Matches 1 - 46 out of 46


Match Document Document Title
US20130037288 Control Scheme For Detecting And Preventing Torque Conditions In A Power Tool  
A control scheme is provided for a power tool having a rotary shaft. The control scheme includes: monitoring rotational motion of the tool generally about a longitudinal axis of the shaft;...
US20070261868 Magnetic torque-limiting device and method  
In a torque-limiting device, a first end engages a fastener, a second end receives an applied torque, and a magnetic torque limiter transmits the applied torque from the second end to the first...
US20110162861 POWER TOOL WITH SIGNAL GENERATOR  
A power tool comprising a housing, a motor, an output shaft, a gear transmission mechanism and a control system. The gear transmission mechanism is connected between the motor and the output 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...
US20120279743 ELECTRIC POWER TOOL  
An electric power tool includes an electric motor, a rotation speed detection device, a brake device, and a rotation speed-based activation device. The electric motor generates a driving force to...
US20130327552 POWER TOOL HAVING MULTIPLE OPERATING MODES  
A handheld power tool is configured to receive an input indicative of a clutch setting for an electronic clutch from the tool operator, where the clutch setting is selectable from a drill mode, an...
US20140321930 Hand Tool Operating Unit  
A hand tool operating unit includes at least one operating member, and an electronic operating unit that has a position sensor configured to ascertain a position of the operating member. The hand...
US20140166323 Kickback Reduction for Power Tools and Machines  
An apparatus and methods are described for protecting an operator from sudden, unexpected or dangerous movement of powered hand held tools and the like. A set of parameters for safe operation of...
US20110272898 Clamping device  
A clamping device for machine tools is provided with a chuck, the clamping jaws of which are actuated by a draw rod, the clamping device having of a servomotor, a movement converter and a force...
US20110147029 Hand-guided power tool having a torque coupling  
A hand-guided power tool according to the invention, has a torque coupling, and a planetary gear disposed in a gearbox for transmitting a torque, generated by a drive motor, to a drive shaft. The...
US20050247459 Method for operating a disengagable screwdriver, and a disengagable screwdriver  
The present invention is based on a method for operating a disengagable screwdriver (10) having a drive motor (12) and a shut-off device (20), with which a driving of a screw tool (16) is halted...
US20140374130 Impact Tool  
An impact tool includes a motor, a hammer, an anvil, and a control unit. The hammer is configured to be driven by the motor and be movable in an axial direction of the motor. The anvil is...
US20100065293 METHOD FOR OPERATING AN ELECTRICAL POWER TOOL, AND A DRIVE UNIT FOR AN ELECTRIC POWER TOOL  
The invention relates to a method for operating a handheld electric power tool, having an electric motor that is drivable at a rated torque as the maximum allowable motor torque by the application...
US20050263303 Rotary impact tool  
A rotary impact tool can be used in a work especially precision or finishing of fastening is important. The rotary impact tool comprises a rotary driving mechanism including a driving source for...
US20160121467 Impact Driver Control System  
An impact driver having an impact driver control system which can activate a driver release. The activation of a driver release can be controlled by an electronic controller which can be set to...
US20130133911 ROTARY IMPACT TOOL  
There is provided a rotary impact tool that includes: a motor; a hammer configured to be rotated by the motor; an anvil configured to be intermittently applied with an impact force in a rotation...
US20130333910 IMPACT TOOL  
According to one embodiment, an impact tool includes: a motor; and a hammer that is connected to the motor and that has a striking-side surface; and an anvil that is journalled to be rotatable...
US20130161041 APPARATUS FOR TIGHTENING THREADED FASTENERS  
According to a first aspect of the invention we provide an apparatus for reaction—free and reaction—assisted tightening and loosening of an industrial fastener including: a motor (102) to generate...
US20130068491 ELECTRIC POWER TOOL  
An electric power tool includes: a motor; an operation unit; a control parameter setting unit; and a control unit. The control parameter setting unit sets, as a control parameter of the motor, an...
US20050263305 Rotary impact tool  
A rotary impact tool can be used continuously for fastening a plurality of fastening members such as screws, bolts or nuts in tight fastening mode. The rotary impact tool comprises a rotary...
US20080289839 Method of controlling a screwdriving power tool  
In a method for controlling a drive (4) of an electrically operated screwdriving power tool (2) during a screwdriving process, a tool holder (14) with a screw bit (16) fastened thereto is acted...
US20100116519 POWER SCREWDRIVER  
The invention relates to a power screwdriver (10) comprising a motor (12) as the drive, a desired torque default element (52) and an actual torque determination element (46), a torque gradient...
US20150231771 Power Tool  
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...
US20160151845 RECIPROCATING ELECTRIC POWER TOOL  
A reciprocating electric power tool in one aspect of the present invention includes an attachment unit, a motor, a power transmission unit, and a controller. The controller is configured to...
US20090308628 ROTARY TOOL DRIVEN BY BRUSHLESS MOTOR  
To provide a rotary tool driven by a brushless motor with which constant torque tightening work for screws or the like can always be performed properly and efficiently, in which overall downsizing...
US20130284477 OVERLOAD COUPLING  
A power tool device, in particular a hammer drill device and/or a chisel device, includes at least one torque limiting unit that is configured to limit a torque in a drivetrain in at least one...
US20100200260 HANDHELD TOOL  
A handheld tool includes a first power source, a second power source having a characteristic different from a characteristic of the first power source, and an operation part which is operated by a...
US20060266537 Rotary impact tool having a ski-jump clutch mechanism  
A clutch mechanism for a rotary impact tool comprises a cam ball and a cam follower. The cam follower includes a raceway for allowing the cam ball to travel along a surface of the cam follower....
US20120279742 Hand-Held Power Tool  
The disclosure relates to a hand-held power tool including a housing having a handle portion, a tool portion for a tool that can be driven to move linearly and/or oscillate, an operator part on...
US20060157262 Power tool having presetable digital control of torque output  
A power tool includes a main frame, a motor, and an electronic control device. The electronic control device that can detect the torque output of the power tool, so that when the output state of...
US20130199809 ASSEMBLY DEVICE AND ASSEMBLY METHOD  
The invention relates to an assembly device (100) and method having a screw device (101) for tightening and loosening screws, having a screw head (102) and a housing (103), wherein measurement...
US20130161048 POWER TOOL  
An electric driver (1) as a power tool comprises a motor (2) which actuates a tool bit (100). The electric driver (1) has a first planetary gear mechanism (30), a second planetary gear mechanism...
US20080202783 Method for controlling a linear motor for driving a striking mechanism  
A method of controlling a single-phase linear motor (1) for driving a striking mechanism (2) with a loose coupling (4) between a runner (5) of the linear motor (1) and a striker (6) of the...
US20130180748 PNEUMATIC TORQUE IMPULSE WRENCH WITH STEPPED SHUT-OFF FUNCTION  
A pneumatic torque impulse wrench comprises a housing (10), a motor (15), a hydraulic impulse unit (20) including an inertia drive member (21) and intermittently coupling the motor (15) to an...
US20090308624 Screw tightening axial force control method using impact wrench  
Conventionally, as screw tightening axial force control, there is a control method such as a torque control method. The torque control method requires estimation of a torque coefficient, and has a...
US20130056236 THRED FASTENER TIGHTENING AND LOOSENING DEVICE  
An object of the present invention is to provide a threaded fastener tightening and loosening device capable of achieving operations of both tightening and loosening a threaded fastener at high...
US20130333905 Machine Tool and Control Method  
A machine tool with a tool holder which is equipped to mount a tool, such as a chiseling tool, moveably along a movement axis. A striking mechanism, such as a magnetic-pneumatic striking...
US20100270048 REACTION ADAPTORS FOR TORQUE POWER TOOLS AND METHODS OF USING THE SAME  
Reaction adaptors for torque power tools pneumatically, electrically, hydraulically and manually driven, tools having the adaptors, and methods of using the same, are disclosed. In one...
US20060225904 Power tool that can interrupt the electric power automatically  
A power tool includes a control interface device to start the timing unit, so that the electric power from the power supply device is interrupted automatically and the motor stops operating when...
US20150306749 ENERGY-EFFICIENT ELECTRIC SCREW DRIVERS  
An energy-efficient electric screw driver equipped with MCU, and has three adjustment modes, including: Sport, Normal and ECO. Meanwhile, the capacitor is mounted in the control panel of the...
US20090008115 Hand-held power tool with a slip clutch  
A hand-held power tool includes a drive element (12), a driven spindle (16), and a slip clutch (14) arranged between the drive element (12) and the driven spindle (16) and including a plurality of...
US20150306748 ENERGY-EFFICIENT ELECTRIC SCREW DRIVERS  
An energy-efficient electric screw driver designed to have three adjustment modes, including: Sport, Normal and ECO. The capacitor is mounted in the control panel of the electric screw driver and...
US20100243285 TORQUE ADJUSTING STRUCTURE FOR AIR TOOLS  
A torque adjusting structure for an air tool includes an accommodating device and a torque device. The accommodating device has a head part and a body part. The head part is formed with a hollow...
US20100242691 TORQUE ADJUSTING STRUCTURE FOR POWER TOOLS  
A torque adjusting structure for power tools includes an accommodating device and a torque device. The accommodating device has a head part and a body part. The head part is formed with a groove...
US20070102177 Combined torque indicator and regulator for pneumatically-operated hand tool  
A power tool includes a pneumatic torque wrench that has a first housing provided with a threaded aperture and a second housing that is in fluid communication with the first housing such that air...
US20060219420 Apparatus for adjusting torque output of power tool  
An adjusting apparatus has a barrel with a closed end, a neck portion on the closed end and bores on the closed end. An adjusting assembly with an outer tube and an inner tube is connected to the...

Matches 1 - 46 out of 46