ПНЕВМАТИЧЕСКИЙ ДВИГАТЕЛЬ ДЛЯ ИНСТРУМЕНТОВ С ПОВОРОТНО-ВРАЩАТЕЛЬНЫМ ПРИВОДОМ

FIELD: machine building. SUBSTANCE: pneumatic engine is equipped with adjusting element changing its shape and/or position under influence of centrifugal force and opening or closing orifices to a bigger or smaller degree depending on number of rotations. The orifices are arranged around circumference on plate 11. An adjusting element is formed with elastic ring 15 positioned before orifices in the direction of flow. Due to centrifugal force the elastic ring is deformed so, that it closes the orifices when number of rotations grows. Ring 15 is positioned in a chamber whereto compressed air flows via additional orifices in an additional plate and out of which air escapes through the above said orifices. Additional orifices are positioned along circumference, radius of which is smaller, than radius of the circumference surrounded with the above mentioned orifices. In non-deformed state ring 15 leaves a free passage between the additional orifices and the orifices. EFFECT: control mechanism of engine facilitating reliable restriction of rotation frequency within specified value ranges. 11 cl, 11 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 406 828 (13) C2 (51) МПК F01D 15/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2008139150/06, 17.01.2007 (24) Дата начала отсчета срока действия патента: 17.01.2007 (73) Патентообладатель(и): ШМИД & ВЕЦЕЛЬ ГМБХ & КО. (DE) R U (30) Конвенционный приоритет: 05.04.2006 DE 202006005899.0 (72) Автор(ы): ЗИТЦЛЕР Ян (DE) (43) Дата публикации заявки: 10.05.2010 2 4 0 6 8 2 8 (45) Опубликовано: 20.12.2010 Бюл. № 35 (56) Список документов, цитированных в отчете о поиске: US 3578872 А, 18.05.1971. US 4776752 А, 11.10.1988. SU 723528 А, 28.03.1980. SU 297784 А1, 11.03.1971. ЗЕЛЕНЕЦКИЙ С.Б. и др. Ротационные пневматические двигатели. - Л.: Машиностроение, 1979, с.209, 210. 2 4 0 6 8 2 8 R U (86) Заявка PCT: EP 2007/000367 (17.01.2007) C 2 C 2 (85) ...

Removable artificial denture for toothless lower and upper jaws of patient, has amortization layer extended and projected over whole contour of two-layered base and allowing flap formation over whole contour of two-layered base

The denture has artificial teeth (1) placed on a two-layered base (2), where the base includes a hard layer (3) and a soft amortization layer (4), which are set up in an oral cavity (5). The oral cavity is formed on an alveolar crest (6). The amortization layer is extended and projected over the whole contour of the two-layered base of about 1.0 to 6.0 mm wide, and allows a flap formation (7) over the whole contour of the two-layered base of about 0.1 to 3.0 mm thick.

Improvements in or relating to pneumatically or fluid operated high speed grinders or like rotary tools

... 563,837. Turbine - driven grinding tools. HOLMAN BROS., Ltd., and ARTHUR, J. May 12, 1943, No. 7560.. [Class 60] [Also in Group XXVI] A turbine rotor 17, actuated by compressed air or other fluid to drive a grinding tool or the like, has a ball bearing 11 mounted clear of the exhaust air passing through a casing 14. The air finally flows through flutes around a plain bearing 15, which it cools. A rotatable valve 29,. actuated by a wheel 7, controls the air passing from an inlet 1 to a space 20 which supplies passages 2 leading to holes 22 in a jetplate 12. Nozzles 23 supply air to the blades 24 of the turbine rotor. A pin in one other of two holes 25 in the jet-plate allows four, or two only, holes 22 to be supplied with air. A collet or any other suitable chuck 4 may be attached to the end of the spindle 16, to hold the grinding shape or wheel to be rotated.

Improvements relating to pneumatically operated hand tools

... 693,430. Grinding; sawing. PAGE, V. J. April 16, 1951 [Jan. 16, 1950], No. 1035/50. Classes 60 and 145 (ii). [Also in Group XXVI] A pneumatically operated hand tool has adjustable means for restricting the exhaust of the air motor so as to control the speed. The compressed air motor 1 comprises three radially disposed cylinders 2, the pistons 4 being connected by rods 3 to a single throw crankshaft 5; the cylinders are carried by a base plate 7 having a bearing 8 for the inner end of the crankshaft. The outer end of the crankshaft is journaled in a bearing 11 carried by a central boss 12 of a head plate 13 secured to the cylinders. The outer end 10 of the crankshaft, the bore of the head plate boss 12 and of a boss liner 15 are ported so as to constitute rotary valve means for controlling the flow of compressed air into and out of the cylinders. The admission of compressed air to the rotary valve means is effected via a control valve 16 carried by head plate 13. The valve plunger 18 is ...

"Brake device of pneumatic rotational tool"

In an open state of a valve, when a valve outside sleeve (70) is rotated in the rear portion of a housing (12), a valve inner sleeve (72) is moved forward to close a fluid channel (74), thus stopping supply of compressed driving air. Simultaneously, a front end (66) of the valve outside sleeve (70) is moved forward while it abuts against the rear surface of a retainer (82). Therefore, brake rods (85) biased by compression coil springs (89) are also moved forward, and front surfaces (87) of the brake rods (85) are abutted against a brake disk (92) to effect braking, thereby immediately stopping rotation of a rotor (50). The urging force applied on the brake disk (92) is the compression force of the compression coil springs (89). According to a brake device of this invention, safety of a pneumatic rotational tool is increased and the workability is improved. ...

AIR TOOLS

Drive systems

PNEUMATIC MOTOR FOR TURNINGPROPELLED TOOLS

PNEUMATIC MACHINE FOR WORKING ON SURFACES WITH ERGONOMIC ONES AND EASY MOUNTABLE HANDLE

MICRO GRINDING FIXTURE, WHICH MAKES USING AVAILABLE OF A PRESSURE JET DISK A SCHLEIFWIRKUNG

TOOL HOLDER FOR MACHINE, WHICH WORK WITH MATERIALS WITHDRAWAL, AND SUCH A MACHINE

ROTARY SANDING TIRE WITH EXHAUST BY NEGATIVE PRESSURE, IN THREE STAGES, OF SO PRODUCED DUST

GRINDER WITH ONE-HAND OPERATION

MACHINE TO POLISHING AND/OR SHARPENING

Power tool controller

Smoothing Mill with Suction by Depression, in Three Stages of Dust So Generated

Smoothing mill for compressed ejectors (3,4) of-several stages, incorporated, for suction of dust generated and for conveying it through a flexible tube (19) to a collecting area, use being made of the compressed air discharged from the motor (40) which sets the abrasive disk (9) in rotation.

SMOOTHING MILL HAVING SUCTION DEVICE FOR REMOVAL OF DUST

Smoothing mill for compressed ejectors (3,4) of-several stages, incorporated, for suction of dust generated and for conveying it through a flexible tube (19) to a collecting area, use being made of the compressed air discharged from the motor (40) which sets the abrasive disk (9) in rotation.

MACHINE FOR POLISHING AND/OR GRINDING

The prior art discloses machines which, for cooling the surface to be machined, have a gas supply line which opens into a gas outlet which is in the direct vicinity of the polishing disk. When CO2 is used as cooling gas, stoppages, which can be traced back to snow formation of the CO2, may occur in the line and in the gas outlet. In order to avoid blockages, the machine is assigned means for the supply of the liquid or supercritical CO2 which comprise a valve for regulating the throughflow quantity of the CO2 with an expansion nozzle, the valve being arranged inside the machine.

Schleifapparat, insbesondere zum Schleifen von Mähmaschinen-Messern.

Maschine mit Werkzeug und mit durch ein Druckmedium angetriebenem, umlaufendem Motor

In eine Werkzeugmaschine umwandelbares Bohnergerät

SWITCHING VALVE AND HANDICRAFT THINGS MACHINE WITH THIS SWITCHING VALVE.

Pneumatically operated needle gun

The pneumatic tool has a pistol grip (10) connected to an air supply (1) and the air flows into a chamber containing a pneumatic motor (20). There may be a magazine downstream of the motor, containing a number of needles (21) which may be thrown against the surface of a workpiece at high velocity. The head (23) of the tool consists of a flat plate with one or more holes, surrounded by a skirt (22) which may consist of brush bristles. Used air is drawn off through a second massive pistol grip (3). Some high-pressure air (4) is drawn off from the air supply to operate an ejector pump in the low-pressure outlet.

Portable power tool with indicating means for actual operation parameter values

A portable power tool having a housing (10,22) with a rotation motor (11) for powering a working implement (19), wherein sensors (28,29,38) are provided to indicate the motor speed and the power supply, and a programmable evaluation unit (36) is arranged to compare indicated speed and pressure values with stored limit values, and to accumulate the total operation time of the power tool and compare that with preset time limits for tool service intervals, and optical information means (43-49) are provided on the housing (10,22) to indicate whether those stored limit values have been reached.

PNEUMATIC ROTARY TOOL PROVIDED With a DEVICE SAFETY AGAINST OVERSPEEDS

Improvements with the pneumatic tools

Improvements with the rotary engine tools

PORTABLE HEAD OF WORK FOR A MACHINE OPERATING BY REMOVAL OF MATTER AND SUCH A MACHINE

WINNOW AND PUMICEOUS HAND HAS INCORPORATING SUCH A VALVE

PNEUMATIC ROTARY TOOL PROVIDED With a DEVICE SAFETY AGAINST OVERSPEEDS

WATER DRIVE ROTARY TOOL

The present invention provides an assembly of machined or precision cast components which combine to form a high pressure water powered rotary tool. The .rotary tool includes a rigid metal housing, a high pressure water inlet, an impeller rotatably mounted within the housing, an output drive shaft, a backing disk and at least one handgrip or alternatively an extendable handle capable of articulation throughout an extended range. The rotary tool is attachable to a pump driven by an electric motor or internal combustion engine.

SMALL DIAMETER CYLINDRICAL AIR MOTOR FOR DRIVING GRINDERS AND THE LIKE

Free-wheeling overspeed grinder device

A portable grinder incorporates a safety clutch mechanism between the drive motor output and the grinding wheel shaft to prevent the grinding wheel from dislodging due to a malfunction of the motor. In the preferred embodiment, the clutch mechanism comprises a one-way or a free-wheeling clutch and a slip clutch in parallel between the motor rotor and the drive shaft. The one-way clutch transfers power from the motor rotor to the drive shaft and grinding wheel under normal operating conditions. In the event of a motor malfunction which suddenly locks the rotor, the clutch mechanism allows the drive shaft and grinding wheel to slow and stop in a controlled fashion thereby minimizing the possibility of the grinding wheel dislodging from the drive shaft.

Geared-reduction fluid-pressure motor

Portable tool

Pneumatic grinder with improved handle structure

A pneumatic grinder with improved handle structure comprising a driving portion, a connecting portion, and a grinding portion wherein the connecting portion has a handle fixing portion at one side thereof that has an accommodating space to receive a pivot element wherein the handle fixing portion has a slot on the top thereof, and further, a handle is fixed with the pivot element by screwing so that the handle can be pivoted along the slot and the grip angle thereof can therefore be adjusted.

ОБРАБАТЫВАЮЩИЙ ПРОФИЛИРОВАННУЮ ПЛОСКОСТЬ ШЕРОХОВАЛЬНЫЙ ИНСТРУМЕНТ ДЛЯ РЕМОНТА ШИНЫ

Изобретение относится к ремонту шины. Шероховальный инструмент для стачивания поверхности шины содержит вращающие средства для вращения шероховального круга, шероховальный круг, с возможностью вращения прикрепленный к вращающим средствам, и ограничитель глубины стачивания, прикрепленный к вращающим средствам. Ограничитель глубины стачивания содержит два вращающихся направляющих ролика, прикрепленных с возможностью вращения к ограничителю глубины и расположенных на расстоянии друг от друга вдоль общей оси вращения, так что шероховальный круг расположен между указанными двумя направляющими роликами. Шероховальный круг выполнен с возможностью прохождения на заданное расстояние за пределы диаметра указанных направляющих роликов, соответствующее необходимой глубине стачивания, при этом ось вращения шероховального круга расположена по существу перпендикулярно общей оси вращения направляющих роликов. Обеспечивается восстановление области шины в случае ее повреждения в процессе эксплуатации. 3 ...

РУЧНАЯ ОБРАБАТЫВАЮЩАЯ МАШИНКА

1. Ручная обрабатывающая машинка, содержащая первую рукоятку (106) для захвата первой рукой пользователя машинки, вторую рукоятку (118) для захвата второй рукой пользователя машинки и по меньшей мере одну соединительную муфту (114) для подсоединения ручной обрабатывающей машинки к гибкому шлангу (116), отличающаяся тем, что вторая рукоятка (118) закрывает, по меньшей мере, часть соединительной муфты (114) и выполнена с возможностью смещения из указанного положения.2. Машинка по п.1, отличающаяся тем, что она и/или вторая рукоятка (118) содержит поворотный элемент (136, 138), предназначенный для перемещения второй рукоятки (118) из ее рабочего положения посредством ее разворота в повернутое положение.3. Машинка по п.1 или 2, отличающаяся тем, что ручная обрабатывающая машинка содержит пусковой рычаг (108), а поворотная вторая рукоятка (118) соединена с пусковым рычагом (108), причем когда вторая рукоятка (118) находится в повернутом положении, она блокирует пусковой рычаг (108) в выключенном положении.4. Машинка по п.1 или 2, отличающаяся тем, что вторая рукоятка (118) содержит проем для вставки пускового рычага (108), а пусковой рычаг (108) выполнен с возможностью скольжения в указанном проеме при повороте второй рукоятки (118).5. Машинка по п.1 или 2, отличающаяся тем, что вторая рукоятка (118) содержит боковые части, проходящие до боковых сторон соединительной муфты (114).6. Машинка по п.1 или 2, отличающаяся тем, что вторая рукоятка (118) имеет удлиненную конструкцию и предназначена для захвата таким образом, что большой палец второй руки прижимается к одной боковой стороне второй рукоятки, а остальные пальцы второй руки прижимаются к другой боковой стороне второй рук� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК B24B 1/00 (13) 2012 121 574 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2012121574/02, 24.05.2012 (71) Заявитель(и): ОЙ КВХ МИРКА АБ (FI) Приоритет(ы): (30) Конвенционный приоритет: (72) ...

Belt-type grinding tool

Power tool

Power tool

This invention relates to a power tool (1) including an operative element (4) for treating a work piece. The power tool (1) defines an air passageway and includes propelling means (20) operative to induce air to flow through the passageway. The passageway direct the induced air over the power tool's motor (14) to cool the motor (14). The air is exhausted from the tool (1) by exhaust means onto the operative element (4) and a worked face of the work piece. This cools the operative element (4) which prolongs its working life. Furthermore, the exhausted air facilitates removal of swarf from the worked face.

Exhaust muffler for a pneumatic machine tool

A flexible tube 17 is connectible to the exhaust air outlet 14 of the machine tool and a flexible porous rod 21 is located inside the tube. The porous rod consists of a foamed plastic core (22) in a string net envelope (23). The rod is held only by a string 27 so that in operation it can move freely in its transverse direction relative to the tube, but not in its longitudinal direction. At its outlet end, the tube 17 is provided with a cup shaped diffusor 19. ...

Pneumatic tool with gear train

VALVE FOR THE CONTROLLING OF A FLOW MEANS

COMPRESSED AIR POLISHING EQUIPMENT WITH COOLING

WITH COMPRESSED AIR ANGETRIEBENF HANDICRAFT THINGS MACHINE

HIGH TORQUE DUAL CHAMBER TURBINE ROTOR FOR HAND HELD OR SPINDLE MOUNTED PNEUMATIC TOOL

A high torque turbine rotor for a lightweight hand held tool for grinding and polishing having a rotor that includes two separate high pressure air chambers separated by a common housing wall, each air chamber having peripheral air expelling nozzles in a tangential direction to the rotor periphery. The rotor housing is lightweight and increases torque without generally increasing the overall size and weight of the tool housing.

SLUG RETENTION GROOVE FORMING MACHINE AND METHOD

A portable and transportable die cavity modifying machine having a base carrying a carriage adjustable along one axis, e.g., a generally horizontal axis, and a machining head adjustable along another axis, e.g., a generally vertical axis, for modifying a die cavity of a stamping die in a manner that prevents blank or slug pulling during stamping press operation. The machine includes a grinder that can be pneumatically powered having a grinding bit used to precisely machine a slug retention groove in a die cavity defining surface (sidewall) of a die cavity formed in a stamping die. The machine has an angularly adjustable head carrying the grinder enabling adjustment of the angle of the groove relative to die cavity defining surface enabling the groove to be angled relative to the direction of a punch entering the die cavity during stamping.

Apparatus to be rectified, bore or mill at high speed

Apparatus to be ground portable compressed-air

Portable pneumatic grinding machine with regulation speed

Improvements with the tools comprising a rotary engine actuated by a fluid under pressure

AIR GRINDER

Provided is an air grinder. The air grinder comprises: a body; a drive shaft disposed inside the body and rotated by air pressure; first and second polishing units exposed from a distal end of the body and polishing an object; a first gear disposed inside the body and connected to the first polishing unit and rotating about a first rotary shaft by the drive shaft; and a second gear disposed inside the body and connected to the second polishing unit and rotated by the drive shaft based on a second rotary shaft different from the first rotary shaft. COPYRIGHT KIPO 2018 ...

Pneumatisk vinkelslipmaskin

HIGH TORQUE DUAL CHAMBER TURBINE ROTOR FOR HAND HELD OR SPINDLE MOUNTED PNEUMATIC TOOL

A high torque turbine rotor for a lightweight hand held tool for grinding and polishing having a rotor that includes two separate high pressure air chambers separated by a common housing wall, each air chamber having peripheral air expelling nozzles in a tangential direction to the rotor periphery. The rotor housing is lightweight and increases torque without generally increasing the overall size and weight of the tool housing.

Vented motor casing

ABRADING DEVICE HAVING A FRONT EXHAUST

Floor polisher convertible to power tool

... 819,338. Convertible floor polishers. ELECTROLUX CORPORATION. Jan. 3, 1958 [Jan. 31, 1957], No. 291/58. Class 138(1). A floor polishing device is convertible to a power tool, especially a hand power tool, by removal of a heavy ring member 12 with its ring- shaped stationary polishing means 102 and a rotary polisher 84, and replacement of the latter by a tool. As shown a housing comprises body and cover portions 14, 16 secured together by bolts and separated by a rubber &c. band 20 serving as gasket and bumper. The drive is by a domestic vacuum cleaner applied to conduit 60, the suction drawing in air at 36 to rotate turbine 32 in chamber 35, gear 50 in gear chamber 40, shaft 52, and yieldable drive (as described in Specification 672,760 [Group XXXIII]) to disc 76 held in place by latches 78, Fig. 6, (not shown), engageable in slots 80, and serpentine polishing means (such as bristles) 84. A plate 38 and flinger 46 prevent dust entering gear chamber 40; cap 56 protects the bearing 30. To ...

Air tool

SLIDING-VANE ROTARY FLUID MACHINE

Improvements in pneumatic tools

... 193,271. Goold, L. W., (Chicago Pneumatic Tool Co.). Feb. 15, 1922. Disc apparatus.-The shaft 10 of a pneumatic tool is arranged between the cylinders, and is driven from the crankshaft 8 by toothed gearing 11, 12.

HAND-HELD PNEUMATICALLY DRIVEN ROTATING TOOL

... 1329230 Hand grinding tools DESOUTTER BROS Ltd 17 Feb 1972 [17 May 1971] 15226/71 Heading B3D A hand-held rotary pneumatic tool comprises an output shaft 18 having an axial bore 20 for receiving a stem 24 of a grinding member 25, a rod 22 within the bore 20 being movable against a spring 21 on engagement with the stem 24 for actuating a control valve 28 which prevents air flow through the tool when the stem 24 is not in the correct operating position. The tool is driven by an air motor 9 supplied through a connector 4 and control valve actuated by a handle 10, the air exhausting through a space 17 between the shaft 18 and a casing 19, and outlets 34. With the stem 24 fully home, balls 32 are urged outwardly by the surface of a groove 31 in the rod 22, raising the valve 28 from engagement with a step in the internal wall of the casing 19 against the action of a spring 30, so that free exhaust flow is possible. Speed control.-Centrifugal force acting on the balls 32 in operation causes them ...

VALVE FOR THE CONTROLLING OF A FLOW MEANS

VENTIL ZUR STEUERUNG EINES STROEMUNGSMITTELS

Ergonomically friendly random orbital sander construction

PNEUMATIC HAND GRINDING TOOL

A pneumatic hand grinding tool has a supporting plate (11) and a compressed- air pipe (4) to be connected to a source of compressed air for driving the supporting plate. The supporting plate (11) has a flat surface to which an abrasive sheet (48) is to be attached by suction. For this purpose the supporting plate has ducts (41, 42, 43, 44, 45) leading into the flat surface, which are connected to an ejector unit (16) that forms a source of suction. The ejector unit (16) is arranged on the tool and has members (21, 47) which connect the ejector unit to the compressed-air pipe (4).

ADJUSTING DEVICE NUMBER OF REVOLUTIONS FOR PNEUMATIC ROTARY TOOL

WINNOW AND PUMICEOUS HAND HAS INCORPORATING SUCH A VALVE

HAND GRINDING MACHINES

SMALL DIAMETER CYLINDRICAL AIR MOTOR FOR DRIVING GRINDERS AND THE LIKE

Piston engine tourant in particular for grinding machines, to bore and others, actuated by the compressed air

Övervarvsskyddande anordning

Pneumatically operated debris-removable grinding tool

An improved pneumatically operated grinding tool having a debris removing device is primarily equipped with a main body, a pneumatic motor, a lower chamber, an upper and a lower debris intaking wheel, an air guiding disc, a cushion ring, a partition mount and a grinding plate. The grinding plate is provided with a plurality of through holes thereon so as to permit grinding debris to be sucked into the lower chamber therethrough and via the periphery thereof and further led into the lower debris intaking wheel and then the air guiding disc. The upper and lower debris intaking wheels assembled together with the air guiding disc disposed therebetween are both provided with a hexagon-shaped through hole respectively so as to permit the wheels to be fixedly secured in place onto a hexagonal shaft. The additional upper debris intaking wheel disposed on top of the air guiding disc can help introduce grinding debris delivered from the air guiding disc into an outlet and further to a debris outlet ...

Portable abrading handtool

An air powered, portable abrading tool having a valve operable in response to engagement with a surface to be abraded for driving an abrasive disk.

EXTENSION-TOOL.

Overspeed safety device

An overspeed safety device for a pneumatic rotation motor having a stator ( 10 ) with an air inlet passage ( 16 ), a rotor ( 12 ), and a speed governor for determining a maximum speed level, and comprising a speed responsive actuator ( 34 ) connected to the rotor ( 12 ) and a valve ( 33 ) shiftable by the actuator ( 34 ) from a normally open position to a closed position so as to block or substantially restrict the air flow through the inlet passage ( 16 ) at the attainment of motor speed levels exceeding a predetermined maximum level should the speed governor malfunction, wherein the actuator ( 34 ) comprises a spring biassed contact element ( 48 ) connected to the rotor ( 12 ) and responsive to centrifugal action, and the valve ( 33 ) comprises a disc-shaped valve element ( 36 ) pivotally supported in the inlet passage ( 16 ) and maintained in its open position by one magnet ( 42 ) and in its closed position by another magnet ( 43 ).

Rotary-motor tool

Pneumatic tool with settable safety function

A pneumatic tool with settable safety function, including: a main body having a flow way for a fluid to flow into the main body to drive a pneumatic cylinder; a switch disposed in the main body for blocking the flow way in normal state; a trigger disposed on the main body for triggering the switch; a safety device movable between an activation position and a non-activation position; and a switching button connected with the safety device and switchable to position the safety device in the activation position or non-activation position. When the safety device is positioned in the activation position, the trigger can be pulled to shift the switch to activate the pneumatic tool, while when the safety device is positioned in the non-activation position, the trigger cannot be pulled to shift the switch so as to provide a safety effect.

Rotor structure of pneumatic tool

A rotor structure of pneumatic grinder, including a rotor main body and at least one reinforcing plate. The rotor main body is formed with a central shaft hole for a rotary shaft to pass through. Several radial projecting sections are formed on outer circumference of the rotor main body at equal intervals. Each projecting section has a depression for reducing the weight of the rotor structure. A split is defined between each two adjacent projecting sections. A vane is inserted in each split. The reinforcing plate is coaxially embedded in the rotor main body. The reinforcing plate outward radially expands from the axis of the rotor main body for increasing the strength of the rotor main body.

HAND GRINDER AND VALVE FOR SAID GRINDER

Herausnehmbare Zahnprothese für einen zahnlosen Unter- und Oberkiefer

Herausnehmbare Zahnprothese für zahnlose Unter- und Oberkiefer, die künstliche Zähne (1) auf einer zweischichtigen Basis beinhaltet, wobei die Basis (2) aus einer harten Schicht (3) und einer weichen Amortisationsschicht (4) besteht, die in der Mundhöhle (5) auf dem Alveolarkamm (6) aufgestellt sind, dadurch gekennzeichnet, dass die Amortisationsschicht (4) so weit ausgefahren ist, dass sie über die ganze Kontur der zweischichtigen Basis (2) vorragt und eine Klappenbildung (7) über die ganze Kontur der zweischichtigen Basis (2) (von 1,0 bis 6,0 mm breit und von 0,1 bis 3,0 mm dick) ermöglicht.

Bandschleifwerkzeug

Ein Bandschleifwerkzeug ist vorgesehen, um einen Eintritt von Verunreinigungen in das Innere eines Werkzeugkörpers zu verhindern. Eine Rollentragstange (12) wird in einem Stangenaufnahmeloch (29) in einem Werkzeugkörper (10) gehalten, und zwar verschiebbar zwischen einer Spannungsaufbringungsposition, wo die Rollentragstange (12) eine Spannung auf ein endloses Schleifband (20) aufbringt, und einer Spannungsfreigabeposition hält, wo die Rollentragstange (12) von der Spannungsaufbringungsposition zurückgezogen ist und die Spannung von dem endlosen Schleifband freigibt. Der Werkzeugkörper (10) ist mit einem Verriegelungsgliedaufnahmeloch (33) mit kreisförmigem Querschnitt geformt, welches das Stangenaufnahmeloch (29) im Wesentlichen senkrecht schneidet, und ein im Wesentlichen kreisförmiges säulenförmiges Verriegelungsglied (34) ist verschiebbar in dem Verriegelungsgliedaufnahmeloch (33) angeordnet. Das Verriegelungsglied (34) ist zwischen einer Verriegelungsposition, wo das Verriegelungsglied ...

Hand machine tool, particularly grinding machine, polishing machine or screwing tool, has pneumatic multi-disk motor that has stator housing, which has rotor chamber

The hand machine tool has a pneumatic multi-disk motor (15) that has a stator housing (30), which has a rotor chamber (31), in which a rotor (36) is pivoted with a motor shaft (16). The rotor has a rotor body and multi-disks (39) that are pivoted inwards a periphery wall. One of the multi-disks or the stator housing or rotor body partially consists of a non-metallic material. The non-metallic material forms or has a graphite material or a ceramic material.

Hand-Werkzeugmaschine mit einem Lamellenmotor aus einem Nicht-Metall

Hand-Werkzeugmaschine, insbesondere Schleifgerät, Poliergerät oder Schraubgerät, mit einem pneumatischen Lamellenmotor (15), wobei der Lamellenmotor (15) ein Statorgehäuse (30) aufweist, das eine Rotorkammer (31) aufweist, in der ein mit einer Motorwelle (16) versehener Rotor (36) drehbar aufgenommen ist, und wobei der Rotor (36) einen Rotorkörper (38) und an Lamellenaufnahmen (40) des Rotorkörpers (38) zu einer Umfangswand (33) der Rotorkammer (31) hin beweglich gelagerte Lamellen (39) aufweist, dadurch gekennzeichnet, dass mindestens eine der Lamellen (39) und/oder das Statorgehäuse (30) und/oder der Rotorkörper (38) zumindest teilweise aus einem nicht-metallischen Werkstoff besteht, wobei der nicht-metallische Werkstoff einen Graphit-Werkstoff umfasst oder bildet und die Wärmeausdehnungskoeffizienten des nicht-metallischen Werkstoffes und des Metallwerkstoffes bei 20°C etwa im Bereich von 2 bis 14 * 10-6/K liegen.

Power tool

Pneumatic tool

... [Problem] To provide a pneumatic tool in which an expansion chamber is formed without requiring an increase in the extenal size of a housing. [Solution] In the pneumatic tool, a housing has: a cylindrical motor housing section 30A that has a motor-accommodating part 30a and an output shaft-accommodating part 30b which is connected contiguously to an end of the motor-accommodating part 30a, and which accommodates an annular bearing 22 and a motor output shaft extending out of the annular bearing; a tool shaft housing part 30B; and a curved corner housing part 30C that connects the motor housing part 30A and the tool shaft housing part 30B. The output shaft accommodating part 30b has an expansion chamber 36 which is connected to an exhaust connection hole 34 extending radially outward of the annular bearing 22, and which extends in the circumferential direction and the longitudinal axis direction. The expansion chamber 36 is configured to have an inner volume large enough to allow for expansion ...

BRAKE DEVICE OF PNEUMATIC ROTATIONAL TOOL

HAND GRINDER AND VALVE THEREFOR

ROTARY AIR MOTOR FOR A HAND TOOL AND GRINDER EQUIPPED THEREWITH

... 1414168 Rotary positive-displacement fluidmachines USHIO KOGYO CO Ltd 4 Sept 1972 [19 Feb1972] 40857/72 Heading F1F [Also in Division B3] In a hand-held sliding-vane pneumatic-motor for a tool such as grindstone, a cylinder 2 is secured in a tubular casing 1 by fixed retainers 7, 8 and houses a rotor 3, air being conveyed to and from inlet and exhaust openings 13, 14 by way of grooves a, b, which facilitate formation of the casing by extrusion. The air flow to the groove a from a hose 5 through a filter 6 is regulated by a manuallyoperated valve comprising a grip 18 and tube 4 inter-connected by screw threads. A second embodiment, Figs.8 to 10 (not shown), differs mainly in that spent air is discharged by way of a groove c in addition to the grooves b, and a sound arrester (37).

Apparatus for machining components of gas turbine engines

Apparatus for machining (e.g. repairing) a gas turbine engine component (turbine rotor blade, NGV, compressor aerofoil, etc.), the apparatus comprising: a flexible pipe 12 having first 20 and second 22 ends and a conduit 24 for receiving a fluid (e.g. compressed air); one or more first actuators 14 (e.g. cables or inflatable members) enabling the first end to be re-positioned relative to the second end: a turbine 16 adjacent to first end, receiving fluid from the conduit; and a tool head 18 coupled to the first end of the flexible pipe, the tool head comprising: a fastener 30 arranged to fasten to a tool and to receive torque from the turbine. The turbine may be positioned within the tool head or the flexible pipe. The tool head may comprise a first tool head part (181, figure 4) fixed in position to a second tool head part (182) at a non-zero angle between their longitudinal axes. The tool head may further comprise a joint (40, figure 5) between the tool head parts. One or more second ...

AIR TOOLS

ROTATION TOOL

TRANSPORTABLE EQUIPMENT, WHICH IS INTENDED TO SHARPENING, FOREMEN AND SMOOTHING AND A DEVICE WITH NEGATIVE PRESSURE ENTERPRISE CONTAINED

PNEUMATIC TOOL

MAGNETIC STRÖMUNGSSCHALTER, IN PARTICULAR FOR VACUUM CLEANERS

AIR TOOL

[Problem] To provide a pneumatic tool in which an expansion chamber is formed without requiring an increase in the external size of a housing. [Solution] In this pneumatic tool, a housing has: a cylindrical motor housing section 30A that has a motor-accommodating part 30a and an output shaft-accommodating part 30b which is connected contiguously to an end of the motor-accommodating part 30a, and which accommodates an annular bearing 22 and a motor output shaft extending out of the annular bearing; a tool shaft housing part 30B; and a curved corner housing part 30C that connects the motor housing part 30A and the tool shaft housing part 30B. The output shaft accommodating part 30b has an expansion chamber 36 which is connected to an exhaust connection hole 34 extending radially outward of the annular bearing 22, and which extends in the circumferential direction and the longitudinal axis direction. The expansion chamber 36 is configured to have an inner volume large enough to allow for expansion of exhaust air that passes through the exhaust connection hole 34 and comes into the expansion chamber 36.

Head structure of pneumatic tool

A head structure of a pneumatic tool has an accommodation room in a pneumatic tool body. A driving gear and a transmission unit are pivoted in the accommodation room. The transmission unit includes a gear member having a transmission gear to mesh with the driving gear. The rear end of the gear member is provided with a gear rod. A bearing fitted on the gear rod is limited to a first limit portion at the distal end of the transmission gear. The gear rod is connected with a connection member which has a second connection portion to engage with the first connection portion. The connection member has a second limit portion adapted to limit another side of the bearing. The limit member is secured to the distal end of the accommodation room. The limit member is adapted to limit the bearing in the accommodation room.

Air File

An air file has a body, a fastening member, and a driving assembly. The body has a handle and a front cover connected to the handle. The fastening member is swingably assembled to the front cover and has a pivoting end and a connecting end. The pivoting end of the fastening member is inserted inside the front cover. The connecting end of the fastening member extends out of the front cover. The driving assembly is mounted inside the body and has an eccentric shaft and a swinging unit. The eccentric shaft is connected to a driving device and has an eccentric hole facing to the front cover. The swinging unit has a pivoting portion and a ball joint. The pivoting portion is pivotally connected to the pivoting end of the fastening member. The ball joint is engaged in the eccentric hole of the eccentric shaft. 1. An air file comprising: a handle; and', 'a front cover connected to the handle;, 'a body having'} a pivoting end inserted inside the front cover; and', 'a connecting end extending out of the front cover;, 'a fastening member swingably assembled to the front cover and having'} an eccentric shaft connected to a driving device and having an eccentric hole facing to the front cover; and', a pivoting portion pivotally connected to the pivoting end of the fastening member; and', 'a ball joint engaged in the eccentric hole., 'a swinging unit having'}], 'a driving assembly mounted inside the body and having'}2. The air file as claimed in further having a pivoting assembly claim 1 , whereinthe pivoting assembly has a pivoting board fixed to the front cover; andthe fastening member is pivotally connected to the pivoting board and is swingably assembled to the front cover by the pivoting board.3. The air file as claimed in claim 2 , wherein the pivoting assembly hasa pivoting bolt passing through the pivoting board and the fastening member; anda nut screwed with the pivoting bolt.4. The air file as claimed in claim 3 , whereinthe driving device is a pneumatic mechanism with ...

SANDER PROVIDING AIRFLOW CORRECTION

A sander capable of correcting airflow amount comprises a body and a correction valve. The body includes an air intake passage to receive pressurized air, a drive motor driven by the pressurized air to rotate at a rotational speed including a preset range and an excessive range, and a regulation valve located on the air intake passage to adjust the rotational speed of the drive motor in the preset range. The correction valve includes an adjustment portion operable in an adjustment displacement and a mask wall movable by the adjustment portion to block the air intake passage. The adjustment portion determines the flow amount of the pressurized air passing through the correction valve according to the adjustment displacement thereof to confine the rotational speed of the drive motor from the excessive range to the preset range, thereby controls the rotational speed of the drive motor in the preset range. 1. A sander providing airflow correction , comprising:a body including an air intake passage to receive pressurized air, a drive motor driven by the pressurized air to rotate at a rotational speed including a preset range and an excessive range, and a regulation valve located on the air intake passage and operable manually by a user to adjust the rotational speed of the drive motor in the preset range; anda correction valve which is located on the air intake passage and coupled with the regulation valve, and includes an adjustment portion operable by a mechanical tool to proceed an adjustment displacement and a mask wall movable by the adjustment portion to block the air intake passage, the adjustment portion determining flow amount of the pressurized air passing through the correction valve according to the position thereof during the adjustment displacement to confine the rotational speed of the drive motor from the excessive range to the preset range.2. The sander of claim 1 , wherein the proportion of the excessive range to the preset range is less than 30%.3. The ...

Pneumatic power tool with an over-speed safety device

A pneumatic power tool includes: a housing with a pressure air inlet passage, a rotation motor, a working implement carrying output shaft, and an over-speed safety device including: a valve element located in the inlet passage and shiftable between open and closed positions, a motor speed responsive actuating mechanism which can shift the valve element from an open to a closed position as motor speed reaches an accepted maximum limit, and a retaining unit which maintains the valve element in an open position at normal motor speed levels and releases it toward the closed position when actuated by the actuating mechanism. The retaining unit includes: a latch spindle having varying width in an axial direction and coupled to the actuating mechanism for displacement between valve element locking and releasing positions at the maximum speed limit, and a support surface and axially adjacently located one or more waist portions.

STRUCTURE OF WATER MILL

An improved structure of water mill has a body provided with a handle part, a body part, a working head base and a pressing control switch. The handle part is provided with an intake passage, an exhaust passage, and a water inlet reversing passage. By triggering the pressing control switch, a high-pressure gas is guided into the intake passage and the body to drive the water grinder. A water pump gas outlet is provided with a double sleeve tube connected to a sealed water storage tank. The discharged high-pressure gas is guided into the sealed water storage tank through the outer tube of the double sleeve tube, so that the stored water is pressed back to the double sleeve tube and is simultaneously guided into the water inlet reversing passage. Finally, the water is guided out to the working head base, with simultaneous grinding and water cooling. 1. An improved structure of water mill , comprising a water mill body provided with a handle part , a body part , a working head base , and a pressing control switch; wherein the handle part is provided with an intake passage , an exhaust passage , and a water inlet reversing passage; the intake passage is provided with a gas inlet , and the exhaust passage is provided with an adjustable exhaust head; the water inlet reversing passage is provided with a water pump tube; an intake control valve is disposed between the intake passage and the exhaust passage; the exhaust passage is provided with a water pump gas outlet connected with a double sleeve tube; the double sleeve tube has an inner tube and an outer tube , with the inner tube connecting to one end of the water pump tube of the water inlet reversing passage; the other end of the water pump tube is connected with a water outlet tube; the body part is formed with an inner cavity that accommodates a pneumatic rotor; the working head base is provided with a connecting disk whose end surface is connected with a water-grinding sheet; the intake passage and the exhaust ...

MULTIFUNCTION ROTARY TOOL INCLUDING HUB

A handheld multifunction power tool includes a driveshaft, a hub assembly, and a stem. The hub assembly includes an outer hub and an inner hub that is rotatably coupled with the inner hub and rotatable with respect to the outer hub. Rotation of the inner hub relative to the outer hub facilitates selection from among a rotary mode and a random orbital mode. 1. A handheld multifunction rotary tool comprising:a housing;a rotary motor disposed at least partially within the housing and rotatable with respect to the housing about a drive axis;an outer hub operably coupled with the rotary motor and configured to rotate together with the rotary motor about the drive axis, the outer hub defining a first receptacle, the first receptacle defining a first centerline that is offset from the drive axis;an inner hub disposed in the first receptacle and rotatable with respect to the outer hub about the first centerline between a first position and a second position, wherein the inner hub defines a second receptacle that defines a second centerline that is offset from the first centerline;a stem extending at least partially into the second receptacle and rotatable with respect to the inner hub about the second centerline, wherein the stem is configured to receive a surface treatment device;a selection collar rotatably coupled with the outer hub and rotatable with respect to the outer hub about the drive axis, the selection collar being operably coupled with the inner hub and configured to facilitate selective rotational positioning of the inner hub between the first position and the second position; wherein:when the inner hub is in the first position the second centerline is coaxial with the drive axis; andwhen the inner hub is in the second position, the second centerline is offset from the drive axis.2. The handheld multifunction rotary tool of wherein:the first centerline is spaced from the drive axis by a first distance; andwhen the inner hub is in the second position, the ...

MULTIFUNCTION ROTARY TOOL INCLUDING DRIVESHAFT

A handheld multifunction power tool includes a driveshaft, a hub assembly, and a stem. The hub assembly includes an outer hub and an inner hub that is rotatably coupled with the inner hub and rotatable with respect to the outer hub. Rotation of the inner hub relative to the outer hub facilitates selection from among a rotary mode and a random orbital mode. 2. The handheld multifunction rotary tool of wherein the tip portion is biased into the extended position.3. The handheld multifunction rotary tool of wherein the stem defines a slot for receiving the tip portion when the tip portion is in the extended position.4. The handheld multifunction rotary tool of further comprising:an outer hub operably coupled with the driveshaft and configured to rotate together with the rotary motor and the driveshaft about the drive axis, the outer hub defining a first receptacle that defines a first centerline; the stem is at least partially disposed in the second receptacle; and', 'the driveshaft extends through a portion of each of the outer hub and the inner hub and into the second receptacle such that the stem is accessible to the tip portion to facilitate selective engagement between the tip portion and the stem., 'an inner hub disposed in the first receptacle and defining a second receptacle, the inner hub being rotatable with respect to the outer hub about the first centerline between a first position and a second position; wherein5. The handheld multifunction rotary tool of wherein:the inner hub comprises a main body and a pair of shoulders disposed along an upper surface of the main body;the pair of shoulders are spaced apart from each other and define a slot;when the inner hub is in the first position, the tip portion is aligned with the slot such that the tip portion is in the extended position and is engaged with the stem; andwhen the inner hub is in the second position, the tip portion is misaligned with the slot and rests on the pair of shoulders such that the tip ...

Wilson ICA H2O Turbine Cleaner

A hand tool apparatus for cleaning pool tile and plaster pool stains. The apparatus is made of chemical resistant plastics and a hydro turbine. The apparatus body houses two ports. One port is for the water intake line. A second port is for the suction line coming from the pool pump system. The suction line from the pool pump system then connects to the invention (hand held tool). The invention houses a hydro turbine. A detachable abrasion member is mounted at the end of the turbine shaft. The hydro turbine is activated by using pool suction from the pool pump system. A 3-way valve controls the water intake flow which in turn controls the desired RPM's (revolutions per minute). The combination of RPM's and abrasion member results in removal of unwanted calcium buildup on swimming pool tile or swimming pool plaster. 1. a hand-held tool which houses a Hydro Turbine which is activated by using the suction line from the pool cleaner and a water intake hose from the pool water.2. A drive shaft mounted for rotation within hand held tool which is connected to the Hydro Turbine.3. A detachable abrasive member which screws into shaft connected to the turbine or use of a chuck to attach abrasive disk or member.4. RPM is controlled by a water flow control valve which regulates the water flow from the water intake line through the Turbine to the pool pump suction line , one of these types of a valves could be used , 3-way Ball valve , Butterfly valve , Spear valve , Gate valve , Diaphragm valve , Globe valve , Check valve , Solenoid valve.5. The apparatus of claim 1 , is Hydro powered using various types of water turbines to create the desired RPM's using a suction line from the pool pump system.6. Any one of these Reaction Turbines-VLH claim 1 , Francis claim 1 , Kaplan-Propeller-Bulb-Tube-Straflo claim 1 , Tyson claim 1 , Gorlov claim 1 , could be used with various results of RPM's7. Any of one these Impulse Turbines-Waterwheel claim 1 , Pelton claim 1 , Turgo claim 1 , ...

Streaming volumetric video for six degrees of freedom virtual reality

There is disclosed a system and method for streaming of volumetric three-dimensional video content. The system includes a separate rendering server and display device such that the rendering server receives pose and motion data from the mobile device and generates completed frames of video for the mobile device. The frames of video are transmitted to the mobile device for display. Predictive algorithms enable the rendering server to predict display device pose from frame-to-frame to thereby reduce overall latency in communications between the rendering server and display device.

HANDHELD POWER TOOL WITH LOW SPEED

A handheld power tool with low speed includes a housing, a middle sleeve shell and a front sleeve shell connected by threads on the exterior, and a pneumatic motor, a planet gear mechanism, a bearing, a cushion member and a fastened base in the interior. The pneumatic motor connects the planet gear mechanism through a driving shaft. The planet gear mechanism connects a grinding member located in the fastened base through a driven shaft and a flexible shaft. An outer flange portion is disposed around the fastened base. An inner flange portion is disposed on the front sleeve shell in order to press the outer flange portion while the middle sleeve shell is locked by the front sleeve shell so that the fastened base, the cushion member, the bearing, the planet gear mechanism and the pneumatic motor are fixed in a row. 1. A handheld power tool with low speed comprising:a housing having a first opening with a first outer thread portion at an end thereof, a pneumatic motor with a driving shaft extending out of the first opening disposed in the housing;a middle sleeve shell having a second opening and a third opening at two ends thereof, wherein the second opening is provided with a first inner thread portion to be fit with the first outer thread portion of the housing, and the third opening is provided with a second outer thread portion;a planet gear mechanism disposed in the middle sleeve shell including a gear base provided with a plurality of planet gears and a gear circuit surrounding the gear base, wherein each of the planet gears is engaged with the driving shaft and the gear circuit respectively, and the gear base is provided with a driven shaft extending out of a bearing that is adjacent to the gear base;a cushion member disposed in the middle sleeve shell with an end being adjacent to the bearing and an opposite end extending to the third opening, wherein the cushion member has a shaft hole provided with a coupling member connected between the driven shaft and a ...

PNEUMATIC TOOL WITH GEAR TRAIN

The present invention relates broadly to pneumatic tools, such as a sander, that provide an optimum output speed and has significant stall torque to reduce the risk of the tool from stalling during use. The tool includes a coupled gear set that drives an output accessory, such as an abrasive pad, at an optimum speed without loss of power or power reduction, and with an amplified stall torque. The coupled gear set may include a first gear set that functions as a speed reducer, and a second gear set that functions as a speed increaser. 1. A tool with an output shaft and a motor having a motor shaft , wherein the motor shaft rotates at a first rotational speed , the tool comprising:a gear carrier having first and second sides;a first gear set operably coupled to the first side, and adapted to receive rotational force from the motor shaft and provide rotational force at a second rotational speed that is less than the first rotational speed; anda second gear set operably coupled to the second side and adapted to receive the rotational force from the first gear set and provide output rotational force to the output shaft at a third rotational speed that is greater than the second rotational speed.2. The tool of claim 1 , wherein the first gear set includes at least three first planet gears.3. The tool of claim 2 , wherein the second gear set includes at least three second planet gears.4. The tool of claim 2 , wherein the first gear set is adapted to receive and engage the motor shaft.5. The tool of claim 3 , wherein the second gear set is adapted to receive and engage a toothed portion of the output shaft.6. The tool of claim 3 , wherein the first planet gears are larger than the second planet gears.7. The tool of claim 1 , further comprising a gear housing adapted to radially cover the first and second gear sets.8. The tool of claim 7 , wherein the gear housing includes internal gear teeth adapted to engage first gear teeth of the first gear set and second gear teeth of ...

PNEUMATIC GRINDING TOOL

A pneumatic grinding tool includes a rotatable shaft, a rotor, a sleeve, a bearing assembly, a fixing member, and an air feed assembly. The rotatable shaft includes a rotatable main body, a first connecting portion, a second connecting portion, and a clamping portion for clamping a grinding head. The bearing assembly is positioned between the sleeve and the rotatable shaft. The fixing member is connected to the second connecting portion. The air feed assembly includes a main body, an air inlet, and an air outlet. One end of the main body is sleeved on the sleeve, and the rotor is received in the main body. The main body, the sleeve, the bearing assembly and the rotatable shaft cooperatively form an air chamber configured such that when air flows into the air chamber, and the vanes of the rotor rotate, the rotatable shaft rotates with the rotor. 1. A pneumatic grinding tool comprising:a rotatable shaft comprising a rotatable main body, a first connecting portion and a second connecting portion arranged at two opposing sides of the rotatable main body, and a clamping portion arranged at one side of the second connecting portion away from the rotatable main body, the clamping portion configured to clamp a grinding head;a rotor connected to the first connecting portion and comprising a plurality of vanes;a sleeve sleeved on the rotatableshaft;a bearing assembly positioned between the sleeve and the rotatable shaft;a fixing member connected to the second connecting portion to mount the grinding head; andan air feed assembly comprising a main body, an air inlet and an air outlet protruding from the main body, the air inlet being configured to couple to an external air source;wherein one end of the main body is sleeved at one end of the sleeve adjacent to the first connecting portion, and the rotor is received in the main body; andwherein the main body, the sleeve, the bearing assembly and the rotatable shaft cooperatively form an air chamber configured such that when air ...

POWER TOOL

A hand held power tool includes: a motor room housing a motor that drives an output shaft; a bevel gear including interconnected pinion and crown gears, wherein the pinion gear is connected to a pinion shaft drivingly connected to the output shaft and the crown gear is drivingly connected to a tool holding shaft; a gear housing that delimits a fluid tight gear space around the bevel gear; a bearing, around the pinion shaft and close to the pinion gear, which delimits a confined space around the pinion shaft and within the gear space; and a fluid tight axial sealing, around the pinion shaft inside the confined space of the gear space, which seals off the gear space from the motor room. At least one fluid conveying opening is arranged to put the confined space of the gear space in fluid contact with the rest of the gear space. 17-. (canceled)8. A hand held power tool comprises:a motor room that houses a motor that drives a motor output shaft;a bevel gear comprising an interconnected crown gear and pinion gear, wherein the pinion gear is connected to a pinion shaft that is drivingly connected to the motor output shaft and the crown gear is drivingly connected to a tool holding shaft;a gear housing that at least partly delimits a fluid tight gear space around the bevel gear;a bearing, arranged around the pinion shaft and close to the pinion gear, which delimits a confined space around the pinion shaft and within the gear space; anda fluid tight axial sealing, arranged around the pinion shaft inside the confined space of the gear space, which seals off the gear space from the motor room, wherein at least one fluid conveying opening is arranged to put the confined space of the gear space in fluid contact with the rest of the gear space,wherein the bearing is supported by a hollow support member that is arranged outside the pinion shaft, and wherein the confined space of the gear space is axially delimited by the bearing on one side and by the fluid tight axial sealing on ...

DEVICE AND METHOD FOR POLISHING OR ABRADING PRODUCTS

A device for polishing or abrading products (M), includes: a polishing element () provided with an operating surface () designed to perform a polishing or sanding movement, preferably a circular or orbital movement; 1. A device for polishing or abrading products (M) , comprising:{'b': 1', '4, 'a polishing element () provided with an operating surface () designed to perform a polishing or sanding movement, preferably a circular or orbital movement; and'}{'b': 13', '1', '4, 'motor means () operatively connected to said element () for impressing on the operating surface () said polishing movement,'}wherein the device further comprises:{'b': 3', '5', '7', '6', '4, 'one or more air ducts () extending from an inlet opening (), which communicates with a source () of a flow of treated air, for example dried air, gaseous nitrogen, or modified air rich in nitrogen, to one or more outlets () of said flow distributed in an area corresponding to said operating surface (); and'}{'b': '8', 'means () for regulating the temperature of said flow of treated air at a value comprised between −5° C. and +20° C.'}2. The device according to claim 1 , further comprising means for regulating the pressure of said flow of treated air at a value comprised between 1 bar and 5 bar.31124. The device according to claim 1 , wherein said polishing element () comprises a disk provided with a polishing pad () permeable to said flow of treated air that can be removably applied on said operating surface ().413131416. The device according to claim 1 , wherein said means () provided for impressing on the operating surface of said disk a circular or orbital motion comprise an electric motor () housed within a casing () provided with a manual grip ().513211416. The device according to claim 1 , wherein said means () provided for impressing on the operating surface of said disk a circular or orbital motion comprise a pneumatic motor () housed within a casing () provided with a manual grip () claim 1 , the ...

PNEUMATIC TOOL

A pneumatic tool comprises a housing, a chamber formed inside the housing, and a pneumatic mechanism and a cylinder disposed inside the chamber. The housing includes a gas inhale channel and a gas exhaust channel respectively interconnecting with the chamber. A ventilation gap is formed between the cylinder and chamber. The cylinder includes a compartment receiving the pneumatic mechanism, a gas inlet hole interconnecting with the compartment and gas inhale channel, and at least one gas outlet hole interconnecting with the compartment and ventilation gap. The pneumatic tool also comprises at least one buffer turbulent channel disposed on at least one of the sides of the cylinder and chamber, which face the ventilation gap. The variation of the cross section area between the ventilation gap and buffer turbulent channel can regulate flowing the speed of the high-pressure and high-speed gas and make it drive the pneumatic mechanism smooth. 1. A pneumatic tool comprising a housing , a chamber defined by the housing , and a pneumatic mechanism disposed inside the chamber , wherein the housing includes a gas inhale channel and a gas exhaust channel respectively interconnecting with the chamber , and wherein the pneumatic tool is characterized inthat the pneumatic tool comprises a cylinder disposed inside the chamber and a ventilation gap formed between the cylinder and the chamber and interconnecting with the gas exhaust channel, andthat the cylinder includes a compartment receiving the pneumatic mechanism, a gas inlet hole interconnecting with the compartment and the gas inhale channel, and at least one gas outlet hole interconnecting with the compartment and the ventilation gap, andthat the pneumatic tool also comprises at least one buffer turbulent channel disposed on at least one of one side of the cylinder, which faces the ventilation gap, and one side of the chamber, which faces the ventilation gap.2. The pneumatic tool according to claim 1 , wherein the pneumatic ...

PNEUMATIC TOOL

A pneumatic tool comprises a housing, a cylinder and a pneumatic assembly. The housing includes a compartment, an air entrance channel interconnecting with the compartment, and an air exit channel interconnecting with the compartment. The air exit channel includes an air incoming end, an air outgoing end, and a flow-guiding incline disposed on one side of the compartment, which faces the cylinder, and connected with the rim of the air exit channel partially or completely. The cross section of the air incoming end is larger than the cross section of the air outgoing end. 1. A pneumatic tool , comprising a housing , a cylinder and a pneumatic assembly , wherein the housing includes a compartment , an air entrance channel interconnecting with the compartment , and an air exit channel interconnecting with the compartment , and wherein the air exit channel includes an air incoming end and an air outgoing end , and wherein the cylinder includes an air chamber for accommodating the pneumatic assembly , an air inlet hole interconnecting with the air chamber and disposed corresponding to the air entrance channel , and an air outlet hole interconnecting with the air chamber and the compartment , and wherein the pneumatic tool is characterized in that the air exit channel includes a flow-guiding incline disposed on one side of the compartment , which faces the cylinder , and connected with the entire rim or a part of the rim of the air exit channel , and that the cross section of the air incoming end is larger than the cross section of the air outgoing end.2. The pneumatic tool according to claim 1 , wherein a curvature of the flow-guiding incline gradually increases from one side thereof claim 1 , which is far away from the air exit channel claim 1 , toward the air exit channel.3. The pneumatic tool according to claim 2 , wherein the flow-guiding incline is connected with a part of the rim of the air exit channel claim 2 , and the air exit channel further includes a blocking ...

PNEUMATIC ANGLE GRINDER HAVING IMPROVED GRIP STRUCTURE

A pneumatic angle grinder having an improved grip structure to solve the problem that the holding posture is not ergonomic when the wrist is lifted. When a press handle is pressed downward to the bottommost, a rear section of the press handle is lower than a front section thereof. The rear section is substantially flush with a tail portion of a cover. A depression is formed above a bent section and the rear section of the press handle and the tail portion of the cover relative to the height of the front section. When an operator grasps a head portion of a main body, the thenar and the hypothenar of the operator lean against the cover. The location of the depression to rest the bottom side of the wrist is significantly lower than the top end of the head portion for the wrist to move downward. 1. A pneumatic angle grinder , comprising a main body , the main body having a passage therein for inhaling and exhausting air , high pressure air passing through the passage to drive an air motor to rotate so as to actuate a grinding device mounted to a bottom of the main body , the main body having a head portion at a top thereof and a valve seat extending from one side of the main body , the valve seat being provided with a connector for supplying air , the valve seat being provided with a switch for controlling rotation of the air motor , one end of a press handle being pivotally connected to the valve seat , the press handle extending beyond the switch , another end of the press handle being above the head portion , a cover being pivotally connected to the valve seat , the cover having a side portion located on the valve seat to cover opposite sides of the press handle , the cover having a tail portion extending outward along the valve seat to cover the connector , characterized in that:when the press handle is pressed downward to the bottommost, a portion of the press handle above the head portion is defined as a front section and another portion above the valve seat is ...

Hand-Held Turbine Cleaner

A hand-held turbine cleaning tool includes front and rear housings coupled to each other, an outlet at one end of the tool, and a top of the tool at an opposed end. The outlet is directed in a first direction away from the top. An inlet is disposed between the outlet and the top and is also directed in the first direction. A diverter valve at the inlet is moveable between on and off positions. The on position directs water flowing into the inlet from the inlet, up to the top in a second direction opposite the first direction, and then down to the outlet in the first direction. A turbine at the top has a turbine shaft that extends outside the tool. An abrasive member is connected to the turbine shaft and is configured to rotate when water flows from the inlet to the outlet.

Improved Slug Retention Groove Forming Machine and Method of Use and Operation Thereof

A portable and transportable die cavity modifying machine having a base carrying a carriage adjustable along one axis, e.g., a generally horizontal axis, and a machining head adjustable along another axis, e.g., a generally vertical axis, for modifying a die cavity of a stamping die in a manner that prevents blank or slug pulling during stamping press operation. The machine includes a stop that is adjustably connected to the carriage. The stop is configured to limit movement of the machining head along the generally vertical axis. The machine may also feature a vibration isolator that is used with the stop to prevent noise and vibration that result from movement of the machining head in relation to the stop. Additionally, the machine may include an optical device capable of capturing an image of the die cavity defining sidewall as the rotary grinding bit machines the elongate slug retention groove. 1. A machine for modifying a sidewall defining a die cavity formed in a die with a slug retention groove comprising:a base grounding the machine to the die adjacent the die cavity;a slide arrangement carried by the base, the slide arrangement comprised of a movable slide block that is movable relative to the die cavity in a direction toward or away from the cavity-defining sidewall; anda machining head carried by the movable slide block, the machining head comprised of a slug retention groove forming tool used to form a slug retention groove in the cavity-defining sidewall.2. The machine of claim 1 , further comprising a stop that operatively cooperates with one of the slide arrangement and machining head to limit movement of at least one of the machining head and tool relative to the cavity-defining sidewall.3. The machine of claim 2 , wherein the stop comprises a downward travel motion limiting stop that limits travel of the machining head and tool toward the cavity-defining sidewall.4. The machine of claim 2 , wherein the stop comprises a travel range limiting stop ...

Speed Limiting Governor of a Rotating Shaft in Air

A power tool includes a housing, an output shaft, and a tool holder connected to the output shaft. A rotor assembly is attached to the output shaft that is configured to be acted on by a fluid flow through the housing to cause rotation of the output shaft. A centrifugally movable fluid flow governor is coupled to the output shaft that is configured to move outwardly from the output shaft to alter a force acting on the rotor assembly when the output shaft reaches a predetermined speed.

PROFILED PLANE ABRADING TOOL FOR TIRE REPAIRS

The present invention includes methods and apparatus for controlling the abrasion of a tire surface. Particular embodiments provide an abrading tool for abrading a surface of a tire, the tool comprising means for rotating an abrading wheel, an abrading wheel rotatably attached to the means for rotating, and a depth guide secured to the means for rotating, wherein the depth guide includes a pair of freely rotatable, spaced apart guide wheels. Further embodiments include a depth guide configured for use with an abrading tool which includes a abrading wheel and a means for rotating the abrading wheel, the depth guide comprising a mounting member securable to the means for rotating and a pair of freely rotatable, spaced apart guide wheels rotatably attached to the mounting member. Particular embodiments further include a method for preparing a portion of a tire for repair. 1. An abrading tool configured for abrading a surface of a tire , the tool comprising:a rotary drive for rotating an abrading wheel;the abrading wheel rotatably attached to the rotary drive; anda depth guide including a pair of rotatable guide wheels rotatably attached to the depth guide, the pair of guide wheels being spaced apart along a common rotational axis such that the abrading wheel is arranged between the pair of guide wheels, where the abrading wheel is configured to extend a distance beyond the diameter of the guide wheels corresponding to a desired grinding depth, and where the abrading wheel has a rotational axis arranged substantially perpendicular to the common rotational axis of the guide wheels.2. The abrading tool of claim 1 , where a circumference of the abrading wheel extends into a hollow of each guide wheel and where the circumference of the abrading wheel is configured to contact the surface of the tire when abrading the surface of the tire.3. The abrading tool of claim 2 , wherein the guide wheels are frustocones.4. The abrading tool of claim 1 , wherein the circumference of ...

HEAD STRUCTURE OF A PNEUMATIC TOOL

A head structure of a pneumatic tool has an accommodation room in a pneumatic tool body. A driving gear and a transmission unit are pivoted in the accommodation room. The transmission unit includes a gear member having a transmission gear to mesh with the driving gear. The rear end of the gear member is provided with a gear rod. A bearing fitted on the gear rod is limited to a first limit portion at the distal end of the transmission gear. The gear rod is connected with a connection member having a second connection portion to engage with the first connection portion. The connection member has a second limit portion adapted to limit another side of the bearing. The limit member is secured to the distal end of the accommodation room and adapted to limit the bearing in the accommodation room. 1. A head structure of a pneumatic tool , comprising:a pneumatic tool body having an accommodation room at a front end thereof, said pneumatic tool body comprising a driving gear which being pivotally connected in said accommodation room;a transmission unit being pivotally connected in said accommodation room, said transmission unit comprising a gear member, a connection member and a bearing, said gear member comprising a transmission gear at one end thereof relative to said driving gear, said transmission gear having a first limit portion at a rear end thereof, a gear rod with a rear end thereof formed against said first limit portion of said transmission gear, said gear rod having a first connection portion at a distal end thereof, said bearing being fitted on said gear rod, one side of said bearing being limited by said first limit portion, said connection member having a second connection portion which being connected with said first connection portion, said connection member having a second limit portion which being adapted to limit another side of said bearing; anda limit member having a central through hole, said limit member being secured to a distal end of said ...

Collet chuck coupling structure of pneumatic die grinder

본고안은 공기식 다이 그라인더에 관한 것으로, This article relates to a pneumatic die grinder, 특히, 로터에 결합되는 콜릿척을 캡에 장착된 보조베어링에 의해 별도로 지지를 시킴으로서 콜릿척이 회전도중 떨리는 것을 방지하고 로터와 콜릿척이 분리된 상태에서 회전력을 전달하게 함으로서 외부의 충격에 의해 작동불안정및 로터의 파손등을 방지할수 있도록 안출된 것으로, In particular, the collet chuck coupled to the rotor is separately supported by an auxiliary bearing mounted on the cap to prevent the collet chuck from rotating during rotation and to transmit the rotational force while the rotor and collet chuck are separated to operate by external impact. It is designed to prevent instability and damage to the rotor. 압축공기의 압력에 의해 회전되는 로터(107)에 결합되어 연마공구(118) 회전시키는 콜릿척(110)의 떨림을 방지 하기 위하여 콜릿척(110)의 외주면으로 결합되는 보조베어링(116)과, An auxiliary bearing 116 coupled to the outer circumferential surface of the collet chuck 110 to prevent shaking of the collet chuck 110 which is coupled to the rotor 107 rotated by the pressure of the compressed air and rotates the grinding tool 118, 상기 보조베어링(116)을 결합하고 있는 콜릿척(110)을 그라인더몸체(101)에 결합 또는 분리시킬수 있도록 하기 위하여 보조베어링(116)의 외주면으로 결합되어 있고 그라인더몸체(101)에 나사 결합되는 캡(112)을 구비한 것을 특징으로 하는 공기식 다이 그라인더의 콜릿척 결합구조를 제공한다. Cap coupled to the outer circumferential surface of the auxiliary bearing 116 and screwed to the grinder body 101 in order to be able to couple or separate the collet chuck 110 coupling the auxiliary bearing 116 to the grinder body 101. A collet chuck coupling structure of a pneumatic die grinder is provided.

Pneumatic tool

本发明提供具备以不增大壳体的外形尺寸的方式形成的膨胀室的气动工具。该气动工具的壳体具有：筒状的马达壳体部(30A)，其具有马达收纳部(30a)、与马达收纳部(30a)的端部连接且收纳环状轴承部(22)以及从环状轴承部延伸出的马达输出轴的输出轴收纳部(30b)；工具轴壳体部(30B)；以及将马达壳体部(30A)与工具轴壳体部(30B)连结的弯曲的拐角壳体部(30C)。输出轴收纳部(30b)具有膨胀室(36)，该膨胀室(36)与在环状轴承部(22)的径向外侧延伸的排气连通孔(34)连通，并且该膨胀室(36)在周向且在纵长轴线方向上延伸。膨胀室(36)具有能够供通过排气连通孔(34)而进入该膨胀室(36)的排气膨胀的容积。

The sliding type co-axis rotating apparatus on the air tools

본 발명은 에어공구의 회전장치를 편심형에서 슬립형 동심회전장치로 개선한 것으로 로터와 실린더를 동심으로 형성하고 실린더 내부에 원호의 홈을 파서 이 홈에 삽입된 회전자가 로터 및 실린더와 접속하여 회전이 가능하도록 구성하여 종래의 기술에 비하여 토오크를 증대시킬 수 있고 다수개의 회전자를 사용할 경우에는 몇 배 이상의 토오크를 얻을 수 있고 또한 실린더나 베인의 마모에 따른 부품의 교체시기가 획기적으로 길어지는 뛰어난 효과가 있다. The present invention is to improve the rotating device of the air tool from the eccentric type to the slip type concentric rotating device to form the rotor and the cylinder concentrically and digging the groove of the circular arc inside the cylinder, the rotor inserted into the groove connected to the rotor and the cylinder rotates It is possible to increase the torque compared to the conventional technology by using this configuration. When using a large number of rotors, several times more torque can be obtained, and the replacement time of the parts due to the wear of the cylinder or the vane is remarkably long. It works.

Portable tool with pivoting handle

FIELD: machine building. SUBSTANCE: invention relates to machine building and can be used in handheld processing machines. Machine comprises a first handle for gripping by first hand of user, a second handle for gripping by second hand of user, at least one coupling for connection to flexible hose and actuating lever. Second handle closes at least part of coupling is connected with actuating lever and mounted with possibility of rotation, wherein if second handle is in turned position it blocks actuating lever in off position. EFFECT: enabling processing of surfaces when machine is gripped with one or both hands, which increases its manoeuvrability. 14 cl, 5 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 601 979 C2 (51) МПК B24B 23/02 (2006.01) B25F 5/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012121574/02, 24.05.2012 (24) Дата начала отсчета срока действия патента: 24.05.2012 (72) Автор(ы): НОРДСТРОМ, Кай (FI) (73) Патентообладатель(и): ОЙ КВХ МИРКА АБ (FI) Приоритет(ы): (30) Конвенционный приоритет: R U 25.05.2011 EP 11167443.8 (43) Дата публикации заявки: 27.11.2013 Бюл. № 33 (45) Опубликовано: 10.11.2016 Бюл. № 31 2 6 0 1 9 7 9 (56) Список документов, цитированных в отчете о поиске: US 2003/083005 A1, 01.05.2003. US 2008/ 045127 A1, 21.02.2008. DE 20 2010 012818 U1, 25.11.2010. EP 1136181 A2, 26.09.2001. SU 134580 A1, 10.10.1960. 2 6 0 1 9 7 9 R U (54) РУЧНАЯ ОБРАБАТЫВАЮЩАЯ МАШИНКА (57) Реферат: Изобретение относится к машиностроению и может быть использовано в ручных обрабатывающих машинках. Машинка содержит первую рукоятку для захвата первой рукой пользователя, вторую рукоятку для захвата второй рукой пользователя, по меньшей мере одну соединительную муфту для подсоединения к гибкому шлангу и пусковой рычаг. Вторая рукоятка закрывает по меньшей мере часть Стр.: 1 соединительной муфты, соединена с пусковым рычагом и смонтирована с возможностью поворота, причем при нахождении второй ...

Polishing machine

PNEUMATIC MOTOR FOR ROTARY DRIVE OF THE TOOL

1. Пневматический двигатель для инструмента с поворотно-вращательным приводом, например для шлифовальной машины, в котором сжатый воздух приводит в движение в направлении вращения шпиндель, имеющий на конце зажимное устройство для инструмента, и который имеет регулирующий элемент, изменяющий свою форму и/или положение под влиянием центробежной силы и в зависимости от числа оборотов в большей или меньшей степени открывающий или закрывающий отверстия, отличающийся тем, что отверстия (18) расположены по окружности на пластине (11), а регулирующий элемент (15) образован расположенным перед отверстиями в направлении потока эластичным кольцом, которое благодаря центробежной силе деформируется таким образом, что при увеличении числа оборотов в большей степени закрывает отверстия (18). !2. Пневматический двигатель по п.1, отличающийся тем, что кольцо (15) расположено в камере (25), в которую сжатый воздух поступает через дополнительные отверстия (17) в дополнительной пластине (11) и из которой он выходит через вышеупомянутые отверстия (18), причем эти дополнительные отверстия (17) расположены вдоль окружности, радиус которой меньше, чем радиус той окружности, вдоль которой расположены отверстия (18), а кольцо (15) в недеформированном состоянии оставляет свободным проход между дополнительными отверстиями (17) и отверстиями (18). ! 3. Пневматический двигатель по п.2, отличающийся тем, что пластина (11) и дополнительная пластина (12) располагаются, по существу, перпендикулярно к оси вращения шпинделя (6) и образуют между собой камеру (25). ! 4. Пневматический двигатель по п.2 или 3, отличающийся тем, что дополнительные отверстия (17), через которые сжа� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2008 139 150 (13) A (51) МПК F01D 15/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21), (22) Заявка: 2008139150/06, 17.01.2007 (71) Заявитель(и): ШМИД ВЕЦЕЛЬ ГМБХ ЭНД КО. (DE) (30) Конвенционный приоритет: 05.04.2006 DE ...

Air grinder with silencer

The present invention relates to an air grinder with a silencer, which comprises: a case (100); an air inlet bushing (110) installed on a rear portion of the inside of the case (100); a throttle valve (120) installed on a front portion of the air inlet bushing (110); a cylinder (130) installed on a front portion of the throttle valve (120); a rotating blade (140) installed inside the cylinder (130); and an air motor (150) in combination with the rotating blade (140). An outlet is formed in the case, and a silencer for blocking noise and filtering foreign substances is installed in the outlet. The present invention has remarkable effects of reducing noise during operation of the air grinder and filtering air and foreign substances discharged through the air outlet, by installing the silencer in the air outlet of the air grinder.

Lightweight type grinder

본 고안은 경량형 그라인더에 관한 것으로서, 보다 상세하게는 휠 샤프트와 본체의 선단에 구비되는 베어링을 소형 사이즈로 변경하고, 베어링과 본체의 선단 사이에 베어링 케이스를 밀착시킴으로써 경량화 할 수 있는 경량형 그라인더에 관한 것이다. 본 고안에 의한 그라인더는 본체; 상기 본체의 내부에 설치되고, 외측에 블레이드가 구비되는 로터; 상기 로터가 회전되도록 상기 본체 내부에 에어가 유입되는 에어인넷부싱; 상기 로터의 회전축에 결합되는 베벨기어 피니언; 상기 베벨기어 피니언과 치합하여 회전하는 베벨기어; 상기 베벨기어에 결합되는 휠샤프트; 상기 휠샤프트와 본체의 선단 내벽 사이에 구비되는 베어링 케이스; 및 상기 베어링 케이스의 내벽과 휠샤프트의 외주면에 각각 밀착되는 베어링;을 포함한다.

Portable polishing apparatus

휴대용 연마장치가 개시된다. 본 고안의 실시예에 따른 휴대용 연마장치는, 파이프 또는 플레이트와 같은 연마 대상체의 표면을 연마하기 위한 연마장치로서, 하우징에 구동수단의 구동에 의해 회전 가능하도록 장착되는 원통 형상의 연마석; 일단이 상기 하우징의 일측에 고정되는 이동 레일; 상기 이동 레일이 이동 가능하도록 상기 이동 레일과 결합되는 가이드 블록; 및 상기 가이드 블록에 연결되는 손잡이를 포함하는 것을 특징으로 한다. 본 고안의 실시예에 의하면, 원통 형상의 연마석을 구비하여 종래보다 연마석과 연마 대상체 사이의 상호 접촉면적을 증대시킴으로써 신속하고 효율적인 연마작업을 수행할 수 있다. 또한, 탄성 스프링 및 마그네트 휠을 포함하는 접촉 유지부를 구비함으로써, 연마석이 연마 대상체에 밀착된 상태를 유지하도록 하여 작업자가 연마장치를 들고 사용할 때 소요되는 힘을 절감하여 작업자의 피로도를 절감시킬 수 있게 되며, 또한 단순히 작업자가 파이프의 외면을 따라 연마장치를 회전시키기만 하면 되므로 적은 힘으로도 손쉽게 작업 가능하여 작업 효율성을 증대시키게 된다. A portable polishing apparatus is disclosed. A portable polishing apparatus according to an embodiment of the present invention, a polishing apparatus for polishing the surface of the polishing object such as a pipe or plate, the cylindrical abrasive stone is rotatably mounted by the drive of the drive means in the housing; A moving rail having one end fixed to one side of the housing; A guide block coupled to the moving rail to move the moving rail; And a handle connected to the guide block. According to the embodiment of the present invention, by providing a cylindrical abrasive stone to increase the mutual contact area between the abrasive stone and the polishing object than conventional, it is possible to perform a quick and efficient polishing operation. In addition, by providing a contact holding portion including an elastic spring and a magnet wheel, to maintain the state that the abrasive stone is in close contact with the polishing object to reduce the force required by the operator to use the polishing device to reduce the fatigue of the operator In addition, since the operator simply rotates the polishing apparatus along the outer surface of the pipe, the worker can easily work with little force, thereby increasing work efficiency.

Air motor

본 발명에 의하면, 조립은 물론이고, 엔진팩(전, 후의 리테이너, 고정자, 베인을 보유하는 회전자 등을 보유하는) 등의 교환이 비전문가라도 실시되는 에어모우터를 제공함과 아울러 급기용 커플링(3)을 하우징(4) 내주면으로 돌설된 안내볼록조(34)와 계합하여 뒤리테이너(11b)에 그 선단부(13)를 당접시켜, 그 선단부(13)를 하우징(4)과 나사맞춤하는 너트부재(10)로 체결한다. 선단부(13)의 후면에는 복수개의 경질합성수지제의 제1돌자(33)를, 또 그 제1돌자(33)와 대응하는 너트부재(10) 앞면에는 복수개의 제2돌자(10c)를 형성하고 있으므로, 체결에 의한 제1돌자(33)의 탄성복원력으로 강고한 계합관계를 만들어내고, 느슨함도 제1돌자(33), 제2돌자(10c)의 계지효과에서 없어진다. 지그에서 너트부재(10)를 회전시켜서 체결을 해제하면 엔진팩(1)을 직선적으로 뽑아낼 수 없다. According to the present invention, as well as assembling, there is provided an air motor in which an engine pack (having a retainer, a stator, a rotor holding a vane, etc., etc.) can be replaced even by a non-expert, and an air supply coupling (3) engages with the guide protrusion (34) protruding into the inner peripheral surface of the housing (4), abuts the tip portion (13) on the rear retainer (11b), and screwes the tip portion (13) with the housing (4). Tighten with the nut member (10). A plurality of first protrusions 33 made of hard synthetic resin are formed on the rear surface of the front end portion 13, and a plurality of second protrusions 10c are formed on the front surface of the nut member 10 corresponding to the first protrusions 33. Therefore, a strong engagement relationship is created by the elastic restoring force of the first protrusion 33 by the fastening, and looseness is eliminated from the locking effect of the first protrusion 33 and the second protrusion 10c. When the nut member 10 is released by rotating the nut member 10 in the jig, the engine pack 1 cannot be pulled out linearly.

Pneumatic motor for rotary drive tools

Pneumatic hand tool rotational speed control method and portable apparatus

The rotational speed of a pneumatic hand tool is adjusted in real time to maintain a selected speed level irrespective of exterior parameters affecting the performance of the tool. The apparatus is comprised of a rotational speed sensor installed directly on the tool, a digital microprocessor using control algorithms, and a valve to adjust the flow of air to the tool.

Controlled electro-pneumatic power tools and interactive consumable

A controlled electro-pneumatic power tool includes an electro-mechanical adjustable valve, a pneumatic motor and a rotational speed sensor connected to a microcontroller for the selection, monitoring and adjustment adjustment of the rotational speed in real time. Using the communication port data for the consumable can be transmitted to the controlled electro-pneumatic power tool. The controlled electro-pneumatic power tool can read and utilize the transmitted data to select, adjust and maintain the optimum process parameters for the consumable without any input from the operator person. Furthermore, the communicated data can be used to warn the operator person that the tool used is inadequate for the selected consumable.

Turbine servicing device

A turbine servicing device includes a base member mountable proximate an inlet of a section of a turbine system. Also included is a retaining component operatively coupled to the base member. Further included is a rod having a first end and a second end, the rod in a slidable and pivotable relationship with the retaining component. Yet further included is a machining device operatively coupled to the rod proximate the second end and configured to polish a portion of a turbine component.

Grinder pressing device

본 발명은 그라인더 가압장치로서, 연직자세의 에어실린더(1)의 실린더 본체(10)의 저부 또는 피스톤 로드(11)의 한쪽을 고정판(2)에, 다른쪽을 고정판(2) 아래쪽에 배치한 이동판(3)에 각각 부착되고, 가이드 테이블(G2) 또는 가이드(G1)의 한쪽을 이동판(3)측에, 다른쪽을 실린더 본체(20)의 외주면에 부착함과 동시에, 가이드 테이블(G2)은 가이드(G1)에 대하여 볼을 통한 구름마찰상태에서 연직방향으로 안내되도록 하고 있으며, 에어실린더(1)에서는 피스톤(12) 및 피스톤 로드(11)의 외주벽과 실린더 본체(10)의 구성벽 사이의 마찰계수를 메탈시일에 의해 낮게 설정하고 피스톤 로드(11)를 볼 부시에 의해 광범위하게 진퇴 자유롭게 지지하고 있고, 그라인더(G)는 이동판(3)에 부착되고 피스톤(12)에 의해 구획되는 상하 실린더실(13,14)의 공기압을 조정함으로써 그라인더(G)의 피연삭물에 대한 가압력이 조정되는 것을 특징으로 한다. The present invention is a grinder pressurizing device, in which one of the bottom of the cylinder body 10 or the piston rod 11 of the vertical cylinder of the air cylinder 1 is disposed on the fixed plate 2 and the other is disposed below the fixed plate 2. It is attached to the moving plate 3, respectively, attaches one of the guide table G2 or the guide G1 to the moving plate 3 side, and the other to the outer peripheral surface of the cylinder body 20, G2) is guided in the vertical direction in the state of rolling friction through the ball with respect to the guide (G1), the outer cylinder of the piston 12 and the piston rod 11 and the cylinder body 10 of the air cylinder (1) The friction coefficient between the component walls is set low by the metal seal and the piston rod 11 is supported by the ball bush in a wide range of freely moving forward and backward, and the grinder G is attached to the moving plate 3 and attached to the piston 12. By adjusting the air pressure of the upper and lower cylinder chambers 13 and 14 partitioned by Characterized in that the more the press force for the blood in the ground water (G) adjustment.

Weld bead cutting device and method for extracting radial pin from steam turbine

径向销（2）的一端部（2A）插入到在涡轮机室（1）形成的贯通孔（3）内，其另一端部（2B）从涡轮机室（1）的外表面突出，在另一端部（2B）的外周形成焊道（4）。焊道切削装置（10）具备：切削在径向销（2）的外周上形成的焊道（4）的切削部（12）；及将该切削部（12）沿着径向销（2）的外周移动自如地支承在径向销（2）的另一端部（2B）的端面（2C）上的支承部（20）。

Weld bead cutting device and method for extracting radial pin from steam turbine

径向销（2）的一端部（2A）插入到在涡轮机室（1）形成的贯通孔（3）内，其另一端部（2B）从涡轮机室（1）的外表面突出，在另一端部（2B）的外周形成焊道（4）。焊道切削装置（10）具备：切削在径向销（2）的外周上形成的焊道（4）的切削部（12）；及将该切削部（12）沿着径向销（2）的外周移动自如地支承在径向销（2）的另一端部（2B）的端面（2C）上的支承部（20）。

Grinding Pad and Air Grinder Having It

연마 패드 및 이를 포함하는 에어 그라인더가 개시된다. 본 발명의 일 실시예에 따른 연마 패드는 에어 그라인더의 구동축에 결합되어 회전하며, 둘레부가 가장자리로 갈수록 연마면에 대하여 상부로 경사지도록 형성되는 연마 디스크 및 상기 연마 디스크의 하부 중 상기 둘레부를 포함하는 적어도 일부에 배치되어 상기 연마 디스크와 함께 회전하며 상기 연마면과 맞닿아 회전에 따라 연마면을 연마하는 연마재를 포함할 수 있다. A polishing pad and an air grinder including the polishing pad are disclosed. The polishing pad according to an embodiment of the present invention includes a polishing disk that is coupled to a driving shaft of an air grinder and rotates and is formed such that a peripheral portion of the polishing disk is inclined upward with respect to a polishing surface, And an abrasive disposed at least in part and rotated together with the polishing disk and abrading the polishing surface in contact with the polishing surface.

ROTATION SPEED ADJUSTING DEVICE FOR A PNEUMATIC ROTARY TOOL

Dans ce dispositif de réglage de vitesse de rotation pour outil rotatif pneumatique, un arbre de réglage de vitesse (30) est fixé solidement à une extrémité d'un rotor (26), et un élément de réglage de vitesse (32) pouvant se déplacer par rapport à l'arbre de réglage de vitesse (30) est monté extérieurement à l'arbre de réglage de vitesse (30). L'arbre de réglage de vitesse (30) est pourvu d'une bille (44) mobile dans une direction radiale, et l'élément de réglage de vitesse (32) se déplace axialement par rapport à l'arbre de réglage de vitesse (30) par une force centrifuge appliquée à la bille (44). Dans le cas où la fréquence de rotation du rotor (26) atteint la fréquence de rotation admissible, la section d'un passage d'entrée d'air (12) est réduite afin de réduire la quantité d'air envoyé passant entre l'élément de réglage de vitesse (32) et un venturi (48). In this air rotary tool rotational speed adjuster, a speed adjuster shaft (30) is securely attached to one end of a rotor (26), and a movable speed adjuster (32). relative to the speed adjusting shaft (30) is mounted externally to the speed adjusting shaft (30). The speed adjusting shaft (30) is provided with a ball (44) movable in a radial direction, and the speed adjusting member (32) moves axially with respect to the speed adjusting shaft ( 30) by a centrifugal force applied to the ball (44). In the event that the rotational frequency of the rotor (26) reaches the permissible rotational frequency, the section of an air inlet passage (12) is reduced in order to reduce the amount of air sent passing between the speed control element (32) and a venturi (48).

TRANSPORTABLE EQUIPMENT FOR GRINDING, SANDING, SURFACING, INCORPORATING DEPRESSION OPERATING DEVICE

Belt-type grinding tool

Provided is a belt-type grinding tool in which foreign matter is prevented from entering the interior of a tool body. A pulley support bar (12) is held by a bar containment hole (29) in the tool body (10) so as to be capable of sliding between a tension imparting position at which tension is applied to an endless grinding belt (20) and a tension release position at which the pulley support lever (12) is retracted from the tension imparting position and the tension on the endless grinding belt is released. A latching member containment hole (33), which has a circular cross-section and which is substantially orthogonal to the bar containment hole (29), is formed in the tool body (10), and a substantially cylindrical latching member (34) is slidably positioned in the latching member containment hole (33). The latching member (34) is capable of being displaced between a latching position at which the pulley support bar (12) is latched so as to be held in the tension release position, and an unlatching position at which the pulley support bar (12) is unlatched and can be displaced between the tension imparting position and the tension release position. An annular seal member (38) is positioned between the outer peripheral surface (34a) of the latching member (34) and the inner peripheral surface (33c) of the latching member containment hole (33).

Patent FR2581911B1

Pressurized Fluid Engines

Air tool provided with safety device

The invention provides an air tool provided with a safety device structured such as to automatically reduce a number of rotation and lock with keeping the state by a lock mechanism so as to inhibit a normal use in the case that a rotation generated by an air motor of the air tool such as the air grinder or the like becomes over a predetermined number of rotation. The air tool provided with the safety device has a main body casing (22), an air passage (23) formed within the main body casing (22), an air motor (26) rotated by an air supplied from the air passage (23), a valve seat (24) interposed in the air passage (23), a safety valve body (4) arranged in such a manner as to change an opening degree of the passage by moving in a direction of moving close to and apart from the valve seat (24), first urging means (6) for urging the safety valve body (4) in a direction of moving close to the valve seat (24), a rotary member (2) rotating in interlocking with an output shaft (25) of the air motor (26), a safety valve stopper (16) mounted to the rotary member (2) so as to be displaced outward in a diametrical direction due to a centrifugal force generated by a rotation of the rotary member (2) and second urging means (20) for urging the safety valve stopper (16) in a direction inverse to a direction in which the centrifugal force is applied.

Belt grinding tool

工具本体内部への異物の侵入を防止するようにしたベルト式研削工具を提供する。プーリ支持バー（１２）は、工具本体（１０）のバー収容孔（２９）によって、無端研削ベルト（２０）に張力を加える張力付与位置と、張力付与位置から後退して無端研削ベルトの張力を解放する張力解放位置との間で摺動可能に保持されている。工具本体（１０）にはバー収容孔（２９）に対して略直交する断面円形の係止部材収容孔（３３）が形成され、略円柱状の係止部材（３４）がその中に摺動可能に配置されている。係止部材（３４）は、プーリ支持バー（１２）を張力解放位置に保持するように係止する係止位置と、係止が解除されプーリ支持バー（１２）が張力付与位置と張力解放位置との間で変位可能となる係止解除位置との間で変位可能となっている。係止部材（３４）の外周面（３４ａ）と係止部材収容孔（３３）の内周面（３３ｃ）との間には円環状のシール部材（３８）が配置されている。 Provided is a belt-type grinding tool that prevents foreign matter from entering a tool body. The pulley support bar (12) has a tension applying position for applying tension to the endless grinding belt (20) and a tension applied to the endless grinding belt by retreating from the tension applying position by the bar receiving hole (29) of the tool body (10). It is slidably held between the released tension release position. The tool body (10) is formed with a locking member receiving hole (33) having a circular cross section substantially orthogonal to the bar receiving hole (29), and the substantially cylindrical locking member (34) slides therein. Arranged to be possible. The locking member (34) includes a locking position for locking the pulley support bar (12) so as to hold the pulley support bar (12) in a tension release position, and a lock release position where the pulley support bar (12) is tensioned and tension released. It is possible to displace between the locking release position where the displacement is possible. An annular seal member (38) is disposed between the outer peripheral surface (34a) of the locking member (34) and the inner peripheral surface (33c) of the locking member accommodation hole (33).

Brake device of pneumatic rotational tool

내용 없음. No content.

TRANSPORTABLE EQUIPMENT FOR GRINDING, SANDING, SURFACING, INCORPORATING A DEVICE OPERATING THROUGH DEPRESSION

L'équipement transportable destiné à meuler, poncer, surfacer et opérations similaires, meuleuse et similaires, est remarquable en ce qu'il comprend une partie active(A) réceptrice de l'outil (5) agencée avec un corps (1) creux intérieurement recevant un dispositif de transmission (2) de puissance, ledit dispositif recevant à une extrémité la partie outil (5) destinée à poncer, meuler, surfacer, et étant accouplé à son autre extrémité à une turbine (6), ladite turbine étant aménagée pour autoriser une ventilation et passage d'air en provenance de l'extérieur et étant connectée par un flexible (F) à une source aspirante(B) en créant une dépression, la turbine devenant aspirante. The transportable equipment for grinding, sanding, grinding and similar operations, grinder and the like, is remarkable in that it comprises an active part (A) receiving the tool (5) arranged with a body (1) hollow internally receiving a power transmission device (2), said device receiving at one end the tool part (5) intended to sand, grind, surface, and being coupled at its other end to a turbine (6), said turbine being arranged to allow ventilation and passage of air from the outside and being connected by a hose (F) to a suction source (B) creating a depression, the turbine becoming suction.

Method for preparing anode active material

Disclosed is a method including (a) mixing a precursor of a material for preparing at least one material selected from the group consisting of low crystalline carbon and amorphous carbon with a metal and/or a non-metal capable of intercalating and deintercalating ions, followed by purification to prepare a mixture for coating, (b) mixing the mixture for coating with a crystalline carbon-based material to prepare a core-shell precursor in which the mixture for coating is coated on a core including the crystalline carbon-based material, and (c) calcining the core-shell precursor to carbonize the material for preparing the at least one material selected from the group consisting of low crystalline carbon and amorphous carbon into the at least one material selected from the group consisting of low crystalline carbon and amorphous carbon.

Hand grinder and valve therefore

To be able to control the admission of compressed air or liquid to a machine in a hand tool, the working medium can be admitted to the machine through a handle with a built-in valve. By turning the handle (1) the valve opens or closes. The valve body itself (7,9) is secured to a stay in the form of a bolt (10) and a pipe (8) screwed into the bottom of the handle casing (1), whereas the valve seat (14) is formed as a recess in a bushing (2) being stationary relative to the casing. The handle has an oblique track (4) wherein a bolt (3) secured in the bushing moves the casing (1) and thereby the valve body relative to the bushing (2) when the handle is turned. When the handle is released in the open position of the valve (FIG. 3), the pressure exerted by the medium will move the casing so as to close the valve since the area of the casing is larger than that of the bush (2). The machine can thereby be safely and reliably disconnected by releasing the hold on the handle. The valve can be used for a hand grinder with a U-shaped handle pipe with handle ends and a hollow spindle situated between the handle ends, an air machine being arranged in the spindle. The spindle has a number of slotted grinding discs, and a pressure medium is admitted to the machine through passages in the handle pipe. A simple and reliable hand grinder which can efficiently grind deep profiles is thereby obtained.

Random orbital sander

There is disclosed in connection with a random orbital sander the utilization of improved arrangements for resiliently supporting an air motor, controlling the flow of pressurized air to the motor, and utilizing air exhausted from the motor to withdraw dust from a shroud arranged to collect dust generated incident to operation of the sander. Also disclosed is an alternative dust collecting arrangement, wherein the shroud is connected by a sander mounted duct to a source of vacuum.

Polishing machine

Water driven rotary tool

The present invention provides an assembly of machined or precision cast components which combine to form a high pressure water powered rotary tool. The rotary tool includes a rigid metal housing, a high pressure water inlet, an impeller rotatably mounted within the housing, an output drive shaft, a backing disk and at least one handgrip or alternatively an extendable handle capable of articulation throughout an extended range. The rotary tool is attachable to a pump driven by an electric motor or internal combustion engine.

Patent JPS4885940A

Hand grinder and valve therefor

A B S T R A C T HAND GRINDER AND VALVE THEREFOR A valve comprises a displaceable valve body which can abut on a valve seat and limit the flow of a medium. The valve has a valve casing which is closed at one end and which has an inlet for the medium at said end. A stem which carries a valve body extends from the other end of the casing. The valve body co-operates with a valve seat designed as a shoulder in a bush through which the stem can be axially displaced.

Hand grinder and valve therefor

The air or liquid is supplied to a grinder through a handle with a built-in valve. By turning the handle (1) the valve opens or closes. The valve body itself (7,9) is secured to a stay in the form of a bolt (10) and a pipe (8) screwed into the bottom of the handle casing (1), whereas the valve seat (14) is formed as a recess in a bush (2) being stationary relative to the casing. The handle has an oblique track (4) wherein a bolt (3) secured in the bush moves the casing (1) and thereby the valve body relative to the bush (2) when the handle is turned. When the handle is released in the open position of the valve (Figure 3) (not shown), the pressure exerted by the medium will move the casing so as to close the valve since the area of the casing is larger than that of the bush (2). The machine can thereby be safely and reliably disconnected by releasing the hold on the handle. The valve can be used for a hand grinder with a U-shaped handle pipe with handle ends and a hollow spindle situated between the handle ends, an air machine being arranged in the spindle. The spindle has a number of slotted grinding discs, and a pressure medium is admitted to the machine through passages in the handle pipe. <IMAGE>

Polishing or grinding device with a pneumatic drive

The device (1) has compressed air guiding devices (15, 16, 18) arranged between a compression air drive (4) and a polishing pad (2) and/or a sharpening unit. The guiding devices guide drive compression air (8) of the compression air drive from an outlet side of the guiding devices to the polishing pad and/or to the sharpening unit. The drive compression air of the compression air drive is conveyed from a middle area of a lower surface (3) of the polishing pad and/or the sharpening unit to a circumferential edge (19) of the polishing pad and/or the sharpening unit by air ducts (20).

VALVE, PRINCIPLES FOR POSITIONING IN THE PIPE AIR CIRCULATION SUPPLY TO A CRAFT

Improvements in tools having a pressure fluid driven rotary motor

785,109. Dental handpieces. ATLAS COPCO AKTIEBOLAG. Feb. 22, 1956 [March 3, 1955], No. 5510/56. Class 81 (2). [Also in Groups XXII, XXIII and XXVI] In a dental drill an air turbine drives the output shaft through an epicyclic reduction gear formed by the rotor ball-bearings. Compressed air received through a union 5, and controlled by a ball valve 10, passes through ducts 8 to the turbine rotor 6 and thence to atmosphere through vents 13. The rotor is attached to the inner bearing races 14 and is loosely mounted on a shaft 20, which is rigidly connected to the bearing cages 18, while the outer races 16 are fixed in the casing parts 1, 2. The shaft 20 runs in ball-bearings 21, 22, carries a conical brake member 36 and drives the output shaft 31 through a connecting member 34. When a spring 39 is pressed downwards against the tubular casing 30, it presses a braking cone 23 towards the right, to free the motor shaft, and also bears on a rod 26 to lift the ball 10 off its seating and admit compressed air to the turbine. A double-ended chuck 43 is held in a hollow bore in the spindle 31 and is tightened on to the shank of a tool by screwing a nut 45 inwards. When a tool is to be changed the nut is held, by pressing the sleeve 30 backwards against a spring 38 until radial tongues on the nut engage in slots 42 in the sleeve, and the motor spindle 20 is rotated in the appropriate direction by a knob 46.

Power tool

This invention relates to a power tool (1) including a body portion (2) containing a chamber and propelling means (21) operative to induce air to flow into said chamber and to move the inducted air through said chamber, a head portion (3) being connected to the body portion which carries an operative element (4) for treating a face of a workpiece, the head portion also carrying an exhaust means arranged to receive air flowing from said chamber and to direct that air into a working zone, said working zone including said operative element and said face of the workpiece, wherein said connection of said body portion to said head portion enables the position of the head portion to be adjusted relative to said body portion.

HANDLE FOR PNEUMATIC MACHINES FOR SURFACE MACHINING

Double-speed rotary tool

一种轻量手持工具的高力矩双速涡轮转子，用以研磨及抛光，亦可使用于装有转轴的气动机器。高力矩双速涡轮转子包括两件式传动轴及传动轴内设有的控流螺杆。传动轴包括第一套中空开口，位于传动轴一端的第一位置，与转子的第一环形腔室流体互通，及第二套中空开口，位于传动轴一端的第二位置，与转子的第二环形腔室流体互通。控流螺杆在螺纹轴孔中移动，由轴孔里的开放位置移动到对应第二中空开口的关闭位置。

Hydraulically-driven angle-drive grinder with central water intake

Angle-drive grinder. Angle-drive grinder characterised in that the shaft 5 bearing the grinding tool is hollow and in that the motor 18 driving it in rotation is of the hydraulic type. This invention is of interest to the manufacturers of professional portable tooling.

Air motor

Small diameter cylindrical air motor for driving grinders and the like

The air motor has substantially the size of a standard fountain pen and includes an extruded outer cylindrical casing formed with a circular cross-section eccentric inner surface which has annular grooves in its forward part and a smooth surface, substantially coincident with the bases of the grooves, in its rear part. The grooves constitute air supply and exhaust passages, a retainer groove and a pin groove. A front retainer closes the forward end of the casing and has a tongue projecting into the retainer groove to maintain a predetermined angular orientation in the casing, and a rear retainer is seated against the ribs defining the grooves in the forward portion of the casing and has a tongue projecting into the retainer groove to maintain a relative angular orientation with respect to the front retainer. A motor cylinder is mounted in the casing between the two retainers and has air supply and exhaust ports communicating with the air supply and exhaust passages, respectively. A vane type rotor is rotatably supported in the two retainers, through bearings, and is eccentric to the motor cylinder. The forward end of the rotor is formed with a shaft by means of which a grinder or another tool can be secured to the rotor. The portion of the casing rearwardly of the rear retainer constitutes an air supply and control chamber in which there is an air filter means, and the air passing through the filter means flows through supply passages in the rear retainer into the air supply passage. A connection is provided at the rear of the casing for connecting the air motor to a source of air under pressure, and a manually operable grip threaded on this connection controls the supply of air under pressure to the supply and control chamber. In a modification of the air motor, the exhaust air flows rearwardly along the exterior surface of the motor cylinder and through sound absorbing means to exhaust ports leading to the atmosphere or to an exhaust line.

Fluidic governor for air tools

AN OVERSPEED GOVERNOR FOR ROTATING AIR MOTORS INCLUDING SPEED SENSING MEANS FOR PROVIDING A SIGNAL CORRESPONDING TO THE SPEED OF THE MOTOR, VALVE MEANS LOCATED IN THE PATH OF THE AIR SUPPLY TO THE MOTOR, AND FLUIDIC MEANS RESPONSIVE TO THE SPEED SIGNAL FOR CONTROLLING THE OPERATION OF THE VALVE. THE SYSTEM IS PREFERABLY SEALED FROM THE INLET SUPPLY BUT EXERCISES CONTROL OVER A PORTION OF THE INLET SUPPLY PRESSURE WHICH IS USED TO ACTUATE THE VALVE. THE VALVE IS BIASED CLOSED AND MOTOR SPEED ABOVE A SELECTED LEVEL SWITCHES THE CONTROL PRESSURE AWAY FROM THE ACTUATION MEANS SO THAT THE VALVE CLOSES.

Pneumatic power tools

A power tool having a pneumatic motor 4, is provided with a dust collection device which includes a pneumatically driven pump 22, to suck dust away from a workpiece, and means for collecting the dust 28, 30, the pump being driven, in use, by exhaust air from the pneumatic motor. The pump 22 includes an injector nozzle 36 or a venturi device, and the tool may be a portable sander to which abrasive discs are attached. <IMAGE>

Muffler for a governed pneumatic tool

Abstract of the Disclosure A muffler for reducing the noise level of the air exhaust from a governed pneumatic tool. Exhaust ports in the tool hous-ing communicate with the interior cavity of a muffler body having selectively located port holes for discharging exhaust from the cavity to atmosphere. Contained in the muffler cavity is a foraminous baffle plate centrally supported in the path of dis-charge between the exhaust ports of the housing and the discharge ports of the muffler body. Extending about the baffle periphery are a plurality of bypass passages defining a flow path parallel to the baffle and sized to accommodate total air flow at maxi-mum capacity.

Air operated tool

An air operated tool characterized in that it is of lightweight strong construction and in that the air motor and surrounding tool housing define therebetween a large size annular exhaust chamber through which air exhausted from the motor passes at low velocity to lateral exhaust passages in the housing thus to provide a tool which operates at low noise level. The tool herein is further characterized in that it has a simplified starting slot arrangement wherein an angularly disposed passage through one stator end plate communicates an inlet chamber of the motor with the starting slot. The tool herein is still further characterized in that the tool housing has two generally radially extending hollow handles by which it is held and manipulated, one handle being secured to the tool housing in either of two angular positions and the other handle containing a manually operated throttle valve and being rotatably adjustable on said housing to position the valve control member to suit the operator''s convenience.

Polishing device

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

High torque dual chamber turbine rotor for hand held or spindle mounted pneumatic tool

하나의 공통의 하우징 벽에 의해 분리되며, 각 공기챔버가 상기 회전자 주변에 대하여 접선방향으로 향하는 주변공기방출노즐들을 갖는 2개의 분리된 고압공기챔버들을 포함하는 연마 및 광택을 위한 경량의 수공구용의, 높은 토크의 터빈 회전자가 기술된다. 상기 회전자 하우징은 경량이고, 그리고 대체로 도구 하우징의 전체 크기 및 중량에서의 증가 없이 토크를 증가시킨다. For lightweight hand tools for polishing and polishing, separated by one common housing wall, each air chamber comprising two separate high pressure air chambers with peripheral air release nozzles tangentially directed about the rotor periphery. A high torque turbine rotor is described. The rotor housing is lightweight and generally increases torque without increasing the overall size and weight of the tool housing. 토크, 하우징, 공통내벽, 노즐, 경량, 터빈, 회전자, 수공구 Torque, housing, common inner wall, nozzle, light weight, turbine, rotor, hand tool

English key

Belt-type grinding tool

本发明提供防止异物进入工具主体内部的带式磨削工具。带轮支承杆(12)被工具主体(10)的杆收容孔(29)保持为能够在对环形磨削带(20)施加张力的张力赋予位置与从张力赋予位置后退而将环形磨削带的张力释放的张力释放位置之间滑动。在工具主体(10)形成有与杆收容孔(29)大致正交的剖面圆形的卡止构件收容孔(33)，大致圆柱状的卡止构件(34)配置为能够在其中滑动。卡止构件(34)能够在将带轮支承杆(12)卡止以保持于张力释放位置的卡止位置、以及卡止被解除而带轮支承杆(12)能够在张力赋予位置与张力释放位置之间位移的卡止解除位置之间位移。在卡止构件(34)的外周面(34a)与卡止构件收容孔(33)的内周面(33c)之间配置有圆环状的密封构件(38)。

Overspeed safety device.

An overspeed safety device for a pneumatic rotation motor having a stator (10) with an air inlet passage (16), a rotor (12), and a speed governor for determining a maximum speed level, and comprising a speed responsive actuator (34) connected to the rotor (12) and a valve (33) shiftable by the actuator (34) from a normally open position to a closed position so as to block or substantially restrict the air flow through the inlet passage (16) at the attainment of motor speed levels exceeding a predetermined maximum level should the speed governor malfunction, wherein the actuator (34) comprises a spring biassed contact element (48) connected to the rotor (12) and responsive to centrifugal action, and the valve (33) comprises a disc-shaped valve element (36) pivotally supported in the inlet passage (16) and maintained in its open position by one magnet (42) and in its closed position by another magnet (43).

Grinder pressing device

A grinder pressing device, wherein either the bottom part of a cylinder main body (10) of an air cylinder (1) in a vertical posture or a piston rod (11) is fixed to a fixed plate (2) and the other one is fixed to a movable plate (3) disposed under the fixed plate (2), either a guide table (G2) or a guide (G1) is mounted on the movable table (3) and the other one is mounted on the outer peripheral surface of the cylinder main body (20) and the guide plate (G2) is guided on the guide (G1) in a vertical direction under the rolling frictional condition through balls and, in the air cylinder (1), a coefficient of friction between the outer peripheral walls of a piston (12) and the piston rod (11) and the structural wall of the cylinder main body (10) is set lower by a metal seal so as to support the piston rod (11) by a ball bush movably in forward and backward directions over an extensive distance, a grinder (G) being mounted on the movable plate (3) and air pressures in upper and lower cylinder chambers (13 and 14) divided by the piston (12) being controlled so as to adjust the pressing force of the grinder (G) to a work to be ground.

Air driven rotary motor

Pneumatic tool

本发明提供具备以不增大壳体的外形尺寸的方式形成的膨胀室的气动工具。该气动工具的壳体具有：筒状的马达壳体部(30A)，其具有马达收纳部(30a)、与马达收纳部(30a)的端部连接且收纳环状轴承部(22)以及从环状轴承部延伸出的马达输出轴的输出轴收纳部(30b)；工具轴壳体部(30B)；以及将马达壳体部(30A)与工具轴壳体部(30B)连结的弯曲的拐角壳体部(30C)。输出轴收纳部(30b)具有膨胀室(36)，该膨胀室(36)与在环状轴承部(22)的径向外侧延伸的排气连通孔(34)连通，并且该膨胀室(36)在周向且在纵长轴线方向上延伸。膨胀室(36)具有能够供通过排气连结孔(34)而进入该膨胀室(36)的排气膨胀的容积。

Improved slug retention groove forming machine and method of use and operation thereof

A portable and transportable die cavity modifying machine having a base carrying a carriage adjustable along one axis, e.g., a generally horizontal axis, and a machining head adjustable along another axis, e.g., a generally vertical axis, for modifying a die cavity of a stamping die in a manner that prevents blank or slug pulling during stamping press operation. The machine includes a stop that is adjustably connected to the carriage. The stop is configured to limit movement of the machining head along the generally vertical axis. The machine may also feature a vibration isolator that is used with the stop to prevent noise and vibration that result from movement of the machining head in relation to the stop. Additionally, the machine may include an optical device capable of capturing an image of the die cavity defining sidewall as the rotary grinding bit machines the elongate slug retention groove.

Air motor assembly

내용 없음. No content.

Machine tool i.e. hand-held machine tool, has turbine unit for driving insert tool and comprising guiding unit that guides fluid in axial direction and in circumferential direction of turbine unit

The machine tool (10) i.e. hand-held machine tool (12), has a turbine unit (14) i.e. axial-turbine unit (16), for driving an insert tool. The turbine unit comprises a guiding unit that guides fluid e.g. water, in an axial direction (22) and in a circumferential direction of the turbine unit. The guiding unit comprises radially internal guiding elements and radially external guiding elements between which the fluid is guided. The turbine unit converts pressure energy into mechanical energy in low pressure level.

Multifunction rotary tool including hub

A handheld multifunction power tool includes a driveshaft, a hub assembly, and a stem. The hub assembly includes an outer hub and an inner hub that is rotatably coupled with the inner hub and rotatable with respect to the outer hub. Rotation of the inner hub relative to the outer hub facilitates selection from among a rotary mode and a random orbital mode.

Handheld machine

一手持機器，包括第一握柄(106)，用於承接該機器之使用者的第一隻手；第二握柄(118)，用於承接該機器之使用者的第二隻手；及至少一耦接頭(114)，用於將該手持機器連接至撓性管線(116)。該第二握柄(118)在其使用位置中延伸於該耦接頭(114)之上，但可由此位置位移。

Counter clock-wise air buffer and sander

A buffer rotates counterclockwise and is used in automobile finishing jobs. The buffer is pneumatic and is especially useful for professional finish technicians.

double speed rotary tool

연삭 및 연마를 위한 경량의 손으로 쥘 수 있는(hand held) 공구를 위한 또는 스핀들 장착 공압 기계와 함께하는 사용을 위한, 고 토크 이중 속도 터빈 로터가, 제공된다. 고 토크 이중 속도 터빈 로터는, 샤프트 내부에 배치되는 유동 제어 스크류를 갖는 2-피스 샤프트(two-piece shaft)를 포함한다. 샤프트는, 로터의 제1 환형 챔버와 유체 연통 상태에 놓이는, 샤프트의 일 단부로부터의 제1 위치에 있는, 제1 중공 개구부 세트를 포함한다. 로터의 제2 환형 챔버와 유체 연통 상태에 놓이는, 샤프트의 일 단부로부터의 제2 위치에 있는, 제2 중공 개구부 세트가 또한, 존재한다. 유동 제어 스크류는, 샤프트의 나사가공 축방향 보어 내부에서, 축방향 보어 내부의 개방 위치로부터 제2 중공 개구부 세트에 대응하는 폐쇄 위치로 이동한다.

HAND GRINDING MACHINE AND VALVE THEREOF.

Pneumatically driven tool.

Druckluftgetriebenes Werkzeug mit einem elektromagnetisch betätigten Steuerglied (27) zur Steuerung eines pneumatischen Steuerkreises zur Aufrechterhaltung eines lastunabhängigen Drehmoments bei konstanter Drehzahl. Das Werkzeug umfasst ein Hauptventil (5), welches in einem Antriebsgehäuse (1) von der zugeführten Druckluft gegen die Kraft einer Schraubenfeder (13) verschiebbar angeordnet ist und einen Generator (43), der auf der Welle (49) eines Turbinenrads (51) sitzt. Mit einem Drehzahlsensor (75) wird die Drehzahl der Welle (49) gemessen und bei Drehzahlabfall infolge einer Last wird der Zufluss von Druckluft an das Hauptventil (5) gesteuert. A pneumatic tool having an electromagnetically actuated control member (27) for controlling a pneumatic control circuit to maintain a load independent torque at a constant speed. The tool comprises a main valve (5) which is displaceably arranged in a drive housing (1) by the supplied compressed air against the force of a helical spring (13) and a generator (43) mounted on the shaft (49) of a turbine wheel (51). sitting. With a speed sensor (75), the speed of the shaft (49) is measured and at speed drop due to a load, the inflow of compressed air to the main valve (5) is controlled.

Pneumatic machine tool

Ergonomically friendly random orbital sander construction

A random orbital sander including a housing, a motor having a vertical axis in the housing, a pad coupled to the motor, a face on the pad extending substantially perpendicularly to the vertical axis, a shroud surrounding the pad, an opening in the shroud, and a dust discharge tube having an inner end in communication with the opening and an outer end on the dust discharge end extending at an acute angle to the face of the pad. The sander has a height of between 83 and 86 millimeters and can weight between 0.8 and 0.75 kilograms. The outer end of the dust discharge tube can extend between about 120 and 157 millimeters from the vertical centerline. A compressed air valve including a first cylindrical wall, a first bore in the first wall, a valve having a base with a second cylindrical wall in engagement with the first cylindrical wall, a second bore in the cylindrical wall, and an inclined surface in the second wall in communication with the second bore.

Pneumatic polishing grinder with improved air intake control

Pneumatische Polierschleifmaschine mit verbesserter Lufteinlasssteuerung, mit einem Schleifkopf (1), der ein Gehäuse (11) mit einem Aufnahmeraum (111) aufweist, in dem ein pneumatischer Motor (12) aufgenommen ist, dessen Motorwelle (121) mit einer Schleifscheibe (13) verbunden ist, die sich in der unteren Öffnung des Aufnahmeraumes (111) des Gehäuses (11) befindet und über der eine Staubschutzhaube (14) vorgesehen ist; einem Handgriff (2), der mit dem Schleifkopf (1) verbunden ist, vertikal zu dem Schleifkopf (1) verläuft und einen von einem Kanal (221) mit größerem Durchmesser und einem Kanal (222) mit kleinerem Durchmesser gebildeten Lufteinlasskanal (22) aufweist, wobei der Kanal (222) mit kleinerem Durchmesser an einem Ende mit dem Aufnahmeraum (111) und am anderen Ende mit einem Ende des Kanals (221) mit größerem Durchmesser verbunden ist, dessen anderes Ende mit der Außenluft in Verbindung steht, wobei in dem Handgriff (2) ferner ein Luftauslasskanal (23) vorgesehen ist, der sich unter dem Lufteinlasskanal (22) befindet,... Pneumatic polishing machine with improved air intake control, with a grinding head (1) having a housing (11) with a receiving space (111) in which a pneumatic motor (12) is received, whose motor shaft (121) is connected to a grinding wheel (13) located in the lower Opening of the receiving space (111) of the housing (11) is located and over which a dust cover (14) is provided; a handle (2) connected to the grinding head (1) extending vertically to the grinding head (1) and having an air inlet passage (22) formed by a larger diameter passage (221) and a smaller diameter passage (222) wherein the smaller diameter channel (222) is connected at one end to the receiving space (111) and at the other end to one end of the larger diameter channel (221) whose other end communicates with the outside air, in which Handle (2) further provided an air outlet channel (23) located below the air inlet channel (22), ...

Power tool

This invention relates to a power tool ( 1 ) including an operative element ( 4 ) for treating a work piece. The power tool ( 1 ) defines an air passageway and includes propelling means ( 20 ) operative to induce air to flow through the passageway. The passageway direct the induced air over the power tool's motor ( 14 ) to cool the motor (14). The air is exhausted from the tool ( 1 ) by exhaust means onto the operative element ( 4 ) and a worked face of the work piece. This cools the operative clement ( 4 ) which prolongs its working life. Furthermore, the exhausted air facilitates removal of swarf from the worked face.

Pneumatic rotary grinding tool