Matches 1 - 50 out of 115 1 2 3 >


Match Document Document Title
US20150129268 HAND-HELD POWER TOOL DEVICE  
A hand-held power tool device is described which includes an output unit, a striker, and a rotary percussion receiver which is designed for establishing a transfer of rotary percussions between...
US20140054056 HANDHELD POWER TOOL  
A handheld power tool has a switchable gear component actuatable by a selector switch. The gear component moves from a first operating position into a second operating position. The selector...
US20120186842 DRILL HAMMER AND/OR CHIPPING HAMMER DEVICE  
A drill hammer and/or a chipper hammer device includes a hammer mechanism having a drive unit and a transmission unit. The transmission unit transmits a drive torque from a motor to the hammer...
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...
US20080169111 Drill Hammer With Three Modes of Operation  
A hammer drill (10), consisting of a housing (12), accommodating the parts mentioned below and assembled in particular from half shells (13, 14), a motor (16) with an on/off switch (18) and with a...
US20080073092 MECHANICAL PERCUSSION MECHANISM  
A mechanical percussion mechanism for a percussion drive of a tool insert in a handheld power tool has a rotatably supported drive shaft, a percussion body connected to the drive shaft in a manner...
US20130161042 HAND-HELD TOOL DEVICE  
A hand-held tool device having at least one operating device via which the at least one first transmission ratio and one second transmission ratio and a percussion drilling mode are able to be...
US20150083451 POWER TOOL  
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...
US20150047866 ELECTRIC TOOL AND FASTENING METHOD USING THE SAME  
An electric tool in which a pulsating input voltage is configured to be supplied to a drive circuit of a motor, the electric tool including: a rotation speed detection unit configured to detect a...
US20090008113 Post Driver  
A post driver has a housing of tubular form extending substantially vertically, and weight telescopically mounted within the housing for movement between an extended position raised above the...
US20090126955 Hammer drill with hard hammer support structure  
A drill housing supports an output spindle comprising a material that is relatively soft. The non-rotating hammer member can be mounted around the output spindle, adjacent its forward end, and...
US20150158169 Rotary Hammer  
A hammer/drill includes a housing, a motor with armature shaft, a spindle rotatably mounted about a longitudinal axis in the housing, a tool holder rotatingly driven by the motor about the...
US20130161043 HAND TOOL DEVICE  
A hand tool device includes: a striking mechanism which has a striker, a striker driving device, and a striker arresting device. In the case of a first drill rotation direction, the striker...
US20120241183 POWER TOOL  
The present invention relates to a power tool, including a housing, a motor, and a speed adjusting system decelerating the rotate rotation speed of said motor. The speed adjusting system comprises...
US20110247848 Hand-Held Power Tool  
A hand-held power tool, particularly a hammer drill, includes a work spindle, a hand-held power tool housing and an intermediate shaft, which is arranged in parallel to the work spindle and...
US20070007024 Vibration drill unit  
A vibration drill unit capable of obtaining an intensive drilling force. The vibration drill unit includes a first ratchet, anon-rotatable second ratchet having a claw engageable with the claw of...
US20090288850 Percussion Toggle Device of a Percussion Driller  
This invention discloses a percussion toggle device of a percussion driller. It includes bottom ratchet wheel that joggles the top ratchet wheel fixed in the output main shaft of the percussion...
US20100163260 Drilling and/or Percussive Hammer with No-Load Operation Control  
A drilling and/or percussive hammer comprises a handle (10) and a hammer housing (1), which can move relative to the handle (10) and inside of which, among other things, a pneumatic spring...
US20120175140 HAND-HELD POWER TOOL  
In a hand-held power tool, in particular an impact drill driver, having a gearbox assemblage, a hammer impact mechanism, and a tool spindle, the gearbox assemblage includes at least one gear stage...
US20050150669 Driver drill  
A driver drill that can effectively prevent erroneous clutch operation in a drill mode is provided. A flat washer positioned between steel balls for locking an internal gear and a coil spring is...
US20070107920 Motor driven drilling hammer  
The invention concerns a motor-driven drilling hammer with percussion and rotary drive, and a drill sleeve (14) which is disposed in a housing and is drivingly connected to a tool or a chuck for...
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...
US20100000750 Impact Wrench  
The invention relates to an impact wrench having a drive motor for driving a drive shaft (30) and an output shaft (10) that can be coupled to a tool holder, and having an impact mechanism, the...
US20060237205 Mode selector mechanism for an impact driver  
A mode selector mechanism is provided for a rotary power tool for selecting between an impact mode and a drill mode. The power tool includes a housing, a motor oriented in the housing, an input...
US20120152579 Electric handheld machine tool  
An electric handheld machine tool includes: a tool spindle driven by an electric motor; a gearing situated between the tool spindle and the electric motor; and a manually adjustable operating...
US20110186317 MANUALLY OPERATED HAMMER DRILL  
A manually operated hammer drill (1) includes a spindle (3) that drives a chuck (5) in a rotary manner about an axis of rotation (6) in a drilling mode, and includes a pneumatic hammer mechanism...
US20100218965 ROTARY SWITCH  
A rotary switch for shifting a switch element is disclosed. The switch includes a twist handle, a torsion spring, a rotatable actuating element and a common axis. The twist handle, the torsion...
US20140262394 IMPACT TOOL  
An impact tool includes a housing, a motor having an output shaft defining a first axis, a drive shaft rotatably supported by the housing about a second axis oriented substantially normal to the...
US20060243468 Hand-held power tool hammer mechanism  
A hand-held power tool hammer mechanism, having a hammer device, can be driven by a piston via a gas volume. The hammer device has at least one decoupling element, which is provided for...
US20130112446 Handheld power tool having a drive motor operable via a manual switch  
In a handheld power tool having a drive motor operable via a manual switch for driving a drive body which is associated with a mechanical percussion mechanism and coupled to a percussion member...
US20070084614 Combination drill  
A clutch bypass for a combination drill has a gearbox connected to a motor and an output spindle. The gearbox includes a ring gear. A clutch mechanism is coupled with the gearbox to selectively...
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...
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...
US20120132451 Hammer mechanism  
A hammer mechanism is described as having a snap die, a tool chuck drive shaft, and an impact generating shutoff unit, which has a blocking element, which is provided for the purpose of preventing...
US20100326686 ROTARY POWER TOOL OPERABLE IN EITHER AN IMPACT MODE OR A DRILL MODE  
A rotary power tool operable in either an impact mode or a drill mode comprising a driveshaft (10), an output shaft (32), a hammer (18) coupled to the driveshaft (10) for transmitting torque to...
US20090126956 Multi-mode hammer drill with shift lock  
A shift bracket can be mounted on a shift rod for movement between a first, high-speed drilling mode and a second, low-speed drilling mode. Cooperating shift lock surfaces can be associated with...
US20140054057 ROTARY HAMMER  
A rotary hammer is adapted to impart axial impacts to a tool bit. The rotary hammer includes a motor, a spindle coupled to the motor for receiving torque from the motor, and a piston at least...
US20070181319 Impact rotary tool with drill mode  
An impact rotary tool is provided that is switchable between an impact mode where the tool delivers an impacting torque on an output tool and a drill mode where the driver delivers a smooth output...
US20090200054 Power tool with a rotating and/or hammering drive mechanism  
A handheld power tool has a housing, a tool receptacle, a motor having a motor shaft, an intermediate shaft, an element for transmitting a rotation of the motor shaft to a rotary motion of the...
US20150075828 HANDHELD TOOL DEVICE  
A handheld tool device includes a hammer mechanism that has at least a striker and a cam guide that drives the striker at least in a hammer-drilling mode. The striker has at least a portion of the...
US20140110140 HAMMER DRILL  
A hammer drill includes a housing, a first ratchet fixed to the housing, a spindle rotatably supported by the housing about an axis, and a second ratchet coupled for co-rotation with the spindle....
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...
US20120097408 HAND-HELD POWER TOOL  
In a hand-held power tool, in particular an impact drill driver, having a torque setting unit, a gearbox assemblage, a hammer impact mechanism, and a tool spindle, the hammer impact mechanism has...
US20090126957 Multi-mode drill with mode collar  
A drill includes a housing and a motor coupled to an output member by a transmission. The transmission can selectively couple the output member to an output spindle through a low speed output gear...
US20070201748 Housing and gearbox for drill or driver  
A power tool including a motor, an output member and a transmission disposed between the motor and the output member. The transmission includes a ring gear with opposite axial end faces. The power...
US20150014009 Hammer Drill  
A hammer drill comprises a motor including an output shaft, a shaft assembly rotationally engaged therewith, a hollow spindle, and a hammer mechanism comprising a piston arranged for reciprocating...
US20090223690 Impact tool  
An impact tool includes: a spindle disposed in a housing; an anvil disposed in front of the spindle and rotatably supported by the housing through a metal bearing, a rear surface of the anvil...
US20090151966 Switching Device For Impact Power Tool  
A switching device for an impact power tool includes an input unit, a clutch unit, an output unit and a spring. The clutch unit is cooperated with the spring and located between the input unit and...
US20150231777 HAND POWER TOOL AND DRIVE TRAIN  
A drive train for supplying power to a power tool may include, a motor, a motor shaft, a rotational coupling mechanism connected to the motor shaft, and a drive shaft connected to the rotational...
US20110011606 IMPACT ROTARY TOOL WITH DRILL MODE  
An impact rotary tool is provided that is switchable between an impact mode where the tool delivers an impacting torque on an output tool and a drill mode where the driver delivers a smooth output...

Matches 1 - 50 out of 115 1 2 3 >