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US20130025893 ELECTRIC POWER TOOL POWERED BY BATTERY PACK AND ADAPTER THEREFOR  
An adapter for an electric power tool couples battery packs with the electric power tool. The adapter is provided with a voltage regulator circuit interposed between the battery packs and the...
US20110259619 PORTABLE POWER WRENCH WITH A MANUALLY OPERATED POWER CONTROL MEANS  
A portable power wrench of an angle type includes an elongated housing with an angle drive head and a rear handle and supports a motor. The power wrench also includes a manually operated power...
US20110000689 POWER TOOL  
A power tool 1 is connected to a battery pack 5 including an overcurrent detector 533 which detects overcurrent of a battery module 51 and outputs a detection signal, and an overdischarge detector...
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...
US20120000682 HAND-HELD POWER TOOL  
A hand-held power tool such as a drill, a nail gun, a hand-operated drive-in tool or a bolt setting tool, is disclosed. In order to further improve the operation of hand-held power tools, the...
US20130098646 Power Tool and Battery Pack for Use in the Power Tool  
A power tool includes: a battery cell group including a plurality of secondary battery cells; a motor to which an electric power is supplied from the battery cell group through a switching element...
US20130025892 Power Tool  
An electronic pulse driver includes a motor, a hammer, an anvil, an end tool mounting unit, a power supply unit, a temperature detecting unit, and a controller. The hammer is drivingly rotatable in...
US20120247796 CONTROL METHOD AND HAND-HELD POWER TOOL  
The hand-held power tool has a tool socket to hold a tool. A motor is coupled to the tool socket in order to drive the tool socket. The motor is arranged in a housing. The housing has a holder that...
US20130062087 Machine Tool System, Especially a Jigsaw System  
A machine tool, especially a jigsaw, is disclosed. Angle deviations from a set angle position of the working tool are detected as the actual angle is adapted to the set angle by rotationally...
US20130020102 Power Tools  
A typically battery-operated power tool, such as a chainsaw or hedge trimmer, comprising a working element (4), a motor (6) arranged to drive the working element (4) and a controller (9) arranged...
US20120279736 IMPACT TOOL  
According to an aspect of the present invention, there is provided an impact tool including: a motor drivable in an intermittent driving mode; a hammer connected to the motor; an anvil to be struck...
US20130092408 Semi-Active Anti-Vibration Systems for Handheld Electrical Power Tools  
An improved vibration dampening system has been developed for handheld electrical power tools. The vibration dampening system includes a material that a controller selectively activates with an...
US20120024552 Inverter Device and Electrical Power Tool  
An electrical power tool includes a motor, a load detecting unit, a trigger switch, and a power supplying unit. The load detecting unit detects a load applied to the motor. The trigger switch...
US20120260785 POWER TOOL SAFETY MECHANISMS  
A sensing mechanism (12) for detecting user contact with an active portion (26) of the power tool (10) is provided. In addition, a safety mechanism (14) for preventing prolonged user contact with...
US20110284254 INTERACTIVE TOOLS  
Interactive tools and methods are provided. A particular interactive tool set includes a portable handheld tool and an alignment tool. The portable handheld tool includes a selective drive system....
US20120267134 Handheld Tool, Handheld Tool Add-On Measuring Device and Handheld Tool Battery  
A handheld tool having a battery interface is described, in which a provision is made for the handheld tool to have at least one measuring device interface, which is provided to receive at least...
US20120111589 Hand-held power tool with an anti-theft device  
A control method for a hand-held power tool, in response to the actuation of a main switch of the hand-held power tool, carries out the following steps. An identification of transponders in the...
US20110079407 ROTARY STRIKING TOOL  
According to an aspect of the present invention, there is provided a rotary striking tool, including: a motor; an impact unit having a driving part being driven by the motor and an output part; a...
US20130058717 ARRANGEMENT FOR PROVIDING A PULSING COMPRESSIVE FORCE  
The invention relates to a soil compacting device having an exciter part (1), which has an unbalance exciter (2) for producing an intermittent exciter force and a contact surface (3) for...
US20110114345 HANDHELD POWER TOOL DEVICE  
The invention is based on a handheld power tool device, having at least one safety mechanism, which intervenes in an uncontrolled blocking situation, and which has a sensor unit. It is proposed...
US20130108385 CORDLESS MAGNETIC DRILL  
A cordless magnetic drill is disclosed. The drill comprises a control unit, a motor which is connected with the control unit, a gearbox which is connected with the motor, a power source which is...
US20120103643 CONTROL METHOD FOR A POWER TOOL AND A POWER TOOL  
A control method for a power tool and a power tool is disclosed. The control method has an operating mode and a safety mode. In the operating mode, a motor drives a tool receptacle in a rotating...
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 end...
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 driving...
US20090065225 SWITCHABLE ANTI-LOCK CONTROL  
A power tool can include a housing and a motor assembly in the housing. The motor assembly can include an output member and a motor for translating the output member. A kickback sensor can sample...
US20110091295 PORTABLE POWER DRILL WITH DRILLING IMPLEMENT ROTATING AND FEEDING MEANS  
A portable power drill comprises a housing, a drilling implement carrying drive spindle, and two individually powered and controlled motors for rotating and axially feeding the drive spindle. The...
US20130062088 IMPACT TOOL  
An impact tool including: a motor; a speed-reduction mechanism that reduces a torque of the motor; a hammer connected to an output portion of the speed-reduction mechanism; and an anvil that can be...
US20110284256 Power Tool  
A power tool has a motor, a power supply unit, a trigger unit, a control unit, and a motor load detection unit. The power supply unit supplies power to the motor. The trigger unit causes the power...
US20130025078 Personal Care Device  
A personal care device is disclosed. The personal care device includes an electrically powered driving unit for driving a working implement of the personal care device at a desired speed and/or...
US20130062086 POWER TOOL  
The present invention provides a power tool for tightening a fastener. The power tool includes a motor, a hammer, an anvil, and a control unit. The hammer is intermittently or continuously...
US20120312570 HAND-HELD POWER TOOL  
A hand-held power tool, in particular to a screwing device, includes a control device for controlling and/or regulating the tool movement of a tool holder and/or of a tool. The hand-held power tool...
US20110056713 SINGLE PIEZO-ACTUATOR ROTARY-HAMMERING (SPARH) DRILL  
A Single Piezo-Actuator Rotary-Hammering (SPaRH) Drill includes a horn actuator having high power piezoelectric materials and a flexure pre-stress to increase the actuators effectiveness. The drill...
US20110315414 Screwdriver and control method  
A control method for a screw including the following steps: a spindle (14) is driven by a motor (11) in order to turn a screw (19) around an axis of rotation (15). A magnetic field is generated...
US20070169952 INSTRUMENT FOR DISPATCHING SCREWS  
An instrument for dispatching screws is disclosed. The instrument includes a hollow body, a storage tube for keeping screws, a stopping mechanism, and a driving mechanism. The hollow body defines...
US20080185984 Power Tool and Overload Protection  
The invention relates to a power tool having a change-speed gear device comprising a plurality of gears (1, 2) for adjusting on demand power stages of a drive, wherein an overload protection can be...
US20100282482 SYSTEM FOR RELIABLE COLLABORATIVE ASSEMBLY AND MAINTENANCE OF COMPLEX SYSTEMS  
A system and method of tracking location and orientation of power tools utilized in the assembly and maintenance of complex systems is disclosed. The system can facilitate collaboration between...
US20120045976 HANDHELD ELECTRIC MACHINE TOOL  
A handheld electric machine tool is described including a housing with a grip area, a tool area for a tool that is drivable in a linear and/or oscillating manner, an operating part on the housing...
US20120318545 Hand-Held Power Tool  
A power-operated hand-held power tool, in particular a power tool comprising an oscillation drive for driving a tool in an oscillating manner, comprising at least one sensor for detecting...
US20110079406 METHOD AND DEVICE FOR TIGHTENING JOINTS  
An electric assembly device for tightening of fastener includes a housing and a rotation motor which is drivingly connected to an output shaft. The output shaft has a forward portion extending out...
US20120037385 ELECTRIC POWER TOOL POWERED BY A PLURALITY OF SINGLE-CELL BATTERY PACKS  
An electric power tool comprises a tool main body, a plurality of battery packs that is detachably attached to the tool main body, and a controller that controls discharges of the battery packs...
US20090205848 Powered driver and methods for reliable repeated securement of threaded connecters to a correct tightness  
A powered driver and methods are disclosed, the driver including a head having a gapped jaw and housing a motor driven drive transfer assembly for operating a rotatable split socket engageable at a...
US20090055028 System for Dynamically Controlling the Torque Output of a Pneumatic Tool  
Pneumatic tightening tools can be used for high speed assembly of critical bolts to precise loads by dynamically controlling the output power of the pneumatic tool during a tightening cycle using...
US20110120738 Rotary tool  
A rotary tool includes an externally operable operation switch; a motor serving as a power source; a power transfer block for transferring the rotation of the motor; a load detection unit for...
US20110073334 ROTARY STRIKING TOOL  
According to an aspect of the present invention, there is provided a rotary striking tool includes: a motor; an oil pulse unit that is driven by the motor; an output shaft that is coupled to the...
US20110114346 Power Tools  
Power tools are taught that may include, for example, means for detecting impact sounds generated, e.g. by a hammer strikes an anvil or by oil pulse from an oil unit. The detecting means may...
US20100229691 POWER WRENCH WITH REACTION BAR CONTROLLING MEANS  
A power wrench includes a housing divided into two parts which are rotatable relative to each other: a first part including a handle and a transverse section lodging a rotation motor, and a second...
US20110114347 HAND-HELD TOOL  
An effective technique for detecting several load conditions different in presence or absence and magnitude of load applied to a tool bit is provided in a hand-held tool. A hand-held tool 101...
US20120168189 Rechargeable Battery-Operated Screwing System with a Reduced Volume of Radio-Transmitted Data  
The disclosure relates to a method for using a rechargeable battery-operated screwing system which is suitable for establishing screw connections by means of a motor-driven working spindle. The...
US20130008676 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; determining a derivative of the input control variable;...
US20120273242 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; determining a derivative of the input control variable;...
Matches 1 - 50 out of 76 1 2 >