Match Document Document Title
9038743 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...
9038745 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...
9038744 Jet hammer  
An exemplary embodiment of the jet hammer includes an outer sleeve, impact assembly, and a valve assembly. The impact assembly is positioned in sliding relation to the outer sleeve to provide the...
9027665 Wireless small motor driver having rotation reduction gear  
A wireless small motor driver, in which power consumption is decreased by adjusting a gear ratio, the efficiency of an operation is increased due to a high torque, and the safety of a worker at...
9030145 Device and method for regulating an increase in the output torque over time of an electric drive motor  
A device for regulating an increase in the output torque over time of an electric drive motor, including a monitoring unit for monitoring an operating variable of the electric drive motor, a...
9027666 Machine tool, in particular handheld machine tool  
A power tool, in particular a hand-held power tool, preferably embodied as a cordless screwdriver, is equipped with a torque limiting unit in which the release torque is settable by way of a...
9023057 Impacting device and method  
An impacting device for inserting, positioning and/or removing an implant and/or performing other impacting applications. The impacting device may have a head having at least one recess. The...
9022137 Fastening tool  
A fastening tool is provided that incorporates, in an outer annular body into which a first nut is inserted to be driven to rotate, an inner annular body into which a first nut and a second nut...
9022136 Apparatus and method relating to fencing  
An apparatus and method for fencing in which a mobile apparatus has a plurality of posts held with wires passing through respective aligned holes and means to take a post at a time to an into the...
9022135 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...
9022138 Impact device having an impact mechanism lubricating device  
The invention relates to an impact device, having an internal combustion engine and an impact mechanism driven by the internal combustion engine. An engine lubricating device supplies lubricant to...
9016404 Ram boring device  
The invention relates to a ram boring device for creating horizontal boreholes, having an impact piston which moves in an oscillatory manner within a casing of the ram boring device and of which...
9016398 Disc-shaped torque transducer  
A power tool includes a motor having an output shaft that defines an axis, a drive train connected to the output shaft and operable to drive a tool output and a housing at least partially...
9016395 Impact tool  
An impact tool includes a housing, a motor supported in the housing and defining a first axis, an output shaft rotatably supported in the housing about a second axis oriented substantially normal...
9016394 Power tool  
A power tool includes a drive motor and at least one auxiliary device, which is coupled to the drive motor, for activating at least two different operating states. The drive motor and the at least...
9016397 Electric power tool suspending attachment and electric power tool equipped with the same  
A suspending attachment attached to a cylindrical housing of an electric power tool whose output shaft protrudes from a housing distal end includes a ring-shaped distal end portion fitted to the...
9016396 Percussion device and rock drilling machine  
A percussion device (5) for a rock drilling machine (1) including a percussive piston (6; 15) which is reciprocally movable inside a cylinder and an impact receiving element (7;16) with an impact...
9016672 Handheld working tool  
The present invention concerns a handheld working tool comprising a motor part (10), a handle part (20) comprising a handle grip (21), and at least one first type antivibration element (30)...
9010509 Ratchet drive for a ratchet wrench  
A powered ratchet drive for a ratchet wrench includes a pair of elongate pawls for driving an output member of the wrench. Each pawl may have a lower portion pivotally attached to a rocker and an...
9010453 Method for monitoring rotary shaft rotation speed fluctuation in machine tool, monitor apparatus, and machine tool  
In suppressing chatter vibration of a rotary shaft in a machine tool by fluctuating rotation speed of the rotary shaft, easy setting of a fluctuation parameter is realized. In a monitor apparatus...
9010454 Handheld work apparatus with switchable power  
The invention relates to a portable, handheld work apparatus such as a trimmer, a cut-off machine, a chain saw or the like, having a motor (5, 33) to drive a rotating, exchangeable work tool (13)....
9013398 Control methods for a multi-function controller  
In control methods for a multi-function controller, which includes a sensor having a ring operation region, the position of an object on the sensor is detected for generating a position...
9014933 Electric tool  
An electric tool has a housing, a motor disposed in the housing, an output shaft, a first planetary gear transmission mechanism, having a power input member, disposed between the motor and the...
9010457 Impact tool  
A hammer drill includes, in a cylinder accommodated in a housing, a piston configured to advance and retract and an impact element to operate together with the piston with an air chamber...
9010452 Vibration dampening system for a handle of a machine that vibrates, and method of dampening vibrations produced by a machine  
A multi-segmented handle built in tiers, with vibration isolators separating one tier from the other tiers. The tier that connects via isolators with a machine base is the one to which the other...
9010456 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...
9010455 Actuation apparatus for power tool  
When the mode change knob of a multi-mode hammer drill is moved to the hammer only position, an electronic sensor sends a signal to a control logic circuit. When the user then depresses the...
9004192 Electrical power tool  
An electrical power tool includes an electric motor as a drive source, and a speed change device for decelerating rotative power of the electric motor and outputting the same to a spindle. The...
9004114 Reinforcing bar binding machine  
A reinforcing bar binding machine is provided with a device for detecting a power supply voltage during a binding wire twisting step subjected to the heaviest load and comparing the power supply...
9004191 Power tool  
The invention relates to a power tool, such as an impact drilling machine, impact screwdriver, saber saws, grinders, or the like, comprising a housing. In the housing, an electric motor and an...
8997887 Power tool  
A power tool performs a predetermined operation by using a tool bit and has a grip part and a dust suction device. The dust suction device has a dust suction part that extends in an axial...
8998887 Medical instrument having a detachable handle  
The invention relates to a medical instrument for removing tissue, in particular a shaver, drill, or morcellator, having a tool that can be set in rotation and a motorized drive for driving the...
9000882 Electronic switching module for a power tool  
An electronic power apparatus is provided, including a circuit board having a conductive pads and a sense pad coupled to an output signal, and an actuator having a wiper portion accommodating a...
8991516 Electric tool  
An electric tool includes a gripping portion, a working portion rotatably connected to the gripping portion about an axis, an output shaft moving in a reciprocating manner and accommodated in the...
8991515 Fail-resistant hammer assembly for a valveless percussive drill  
In a valveless percussive drill of the hydraulic type and incorporating a hammer assembly, an “intermediate” shoulder between the head portion and cushion portion of a reciprocating piston engages...
8991517 Reaction force cushioning mechanism for an impact tool  
An impact tool includes a reaction force transmitting member, a first elastic member that biases the transmitting member forward, and a second elastic member that is pushed by the transmitting...
8991518 Portable power wrench with a gear casing and a parameter sensing device  
A portable power wrench is controlled by an operation control unit and comprises a housing (10;50) with a rotation motor, a gear casing (15;55) including a gearing (18;56,57) and a drive spindle...
8985908 Device meant for forcing piles into the ground  
Forcing equipment meant for forcing piles, steel profiles and other elongated objects into the ground which forcing equipment comprises a body (1) which can be attached to a working machine, a...
8985239 Drilling derrick and apparatus base assembly  
An improved base structure for a derrick mast of a pivotal portable drilling rig structure provides at least two A-frame support members affixed to a rig side of the derrick mast, the drilling rig...
8985238 Drilling rig with hinged, retractable outriggers  
A mobile drill rig includes a frame structure and a plurality of hinged outriggers that are adapted to be retractable to a substantially vertical position during a drilling operation and...
8988019 Electric operating machine  
An electric operating machine comprising a motor and a power circuit driving the motor by the electric power supplied from a battery. The power circuit comprises a voltage conversion part...
8985237 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...
8985241 Articulating drill with integrated circuit board and method of operation  
The present invention is an articulating hand power tool with a main housing having a longitudinal axis, a head portion rotatably engaged with the main housing for placement at a plurality of...
8985236 Handheld power tool  
A handheld power tool is disclosed. The handheld power tool has a drive oscillating along a working axis and a vibration damper. The vibration damper has a mass element suspended in a spring...
8985240 Handheld drive device  
The present invention provides a handheld driver having a housing with a handle and a trigger that drives a set of gears to rotate a shaft having a fitting for a socket, screwdriver bit or drill bit.
8985235 Anti-vibration structure for a handle of a portable brush cutter  
According to one embodiment, there is provided an anti-vibration structure for a handle of a portable brush cutter, the structure including: a pole; an operation unit provided at a front portion...
8978781 Dust shroud for power tools  
A dust shroud assembly for a power tool includes a shroud portion, a barrel, and a helical spring. The barrel includes an upper portion slidably received within a first end portion of the shroud...
8978780 Handheld power tool having a shiftable mechanism  
A handheld power tool with a shiftable mechanism, which is adjustable between two operating positions, has a coupling spring that is coupled with an adjustable shifting member of the mechanism....
8973455 Electric drill forward and reverse rotation automatic switching apparatus  
An electric drill forward and reverse rotation automatic switching apparatus includes: a gearbox, a first-stage gear, a first-stage gear shaft, a second-stage gear, a second-stage gear shaft, a...
8967244 System and method for steering in a downhole environment using vibration modulation  
A system is provided for communicating within a borehole using controlled vibrations. A movement mechanism uses mechanical energy provided by a mechanical energy source to enable translational...