Matches 1 - 21 out of 21


Match Document Document Title
US20150107422 Ratchet Screwdriver  
A ratchet screwdriver includes a ratchet wheel; a pawl base assembly, for inserting into the ratchet wheel, and a plurality of pawl pieces for engaging with teeth, the rear end of the pawl base...
US20120174715 WRENCH OF RATCHET WHEEL  
A wrench of ratchet wheel, to which a high torque force can be applied and which can be widely used, includes a grip, a ratchet wheel mechanism and a driver which successively connect one to...
US20110203420 AUTO-ADJUSTABLE BEARING WRENCH  
A bearing wrench comprising a casing as main support, with at least one piston coupling hole, a synchronizing device, and closing caps, power cylinder, a cylinder thrust spring and a connection...
US20070137440 Socket provided with a ratchet device  
A socket provided with a ratchet device comprises: a polygon-shaped end portion, a ratchet device having a receiving groove provided with a plurality of retaining walls and guiding walls, a...
US20060288822 Ratchet wrench  
An improved wrench for adjusting fasteners. In one embodiment, the wrench comprises a body or a handle having at least two ends. One or more heads are located on at least one of the ends. The head...
US20060016295 Wrench having greater torque  
A wrench capable of transferring power effectively comprise a wrench body having an end formed with a driving portion; the driving portion being formed with a receiving portion; a ratchet wheel...
US20080276762 Torque transmission mechanism  
A torque transmission mechanism comprises an outer body defining a cavity and an inner body located at least partially inside the cavity and able to rotate therein. A plurality of rollers located...
US20050257648 Unidirectional buckling assembly of spanner  
A unidirectional buckling assembly of a spanner comprise a spanner body having a receiving chamber at one end thereof; a toothless ratchet received a toothless ratchet; the toothless ratchet being...
US20090049961 TORQUE RELEASING CLUTCH FOR A SCREW DRIVER BLADE  
A torque releasing clutch for a screw driver blade is installed in a connect rod, including a spring, ball holes for fitting steel balls, and a washer respectively in the holes to restrict the...
US20070163398 Structure of wrench changeable in active turning direction  
A wrench includes a main body, an engaging member, a direction setting plate, beads, several twin holes on the setting plate, and rolling elements; the engaging member has spaced external...
US20110138970 LOW PROFILE WRENCH AND METHOD  
A member may be rotated by engaging the member with a drive element and rotating the drive element in a single direction such that rotation in an opposite direction is prevented.
US20100269640 Wrench with bolt engaging portion and roller  
A wrench with a ratcheting device is provided, and the wrench comprises: a handle having opposing ends; and two bolt engaging members situated on opposing ends of the handle, each of the members...
US20110079112 Screwdriver with Changeable Blade  
A screwdriver includes a handle, a bit and a chuck for connecting the bit to the handle. The chuck includes a cylinder, two latches, a spring and a control element. The cylinder is securely...
US20140060257 Roller clutch reversing mechanism  
This application relates generally to a reversible force or torque transfer device. This device may be used in many different applications. The example used for the illustrative purposes of this...
US20170144275 QUIET WRENCH  
The present invention provides a wrench comprising a handle, having a cylindrical inner surface as a first surface; a torque output member, arranged within the first surface of the handle, the...
US20170057056 COMBINATION OF WRENCH AND DRIVING DEVICE  
A combination of wrench and driving device includes a wrench, a first driver having an axis and a combining part on one end and a connecting part on the other end thereof, a second driver having a...
US20160271761 Silent socket wrench  
A silent socket wrench contains: a body, a driving, a cavity, a peripheral rib, and a C-shaped groove. A ratchet member is fixed on the peripheral rib and includes a plurality of teeth, a square...
US20160229036 RATCHETING SCREWDRIVER  
A ratcheting screwdriver having a drive shaft for transmitting motion and torque as well as two annular drive gears and an annular driven gear, the drive gears and driven gear each have...
US20160193721 REVERSIBLE ROLLER WRENCH WITH A SCALLOPED OUTER RACE  
A torque transfer device includes a handle, a roller cage bias ring, a plurality of rollers and a spindle. The handle includes a scalloped outer race. The roller cage bias ring is located within...
US20160129562 COMBINATION WRENCH WITH A REVERSIBLE ROLLER CLUTCH  
A force transfer wrench apparatus includes a housing assembly and a handle attached to the housing assembly. The housing assembly includes a housing, a spindle, and wedging element. The spindle is...
US20150306745 Bias and Reversing Mechanism for Roller Clutch Ratchet  
A roller clutch mechanism of a reversible ratchet tool is configured to include a biasing and reversing mechanism for biasing rollers in the roller clutch mechanism. A cage member of the roller...

Matches 1 - 21 out of 21