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| Number | Title | Issue Date |
| 8141463 | Hand tool for adjusting torsion A hand tool for adjusting torsion includes a cap. A spindle assembly is fixed to the cap. A tubular adjusting seat is sleeved on the spindle assembly. The adjusting seat has a sliding groove axially spirally defined in an outer periphery thereof. At least one ball i... | 03/27/2012 |
| 8122794 | Torque socket assembly A torque socket assembly includes a base which has a receiving hole defined therein. A tube sleeves on the base. The tube has a first portion and a second portion. The first portion has a recess defined in an outer periphery thereof. The first portion partially slee... | 02/28/2012 |
| 8104383 | Torque socket assembly A torque socket assembly includes a first connecting portion which has a positioning hole and a fitting hole respectively defined in two ends thereof. A second connecting portion which has a driving hole and a receiving hole respectively defined in two ends thereof.... | 01/31/2012 |
| 8096214 | Ratcheting head with internal self-locking adapter related applications A ratcheting assembly for a tool comprising a housing, a gear supported by a hollow shaft located in the housing and a pawl to engage the gear. A ring in contact with the housing allows adjustment of the ratcheting assembly. The assembly can the releasably lock the ... | 01/17/2012 |
| 8065940 | Torque application device A torque application device according to the present invention comprises a collar for engaging a fastener, a grip coupled to the collar such that a predetermined maximum torque can be applied to the collar to tighten the fastener, and a slip mechanism to prevent the... | 11/29/2011 |
| 8051751 | Lockable torque-limiting driver A lockable torque-limiting driver includes a body and a sleeve received in a sleeve chamber of the body and secured therein by recesses inside the body. The sleeve is provided with projecting edges on the outer wall to be respectively fitted in the recesses of the b... | 11/08/2011 |
| 7992472 | Torque limiting and ratcheting driver and assembly A torque-limiting and ratcheting driver. The drive comprises a handle having an enclosed end and an open end, which houses a drive assembly. The drive assembly comprises a drive shaft, a drive clutch member and a camming clutch member supported by the drive shaft. T... | 08/09/2011 |
| 7938046 | Torque-limiting device A torque-limiting driver has a handle, a body, a torque-limiting assembly and a work-piece engaging tip. The torque-limiting assembly includes an upper and lower shank that have a plurality of teeth circumferentially spaced. The teeth have a vertical face, an inclin... | 05/10/2011 |
| 7861623 | Screw fastening machine It is an object of the invention to provide an effective technique for preventing loss of a screw fastening depth regulating member removed from a machine body in a screw fastening machine. A representative screw fastening machine includes a machine body, a motor, a... | 01/04/2011 |
| 7793573 | Torque limiting driver and assembly A torque-limiting driver. The driver comprises a handle having a housing, a drive assembly located the housing. The drive assembly comprises a drive, a drive clutch member supported by the drive shaft and secured to the housing, a camming clutch member supported by ... | 09/14/2010 |
| 7762164 | Torque-limiting device A torque-limiting driver has a handle, a body, a torque-limiting assembly and a work-piece engaging tip. The torque-limiting assembly includes an upper and lower shank that have a plurality of teeth circumferentially spaced. The teeth have a vertical face, and incli... | 07/27/2010 |
| 7669507 | Tightening tool It is an object of the present invention to provide a technique for appropriately providing not only for normal rotation but for reverse rotation in a tightening tool having a clutch. Representative tightening tool according to the invention comprises a body,... | 03/02/2010 |
| 7581471 | Over torque proof socket A torque adaptor includes a body, a driving portion that rotates with respect to the body when a threshold torque is exceeded, a receiving portion engageable with a workpiece, and a gear plate that drives the receiving portion. The gear plate is driven by the drivin... | 09/01/2009 |
| 7490535 | Wrench This invention is about a device used for installing a fixing nut on the targeted objects-multiple fixing screw axes protruded from the hub or for separating them from the targeted object or the fixing screw axis in order to fix vehicle's tire wheel to the hub when ... | 02/17/2009 |
| 7487700 | Lockable torque-limiting driver and method A lockable torque-limiting driver that includes, a body, a sleeve, a shaft carried by the body for rotation relative thereto and having a fastener-engaging tip at one end that projects from the body, a torque-limiting mechanism coupled to the shaft and housed within... | 02/10/2009 |
| 7484442 | Torque adjustable screwdriver having a torque indicator A torque adjustable screwdriver having a torque indicator comprises a holding portion including a handle, a spring and a stopper which are received in the handle. An operation unit has a ratchet unit, a rotary rod, an exposed post, and a screwdriver head. The rotary... | 02/03/2009 |
| 7475619 | Over torque proof socket A socket includes a body having a driving portion, a receiving portion engageable with a rotatable workpiece, a first gear portion capable of being operatively driven by rotation of the driving portion in a fastening direction and an opposite releasing direction, a ... | 01/13/2009 |
| 7441480 | Disposable battery powered screw driver, locking mechanism, and accessories In accordance with one embodiment of the present invention, a driver may include an electric motor coupled to a bit interface. The bit interface may include a generally cylindrical body having first and second hollow portions. The first hollow portion may be on one ... | 10/28/2008 |
| 7431136 | Hand power tool with a clutch A hand power tool has a clutch, a motor, a drive shaft located at a side of the motor, a driven shaft to be located at a side of a workpiece, a clutch which couples the drive shaft and the driven shaft and enters into engagement when pressure is exerted on the drive... | 10/07/2008 |
| 7406900 | Tension alert hand tool A tension alert hand tool comprises a driving portion being installed with a buckling unit; the buckling unit being installed with an elastic unit; a handle being formed with a receiving groove for receiving the buckling unit and the elastic unit; a surface of the h... | 08/05/2008 |
| 7371955 | Drum tuning key A drum tuning key comprises a handle portion, a barrel portion defining an axis connected to the handle portion, the barrel portion having internal walls defining a cavity extending inwardly along the axis from an end of the barrel portion, the cavity being square i... | 05/13/2008 |
| 7334647 | Rotary tool An overload clutch assembly for a power tool having two torque settings through which rotary drive is transmitted to a spindle. The overload clutch assembly is capable of being between switched between the two torque settings by at least one actuator. The clutch ass... | 02/26/2008 |
| 7334509 | Torque limiting driver and assembly A method for assembling a torque-limiting driver, and the resulting drive. The method comprises the steps of providing a handle having a housing, drive assembly, and a testing assembly. The drive assembly is assembled, inserted into the testing assembly and calibrat... | 02/26/2008 |
| 7318691 | Tool apparatus for milling machine The present invention provides an automated-torque controlled tool for attachment to a milling machine. The tool comprises an elongated hollow housing defined by a neck section, a middle section, and a bottom section. The neck section is adapted to engage a spindle ... | 01/15/2008 |
| 7281459 | Torque regulating assembly A torque regulating assembly includes a first tubular shell having at least one groove disposed along the longitudinal axis of the first tubular shell and a second tubular shell having at least one aperture, wherein the first tubular shell is screwed into the second... | 10/16/2007 |
| 7281458 | Transmission member with torque-restricting protective structure A transmission member with torque-restricting protective structure, including: a first transmission section; a second transmission section kept spaced from the first transmission section by a predetermined distance; a first chucking section connected with the first ... | 10/16/2007 |
| 7275467 | Tracing mechanism of torque adjustable wrenches A torque adjustable wrench includes an adjusting rod extending from an end of the shank of the wrench and a first toothed surface are longitudinally defined in an outer periphery thereof. A longitudinal positioning groove is defined in the adjusting rod to form a bl... | 10/02/2007 |
| 7272999 | T-handled torque-limiting driver A torque-limiting driver includes a housing, a shaft carried by the housing for rotation relative thereto and having a workpiece-engaging tip projecting from the housing, a torque-limiting mechanism coupled between the housing and the shaft and responsive to rotatio... | 09/25/2007 |
| 7272998 | Torque-limiting mechanism A torque-limiting mechanism is provided for use in a variety of torque-applying tools. The mechanism includes a handle defining a housing in which are disposed a slip gear and a fixed gear. The fixed gear is attached to the housing while the slip gear is attached to... | 09/25/2007 |
| 7222559 | Screwdriver with torque setting mechanism A screwdriver comprises a torque setting mechanism including a torque adjustment ring, an actuation rod threadedly secured to the upper torque adjustment ring and a lower torque adjustment nut, a spring biased sleeve with the actuation rod passed, and a clutch ring ... | 05/29/2007 |
| 7197968 | Screwdriver with adjustable device to limit transmitted torque A screwing tool with a device to adjust transmitted torque comprises a handle to introduce a torque to the device, which is borne in the hollow of the handle and a drive shaft as an output element of the torque. On the drive shaft inside the handle, two separate cou... | 04/03/2007 |
| 7188557 | Tightening tool It is an object of the invention to provide a technique that can alleviate noise when the clutch comes into engagement. Representative tightening tool according to the invention comprises a motor, a driven shaft driven by the motor, a tool bit driven by the driven s... | 03/13/2007 |
| 7182005 | Omnidirectional twisting tool An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for conne... | 02/27/2007 |
| 7174817 | Omnidirectional twisting tool An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for conne... | 02/13/2007 |
| 7168350 | Omnidirectional twisting tool An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for conne... | 01/30/2007 |
| 7168349 | Omnidirectional twisting tool An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for conne... | 01/30/2007 |
| 7165663 | Power screwdriver with low-noise torque clutch A power screwdriver (1) with a rotationally driven, axially displaceable mounted tool spindle (2) with a low-noise torque clutch (3) which comprises a ratchet-spring biased ratchet coupling (6) driven by a driven ratchet part (12) ... | 01/23/2007 |
| 7150212 | Torque screwdriver A torque screwdriver including a handle formed with a window. An indicator is disposed in the handle near the window. A scale is axially movably mounted in the handle. The scale is drivingly connected with a compression mechanism disposed at one end of the handle an... | 12/19/2006 |
| 7146885 | Sectionless length adjustment mechanism for tool shank Disclosed is a sectionless length adjustment mechanism for the shank of a tool (e.g., screwdriver) and for releasably locking the shank in any one of a plurality of positions relative to the handle. In one embodiment the mechanism comprises a sleeve having a front f... | 12/12/2006 |
| 7137324 | Hand-held power screwdriver with a low-noise torque clutch A hand-held power screwdriver includes a low-noise torque clutch (5) for transmitting torque to a tool spindle (4) and formed of claw clutch (6) and ratchet clutch (7), with the ratchet clutch (7) having a rotatably driven first ra... | 11/21/2006 |
