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Tool driving or impacting November recently filed with US Patent Office 11/09

20090288849 - Air compressor and method for controlling the same: An air compressor includes: a tank portion for reserving compressed air used in a pneumatic tool; a compressed air generation portion for generating compressed air and supplying the compressed air to the tank portion; a drive portion including a motor for driving the compressed air generation portion; a control circuit... Agent: Mcginn Intellectual Property Law Group, PLLC

20090288850 - 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 driller, the locking ring used to lock the rotating direction of bottom ratchet wheel, the ejector rod to eject... Agent: GlobalIPServices

20090288851 - Driving tool: In a driving tool, a diameter of an intermediate member is enlarged to increase a mass of the intermediate member and an outside diameter of a cylinder at a position where the intermediate member is internally provided is enlarged in accordance with the enlarged diameter of the intermediate member. Further,... Agent: Drinker Biddle & Reath (dc)

20090283282 - Electric hand-held power tool appliance: The invention relates to an electric hand-held power tool appliance, comprising a first housing part (14), in particular for accommodating a transmission and/or a drive motor for a tool, and comprising a second housing part (16), for constituting a handle (18) for guiding the electric hand-held power tool appliance (10),... Agent: Central Coast Patent Agency, Inc

20090283283 - Vibration-damped holder for additional handle: A damper for mounting between a power tool, having an axis of vibration, and a handle. The damper includes a damping arrangement for damping impacts and a spacer. The spacer is dimensioned so that, when the damper is mounted to the power tool, a ratio of a first distance between... Agent: Knobbe Martens Olson & Bear LLP

20090283284 - Pnuematic drifter with replaceable foot pieces: Pneumatic drifters containing a drifter cylinder with removable feet and associated methods for using the pneumatic drifters are described. The removable feet are connected to feet pad of a drifter cylinder with multiple fasteners. The mating surfaces of the feet and the feet pad are provided with complimentary features that... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090283285 - Pneumatic impact tool: A ground piercing tool as according to the invention has a front head assembly mounted on a bit shaft. A mid-portion of the bit shaft is mounted between front and rear chambers. Compressed fluid is supplied to the front chamber to form a gas spring that prevents the bit shaft... Agent: Philip G. Meyers Law Office Suite 300

20090283286 - Power tool: A power tool with a drive motor and a drive belt guided about a drive pulley and an output pulley has a tool driven by the drive motor through the drive belt. A tensioning device is provided that changes a spacing between the drive pulley and the output pulley and... Agent: Gudrun E. Huckett Draudt

20090277657 - Drilling and/or striking hammer with a lubricating device: Disclosed is a drilling and/or striking hammer that includes a lubricating device having a lubricant reservoir and a volume of lubricant contained therein. The lubricating device conveys lubricant to at least one a transmission system within the hammer's housing, a percussion system, and/or a tool holder at a variable dosing... Agent: Boyle Fredrickson S.c.

20090277658 - Variable speed tool and variable speed control method: The present invention has disclosed a variable speed tool and a variable speed control method. The tool includes a switch; a gearbox housing; a motor; an outputting shaft; a multistage transmitting gear train and a gearshift ring which are mated with the motor and the outputting shaft, the gearshift ring... Agent: Kirton And Mcconkie

20090277659 - Hammer drill: A hammer drill for manually guided operation includes an electric drive motor, a tool spindle and a pneumatic hammer function. The hammer drill includes a pressure piston, a striker, and a beat piece for striking axially against a tool that is held by the tool spindle. When the striker reaches... Agent: Carlson, Gaskey & Olds, P.C.

20090277660 - Electric power tool with swivelled cable connection: An electric power tool having a housing, a motor, a jack for receiving a connection plug of an electric cable, and a swivel unit mounted on the housing and carrying the jack, wherein the swivel unit includes a first head mounted on the housing for rotation about a first axis,... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090272553 - Hand-held power tool with a vibration-damped handle with a switch: The invention relates to a machine tool (2), in particular a hammer drill and/or percussion hammer, comprising a housing (4) and an at least partially hollow U-shaped bow-type handle (10) with a yoke part (24) and two parallel leg parts (26, 28), which are movably and resiliently supported with respect... Agent: Michael J. Striker

20090272554 - Motor assembly for pneumatic tool: A motor arrangement for a pneumatic tool includes a motor cylinder defining a motor chamber, an inlet passage adapted to receive a flow of motive fluid, forward and reverse passages communicating with the motor chamber, a throttle port, and at least one exhaust port. A motor rotor rotates in a... Agent: Michael Best & Friedrich LLP

20090272555 - Pulse machine, method for generation of mechanical pulses and rock drill and drilling rig comprising such pulse machine: According to one aspect of the invention hydraulic pressure pulses are created in a rock drill machine utilizing a rod (7, 7a, 7b) made of a magnetostrictive material arranged in one or more actuators (5, 5a, 5b), which exposes an impulse piston (3) in a pulse cylinder (1) to said... Agent: Mark P Stone Attorney At Law

20090272556 - Angle head and bevel gear for tool: An angle head for use with a power tool includes an angle housing defining first and second non-parallel axes and a pinion shaft supported within the angle housing for rotation about the first axis. The pinion shaft has a first end that includes a plurality of pinion teeth, and a... Agent: Michael Best & Friedrich LLP