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Patent Searching and Data


Matches 301 - 350 out of 9,753

Document Document Title
WO/2014/125813A1
An impact tool includes a housing, a spindle, a bearing, an anvil, and a percussion mechanism. The spindle is accommodated in the housing and is driven to rotate by a drive source. The bearing is accommodated in and engaged with the hous...  
WO/2014/095472A3
An electric hand held impulse wrench comprises a housing (10), a motor (12) with a rotor (18) and a stator (17), an pulse unit (13) and an output shaft (14), wherein the output shaft (14) together with pulse unit (13) and the rotor (18) ...  
WO/2014/115508A1
A power tool includes a housing, a motor, a hammer, an anvil, and a controller. The motor is accommodated in the housing. The hammer is configured to be rotated by the motor. The anvil is configured to be rotated in one of a rotational m...  
WO/2014/095472A2
An electric hand held impulse wrench comprises a housing (10), a motor (12) with a rotor (18) and a stator (17), an pulse unit (13) and an output shaft (14), wherein the output shaft (14) together with pulse unit (13) and the rotor (18) ...  
WO/2014/098256A1
An impact tool includes: a motor; a trigger; a controller configured to control driving power supplied to the motor using a semiconductor switching element according to an operation of the trigger; a striking mechanism configured to driv...  
WO/2014/084158A1
The purpose of the present invention is to provide an impact tool capable of performing high torque tightening work by driving a motor efficiently while limiting temperature elevation. An impact tool with a control means for controlling ...  
WO/2014/072174A1
A pneumatic impulse wrench comprises a housing (10) with a motor (12), a pressure air inlet passage (15) with a throttle valve (17), an exhaust air outlet passage (16) connected to the motor (12), an impulse generator (13) coupling the m...  
WO/2014/062149A1
A single torque offsetting tool between an input element and an output element, the tool includes an input element receiving segment, a torque offsetting segment, and an output element receiving segment. The torque offsetting segment mou...  
WO/2014/032643A4
The invention relates to a device for screwing and unscrewing bolts and screws by means of a motor-driven screwdriving tool, which is preferably used in the track region of railroad facilities. The invention is based on the object of dev...  
WO/2014/056820A1
The invention relates to a method for operating a hand-held machine tool with a tangential impact mechanism which can be driven by means of a drive shaft and an electric motor, according to which method an actual torque provided by the d...  
WO/2014/056905A1
The invention relates to a hand-held machine tool, particularly a hand-held screwdriver tool, having a tool holder (12a; 12b; 12c; 12d; 12e; 12f), a drive spindle (66a; 66b; 66c; 66d; 66e; 66f) and at least one active drive unit (14a; 14...  
WO/2014/049912A1
A rotational impact tool including: a motor (4); a spindle (23); a hammer (6); a first resilient member (22); and an anvil (7). The motor generates a drive force. The spindle rotates in a rotating direction upon transmission of the drive...  
WO/2014/049923A1
A power tool includes a housing, a motor, a hammer, an anvil, a detecting unit, and a controller. The motor is accommodated in the housing. The hammer is configured to be rotated by the motor in a rotational direction about a rotational ...  
WO/2014/046168A1
[Problem] To provide an electric screwdriver which is configured so that there is a difference in the upper limit value of transmittable rotational drive force between when the electric screwdriver is rotated in the normal direction and ...  
WO/2014/032643A1
The invention relates to a device for screwing and unscrewing bolts and screws by means of a motor-driven screwdriving tool, which is preferably used in the track region of railroad facilities. The invention is based on the object of dev...  
WO/2014/019907A2
The invention relates to a torque rod for limiting torque, with a frame having a first end region and a second end region in the opposite, longitudinal direction, a first coupling for connecting the frame for conjoint rotation to the dri...  
WO/2014/020986A1
A socket for wrenches has a joint (7) connecting a rotating tool (r) to a base (2) and has a screw receiving section (8) accepting a screw (s) into the tip (3). Furthermore, a reinforcement material (5) containing a high elastic fiber ma...  
WO/2014/019810A1
In the case of a power screwdriver (1) having a drive part (5) containing a drive cylinder, having an output part (7), wherein the output part has an output shaft (9) mounted in a housing (3), said output shaft (9) being rotated at inter...  
WO/2014/018139A1
A fastener tool assembly for installing breakaway torque nuts includes a socket having a first end attachable to a driver of a fastening tool. A second end of the socket operably engages a detachable wrenching ring of a breakaway torque ...  
WO/2014/013474A1
A power tool (10) comprises a motor for driving a driven element of the power tool (10) and a handle section (12), wherein the power tool (10) incorporates first and second pressure sensitive switches (18,20) operable to control operatio...  
WO/2014/009030A1
A power tool (10) for delivering a torque in order to tighten joints, which power tool (10) comprises a output shaft (19) for connection to a screw or a nut holder and a motor (11) arranged to drive a motor shaft (12), the motor (11) bei...  
WO/2014/011508A1
A fastener-driving tool including a combustion power source configured for powering a driver blade drive system for reciprocal movement of a driver blade relative to a workpiece. The driver blade drive system includes a first portion con...  
WO/2014/008389A1
A power tool comprises an electric motor (110) within a housing. A lithium based rechargeable battery (108) within the housing is operatively connected to the motor. A universal serial bus (USB) power input port (102) supported within th...  
WO/2014/002862A1
Provided is a very short bit which has excellent durability, can prevent shaking, and is suitable for angular rotary tools. A very short bit (10) is constituted of a cutting edge (12), a trunk (18) that is fitted into a socket section of...  
WO/2013/187411A1
The purpose of the present invention is to provide: a power-driven device provided with control modes capable of having the parameters thereof set, and a power-driven-device system; and an electric-power-tool management system with which...  
WO/2013/183650A1
A rotary impact tool comprising a motor, an impact mechanism, a drive unit, an impact detection unit, and a control unit. The impact mechanism comprises: a hammer that rotates as a result of the rotational force of the motor; an anvil th...  
WO/2013/183535A1
A rotary impact tool comprising a motor, an impact mechanism, a drive unit, an impact detection unit, and a control unit. The impact mechanism comprises a hammer, an anvil, and a mounting unit. If an impact is detected by the impact dete...  
WO/2013/182384A1
The invention relates to a hand-held power tool device, comprising an output unit (12a), a striker (14a), and a rotary strike receiver (16a), which is designed to establish the transfer of rotary strikes between the striker (14a) and the...  
WO/2012/164276A3
There is described a torque tool comprising a synchronous reluctance motor. The torque tool comprises an electrical machine drive system, an electronic controller and a gear system. The drive system comprises a rotor and a stator arrange...  
WO/2013/179713A1
[Problem] To provide a noise-suppressing device for an impact tool that effectively suppresses noise produced by an impact tool, and to provide an impact tool having the noise-suppressing device for an impact tool. [Solution] In the pres...  
WO/2013/084255A3
An apparatus for mounting support tileframes for electrical devices, comprising: a mechanism for holding the tileframe (3), inserted into the said tileframe or guided for holding by the user; two or more chucks (6, 7, 8), whose number va...  
WO/2013/172841A1
The invention relates to an operation parameter regulation unit for an electrically power operated tool having an operation unit to control an electric power unit for the generation of a screw pretensioning force. The operation parameter...  
WO/2013/168355A1
A rotary impact tool (11) includes a motor (15), and an impact force generating unit (17) provided on the output side of the motor (15). The impact force generating unit (17) is provided with a deceleration mechanism (18), a hammer (19),...  
WO/2013/164905A1
A power tool which has an anvil 20 that is rotated by a hammer 22 and is housed in a housing, and rotates an output shaft 18 is provided. The anvil 20 and the output shaft 18 are integrally formed into one unit, and a carrier 33 that is ...  
WO/2013/081191A3
An electric tool including: a motor including a plurality of coils; an end tool configured to be driven by the motor; a drive circuit configured to supply a drive current to the plurality of coils; a control part configured to control th...  
WO/2013/149724A1
An electric power wrench for fastening and loosening joints is disclosed. The power wrench comprises: a main shaft for delivering a torque to a joint, an electric motor that is arranged to selectively drive the main shaft in two opposed ...  
WO/2013/145563A1
A power tool having an impact mechanism part using a hammer 24 and an anvil 31 is provided with a switching mechanism 35 of a mode in which the hammer 24 impacts the anvil 31 while the hammer is placed over the anvil 31 and another impac...  
WO/2013/145697A1
An impact tool comprises an end-bit holding section (3a) and a driving source (2). The end-bit holding section is formed with a hole (3a) for receiving an end bit (12), the hole having a center axis defining an axial direction, the hole ...  
WO/2013/143489A1
A control method of a hand-held electric tool, setting a first current threshold (I1) and a lower second current threshold (I2); when a motor current reaches the second current threshold (I2), maintaining the motor rotating speed; and wh...  
WO/2013/107665A1
The present invention relates to a pneumatically driven torque screwdriver (1), having a housing (3) in which a pneumatically driven drive unit (4) is arranged, a gear unit (27) used for transmitting the torque generated by the drive uni...  
WO/2013/084255A2
An apparatus for mounting support tileframes for electrical devices, comprising: a mechanism for holding the tileframe (3), inserted into the said tileframe or guided for holding by the user; two or more chucks (6, 7, 8), whose number va...  
WO/2013/071483A1
Disclosed in the present invention is an electric nut wrench with flexible shaft, which comprises an electric handle (1). An output shaft (2) of the electric handle (1) is connected with the flexible shaft (4) by a fixing element (3), an...  
WO/2013/068212A1
A percussion mechanism includes a first shaft and a second shaft. One or more vanes are fastened to the first shaft. The vanes are arranged so as to be rotatable in a chamber of the second shaft. The chamber is filled with a magnetorheol...  
WO/2013/068892A1
A cycle counter (12) for a pneumatic, or hydraulic, or electric apparatus (1), in particular for a pneumatic impact wrench, comprises a sensor (18) mounted inside the apparatus (1). The sensor (18) is configured for detecting a complete ...  
WO/2013/068209A1
A hand-held power tool has a motor, a tool holder, and a percussion mechanism that is disposed between the motor and the tool holder in the drive train. The percussion mechanism includes a first shaft (12) and a second shaft (13). A magn...  
WO/2013/065222A1
An impact tool has a hammer (5) to be driven by a motor for revolution and an anvil (6) impacted with the revolution by the hammer (5) and transmitting an impact force to a tip tool. Between the motor and the hammer (5), first and second...  
WO/2013/060545A1
In a portable power tool having an output shaft (124) on which there is formed a tool holder (150) which has an internal polygonal holder (290) and an external polygonal holder (210), wherein the internal polygonal holder (290) is design...  
WO/2012/177050A3
The present invention relates to a rotational force transmitting apparatus for an electrically driven tool, consisting essentially of: an inertial wheel (100) which is connected to an output gear (22) that rotates in engagement with a dr...  
WO/2013/037325A1
Disclosed is an electrician's screwdriver comprising a main machine housing, an electricity sensing device provided at the main machine housing, a working portion provided at one end of the machine shell of the main machine, with a motor...  
WO/2013/011183A3
The invention relates to a hydraulically operated tightening tool, comprising a body (1) on which a hydraulic cylinder is mounted, and an actuating ring (6) that is joined to the body (1) in an articulated manner and receives the action ...  

Matches 301 - 350 out of 9,753