshaft to rotate clockwise and counterclockwise in an oscillating manner so that the link member will be driven by the motor to rotate the spindle clockwise and counterclockwise in the oscillating manner, wherein an elastic body is interposed between the coupling member and the crankshaft in the same axial direction as the output shaft.

Battery pack

A battery pack including a housing connectable to and supportable by a hand-held power tool; a first battery cell defining a first axis and having opposite first cell ends; a second battery cell defining a second axis and having opposite second cell ends; a third battery cell defining a third axis; and a terminal for electrically connecting the battery pack to the hand-held power tool. The second battery cell and the third battery cell may be arranged with the second axis and the third axis in a common plane, the first battery cell may be arranged with the first axis non-parallel to the common plane and have one remote first cell end. The terminal may be supported on the housing, in the direction of the first axis, between the one first cell end and the common plane and, in a direction of the second axis, between the second cell ends.

Power Tool and Power Tool System

A power tool includes a bit mounting unit, a motor, and a control unit. The bit mounting unit is configured to mount thereon a bit. The motor is configured to rotatingly drive the bit. The control unit is configured to control a drive of the motor. The control unit includes a storing unit configured to store a plurality of prescribed values affecting the drive of the motor and a division number by which a range of the plurality of prescribed values is divided. At least one of the range and the division number is arbitrarily settable. 1. A power tool comprising:a bit mounting unit configured to mount thereon a bit;a motor configured to rotatingly drive the bit; anda control unit configured to control a drive of the motor, the control unit including a storing unit configured to store a plurality of prescribed values affecting the drive of the motor and a division number by which a range of the plurality of prescribed values is divided,wherein at least one of the range and the division number is arbitrarily settable.2. The power tool according to claim 1 , further comprising a setting unit configured to set an output condition of the motor claim 1 ,wherein the range of the plurality of prescribed values is defined between a maximum value and a minimum value, the setting unit being configured to set at least one of the maximum value, the minimum value, and the division number.3. A power tool system comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a power tool according to , the power tool further comprising an external device connecting unit connected to the control unit; and'}an external device connectable to the external device connecting unit,wherein the range of the plurality of prescribed values is defined between a maximum value and a minimum value,wherein the external device is configured to set at least one of the maximum value, the minimum value, and the division number.4. A power tool comprising:a bit mounting unit configured to mount thereon a ...

PNEUMATIC SPANNER STRUCTURE

A pneumatic spanner structure includes a head body, a link bevel gear unit, a hit unit and a driving handle. A driving motor axle portion at an open end of the driving handle drives a motor link bevel gear post and a hit unit link bevel gear plate of the link bevel gear unit. The hit unit link bevel gear plate links the hit unit. The link bevel gear unit enhances and transmits the force to the hit unit. The hit unit applies the acting force on a workpiece. The hit unit doesn't need a buffer space for actuation and the force is indirect. The link bevel gear unit is a deceleration device to extend the service life of the whole structure. The output force is more powerful than the prior art, providing a stable and compact structure. 1. A pneumatic spanner structure , comprising:a head body, the head body comprising an accommodation head seat portion, a hollow neck portion and an accommodation connection seat portion, the accommodation head seat portion, the hollow neck portion and the accommodation connection seat portion communicating with each other, the accommodation head seat portion being covered with a lid;a link bevel gear unit, the link bevel gear unit comprising a motor link bevel gear post and a hit unit link bevel gear plate, the motor link bevel gear post having a mesh gear portion and an axle portion, the axle portion having a connection positioning hole therein, the hit unit link bevel gear plate comprising a mesh bevel gear at one side thereof, the mesh bevel gear having a second positioning trough at an inner side thereof, the hit unit link bevel gear plate comprising a guide post at another side thereof, the second positioning trough having an engaging hole, the mesh bevel gear of the motor link bevel gear post meshing with the mesh bevel gear of the hit unit link bevel gear plate, the guide post being positioned in the first positioning trough of the accommodation head seat portion of the head body;a hit unit, the hit unit comprising a link axle ...

HAND-OPERATED PRESSING TOOL

A hand-operated pressing tool, which is suitable in particular for producing pipe connections, for pressing cable lugs, and/or for actuating cutting jaws, comprises a drive device arranged in a housing. The drive device is connected to an energy source. Furthermore, a start button, a display device, and a diagnostic connector are provided. The start button as well as the display device are arranged under a transparent housing cover. Preferably, the housing cover can be opened in order to reach the diagnostic connector. 1. A hand-operated pressing tool , in particular for producing pipe connections , for pressing cable lugs , and/or for actuating cutting jaws , comprisinga drive device arranged in a housing,an energy source connected to the drive device,a start button arranged under a housing cover, anda display device arranged under the housing cover.2. The hand-operated pressing tool according to claim 1 , wherein the housing cover is transparent at least partially in the region of the display device and that the display device preferably comprises light indicators.3. The hand-operated pressing tool according to claim 1 , further comprising a control device formed particularly as a control board claim 1 , said control device being arranged under the housing cover.4. The hand-operated pressing tool according to claim 3 , wherein the start button and/or the display device are connected directly with the control device and particularly are arranged directly on the control board.5. The hand-operated pressing tool according to claim 1 , wherein the housing cover comprises light-conducting elements arranged above the light indicators.6. The hand-operated pressing tool according to claim 1 , wherein claim 1 , for actuating the start button claim 1 , the housing cover is resiliently held on the housing.7. The hand-operated pressing tool according to claim 1 , wherein the housing cover comprises a swivel projection for allowing a swivel movement for actuating the start ...

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 ...

HAND-HELD POWER TOOL

A hand-held power tool has a tool housing in which a gear unit which is drivable by a drive motor for driving a drive shaft is situated and to which a torque clutch is assigned. On the hand-held power tool, the drive shaft is provided with a tool holder for holding an assigned insertion tool, and an acceleration sensor is provided which is designed for enabling detection of an activation of the torque clutch. 1. A hand-held power tool , comprising:a tool housing;a drive shaft provided with a tool holder for holding an assigned insertion tool;a gear unit provided in the tool housing, wherein the gear unit is drivable by a drive motor for driving the drive shaft;a torque clutch assigned to the drive shaft; andan acceleration sensor configured to enable detection of an activation of the torque clutch.2. The hand-held power tool as recited in claim 1 , wherein the acceleration sensor is situated on the tool housing.3. The hand-held power tool as recited in claim 2 , further comprising:a control unit configured to detect the activation of the torque clutch, based on an evaluation of an acceleration signal generated by the acceleration sensor.4. The hand-held power tool as recited in claim 3 , wherein the acceleration signal represents vibrations which are transmitted to the tool housing during operation of the hand-held power tool and have an assigned average amplitude claim 3 , and wherein an amplitude change of the average amplitude detectable by the control unit occurs upon activation of the torque clutch.51. The hand-held power tool as recited in claim 4 , wherein the control unit is configured to detect the occurring amplitude change within a period of time which is shorter than second.6. The hand-held power tool as recited in claim 4 , wherein the control unit is configured to detect the occurring amplitude change upon a deviation of at least 0.01 g m/sfrom the average amplitude.7. The hand-held power tool as recited in claim 4 , wherein the control unit is ...

CORDLESS POWER TOOLS WITH A UNIVERSAL CONTROLLER AND TOOL AND BATTERY IDENTIFICATION

A controller in a cordless power tool is configured to electronically read an identifier (e.g., a battery characterizing resistor) in a battery and identify the battery characteristics that is being powered. The controller can also define the suitable performance or output parameters of the tool for an identified tool type using a defined electronic library or menu of different tool types that is correlated to associated operational profiles. 1. A handheld power tool , comprising:a power tool body:an electric motor held in the power tool body;a universal controller in the power tool body in communication with the electric motor, the universal controller having or being in communication with an electronic component that defines a tool type identifier in the power tool body; anda battery pack releasably attachable to the power tool body, the battery pack having an on-board electronic identifier,wherein the universal controller has a plurality of different operational control modes for a plurality of different tool types and a plurality of different battery packs with different battery characteristics, and wherein the controller automatically selects an appropriate control mode based on the tool type identifier and the battery pack identifier.2. The power tool of claim 1 , wherein the controller is defined by a trigger switch claim 1 , and wherein the electronic component that defines a tool type identifier comprises a resistor held by or in communication with the trigger switch.3. The power tool of claim 2 , wherein the trigger switch comprises a set of terminals claim 2 , and wherein the resistor defining the tool type identifier is electrically connected to at least one of the terminals.4. The power tool of claim 1 , wherein the tool type identifier comprises a resistor and the battery pack identifier comprises a resistor claim 1 , and wherein the controller comprises a control module that applies a scalar factor to operating parameters based on at least one of the ...

POWER TOOL

In addition to improvement of operability, a small size with a light weight and a long life are achieved. A switch housing unit and a control-part housing unit are provided in a housing, a switch unit provided with a pressure switch which generates an electric signal by performing a pressing operation by a worker is housed in the switch housing unit, a switch cover which covers the pressure switch and which is elastically deformed by the pressing operation by the worker is provided, and the control-part houses a control circuit board which controls a rotation state of a motor in accordance with a magnitude of the electric signal outputted from the pressure switch. 1. A power tool comprising:an electric motor which has a rotary shaft;a housing which houses the electric motor;a switch housing unit and a control-part housing unit which are provided in the housing;a pressure switch which is housed in the switch housing unit and which generates an electric signal by performing a pressing operation by a worker;an operation cover which is provided in the housing and which is elastically deformed by the pressing operation by the worker; anda control part which is housed in the control-part housing unit and which controls a rotation state of the electric motor in accordance with a magnitude of the electric signal from the pressure switch.2. The power tool according to claim 1 ,wherein a switch unit including the pressure switch is protruded from the switch housing unit.3. The power tool according to claim 1 ,wherein the operation cover is formed of a bottomed main body part and a flange part provided on an opening side of the main body part.4. The power tool according to claim 1 ,wherein the operation cover covers the pressure switch.5. The power tool according to claim 1 ,wherein the operation cover is provided in the housing so as to seal the switch housing unit.6. The power tool according to claim 1 ,wherein a display unit which displays the rotation state of the electric ...

POWER TOOL

A power tool, in which a case that is connected to a housing and the case houses a reducer mechanism that decelerates an output of an electric motor and an impact mechanism that transmits an output of the reducer mechanism to a tip tool, is provided. The power tool further includes an inner cover that covers an opening of the case, a ring gear included in the reducer mechanism, a spindle that is rotatably supported by a bearing, and a space portion that is placed between the inner cover and the ring gear and in a periphery of the bearing, and capable of stocking grease. A through hole, which communicates with the inside and outside of the case through the space portion, is formed in the inner cover. 1. A power tool in which a case connected to a housing houses a reducer mechanism of a planetary gear type that decelerates an output of a driving source and a transmission mechanism that transmits an output of the reducer mechanism to a tip tool ,the power tool comprising:a cover member that covers an opening of the case;a ring gear included the reducer mechanism and supported by the cover member;a bearing that rotatably supports a spindle included in the transmission mechanism, the bearing being disposed inside the case; anda space portion that is placed between the cover member and the ring gear and on the periphery of the bearing, and capable of stocking grease,wherein a first through hole, which makes the inside and outside of the case to communicate with each other through the space portion, is formed in the cover member.2. The power tool according to claim 1 , further comprising:a concave portion that is formed on a surface facing the ring gear of the cover member; anda protrusion that is formed on a surface facing the cover member of the ring gear, and inserted into the concave portion of the cover member,wherein the first through hole is formed at a bottom of the concave portion of the cover member so that at least one portion of the space portion is formed by a ...

Power drill

A power drill having percussion drilling function, drilling function and screwing function has a gearing for transmitting the drive motion of a drive unit to a tool spindle. Furthermore, two latching elements are provided which, in the percussion drilling function, are in latching engagement and in the drilling or screwing position are in the disengaged state. A mode setting device has a rotatable supporting ring and a thrust ring, coupled to the supporting ring in a torsionally fixed manner which, in the screwing position is held on the gear housing in an axially displaceable manner.

ELECTRONIC CLUTCH FOR POWER TOOL

A method is presented for controlling operation of a power tool having an electric motor drivably coupled to an output spindle. The method includes: receiving an input indicative of a clutch setting for an electronic clutch, where the clutch setting is selectable from a plurality of driver modes; setting the value of a maximum current threshold in accordance with the selected one of the plurality of driver modes; determining rotational speed of the electric motor; determining an amount of current being delivered to the electric motor; comparing the amount of current being delivered to the electric motor to the maximum current threshold; and interrupting transmission of torque to the output spindle when the amount of current being delivered to the electric motor exceeds the maximum current threshold and the rotational speed of the electric motor is decreasing. 1. A method of controlling operation of a power tool having an electric motor drivably coupled to an output spindle , comprising:receiving, by a controller residing in the power tool, an input indicative of a clutch setting for an electronic clutch, the clutch setting being selectable from a plurality of driver modes and each of the plurality of driver modes specifies a different value of torque at which to interrupt transmission of torque to the output spindle;setting, by the controller, the value of a maximum current threshold in accordance with the selected one of the plurality of driver modes;determining, by the controller, rotational speed of the electric motor;determining, by the controller, an amount of current being delivered to the electric motor;comparing, by the controller, the amount of current being delivered to the electric motor to the maximum current threshold; andinterrupting transmission of torque to the output spindle when the amount of current being delivered to the electric motor exceeds the maximum current threshold and the rotational speed of the electric motor is decreasing.2. The method ...

System Having at least Two Oscillation Insert Tools

The disclosure relates to a system having at least one first oscillation insert tool that is configured to be effectively coupled to an oscillation hand power tool, and at least one second oscillation insert tool that differs from the first oscillation insert tool and is configured to be effectively coupled to the oscillation hand power tool as an alternative to the first oscillation insert tool. At least one of the at least two oscillation insert tools comprises at least one compensating unit for at least substantially adapting a mass moment of inertia of the at least one oscillation insert tool to a mass moment of inertia of the at least one second oscillation tool. 1. A system comprising:at least one first oscillating insert tool that is configured to be operatively coupled to an oscillating hand power tool;at least one second oscillating insert tool that differs from the first oscillating insert tool and that, as an alternative to the first oscillating insert tool, can be is configured to be operatively coupled to the oscillating hand power tool; andat least one compensating unit (i) associated with at least one of the at least one first oscillating insert tool and the at least one second oscillating insert tool, and (ii) configured to adapt, at least substantially, a mass moment of inertia of the at least one oscillating insert tool to a mass moment of inertia of the at least one second oscillating insert tool.2. The system as claimed in claim 1 , further comprising:at least one third oscillating insert tool, which, as an alternative to the at least one first oscillating insert tool and the at least one second oscillating insert tool, can is configured to be operatively coupled to the oscillating hand power tool,wherein the at least one compensating unit is further associated with the at least one third oscillating insert tool.3. The system as claimed in claim 1 , wherein the at least one compensating unit is disposed claim 1 , at least partially claim 1 , ...

HAND-HELD ELECTRIC TOOL HAVING A SPINDLE-LOCKING DEVICE

In a handheld electric tool having a tool housing in which is disposed a gearbox for transferring a torque, generated by a drive motor, to a drive spindle with which a spindle locking apparatus is associated, the drive spindle being rotatably mounted in the tool housing at at least two bearing points, the at least two bearing points are provided in the tool housing in a region downstream from the gearbox, and the spindle locking apparatus is disposed between the two bearing points in an axial direction of the drive spindle. 126-. (canceled)27. A handheld electric tool , comprising:a tool housing in which is disposed a gearbox for transferring a torque, generated by a drive motor, to a drive spindle with which a spindle locking apparatus is associated, the drive spindle being rotatably mounted in the tool housing at at least two bearing points, wherein the at least two bearing points are provided in the tool housing in a region downstream from the gearbox, and the spindle locking apparatus is disposed between the two bearing points in an axial direction of the drive spindle.28. The electric tool as recited in claim 27 , wherein the spindle locking apparatus has a carrier element claim 27 , mounted on the drive spindle with a predefined radial clearance claim 27 , on which at least one spindle roller is disposed.29. The electric tool as recited in claim 28 , wherein the at least one spindle roller abuts against the drive spindle directly between the two bearing points in an axial direction of the drive spindle.30. The electric tool as recited in claim 28 , wherein the carrier element is mounted at a first of the at least two bearing points claim 28 , by way of a bearing ring embodied on an outer periphery of the carrier element claim 28 , in a plain bearing.31. The electric tool as recited in claim 30 , wherein the plain bearing is mounted in a blocking member which is embodied to prevent the at least one spindle roller from sliding out of the carrier element in a ...

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

A hand-held power tool capable of reducing strain on a worker's fingers which might be caused by vibration and reaction during work is provided. A grip section, which is extending from substantially a central part in an axial direction of the body portion toward a direction substantially perpendicular to the axial direction, is integrally provided on a body portion having a motor housing. A grip housing configuring the grip section is provided so as to extend from the motor housing. The grip housing includes a housing body including a pair of housing pieces and a cover sandwiched to be held by the housing pieces. The cover includes a compression-molded article in which a resin cover body and a rubber member are integrally formed by compression molding. 1. A power tool comprising:a tool holder to which a tip tool is attached;a motor for driving the tool holder;a motor housing for housing the motor; anda grip housing provided so as to extend from the motor housing, wherein a part of the grip housing is made of an elastic body formed by compression molding.2. The power tool according to claim 1 , whereinthe grip housing includes: a first housing formed of a first resin; and a second housing formed of a second resin, the second housing including an elastic body formed by compression molding, andthe second housing is fixed to the first housing with a screw.3. The power tool according to claim 1 , wherein the first resin and the second resin are in direct contact with each other.4. The power tool according to claim 1 , whereinthe grip housing includes: a first housing formed by combining a pair of housing pieces; and a second housing including an elastic body, andthe second housing is sandwiched between the pair of housing pieces to be held by the first housing.5. The power tool according to claim 4 , wherein the first housing and the second housing are fitted to each other.6. The power tool according to claim 4 , wherein the elastic body is disposed so as to be able to ...

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 ...

MULTI DIRECTIONAL OSCILLATION FROM A ROTATIONAL SOURCE

The present invention provides multi-directional oscillation from a rotational source, by receiving a rotational motion, converting the rotational motion to a first oscillating motion, converting the first oscillating motion to a second oscillating motion that is normal to the first oscillating motion and transferring the first oscillating motion and the second oscillating motion to a working element. 114-. (canceled)15. A removable rotary power tool attachment , comprising:a housing for attaching the attachment to a rotary power tool;a first oscillating motion system for producing a first oscillating motion of a shaft from a rotary motion of the rotary power tool; and a linear bearing with a first ramp, the linear bearing receiving the first oscillating motion from the shaft and disposed to move along the shaft; and', 'a multi-oscillation generating ramp disposed relative to the first ramp so that the first oscillating motion of the linear bearing cause the first ramp to interact with the multi-oscillating ramp resulting in the linear bearing moving along the shaft in a second oscillating motion., 'a second oscillating motion system for producing a second oscillating motion from the first oscillating motion of the shaft, comprising16. The removable rotary power tool attachment of claim 15 , further including a blade mount for receiving at least the first oscillating motion claim 15 , wherein the blade mount facilitates attaching a working element to the removable rotary power tool attachment in plurality of positions.17. The removable rotary power tool attachment of claim 16 , wherein the plurality of positions includes attaching a working element in at least 45 degrees increments.18. The removable rotary power tool attachment of claim 16 , wherein the oscillating working element is selected from the group consisting of a cutting element and a sanding element.19. The removable rotary power tool attachment of claim 15 , wherein the attachment for a rotary power tool ...

POWER TOOL

To provide a hand-held power tool which is equipped with a motor and can be used in a normal driving mode for a tip end tool and also in driving modes other than the normal driving mode. A power tool in which a tip end tool is driven by a motor to thereby perform a predetermined machining process on a workpiece, wherein the motor is a dual rotor motor comprising: an inner rotor; an outer rotor; and a stator including a driving coil mechanism, with the inner rotor and the outer rotor being coaxially disposed. 1. A power tool which performs a predetermined operation on a workpiece with a tool bit driven by a motor , wherein:the motor comprises an inner rotor, an outer rotor and a stator having a driving coil mechanism and is configured as a dual rotor motor in which the inner rotor and the outer rotor are coaxially arranged.2. The power tool as defined in claim 1 , wherein the stator comprises a single member.3. The power tool as defined in claim 2 , wherein the driving coil mechanism includes an inner rotor driving coil for driving the inner rotor and an outer rotor driving coil for driving the outer rotor.4. The power tool as defined in claim 2 , wherein the driving coil mechanism comprises one driving coil for driving both the inner rotor and the outer rotor.5. The power tool as defined in claim 1 , wherein the stator includes a first stator having an inner rotor driving coil for driving the inner rotor and a second stator having an outer rotor driving coil for driving the outer rotor.6. The power tool as defined in claim 5 , comprising a housing for housing the dual rotor motor claim 5 , wherein the inner motor includes the inner rotor and the first stator and the outer motor includes the outer rotor and the second stator claim 5 , and wherein the inner motor and the outer motor are arranged in the housing at positions displaced from each other in the longitudinal direction claim 5 , and a space is formed between an outer circumferential region of the inner motor ...