Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 8141654 | Quick assembly pneumatic tool A quick assembly pneumatic tool may be connected to a tool bit and has a housing, an anvil casing, a rear cover, an air inlet assembly, a rotor assembly and an impact assembly. The housing has a handle and a rotor casing. The rotor casing is formed on the handle and... | 03/27/2012 |
| 7958945 | Pneumatic tool with sectional adjustment of torsional force The present invention provides a pneumatic tool enabling sectional adjustment of torsional force, including a main body and a cylinder mounted into the accommodation space of main body. The cylinder is fitted with air vents and also a rotor. A plurality of exhaust h... | 06/14/2011 |
| 7938195 | Impact wrench with a lubricated impact mechanism An impact wrench includes a housing, a rotation motor, an output shaft, and an impact mechanism including an inertia drive member with an impact chamber, a drive socket coupling the drive member to the motor, and anvil formed integral with an output shaft and extend... | 05/10/2011 |
| 7647986 | Tool The invention relates to a tool (1), in particular an impact wrench, with a pulse unit (6) having a hydraulic impact mechanism (7) and a drive unit (24). The working volume (5) can be connected within the hydraulic impact mechanism... | 01/19/2010 |
| 7510023 | Impact assembly for a power tool An impact assembly is used for a power tool having a chamber, a handle and a rotary driver mounted in the chamber near the handle and having a driving shaft. The impact assembly has a hammer frame, at least one hammer, two hammer pins and an output axle. The hammer ... | 03/31/2009 |
| 7484569 | Pulse tool A pulse tool, in particular a pulse nutsetter, has at least one pneumatic drive unit with a drive rotor and a pulse unit driven by the drive unit, wherein a delay-dependent inertial cut-off device is assigned to the drive unit for the interruption of the air feed on... | 02/03/2009 |
| 7455121 | Power tool A power tool includes an impact damping mechanism for damping an impact in a direction of rotation of a speed reduction mechanism portion 8. ... | 11/25/2008 |
| 7438140 | Shock attenuating device for a rotary impact tool A shock attenuating coupling device is provided for a rotary impact tool for drivingly connecting a hammer mechanism to a drive anvil. The shock attenuating coupling device includes a first coupling member, a second coupling member, a drum, a shoe, and a body of res... | 10/21/2008 |
| 7424919 | Method for determining the angular movement of the output shaft of an impulse nut runner at tightening a screw joint A method for determining the angular displacement of the output shaft (φ0) of an impulse nut runner at tightening a screw joint to a predetermined final torque level (Tf) by an impulse nut runner having a motor driven impulse unit (23) ... | 09/16/2008 |
| 7416031 | Impact tool An impact tool comprising a motor, a hammer 8 that is rotated and axially moved by a drive force of the motor, an anvil 3 that repeats engagement/disengagement from the hammer 8 accompanying rotation and axial movements of the hammer 8, a... | 08/26/2008 |
| 7404450 | Pneumatic rotary tool A pneumatic rotary tool has a housing formed primarily from plastic so that the weight and price of the tool are substantially reduced. The air motor is formed for economic assembly while permitting greater structural stability should the housing deflect under an im... | 07/29/2008 |
| 7398836 | Pneumatic power tool with adjustable exhaust air outlet detector A pneumatic power tool includes a housing, a motor, a pressure air inlet passage, an exhaust air outlet passage, and an exhaust air outlet flow deflector. The exhaust air outlet flow detector includes an outlet piece with radial as well as axial outlet openings and ... | 07/15/2008 |
| 7395873 | Power tool A power tool includes a grip portion having a vertically extending axis; a main body provided at a top end of the grip portion and having an axis intersecting the vertical axis; a motor; an output portion projecting from the grip portion and rotatingly driven by the... | 07/08/2008 |
| 7377331 | Damping driving axle A damping drive axle includes an output shaft divided into a first portion and a second portion, a mounting seat having a centrally defined hole, a first compartment to correspond to and receive therein the first portion of the output shaft and a second compartment ... | 05/27/2008 |
| 7357195 | Power tool and gear unit assembled therein A power tool including a gear unit provided with a load moderating mechanism capable of reducing noise and prolonging service life. A coupling is force fitted with a spindle at a predetermined pressure allowing the spindle and the coupling to rotate relative to each... | 04/15/2008 |
| 7331404 | Lubrication system for impact wrenches A lubrication apparatus, system and method for a tool is disclosed. The tool includes a rotating impact assembly and the lubrication apparatus, system and method directs lubricant from a radially outward position to a radially inward position in the impact assembly.... | 02/19/2008 |
| 7325627 | Air tool A center portion of a handle housing portion 3 is arranged with a pressure reducing valve mechanism portion 50 for reducing a pressure of high pressure compressed air to be surrounded by an exhaust chamber 40, in a state of making a trigger 3... | 02/05/2008 |
| 7316341 | Adjustable exhaust assembly for pneumatic fasteners An adjustable exhaust assembly for a pneumatic fastener includes a base, which includes a base plate and a protrusion protruding from the base plate. The protrusion is centrally hollow and includes an inner surface and an outer surface. The base plate includes an in... | 01/08/2008 |
| 7267512 | Power assisted drill press A power assisted drill press having a feed cylinder fed by a variable pressure regulator which allows a user to controllably feed a bit and work material together while activating a drill motor to rotate the bit. An embodiment of the power assisted drill press utili... | 09/11/2007 |
| 7258048 | Manually operated impact wrench A manually operated impact tool is provided and includes: an impact mass; an anvil rotatably disposed relative to the impact mass; an input member operatively connected to one of the impact mass and anvil mass for imparting a relative rotation between the impact mas... | 08/21/2007 |
| 7255029 | Manually operated impact tool A manually operated impact tool having: a handle; an anvil movably connected to the handle, the anvil having an anvil surface, the anvil further having a fastener engagement portion for engaging a fastener to be loosened or tightened, the fastener engagement portion... | 08/14/2007 |
| 7255257 | Pneumatically operated power tool having mechanism for changing compressed air pressure A pneumatically operated power tool such as a screw driver, a nail gun and an impact wrench those being driven by a pneumatic pressure. A pressure reduction valve is provided between a connector connected to a compressor and a compressed air chamber defined in an ou... | 08/14/2007 |
| 7255546 | Spindle for a vane motor The spindle of a vane motor is designed to enhance the power, speed and torque by undercutting the spindle adjacent to the vanes on the power stroke side to increase the working area of the vanes and by adding slots intermediate the vane formed in said spindle and e... | 08/14/2007 |
| 7237622 | Pneumatic tool having pressure release device A pneumatic tool includes a rotor rotatably received in a housing, a driving shank coupled to the rotor, for being rotated by the rotor and by a pressurized air and having one end for driving a fastener. A pressure releasing device may release the pressurized air af... | 07/03/2007 |
| 7237621 | Driving device A driving unit comprises a pneumatic head for being combined to a pneumatic tool; a front end of the pneumatic head being installed with a push rod; a driving unit having a slender driving rod at a front end thereof; the push rod serving to push the driving unit; an... | 07/03/2007 |
| 7225884 | Hand power tool, in particular drilling screwdriver A hand power tool has a tool spindle rotatable by a drive train, a cam device located in the drive train and having two cam discs in engagement with one another for transmitting axial percussion motions to the tool spindle, an overloading coupling located in the dri... | 06/05/2007 |
| 7222862 | Tool holder A tool holder for a power tool, in particular a drilling and/or hammering tool comprising a manually actuable sleeve (40) wherein components of the tool holder are held within the sleeve by a snap ring (100) which snap ring is fitted within the sleeve.... | 05/29/2007 |
| 7222680 | Pneumatic motor improvements and pneumatic tools incorporating same A pneumatic motor having a motor chamber having an inner surface with an eccentric longitudinal axis, a motive gas fluid inlet, and at least one end wall located transversely to the longitudinal axis with an exhaust aperture located therethrough. A rotor is rotatabl... | 05/29/2007 |
| 7213659 | Impact drill An impact drill includes a first ratchet together with a spindle and movable in an axial direction, and a second ratchet engageable with the first ratchet. The second ratchet can be moved in the axial direction, and rotated with a predetermined range in a rotational... | 05/08/2007 |
| 7213500 | Pneumatic tool A pneumatic tool includes a shell defining first, second, third and fourth communicating spaces, a channel communicated with the second space, an inlet communicated with the channel, and an outlet communicated with the second space. A cylinder in the first space def... | 05/08/2007 |
| 7207394 | Intermediate and assembly assistance components for fluid driven tools and tools incorporating the same A flow guide configured for insertion in a cavity defined between an outer housing and a nested inner motor housing of a fluid driven tool. The flow guide defines a longitudinal axis and includes at least two longitudinal portions disposed parallel to the longitudin... | 04/24/2007 |
| 7204402 | Pneumatic tool with as-cast air signal passage A fastener driving device includes a housing containing a chamber for storing compressed air a cylinder structure disposed within the housing, a piston movably disposed within the cylinder, a driver connected to the piston, a main valve cooperable with the cylinder ... | 04/17/2007 |
| 7198116 | Wholly air-controlled impact mechanism for high-speed energy-accumulating pneumatic wrench A wholly air-controlled impact mechanism invented for creating a more compact and powerful pneumatic wrench comprises a flying hammer, a pressure impulse generator and a pressure container containing the hammer and the generator. The main part of the flying hammer i... | 04/03/2007 |
| 7194939 | Pneumatic wrench having reinforced strength A pneumatic wrench includes a pneumatic motor, a striking mechanism, and a drive shaft. The striking mechanism includes a support seat, a cam, a cover, and a hammer. Thus, the pivot shaft of the hammer has two opposite sides each formed with a reinforcing rib to rei... | 03/27/2007 |
| 7191848 | Rolling hammer drill A hammer drill with rolling contact at the contact surfaces for transmission of axial force between a drive shaft and wave race. By using roller bearings, line contact is obtained. The area of contact is thus close to zero as opposed to a relatively large area in en... | 03/20/2007 |
| 7185713 | Air-driven screwdriver performs hole drilling, thread tapping and bolt tightening A novel air-driven screwdriver is integrally designed to perform three functions, hole drilling, thread tapping and bolt tightening with special characteristic in which a passive inner gear assembly is employed as a driver to replace the clutch as used by the prior ... | 03/06/2007 |
| 7182351 | Crawling aid for handicapped infants A crawling aid for infants having a partial disability provides a cushioned platform to support the body of the infant. The platform has wheels, including at least one caster, to render the platform maneuverable. Portions of the platform are narrow to allow the infa... | 02/27/2007 |
| 7182149 | Pneumatic wrench having reinforced strength A pneumatic wrench includes a pneumatic motor, a striking portion, and a drive shaft. The striking portion includes a support seat, a first pin, a second pin, a first hammer, and a second hammer. Thus, the locking strip of the first hammer and the locking strip of t... | 02/27/2007 |
| 7174971 | Clockwise or counterclockwise rotation control device of a pneumatic tool The present invention discloses a clockwise or counterclockwise rotation control device installed to a pneumatic tool uses pressurized air as power. The pneumatic tool comprises a main body of the pneumatic motor module, a rear cover module disposed at a rear end of... | 02/13/2007 |
| 7165631 | Pneumatic wrench having enhanced strength A pneumatic wrench includes a pneumatic motor, a striking portion, and a drive shaft. The striking portion includes a support seat, a first hammer, and a second hammer. Thus, the first hammer and the second hammer are driven by the fixed pins and the movable pins of... | 01/23/2007 |
