Matches 1 - 39 out of 39


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;...
US20130341058 POWER TOOL  
A power tool having an electric motor with a static stall torque and a housing, a tool holder being mounted on the housing rotatably about an axis of rotation, the electric motor being connected...
US20110073341 POWER TOOL FOR TIGHTENING SCREW JOINTS AND RELEASE COUPLLING  
A power tool for tightening screw joints includes a rotation motor and a device for initiating a braking torque to the motor when, in operation, a predetermined tightening condition has been...
US20090126961 Screw fastening machine  
It is an object of the invention to provide an effective technique for preventing loss of a screw fastening depth regulating member removed from a machine body in a screw fastening machine. A...
US20110017484 HAND-HELD POWER TOOL, IN PARTICULAR CORDLESS POWER TOOL  
The invention is based on a hand-held power tool, in particular a cordless power tool, having a torque-limiting device that is provided for setting a maximum torque that a motor output is able to...
US20080283262 Device and method for variable torque fastening  
A device and method for variable torque fastening are capable of easily varying a tightening torque and are capable of automatically changing a tightening torque according to the sequence set by...
US20100024611 POWER DRIVER AND METHOD OF USING THE SAME  
A pneumatic driver for driving a fastener including an air inlet connectable to an air supply and a pneumatically driven motor driveable by air supply about a tool axis. The driver further...
US20090242226 Automatic gear shifting power tool  
While a load torque applied to a tool shaft is lower than a predetermined value, a moving member is maintained at a first position, and a sun gear is rotated integrally with an internal gear. When...
US20070193758 Air driver device  
Provide an air driver device which is simple in construction and easily realizable in compact size, and has excellent durability. In an air driver device designed to shut off the supply of...
US20060249294 Device for tightening threaded fastener joints  
A fastener joint tightening apparatus with an inertia canceling unit is disclosed for tightening a threaded fastener joint using a power tool driven by an electric motor, including a tool adapter...
US20110132630 SCREW FASTENING DEVICE AND TORQUE SENSOR  
A screw fastening device having a compact clutch that is directly connected to an output side of a DC motor. The output of the DC motor can be suppressed so that the DC motor and the clutch can be...
US20140262404 ELECTRIC POWER TOOL  
An electric power tool includes a motor having a drive shaft, a tool output shaft rotated by rotational force of the drive shaft, a clutch unit that connects or disconnects a torque transmission...
US20060048956 Screwdriving power tool with an axially operated percussion mechanism  
The screwdriving power tool includes a hollow spindle (8) rotatably supported in the tool housing (4) and driven by a motor (26), a clutch (30) that rotatably connects and disconnects the hollow...
US20060254788 Drive and/or dose metering module with an anti-rotation stop  
A drive and/or dose metering module for an injection device or the like, including a drive element, an output element coupled with the drive element so that a rotating movement of one of the drive...
US20150114675 HAND-HELD POWER TOOL  
A hand-held power tool is provided which includes a clutch housing of a torque clutch, and a planetary gear, situated in a gear housing, for transmitting a torque which is generated by a drive...
US20080296036 Shiftable Clutch for an Electric Power Tool  
The invention relates to a clutch (2) for a hand-operated electrical tool, in particular for a hand-held electrical device with a rotating tool, such as a drill or hammer drill, where the clutch...
US20070193420 Method And Device For Loosening A Sticking Connection, In Particular A Glow Plug  
A method and device are provided for loosening a sticking connection, in particular a glow plug in the cylinder head of an engine. The device comprises a mechanism for generating vibrations in an...
US20080210450 Power tool with a slip clutch  
A power tool includes an output member (8) projecting from the tool housing (4), a drive (6) located in the housing for rotating the output member (8), and a slip clutch (22) for transmitting...
US20150034350 ROTATIONAL FORCE TRANSMITTING DEVICE  
The present invention provides a rotational force transmitting device including: an inertia wheel 100 connected to an output gear 22 rotating engagedly with a driving motor 11 and rotating by...
US20130240230 HAND-HELD POWER TOOL  
A hand-held power tool has a tool housing in which a gear unit which is drivable by a drive motor for driving a drive shaft is situated and to which a torque clutch is assigned. On the hand-held...
US20070089891 Anti-disengagement structure for guide balls of a striking unit  
An anti-disengagement structure for guide balls of a striking unit, including: a transmission shaft; a striking seat having a seat section formed with a shaft hole, the seat section being...
US20100102104 FASTENER DRIVING TOOL  
A fastener driving tool includes a housing, a motor, a plunger, a spring, a drum, and one of a cable and a sheet member. The motor is provided in the housing. The plunger is provided in the...
US20090321102 HAND-HELD POWER TOOL  
The invention relates to a hand tool (1), particularly electric hand tool, having a drive (5), a tool shaft (3), a first overload clutch (14) and a transmission (6), which comprises a first and at...
US20140144661 HAND-HELD POWER TOOL HAVING A TORQUE CLUTCH  
In a hand-held power tool having a transmission and a torque clutch, which has a torque limiting coupling associated with the transmission and with which a limiting transfer element is associated,...
US20130105189 Power Tool with Force Sensing Electronic Clutch  
A power tool includes a housing, a motor disposed in the housing, a transmission disposed in the housing and coupled to the motor, an output end effector coupled to the transmission, a control...
US20090294145 SCREW DRIVER  
A screw driver capable of avoiding co-rotation of an end bit and a motor in case of sharp shooting the end bit with a groove in a head of a screw. A co-rotation preventing mechanism is engageable...
US20140069675 SPINDLE BEARING ARRANGEMENT FOR A POWER TOOL  
A power tool that includes a housing, a motor, a pair of motor bearings, a transmission, an output spindle and front and rear spindle bearings. The motor is received in the housing and includes a...
US20120193113 AUTOMATIC TRANSMISSION FOR A POWER TOOL  
A transmission assembly for a power tool includes a first transmission path comprising a high speed transmission path, a second transmission path comprising a low speed transmission path, a...
US20120255755 POWER TOOL  
In a power tool, a planetary gear speed reduction mechanism is provided in a gear case, and a spindle is configured to receive a torque of a motor transmitted through the planetary gear speed...
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...
US20100163264 HAND-HELD POWER TOOL  
The invention relates to a hand-held tool (1), in particular an electric handheld tool, comprising a drive motor (4), a tool shaft (14) and a first overload clutch (19) for limiting the maximum...
US20110232930 SPINDLE BEARING ARRANGEMENT FOR A POWER TOOL  
A power tool with a motor, a housing, a transmission, an output spindle, a front bearing and a rear bearing. The motor has an output shaft. The transmission is disposed in the housing and receives...
US20120255754 PERCUSSION DRIVER DRILL  
In a clutch mechanism of a percussion driver drill, a plurality of engageable members held in a gear case is configured to be engageable with an end face of a final-stage internal gear, and a coil...
US20130319710 POWER TOOL  
A power tool enabled to detect an inadvertent rotation at higher accuracy includes a first sensor that detects a first driving information corresponding to a kinetic movement state of the tool...
US20120061116 ELECTRIC TOOL  
A hand-held power tool has a tool body, a motor housed in the tool body and a grip part designed to be held by a user, and performs a predetermined operation on a workpiece by a tool bit...
US20160288308 Protective Device at least for Protecting a User in the Event of an Uncontrolled Blockage of a Portable Power Tool  
A protective device at least for protecting a user in the event of an uncontrolled blockage of a portable power tool includes at least one rotationally drivable shaft and at least one...
US20160031072 ELECTRONIC CLUTCH FOR POWER TOOL  
A method is presented for controlling operation of a power tool having an electric motor drivably coupled to an output spindle. The method includes: receiving an input indicative of a clutch...
US20150273671 AUTOMATIC SCREW TIGHTENING CONTROL METHOD AND DEVICE  
In an electric driver configured such that a driver bit is coupled to a drive output shaft of an electric motor via a clutch mechanism to perform screw tightening operations, an automatic screw...
US20110048752 Power Tool  
A driving section generates rotational driving force and has an output shaft (31) that outputs the rotational driving force. An end-bit mounting section (5) holds an end bit (10) and is rotatable...

Matches 1 - 39 out of 39