Matches 1 - 32 out of 32


Match Document Document Title
US20130153252 IMPACT TIGHTENING TOOL  
An impact wrench which includes an air motor and a main shaft that is rotated by pulsed impact torque that is converted from rotary torque from the air motor to tighten a bolt, is provided with a...
US20110214894 OIL PULSE TOOL  
According to an aspect of the invention, an oil pulse tool includes: a motor generating a driving force according to a driving voltage; an oil pulse unit driven by the driving force and generating...
US20140090224 TORQUE-APPLYING TOOL AND TORQUE CONTROLLER THEREFOR  
A torque applying system includes a torque applying tool having a motor and rotating output spindle, a torque sensor that measures an instantaneous torque exerted by the output spindle during a...
US20140102741 IMPACT ROTATION TOOL  
An impact rotation tool includes a drive source that generates power. An impact force generation unit generates impact force by changing the power generated by the drive source to pulsed torque. A...
US20120318552 Impact Tool  
In a pneumatic impact wrench there is an output shaft that is connectable in a removable manner to a screw coupling member; a torque sensor, which is mounted on the shaft, sends signals to a...
US20110167651 CIRCULAR SAW  
A circular saw in which cutting speed of a saw blade is smoothly controlled. A speed change mechanism of a circular saw includes first and second rotating shafts disposed parallel to each other,...
US20110000688 ELECTRIC ROTATING TOOL, CONTROL METHOD, AND PROGRAM  
Tightening torque is appropriately managed by a simple means. An electric rotating tool (40) has a brushless DC motor (2), an inverter circuit part (3), and a control circuit part (4). The control...
US20110308827 Power Screwdriver  
A power screwdriver is disclosed, having a drive for driving a tool spindle having a controller for controlling the drive, having a monitoring device for monitoring the rotation speed or the...
US20090277658 VARIABLE SPEED TOOL AND VARIABLE SPEED CONTROL METHOD  
The present invention has disclosed a variable speed tool and a variable speed control method. The tool includes a switch; a gearbox housing; a motor; an outputting shaft; a multistage...
US20140166326 Electric Impulse Screwdriver  
An electric screwdriver includes a housing, a motor having a rotor and a maximum torque at constant speed of Cmax, and an end member. A transmission drives the end member and has a reduction gear...
US20090194307 Torque limiting driver and method  
A rotation driver and method for transmitting a limit torque to a fastener by having cam members which rotate together for torquing and then reverse the rotation to return to their starting...
US20130000938 POWER TOOL  
A hand-held power tool comprises a motor, an output section which is rotationally driven by the motor, and an output change section which changes the output of the output section in a stepless...
US20090139738 Screwing Tool And Method For Controlling The Tightening Angle Of Screwed Joints  
The invention proposes a method for controlling the tightening angle of screwed joints when tightening is effected using a hand-held screwing tool, wherein the torque is monitored until a...
US20140374131 POWER TOOLS  
A power tool has a continuously variable transmission, a condition detection device, and an operation control device. The continuously variable transmission changes a velocity of a rotational...
US20090014192 Control method and control unit for impact type screw fastening device  
An object is to improve accuracy of tightening torque and to shorten time necessary for fastening a screw in an impact type screw fastening device that uses an electric motor as a rotation driving...
US20130186659 TRIGGER PROFILE FOR A POWER TOOL  
An improved method is provided for operating a power tool. The method includes receiving an input control variable from an input unit; receiving at least one tool parameter relating to the power...
US20100059240 METHOD FOR TIGHTENING A SCREW CONNECTION AND SCREW DRIVING TOOL  
Disclosed is a method for screwing in and tightening a screw connection (1) to a predetermined tightened level (2), especially a predetermined torque level (2) or a predetermined pretension level,...
US20110203819 Power tool and torque adjustment method for the same  
A power tool includes a detecting member mounted in an output end of a housing, and a to-be-detected member mounted in a driver. When the driver is assembled with the output end of the housing,...
US20130233584 Power Tool and Power Tool System  
A power tool includes a bit mounting unit, a motor, and a control unit. The bit mounting unit is configured to mount thereon a bit. The motor is configured to rotatingly drive the bit. The control...
US20120234569 TOOL APPARATUS SYSTEM AND METHOD OF USE  
A system, and a method of using a system, for controlled tool operation. The method includes providing a tool used in a force application such as a such torque application. The tool communicates...
US20120255756 POWER TOOL  
Provided is a power tool which is capable of more reliably detecting excessive reaction torque acting on a tool body. More specifically, provided is a handheld power tool which causes a tip tool...
US20100147545 HANDHELD POWER TOOL DEVICE FOR DETECTING TORQUE  
The invention is based on a device for handheld power tool for detecting a torque, having at least one sensor unit. It is proposed that the sensor unit is intended for detecting a deformation...
US20120175142 POWER TOOL  
The invention provides a transmission assembly and a power tool. One form of the power tool includes a rotatable driven member for releasably gripping and rotating a working element and a...
US20110303432 POWER TOOL TRANSMISSION  
A power tool that includes a housing assembly, a motor received in the housing assembly, a trigger, an output spindle, a transmission and a bearing. The transmission is received in the housing...
US20100116101 DEVICE AND METHOD FOR TIGHTENING A NUT PLACED ON A THREADED END, AND ASSEMBLED WASHER AND NUT FOR SUCH A DEVICE  
Device (10, 20, 30) and method for tightening a bolt (2) or a nut (12) threaded on its end, which end extends through at least a first body (3) and screws into a hole (5) in a second body (4) or...
US20140102742 POWER TOOL HAVING ROTARY INPUT CONTROL  
A power tool includes a housing, a motor, an output member driven by the motor, and a reaming attachment coupled to the output member. The reaming attachment has a front end portion selectively...
US20170008156 IMPACT ROTARY TOOL  
An impact rotary tool comprises a driving source that is supplied with power from a battery pack and that rotates a hammer via a drive shaft, and a controlling unit that controls the driving...
US20160354905 POWER TOOLS WITH USER-SELECTABLE OPERATIONAL MODES  
A hand-held power tool is provided that includes a housing assembly, an output spindle, and a motor endbell. The housing assembly supports an electric motor having a rotor configured to rotate...
US20160325414 METHOD FOR MEASURING INERTIA MOMENT OF IMPACT ROTARY TOOL AND IMPACT ROTARY TOOL USING MEASURING METHOD  
An impact rotation tool includes an impact force generator that changes power of a drive source into pulsed torque to generate impact force. An output shaft transmits the pulsed torque to a bit...
US20160121470 Impact Screwdriver  
An impact screwdriver having a housing is disclosed comprising an impact mechanism including a hammer interacting with an anvil for driving a tool, wherein the hammer is arranged on a drive shaft...
US20150352699 Power Tool  
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...
US20150336248 Power Drill Having Torque Setting Mechanism  
A hand-held power drill having a torque setting mechanism. The power drill includes a drill housing that encloses a motor that rotatably drives a drill chuck in which a drill bit can be...

Matches 1 - 32 out of 32