Entries |
Document | Title | Date |
20080202293 | Wrench Assembly - A wrench assembly includes a first wrench, a second wrench and a bar. The first wrench includes a first driving device at an end and a second driving device at an opposite end. The second wrench includes a first driving device at an end and a second driving device at an opposite end. The bar includes a first connecting device for connection to the second driving device of the first wrench and a second connecting device for connection to the first driving device of the second wrench. A first C-clip is provided to reinforce the connection of the first connecting device of the bar to the second driving device of the first wrench. A second C-clip is provided to reinforce the connection of the second connecting device of the bar to the first driving device of the second wrench. | 08-28-2008 |
20080229888 | Stepless rotatable driving wrench - A stepless rotatable driving wrench having a unidirectional clutch acting on a driving element, wherein the driving element is preferably a square drive. The driving element is shiftable between two operable positions to project selectively from either side of the wrench so that driving in two opposed directions is enabled despite the unidirectional nature of the clutch. In each of the two operable positions, the driver operably projects from one side of the wrench while remaining entirely flush with the other side of the wrench. Ball detents releasably hold the driver in the selected operable position. Loss of the driver from either side of the wrench is prevented by an internal pin engaging a slot formed in the driver. | 09-25-2008 |
20080229889 | Dual pawl ratchet mechanism and reversing method - A dual-pawl ratchet wrench mechanism is disclosed having a stop mechanism for limiting over-travel of a reversing lever for selecting drive directions. In one form, the wrench mechanism includes a ball and spring assembly that cooperate with recesses to define proper positions for the reversing lever, and one or more ramps are provided between the recesses to promote tactile feel and to promote the reversing lever being rotated to a proper position. In some forms, the stop mechanism is formed on a stationary portion, such as a spacer or the wrench body, and a portion of the reversing lever. The design simplifies manufacturing, such as by simplifying assembly and minimizing the need for securements. Additionally, the reversing lever is assembled with the mechanism in a manner to improve sealing. | 09-25-2008 |
20080245194 | Bias assembly for ratchet tools - A ratcheting tool such as a reversible dual-pawl ratchet wrench is disclosed that minimizes wasted motion during ratchet slip or counter-rotation. The ratchet wrench includes a bias assembly that biases the pawls apart to bias a first, selected pawl for a selected drive direction towards engagement with a ratchet gear, and that the biases the selected pawl into a concentric alignment with the ratchet gear. In this manner, non-ratcheting initial rotation of the pawl due to counter-rotation prior to the pawl camming out of engagement with the ratchet gear is eliminated, thus eliminating wasted motion and maximizing the available angular sweep for the wrench. | 10-09-2008 |
20080264213 | RATCHET TYPE BENDING SPANNER - A ratchet type bending spanner comprises a handle; a holding portion at one end of the handle; a bending tubular portion at another end of the handle; an engaging unit having a part rotatable installed in the bending tubular portion; and the other part of the engaging unit being protruded from the bending tubular portion for engaging with a sleeve; the part in the bending tubular portion being formed with a ratchet portion which is engaged to a buckling block; and the buckling block being restorable elastically. A switch is installed in the bending tubular portion for controlling the shift of a position of the engaging block so as to form a bidirectional ratchet type bending spanner. The handle is a soft handle with a stop edge. | 10-30-2008 |
20080271574 | INTERCHANGEABLY MANUAL OR AUTOMATIC RATCHET WRENCH TOOL - The present invention relates to an interchangeably manual or automatic ratchet wrench that the user may couple an electric hand grip having a motor therein to the rear end of a stud member of a handle so as to urge a cartridge to rotate in an electric operation manner, or couple a manual hand grip to the rear end of the stud member of the handle so as to urge the cartridge to rotate in a manual operation manner, such that achieving a multi-purpose operation. | 11-06-2008 |
20080295649 | INTERCHANGEABLY MANUAL OR AUTOMATIC RATCHET WRENCH TOOL - An interchangeably manual or automatic ratchet wrench tool comprises a tool body including a through grove disposed at one end thereof, for receiving a rotating member including peripheral teeth and driven teeth formed therearound, respectively. The tool body further includes a driving piece attached therein and having two engaging tabs mounted thereon for correspondingly engaging with the peripheral teeth of the rotating member, thereby driving the rotating member in a manual operating mode. Moreover, the tool body includes a motor driven by a power source assembly and affixed at another end thereof, the motor includes a worm shaft disposed at one end thereof, for meshing with a worm gear which is rotatably disposed in the tool body, and between the worm gear and the driven teeth of the rotating member is defined with a transmission set for couplingly urging the rotating member in an electric operating mode. | 12-04-2008 |
20090133539 | RATCHET WHEEL OF WRENCHES - The present invention discloses a ratchet wheel of wrenches, the structure of the ratchet wheel has a penetrating hole consisting of two adjacent receiving holes having internal diameters differing from each other, each internal periphery has six forefront surfaces, six grooves and six concavities, the concavities and the grooves are disposed annularly in an interlaced order that are capable of containing flanges of a gear-shape workpiece, and the forefront surfaces are capable of latching the edges of a hexagonal workpiece. Whereby, each receiving hole can respectively accommodate, latch and drive several kind of workpieces with different size, and prevent workpieces from passing through the wrench randomly | 05-28-2009 |
20090199683 | Screwdriver with Ratchet Mechanism - A screwdriver includes a first body having an end for coupling with a handle, a second body rotatably coupled to the other end of the first body, two pairs of engaging members, and a switch member pivotably mounted to the first body. Each pair of engaging members is slidably received in an associated transverse receiving section that includes two end openings in an outer circumference of the first body. Each engaging member includes a first end with an engaging portion. An elastic element is mounted between second ends of each pair of engaging members for biasing the pair of engaging members away from each other. The switch member is pivotable to selectively engage at least one of the engaging portions of each pair of engaging members with teeth of the second body, thereby controlling relative rotation between the first body and the second body. | 08-13-2009 |
20090241740 | Universal ratchet wrench - A ratchet wrench with an improved universal handle comprising a ratchet head and two pivotally interactive handle parts. A first handle part works as a linkage between the ratchet head and a second handle part and is dually connected to the ratchet heads center axis for universal movement. The second handle part includes a receiving channel along its length and is pivotally connected to house the first handle part in a foldable relationship. | 10-01-2009 |
20090293683 | RATCHET DRIVER - A ratchet driver includes a grip and a ratchet unit having a positioning base with a central through hole. The positioning base is mounted by a ratchet wheel and a direction-changing ring, having two accommodating grooves formed in its one side for respectively fitting a locking piece. An U-shaped groove is formed along the central through hole between the accommodating grooves, used for fitting an elastic element made of an elastic plate and having its two ends extended into the accommodating grooves to elastically rest on and strongly push the locking pieces while turning around the direction-changing ring, able to withstand a great integral torsion generated while turning the grip to drive the ratchet wheel and a driving head. Also, the ratchet driver has a simple structure, convenient to assemble and disassemble. | 12-03-2009 |
20090301268 | Ratchet mechanism for adjustable wrench - An adjustable wrench includes a fixed jaw and a movable jaw movable along a slot in the head. A passage is defined through the head and communicates with the slot. Two rack portions are defined in the guide rod. Two pawls are movably engaged with the passage and each pawl has teeth and the two pawls are alternatively engaged with the two rack portions. Two respective positioning units are located between the two pawls and an inside of the passage so as to position the pawls to be engaged with the pawls or separated from the pawls. The two rack portions are made by Metric system and English system respectively. | 12-10-2009 |
20090314139 | Ratchet Wrench with Switch Moving in Transverse Direction - A ratchet wrench includes a head and a handle interconnected to the head. The head includes a first compartment rotatably receiving a drive member. Two pawls are slideably received in a compartment of the head. A switch is slideably received in a third compartment of the head between first, second, and third operative positions to change the driving direction of the ratchet wrench. An actuator is slideably received in the second compartment and includes two guiding portions selectively engaged with one of the pawls when the switch is in one of the first and second operative positions. The pawls are disengaged from the guiding portions and engaged with the drive member when the switch is in the third operative positions, allowing the handle and the drive member to rotate in either of two directions driving a fastener, and not allowing free rotation of the handle relative to the drive member in either of the two directions without driving the fastener. | 12-24-2009 |
20090320649 | Ratchet Wrench with Three Operational Positions - A ratchet wrench includes a body having a closed side and a compartment receiving a drive member and two pawls. A recessed portion is formed on an outer surface of the closed side. A switch is pivotably mounted in the recessed portion between first, second, and third positions. A control member is received in the compartment and pivotable together with the switch to press against one or both of the pawls. The recessed portion includes a positioning hole receiving a pressing device. When the switch is in the first or second position, the pressing device presses against one of two lateral sides of the switch to retain the switch in place. When the switch is in the third position, the pressing device is engaged with the switch and is intermediate the lateral sides. | 12-31-2009 |
20100000376 | Ratchet Wrench with three operational positions - A ratchet wrench includes a head rotatably receiving a drive member and slideably receiving two pawls each having a coupling portion. An elastic element is mounted between the pawls to bias the pawls to engage with a coupling section of the drive member. A ring is received in the head and pivotably mounted around an engaging portion of the drive member about a pivot axis. A reversing plate is pivotably mounted around a portion of the engaging portion of the drive member beyond the head about the pivot axis between first, second, and third operative positions. The reversing plate is connected to the ring to allow joint pivotal movement about the pivot axis. The ring includes a tail having two actuating portions respectively and releasably engaging with the coupling portions of the pawls responsive to movement of the reversing plate between the three operative positions. | 01-07-2010 |
20100005931 | RATCHET SCREWDRIVER - A ratchet screwdriver includes a handle having a hole co-axially defined in the handle. A ratchet mechanism is co-axially received in the hole in the handle and comprises a ratchet wheel for driving the ratchet screwdriver with bi-directional operating and a selector for selectively determining the operational direction of the ratchet wheel. A driving shaft is relatively and co-axially mounted in the ratchet mechanism and ratchetly and bi-directionally driven by the ratchet wheel. | 01-14-2010 |
20100018356 | Ratchet Wrench with Three Operative Positions - A ratchet wrench includes a body with a driving portion having first, second, and third compartments in communication with each other. A drive member is rotatably received in the first compartment. The driving portion includes first and second sides spaced in a thickness direction. The third compartment extends from the first side toward and spaced from the second side. The third compartment includes a bottom wall intermediate the first side and a center of the second compartment in the thickness direction. Two pawls are received in the second compartment and releasably engaged with teeth of the drive member. A control member is pivotably received in the third compartment and operable to selectively press against one of the pawls to change the driving direction of the ratchet wrench. | 01-28-2010 |
20100018357 | Ratchet Wrench with Three Operative Positions - A ratchet wrench includes a body ( | 01-28-2010 |
20100024607 | Extended low-torque ratchet wrench - A reversible ratchet device is provided as a low-torque application wrench in the form of an elongated body carrying a ratchet mechanism thereon, the ratchet mechanism being operable under low-torque conditions such as are present with initial driving or final loosening of a workpiece. The device includes the ratchet mechanism carried directly on the body, both being co-axially rotatable with each other and with the workpiece. | 02-04-2010 |
20100031783 | Easy-to Manufacture Ratchet Wrench - A ratchet wrench includes a body having a first compartment rotatably receiving a drive member and a second compartment slideably receiving two pawls. A positioning member extends into the second compartment. A switch is slideably mounted to the body and includes two legs extending into the second compartment for moving the pawls. A restraining member is slideably received in the compartment and coupled to the legs to move therewith. The restraining member includes at least two positioning sections selectively engaged with the positioning member corresponding to at least two positions of the switch. | 02-11-2010 |
20100050820 | Ratchet mechanism for turning dual hex nuts simultaneously dual ratchet mechanism - The Dual Ratchet Mechanism will eliminate the need to use a single socket head and rotate back and forth between two hex nuts or other fastening devices that need simultaneous tightening or loosening. This Dual Ratchet Mechanism and Dual Ratchet Mechanism with fixed handle or torque-adjusting handle will increase productivity and technique. | 03-04-2010 |
20100162857 | Wrench - A wrench comprises a drive head, a drive element and at least two same-structured pawls. The drive element is disposed in a drive portion on an inner surface of the drive head and defined with at least two recesses. The at least two pawls are respectively pivoted in the at least two recesses by pivot pin. Between the recesses is disposed a reversing element, which is provided with an elastic element and a push element opposite the respective pawls in such a manner that the push element can push against the pawls. The pawl is provided with two engaging ends opposite two opposite ends of the drive portion of the drive head. The two engaging ends of each of the pawls are not symmetrical to each other and configured to engage with the drive portion. The pawls in the respective recesses are disposed in the same direction or different directions. | 07-01-2010 |
20100162858 | ADJUSTABLE RATCHET SYSTEM - An adjustable ratchet system is disclosed. An adjustable ratchet system may include an adjustable ratchet having a handle and a tang attached to the handle. The tang may have a terminal end opposite the handle where the tang may include a plurality of arms extending there from. The adjustable ratchet may also include a ratchet assembly which may include a unidirectional ratcheting drive ratchet and at least one pivot arm. The at least one pivot arm may lie on an axis and the ratchet assembly may rotate 360 degrees about that axis. | 07-01-2010 |
20100229694 | RATCHET TOOL - A ratchet tool comprises a handle; a base body; first and second pivotal elements provided at the base body; a barrel member coupled to the base body and having teeth formed on the outer periphery thereof; a ratchet driving means including first and second pawl members pivotally connected to the base body and selectively engaged with the barrel member and an elastic section provided between the first and second pawl members, with the elastic section adapted for engaging the first and second pawl members with the barrel member; and a switch member pivotally coupled to the outer periphery of the base body for selectively switching the first and second pawl members to engage with the barrel member or not. | 09-16-2010 |
20100288082 | Ratchet tool - A ratchet tool includes a head and a handle, a ratchet is received in the space and two pawl sets are respectively received in two recesses defined in the inner periphery of the space. Each pawl set has a pawl and a spring which biases the pawl to be engaged with the teeth of the ratchet. Each pawl has a flat surface defined in the end having the engaging teeth. An operation member has a flange which is rotatably engaged with a groove defined in the inner periphery of the space and the flange includes a pressing surface which presses one of the flat surfaces of the two pawls by operating the operation member. By choosing one of the pawls to be engaged with the ratchet, the ratchet tool can output torque in desired direction. | 11-18-2010 |
20100307297 | Tool - A tool includes a shank, a driving device mounted on the first end of the shank and including a first ratcheting mechanism including a compartment and a plurality of first teeth in the compartment, and a second ratcheting mechanism rotatably received in the compartment and including a plurality of second teeth engaged with the plurality of first teeth. The first ratcheting mechanism is rotatable relative to the second ratcheting mechanism in a single direction. The second ratcheting mechanism also includes a channel extending therein. A driving head is moveably received in the channel between two releasably fixed positions. In one position, the driving head is adapted to turn an element in a first direction. In another position, the driving head is adapted to turn the element in the second position opposite to the first position. | 12-09-2010 |
20100326247 | REPLACEMENT STRUCTURE OF RATCHET WRENCH - A ratchet wrench includes a parts replacement structure that ensures effort-saved and smooth operation and prevents parts from getting lost. The wrench has a handle having an end forming a head portion that rotatably receives therein a driving collar. A lid plate is fixed to the head portion to retain a pawl member that engages and controls the rotation of the driving collar. The pawl member includes a pusher pad positioned on and movable along a top of the lid plate. A retention block is set at the side of the pawl member opposite to the driving collar to apply a biasing force to the pawl member through a push bar. In this arrangement, the push bar will not get lost when the pawl member disengages from and thus releases the driving collar for replacement. | 12-30-2010 |
20110023664 | RATCHET TOOL - The present invention provides a ratchet tool, wherein a circular tooth row is arranged into the round groove of the main body's actuating end. A tool driving seat is assembled rotatably onto the round groove of the main body. A first braking slot, a second braking slot and an arched control slot are triangularly configured onto the internal surface of the tool driving seat. The first and second braking slots are separately fitted with the first and second braking swing blocks. A moveable control gear is placed into the control slot and can shift to the through-hole at both ends of the control slot such that it is mated simultaneously with inner tip edges of the first and second braking swing blocks. An elastic resetter is additionally provided to make the first and second braking swing blocks with inner tip edge swing inwards in a normal state. | 02-03-2011 |
20110048179 | Ratchet Wrench - A ratchet wrench includes a head having a compartment. The compartment includes a first compartment section rotatably receiving a drive member and a second compartment section slideably receiving two pawls releasably engaged with the drive member. A switch is rotatably received in a switch groove formed in a side of the head and in communication with the second compartment section. A reversing plate is rotatably mounted to an engaging portion of the drive member extending beyond the head. The reversing plate includes a control section having a guiding groove. The switch includes a pin slideably engaged in the guiding groove. The switch pivots in the switch groove with the pin sliding in the guiding groove when the reversing plates pivots to control engagement between the drive member and the first and second pawls for controlling a driving direction of the ratchet wrench. | 03-03-2011 |
20110079115 | HANDLED RATCHETING TOOL WITH A FLIP OUT HANDLE - A handled ratcheting tool is able to be used in a standard, L handle or T handle orientation. The handled ratcheting tool includes a handle, a stem, a ratcheting mechanism and multiple tools. Multiple tools are coupled to the ratcheting mechanism which are able to form the L and T configurations depending on which tools are positioned in an open position and which are in a closed position. | 04-07-2011 |
20110088519 | Compact Tool Box with Ratchet Driving Function - A tool box includes a body having a front end and a force-receiving portion spaced from the front end. The body further includes first and second sides and two lateral walls. The lateral walls, the front end, and the force-receiving portion are integrally formed as a single and inseparable component of the same material. The front end includes a compartment. A receiving space is defined between the lateral walls and has an opening in the second side or the force-receiving portion. A ratcheting mechanism includes a main body mounted in the body and a ratchet wheel rotatably received in the main body. The ratchet wheel is located in a quarter corner of the body adjacent to the front end and the first side. A driving groove is defined in the ratchet wheel for engaging and driving a shank to rotate. A bit-receiving rack is removably received in the receiving space. | 04-21-2011 |
20110094350 | Pivot head ratchet wrench - A ratchet wrench includes a handle pivotally coupled to a head, a shaft rotatably attached to the head and having a gear and a bevel gear, two pawls engaged in the head for engaging with the gear and for determining the driving direction of the shaft by the head and the handle, an actuating member for selectively disengaging either of the pawls from the gear, a cartridge attached to the shaft, and a driving member rotatably attached to the cartridge and having another bevel gear engaged with the bevel gear of the shaft for allowing the driving member to be rotated by the shaft and the bevel gears and for allowing the pivot head ratchet wrench to be easily used to drive or unthread the fasteners located at a higher position. | 04-28-2011 |
20110113933 | RATCHET WRENCH HAVING THE ADVANTAGES OF DURABILITY AND CONVENIENANCE OF USE - The present invention discloses a ratchet wrench with a head portion disposed at one end of a main body. A driving head is disposed in the head portion. A retaining portion is disposed on the driving head. The periphery of the retaining portion has three recess cuts each holding one pawl in a swing status. A circular chamber is disposed in the periphery of the retaining portion. Three pawls are pin-connected by three connecting pins so as to move together. The circular chamber is coupled with one triangular elastic piece. One rotatable disc and one cardioid spring are disposed on the head portion. When the rotatable disc is turned, the shift pin at the bottom of the rotatable disc drives the cardioid spring and one pawl, then the other two pawls move together so that the retaining teeth on one side of the pawl engage with the ratchet teeth, and further control the driving head on clockwise or counterclockwise driving. | 05-19-2011 |
20110120272 | RATCHET WRENCH WITH VARIABLE OUTPUT TORQUE - A ratchet wrench with variable output torque includes a wrench body, a control bar, a control pin, and a handle. The body includes a shank having an end forming a driving section for coupling with a socket and an opposite end pivotally connected to an end of the control bar through a pivot pin. The pivot pin is substantially normal to but not intersecting a central axis of the driving section so that the control bar is rotatable about the pivot pin for angular displacement. The control pin controls angular displacing between the control bar and the shank. The handle forms a bore slidably and slidably receiving the control bar to thereby form an extendible/contractible handle arrangement constituted by the handle, the control bar, and the shank. The handle is freely rotatable about an outer circumference of the control bar for efficient and effective operation of rotating the driving section. | 05-26-2011 |
20110126678 | Ratchet Device - A ratchet device includes a body having a compartment extending along a first axis. A ratchet member is rotatably received in the compartment about the first axis. The body includes first and second sides each having a receptacle in communication with the compartment. A ratchet block is received in each receptacle. A control member is received in a groove in a top side of the body. The groove is in communication with the compartment via an opening. The control member is movable between three positions along an axis perpendicular to but spaced from the first axis to disengage a toothed portion of either of the ratchet blocks from teeth on the ratchet member so as to control the driving direction of the ratchet device. | 06-02-2011 |
20110132149 | RATCHET WRENCH - A ratchet wrench includes a wrench body having an action end with a housing space formed thereon to hold a ratchet wheel, and two siding troughs located at two sides of the housing space to hold two brake members, and a latch member located at the rear side of the housing space. A direction control member is hinged on the rear side of the housing space and includes a swinging bar, a position member and a stirring bar that are stacked in a up and down manner. The stirring bar can be turned to move the position member and the swinging bar concurrently. The position member is latched by the latch member and positioned. The swinging bar can push the slider at one side to move the brake member forwards to engage with ratchet teeth while another brake member at another side is moved rearwards to separate the ratchet wheel. | 06-09-2011 |
20110146459 | Multi-angle Hand Tool - A multi-angle hand tool for a handle includes a shank including a body, and a compartment defined in the body. An operating device includes a connecting end having an engaging portion defined thereon. A guide is mounted in the compartment and includes an embedding portion defined thereon. A connecting device is disposed and interconnected between the operating device and the guide. The multi-angle hand tool has a plurality of operation modes and in each operation mode the operating device is prevented from moving and pivoting with respect to the shank by engaging the engaging portion with the embedding portion. Furthermore, a longitudinal length of the operating device is perpendicular to, or angled to non-perpendicularly, or aligned with the longitudinal length of the body of the shank selectively for different operation modes. | 06-23-2011 |
20110162489 | Ratchet Wrench - A ratchet wrench includes a driving end including a ratchet member, two pawls releasably and selectively engaging with the ratchet member for setting the ratchet wrench in two operation modes, and a switching mechanism disposed between the pawls and including limits urging the respective pawls such that one limit engages with one pawl to urge it to disengage from the ratchet member while the other limit disengages from the other pawl to allow it to engage with the ratchet member in one operation mode, and the other limit engages with the other pawl to urge it to disengage from the ratchet member while the one limit disengages from the one pawl to allow it to engage with the ratchet member in another operation mode. Additionally, the pawls are prevented from being mis-shifted by the switching mechanism. | 07-07-2011 |
20110232425 | Folding Tool - A folding tool includes two support plates, a ratchet driver pivotally mounted between the two support plates, a rotation seat rotatably mounted between the two support plates, and a plurality of tips each removably mounted on the rotation seat and each detachably mounted on the ratchet driver. The ratchet driver drives each of the tips to rotate in the operation direction only and idles in the opposite direction so that each of the tips can rotate the screw member in the operation direction successively so as to screw or unscrew the screw member easily and quickly. Thus, when the folding tool is used in a smaller space, each of the tips is driven by the ratchet driver to rotate the screw member in the operation direction successively and to screw or unscrew the screw member easily and quickly. | 09-29-2011 |
20110232426 | Quick-turn Wrench - A quick-turn wrench includes a driving head with an axle hole. One side of the axle hole has a claw. A ratchet ring is accommodated in the axle hole. One end of the ratchet ring extends outside the axle hole and connects to a wrench handle. The ratchet ring is surrounded by a ratchet part that correspondingly engages the claw. A transmission rod is inserted into the ratchet ring, with one end having a transmission part. A bottom plate is disposed at the bottom of the axle hole. The end surface of the bottom plate facing the axle hole has a sliding groove. A pushing element is disposed in the sliding groove corresponding to the claw. The transmission part of the transmission rod connects to the pushing element. As the transmission rod rotates, the pushing element is driven to push the claw to release the fixing state between the claw and the ratchet ring. | 09-29-2011 |
20110259157 | RATCHET TOOL - A ratchet tool includes a tool head provided with a plurality of ratchet teeth on an inner peripheral surface, a drive body having an outer surrounding surface confronting the ratchet teeth, and a guiding slot for receiving first and second pawls and a biasing member to permit the pawls to be displaced between extending and retracted positions, and an actuator twistable relative to the head and having two inner boundary contours to define two recessed regions to accommodate displaceable engagements of keys of the pawls with the inner boundary contours. The pawl end is configured to extend along an entire axial length of the drive body so as to be fully engaged with the ratchet teeth in the engaging position, thereby permitting transmission of a relatively large torque during rotation of the tool head. | 10-27-2011 |
20110290083 | GEARED CLICKLESS SOCKET WRENCH - A geared socket wrench hand tool is disclosed. The socket wrench is a clickless wrench allowing for more precise movement of the socket. The socket wrench, through a series of gears, can rotate in infinitesimally small rotations. | 12-01-2011 |
20120017730 | LOCKING FLEX-HEAD RATCHET WRENCH - A ratcheting tool including a handle formed with an integral yoke at a first end and a tool head coupled to the yoke at a pivot. The tool head has a toothed hub facing rearwardly of the pivot and into the yoke. A locking spool is rotatably carried in the yoke adjacent the toothed hub. The locking spool has a first face, a second face, and a first tooth extending along both the first face and the second face and engaging the toothed hub. The locking spool is rotatable between a first position in which the first face is adjacent the toothed hub, thereby locking the tool head in a selected angular position with respect to the handle, and a second position in which the second face is adjacent the toothed hub such that the tool head is pivotable about the pivot. | 01-26-2012 |
20120036968 | RATCHET WRENCH WITH REVERSIBLE MECHANISM - The present invention discloses a ratchet wrench comprising a main body, a driving head, three pawls, a knurled rotatable disc and a locking ring. The driving head has a limit portion and a couple portion for coupling a workpiece. The limit portion has three tangent planes each forming a recess cut for pawl located. The limit portion has a cylinder linking with the locking ring. The limit portion is mounted by a mounting piece having three sliding slots and three rails. Each pawl is guided by a relative rail and has a rod linking to an elastic element. When the knurled rotatable disc is turned to interact the rod, the rod triggers the pawl, and the retaining cogs of the pawl are engaged with the ratchet teeth to control the driving head being turned clockwise or counterclockwise. | 02-16-2012 |
20120055290 | STEERING DEVICE FOR A RATCHET SCREWDRIVER - A steering device for a ratchet screwdriver includes a base. The base has a receiving hole defined therein. Two receiving grooves are defined in the base. A moving slot is comparted from receiving hole. A ratchet rod is partially received in the base. The ratchet rod includes a spindle and a ratchet wheel disposed on the spindle. Two blockers are respectively received in the two receiving grooves. Each blocker has unidirectional teeth formed on one end thereof for selectively engaging with the ratchet wheel. A housing is sleeved on the base. The housing has a protrusion disposed on an interior thereof for inserting into the moving slot. | 03-08-2012 |
20120060653 | MULTI-SIZE RATCHET WRENCH - A multi-size ratchet wrench, which is easy to operate and is of multiple sizes, includes a wrench handle having two ends, at least one of which forms a head that receives and retains therein a fitting assembly that effect single direction driving. The fitting assembly rotatably supports a rotatable block that has a rotational axis substantially perpendicular to a rotational axis of the fitting assembly. The rotatable block has a circumferential surface forming one or multiple fitting sections that are substantially normal to the rotational axis of the rotatable block. This arrangement allows a user to select among differently-sized fitting sections through direct rotation of the rotatable block. Thus, the number of sockets to be carried and times of replacing sockets are both reduced. Further, the single direction driving allows the wrench handle make loaded driving of the fitting assembly in one direction and load-free rotation in an opposite direction. | 03-15-2012 |
20120118113 | RATCHET WRENCH - A ratchet wrench includes a handle and a wrench head unit having head body rotatably mounted on a head portion of the handle, a plurality of tubular coupling member angularly displaced from each other, and a plurality of driving heads, each coupled with the respective tubular coupling member by means of a ratchet unit. By virtue of the ratchet unit, the driving head can be selectively turned in a clockwise direction, a counterclockwise direction, or both thereof. By virtue of the driving heads, the ratchet wrench can be used to turn a variety of fasteners. | 05-17-2012 |
20120279363 | RATCHET DEVICE WITH STABLE STRUCTURE - A ratchet device with stable structure includes a control unit, at least three receiving spaces defined on the top plane of the control unit, the receiving spaces communicating with each other, a pair of blockers and a elastomer located in each receiving space, a ratchet unit connected to the control unit, the ratchet unit having a spindle formed at one end thereof, a plurality of teeth formed around the periphery of the ratchet unit, the teeth engaged with the blockers of the control unit; a switching unit connected to the ratchet unit, at least three push sticks extruded from the bottom of the switching unit for pushing against the blockers. Therefore, the amounts of engaging faces among the blockers and the teeth are as enough as possible to make the engagement between the blockers and the teeth stable during an external torsion. | 11-08-2012 |
20120304831 | STEERING DEVICE FOR A RATCHET SCREWDRIVER - A steering device for a ratchet screwdriver includes a base. The base has a receiving hole defined therein. Two receiving grooves are defined in the base. A moving slot is comparted from receiving hole. A ratchet rod is partially received in the base. The ratchet rod includes a spindle and a ratchet wheel disposed on the spindle. Two blockers are respectively received in the two receiving grooves. Each blocker has unidirectional teeth formed on one end thereof for selectively engaging with the ratchet wheel. A housing is sleeved on the base. The housing has a protrusion disposed on an interior thereof for inserting into the moving slot. | 12-06-2012 |
20120318104 | Ratchet Screwdriver - A ratchet screwdriver includes an adjusting assembly. The adjusting assembly is selectively changable between a first position, a second position, and a third position. When the adjusting assembly is in the first position, a rib is located between the first and second ends of a slanting slot. First and second pawls are engaged with a ratchet portion. A position assembly is engaged in a first bore. A shank is able to drive the screwdriver bit in a clockwise direction or a counterclockwise direction. When the adjusting assembly is in the second position, the shank is able to drive the screwdriver bit in the clockwise direction. When the adjusting assembly is in the third position, the shank is able to drive the screwdriver bit in the counterclockwise direction. | 12-20-2012 |
20130042723 | Ratchet tool - The ratchet tool has a housing, a ratchet mechanism and a locking plate. The housing includes a chamber and multiple locking grooves. The ratchet mechanism is mounted rotatably through the housing. The locking plate is mounted in the chamber of the housing and has multiple wings. The wings correspond to and engage the locking grooves of the housing in order to lock the ratchet mechanism and the housing. Therefore, users can easily assemble and disassemble the ratchet mechanism and the housing by taking out the locking plate when a broken component needs to be repaired or changed. | 02-21-2013 |
20130061721 | RATCHETING WRENCH - A wrench having a handle and ratchet assembly and a socket wheel. The handle and ratchet assembly has a handle and a first drive member that is rotatable relative to the handle. The socket wheel has a plurality of tool members, a plurality of first lugs and a plurality of second lugs. Each tool member is fixedly coupled to a pair of the first lugs and a pair of the second lugs. An adjacent pair of the tool members share a single one of the second lugs and no adjacent pair of the tool members shares any of the first lugs. | 03-14-2013 |
20130112048 | Screwdriver - A screwdriver-used torque transmission apparatus includes a frame including a slot, an aperture and four cavities. The slot is in communication with the aperture and cavities. A gear includes a non-circular aperture axially defined therein, teeth formed on a side thereof, and teeth formed on an opposite end thereof. The gear is located in the slot. A pawl formed with at least one tooth and a block is located in each of the cavities. A shell includes two pushers formed on an internal side thereof. The shell is rotationally provided around the frame between two one-way modes in each of which a related one of the pushers pushes the blocks of two related ones of the pawls to disengage the teeth of the two pawls from the teeth of the gear. | 05-09-2013 |
20130152742 | WRENCH WITH RATCHET DEVICE - A wrench with ratchet device includes a wrench body, a ratchet and a control set. The wrench body has a receiving room and a switch room defined therein. The switch room has an opening defined at the front side of the wrench body. A ratchet is assembled into the receiving room and the switch room. A control set assembled into the switch room further comprises two driving blocks, a control member and a switch member. Under this arrangement, when the switch member is moved to one direction, the ratchet is only rotated along the one direction incrementally by one driving block boosting. In contrast, when the ratchet is forced to rotate to the opposite direction, the ratchet is free rotating and not working. | 06-20-2013 |
20130180366 | SWITCHING DEVICE FOR RATCHET WRENCH - A switching device of a ratchet wrench includes two engaging members respectively mounted to two rods of an operation member. The operation member has a polygonal shank which extends through the board of the head of the wrench and is connected with a switch. The operation member swings by pivoting the switch so as to control the either of the two engaging members to be engaged with the ratchet driving member. The operation member has a positioning tube, and a bead and a spring are located in the positioning tube. The bead is engaged with one of two recesses of a cover fixed to the head of the wrench when the operation member is pivoted. The cover has a flange on which a locking member is pressed. The locking member is engaged with a fixing portion in the inner periphery of the space. | 07-18-2013 |
20130228048 | RATCHET WRENCH AND BODY USED IN RATCHET WRENCH - A ratchet wrench comprises a body, a ratchet, a first pawl, and a second pawl. Each of the first pawl and the second pawl can move between a first position and a second position relative to the ratchet. The first position is a position where the ratchet wrench can transmit torque to said driven element from respective first pawl or second pawl, and the second position is a position where no torque is transmitted from respective first pawl or second pawl. A control member can pivot or rotate to stay in one of a first position, a second position, and a neutral position for different operations. The body has an operating part comprising a groove. The groove comprises two accommodation chambers having inclined surfaces and can accommodate the first pawl and the second pawl. | 09-05-2013 |
20130228049 | REVERSIBLE RATCHET WRENCH - A ratchet wrench includes: a head portion defining a first compartment and a space below; a driving head having an annular driving tooth portion; and first and second detents, each having ratchet teeth to engage the annular driving tooth portion. The first and second detents move laterally between first and second sides of the space simultaneously. When the first and second detents are on the first side, the wrench idle rotates back-pulling along a first direction. When the first and second detents are on the second side, the wrench idle rotates back-pulling along a second direction. Radial alignment diverges between the ratchet teeth of the first detent and the second detent, so that only one of the detents engages the annular driving tooth portion. The other detent is urged against the annular driving tooth portion. When the wrench idle rotates back-pulling, the ratchet teeth of the first and second detents engage with the annular driving tooth portion alternately. | 09-05-2013 |
20130283982 | Dual Pawl Ratchet Mechanism and Reversing Method - A dual-pawl ratchet wrench mechanism is disclosed having a stop mechanism for limiting over-travel of a reversing lever for selecting drive directions. In one form, the wrench mechanism includes a ball and spring assembly that cooperate with recesses to define proper positions for the reversing lever, and one or more ramps are provided between the recesses to promote tactile feel and to promote the reversing lever being rotated to a proper position. In some forms, the stop mechanism is formed on a stationary portion, such as a spacer or the wrench body, and a portion of the reversing lever. The design simplifies manufacturing, such as by simplifying assembly and minimizing the need for securements. Additionally, the reversing lever is assembled with the mechanism in a manner to improve sealing. | 10-31-2013 |
20130291688 | Ratchet Wrench Preventing Jam of Pawls - A ratchet wrench includes a head having a first compartment rotatably receiving a drive member. A second compartment is defined in an inner periphery of the first compartment and receives first and second pawls. A switch is pivotably mounted in a control groove of the head and controls engagement relations between the first and second pawls and the drive member. A limiting member is connected between the first and second pawls and maintains two closest teeth respectively of first and second toothed sections of the first and second pawls to be in a restraining spacing that is smaller than a jam spacing, preventing the first and second pawls from jamming between the drive member and a wall of the second compartment. | 11-07-2013 |
20130319184 | REVERSING DEVICE FOR A RATCHET WRENCH - A reversing device for a ratchet wrench comprises a body of the ratchet wrench, a ratchet wheel, a left engaging member, a right engaging member, a left spring, a right spring, a control member, and a control cover. Both of the left and right engaging members, when subjected to a force, will not be in contact with the control member, so that, the problem that the left or right engaging member, when subjected to a force, will push the control member to reversely rotate and cause slippage, can be solved. | 12-05-2013 |
20130319185 | RATCHET SCREWDRIVER ABLE TO CHANGE OPERATING DIRECTION - A ratchet screwdriver includes a handle, a shaft and a ratchet switch device. The shaft is connected to the front end of the handle and a mounting member is connected to the handle so as to be connected with the shaft. The ratchet switch device is located in the chamber in the rear end of the handle and includes a base, a frame, two engaging members, a positioning member, a resilient plate, two positioning pieces, and a ratchet member a switch. The shaft can be replaced by operating the mounting member on the handle. The switch on the rear end of the handle can change the direction of the ratchet member to output torque via the shaft. | 12-05-2013 |
20130333526 | SPEED MECHANISM FOR SCREW DRIVER - A screw driver includes a body having a ratchet unit and a first transmission rod extends through the ratchet unit. The first transmission rod has a ratchet gear and a switch member is connected to the ratchet unit to control the operation status of the ratchet gear. The first transmission rod has a tube connected to a first end thereof and a non-circular connection portion is connected to a second end of the first transmission rod. A handle is connected to the body and has a toothed ring located therein. The toothed ring is engaged with a planet gear unit which is engaged with a sun gear mounted to a second transmission rod which has an accommodating portion. The accommodating portion is engaged with the connection portion. The individual first and second transmission rods do not generate resistance when the screw driver operates the objects at high speed. | 12-19-2013 |
20140020518 | Driving End of Tool - A driving end of a tool includes a body including a chamber. A first engaging member is rotatably disposed in the chamber and defines a first engaging section. A second engaging member is rotatably disposed in the chamber and defines first and second engaging ends. The first engaging section is engaged with the first engaging end. At least one pawl is slidably disposed in the chamber and defines a first engaging portion. The second engaging end is selectively engaged with the first engaging portion. A switch is pivotally engaged with the body and abutted against the at least one pawl. | 01-23-2014 |
20140076111 | Torque Adapter With Ratchet Reverse Feature - A torque transmittal tool has an input socket to receive a drive input from a drive tool. The input socket causes a first link to rotate through a range of rotation upon rotation of the input socket. The first link is fixed to rotate with an extension link. The extension link is fixed to rotate with an output link. The output link includes an output ratchet for transmitting rotation, and has a torque reversal button which may be actuated to change the direction of rotation of the output ratchet. An actuator has an unactuated position where a contact surface is spaced away from the torque reversal button, and an actuated position at which it actuates the torque reversal button. A method is also disclosed | 03-20-2014 |
20140083259 | Reversible Ratcheting Tool With Dual Pawls - A ratcheting tool includes a head and a handle, and a gear ring disposed in the head defining a first plurality of teeth defining a first arc having a first radius. A first pawl is disposed in the head and defines a front face, a rearward face, and a second plurality of teeth which defines a second arc having a second radius. A second pawl is disposed in the head and defines a front face, a rearward face, and a third plurality of teeth which defines a third arc having a third radius. When the first pawl and the second pawl are disposed with their rearward faces in vertical alignment and their longitudinal center axes are disposed in a common plane, the second arc of the first pawl is offset from the third arc of the second pawl in a direction parallel to the longitudinal center axes. | 03-27-2014 |
20140116205 | Bidirectional Mechanical Converting Unit - The present invention discloses a bidirectional mechanical converting unit, comprising: a main shaft; a driving mechanism, which including a driving means and a reversing means which are coupled to each other; and a rotation means for inputting torque, an rotation axis of the rotation means being coaxial with the main shaft, the rotation means and the driving mechanism being coupled to each other, and the driving mechanism delivering the torque to output at the main shall at a predetermined direction, no matter in which direction the rotation means rotates; wherein the predetermined direction can be switched via the reversing means. The present invention is simple structured, not only can efficiently utilizes the movements of the rotation means in either way, but also can switch the rotation direction of the output shaft conveniently upon demand, with easy operations. | 05-01-2014 |
20140123817 | RATCHET WRENCH WITH A DIRECTIONAL SHIFTING STRUCTURE - A ratchet wrench with a directional shifting structure contains: a handle; a holder fixed on at least one end of the handle and having a first groove and a second groove; a first tool head secured in the first groove and having a first fitting portion and having a first toothed portion; a second tool head secured in the second groove o and having a second fitting portion and a second toothed portion; a first engaging block retained on the outer wall of the first tool head and having first teeth and a first push portion; a second engaging block retained on the outer wall of the second tool head and having second teeth and a second push portion; a control shaft axially fixed between the first engaging block and the second engaging block and having a first pushing peg and a second pushing peg. | 05-08-2014 |
20140196577 | REVERSIBLE RATCHET WRENCH - A ratchet wrench includes a wrench body and a ratchet assembly disposed in the wrench body. The ratchet assembly includes a ratchet wheel, a Y-shaped bar, two pawls, a pawl spring and a switch member. The Y-shaped bar has a pair of prongs splayed laterally apart. Each of the pawls is engageable with the ratchet wheel and defines a bore in a lower corner thereof for reception of the respective prong of the Y-shaped bar. The pawl spring is disposed between the pawls. The switch member is partly positioned on an exterior of the wrench body, and operable to drive the Y-shaped bar to direct either one of the pawls to engage with the ratchet wheel. | 07-17-2014 |
20140251089 | Ratchet Wrench with Adjustable Clamping Size - A ratchet wrench adjustable in clamping size is provided with a body, a ratchet wheel, an adjustment member, two engaging members and a spring. The body includes a head portion, a handle and a switch member. The two engaging members are oppositely located on the ratchet wheel and the adjustment member and each include an engaging portion, a neck portion connected to the engaging portion and located in the ratchet wheel, and an upper portion connected to the neck portion and located in the adjustment cavity of the adjustment member. By such arrangements, rotating the rotating portion of the adjustment member adjusts relative positions of the upper portions of the two engaging members in the adjustment cavity of the adjustment member, and makes the neck portions of the engaging members to move along the guide slot so as to change a distance between the two engaging portions. | 09-11-2014 |
20140251090 | UNIVERSAL RATCHETING TOOL - A universal ratcheting tool provides improved handling of tools that are difficult to use on their own, specifically, hexagonal wrenches. The universal ratcheting tool includes a handle and a body with a ratcheting mechanism within the handle. The body includes a first aperture for receiving a tool, and the first aperture includes slots to accept a plurality of sizes of tools. The body also includes a second aperture where the tool extends out of the body. A retaining component is coupled with the body to retain the tool and a retaining tab is able to be used to open and close the retaining component. Once the tool is positioned and retained within the universal ratcheting tool, a user is able to easily install or remove an object such as a screw with the benefit of a comfortable handle and the ease of use of the ratcheting mechanism. | 09-11-2014 |
20140260819 | HAND TOOL WITH STEPLESS LOCKING MECHANISM - A ratchet mechanism contains a chamber defined by at least one gear surface, a rotating member positioned at least partially within the chamber, a gear member positioned at least partially within the chamber, and a stop member engaging the rotating member, such that the rotating member and the stop member rotate in unison. A movable pin engages and rotatably connects the rotating member and the gear member, and the pin is movable to disengage the pin from the rotating member and permit the rotating member to be shifted between different drive configurations. The gear member has a plurality of gear teeth around its outer periphery. At least a portion of the gear teeth engage the gear surface. The gear member can rotate freely in one rotational direction, and the stop member abuts the gear member to prevent rotation of the gear member in an opposed rotational direction. | 09-18-2014 |
20140283654 | RATCHET DEVICE - A ratchet device includes a body, a ratchet wheel unit, and a switching unit. The body has an outer peripheral surface, at least one slide slot formed in the outer peripheral surface, at least one first groove, and at least one second groove. The ratchet wheel unit includes a ratchet wheel sleeved on the body, at least one first pawl member inserted into the first groove, at least one second pawl member inserted into the second groove, and resilient members biasing the first and second pawl members to engage the ratchet wheel. The switching unit is sleeved on the body, and includes a pushing member disposed in the slide slot, and a switching member connected to the pushing member. Through operation of the switching member, the first or second pawl member can be separated from the ratchet wheel. | 09-25-2014 |
20140311300 | RATCHET TOOL DEVICE - A ratchet tool device includes a wrench body, a receiving hole and a receiving space opened at a top end of the wrench body, the receiving space axially opened from an inner wall of the receiving hole toward a bottom end of the wrench body, the receiving space communicating with the receiving hole, a ratchet wheel received in the receiving hole, a pawl set having a first pawl, a second pawl and an abutting elastomer, a switching set having a switching member and a positioning member, the switching member assembled to the wrench body and sealing the receiving space, the switching member having a driving block, the first pawl and the second pawl both assembled to the driving block. | 10-23-2014 |
20140311301 | TOOL HAVING DUAL FLEX HEADS - The present invention relates to a tool having dual flex heads. The tool may have a flex head having a ratchet head and a flex head having a bit driver head. The flex heads may include a locking mechanism. | 10-23-2014 |
20140318325 | STRUCTURE OF A RATCHET WRENCH - The structure of a ratchet wrench has a ratchet and a brake wheel that engage with each other, and a redirecting mechanism which switchs the rotating direction of the ratchet. The redirecting mechanism has a transmission axle pivotally installed inside the brake wheel. The transmission axle has a pushing assembly for pushing the brake wheel to deviate. The pushing assembly changes its pushing direction as the transmission axle rotates, thereby changing the rotatable direction of the ratchet. | 10-30-2014 |
20140331823 | Adjustable Ratcheting Socket Tool - A ratcheting tool and a method of using the same, the ratcheting tool being formed by a handle, a substantially perpendicular cylinder and a ratcheting mechanism. The cylinder is adapted to be positioned over a nut or bolt head and comprises jaws adapted to engage the nut or bolt head when pushed laterally theretowards. When the arm is squeezed with the handle, a slider block is pushed towards the nut or bolt head causing the jaws to laterally engage the nut or bolt head. The ratcheting mechanism is between the cylinder and the jaws and allows torque to be applied to the nut or bolt head in a desired direction when the handle is moved in a circular motion around the main axis of the cylinder. The jaws are allowed to rotate within the cylinder in a direction opposite to the desired direction. | 11-13-2014 |
20140352499 | Socket wrench - A socket wrench includes a handle including a pivotal head including a cylindrical, eccentric recess on a bottom, a cylindrical cavity in a blind end of the eccentric recess, a perimetric opening proximate to the eccentric recess, and a spring depressible detent; a socket drive including a lower projection, upper external ratchet teeth, an annular groove, and an intermediate flange; a hollow drive gear including a circular opening on a bottom, first, second and third posts, first, second and third positioning wells; first and second pawls; and a biasing member disposed and biased between the first pawl and the second pawl. | 12-04-2014 |
20150047472 | Dual-drive, self-ratcheting, mechanism with multiple input ports - The invention is a dual-drive, self-ratcheting multiple input ports mechanism, that converts oscillatory motion applied to its input, to unidirectional axial rotation motion at its output and is able to be switched to produce solely clockwise rotation at its output, regardless of the direction of rotation applied to the input and is able to be switched to produce solely counterclockwise rotation at its output, regardless of the direction of rotation applied to the input and is provided with a detachable input handle, that can be coupled to said multiple input ports. | 02-19-2015 |
20150047473 | Compact Gas Cylinder Valve Ratchet Driver Tool - Disclosed is a gas cylinder ratchet driver tool that is specifically suited for opening and closing valve posts of gas cylinders. The tool comprises an outer handle body for one-handed use and an external ratchet switching actuator. Within the handle body is an internal housing that supports a rotatable socket therein. The socket comprises an elongated length with a lower working end adapted to engage a gas cylinder valve post and a ratchet gear upper end. A first and second wedge plate supported by the housing and acted upon by the actuator controls the ratchet direction by bearing against the ratchet gear, determining ratchet direction or ratchet lock. A flat spring beneath the actuator manipulates the wedge plates against the ratchet gear to control the ratchet direction. The socket working end comprises two flat portions to facilitate placement of the socket onto a gas cylinder valve post in emergency situations. | 02-19-2015 |
20150047474 | Ratchet Having An Output Shaft Which Can Be Displaced To And Fro - A screw tool having a gear head, which has a freewheel gear, having an output shaft, which is inserted in a non-rotatable but displaceable manner in an output opening and can be moved to and fro between a right-hand screw position and a left-hand screw position in each case by use of axial displacement, wherein in each case a different end section of the output shaft projects out of the gear head, having at least one locking mechanism to secure the position of the output shaft in the respective screw position and/or around a screw output element on the output shaft. As a development which is advantageous for use, the at least one locking mechanism can be moved from a locking position to a release position by pressure on an actuation element arranged on the end face of the output shaft. | 02-19-2015 |
20150059534 | RATCHET SCREWDRIVER - A ratchet screwdriver includes a handle receiving a rod coupled with a coupling sleeve. A spring is received in each of two recesses of the coupling sleeve and presses against one of two pawls abutting against abutment faces of the recesses. An output member has a ratchet portion mounted around the coupling sleeve and having ratchet teeth. The output device further includes an output portion for coupling with a bit. Each spring biases one of the pawls to engage with the ratchet teeth. A switch ring is mounted around the ratchet portion. The switch ring includes a pressing portion selectively pressing against and selectively disengaging one of the pawls from the ratchet teeth when the switch ring is rotated relative to the coupling sleeve to selectively engage a positioning device with one of positioning grooves in the switch ring to adjust a torque output direction of the coupling sleeve. | 03-05-2015 |
20150082949 | OPEN-ENDED RATCHET WRENCH - An open-ended ratchet wrench having interchangeable jaws and selectable free rotation of the jaws. | 03-26-2015 |
20150290779 | RATCHET WRENCH AND BODY USED IN RATCHET WRENCH - A ratchet wrench comprises a body, a ratchet, a first pawl, and a second pawl. Each of the first pawl and the second pawl can move between a first position and a second position relative to the ratchet. The first position is a position where the ratchet wrench can transmit torque to said driven element from respective first pawl or second pawl, and the second position is a position where no torque is transmitted from respective first pawl or second pawl. A control member can pivot or rotate to stay in one of a first position, a second position, and a neutral position for different operations. The body has an operating part comprising a groove. The groove comprises two accommodation chambers having inclined surfaces and can accommodate the first pawl and the second pawl. | 10-15-2015 |
20150321323 | RATCHET DRIVING MECHANISM FOR HAND TOOL - A ratchet driving mechanism for a hand tool includes: a drive unit, including a drive shaft, a position member and a plurality of latch members, wherein each of the latch members includes a latch plate and an elastic piece; an adjustment ring, sleeved on the drive shaft and formed with a plurality of cavities allowing the position member to be selectively latched and positioned and an accommodation slot allowing each of the latch plates to inwardly/outwardly move; and a ratchet unit, sleeved on the drive shaft and formed with a plurality of ratchet teeth allowing each of the latch plates to be engaged. Accordingly, during the drive shaft driving the ratchet unit for generating rotation, the position member is able to precisely position the ratchet unit on drive shaft. | 11-12-2015 |
20150321330 | HANDLED RATCHETING TOOL WITH A FLIP OUT HANDLE - A handled ratcheting tool is able to be used in a standard, L handle or T handle orientation. The handled ratcheting tool includes a handle, a stem, a ratcheting mechanism and multiple tools. Multiple tools are coupled to the ratcheting mechanism which are able to form the L and T configurations depending on which tools are positioned in an open position and which are in a closed position. | 11-12-2015 |
20150328749 | RATCHET WRENCH INCLUDING RETAINING RING - A tool including a wrench body having a first drive end at a first end of the wrench body, and an aperture in the first drive end that includes a shoulder or retaining web extending into the aperture. A ratchet gear including a receiving portion adapted to engage a work piece for providing torque to the work piece, and a ring groove is disposed in the aperture with the receiving portion and the ring groove on opposite sides of the shoulder. A retaining ring is disposed in the ring groove and adapted to retain the ratchet gear in the aperture. The retaining ring limits offset loading that may be applied to a cover plate and/or retention screws when the tool is being used. | 11-19-2015 |
20150328750 | RATCHET MECHANISM FOR RATCHET WRENCH - A tool that includes a wrench body a first drive end, and a ratchet gear disposed in an aperture in the first drive end. A first cavity is formed in the first drive end and in communication with the aperture. First and second pawls are disposed in the first cavity, and the first and second pawls each includes teeth adapted to engage the ratchet gear. A second cavity is formed in the first drive end and is in communication with the first cavity. The second cavity receives a reversing disc adapted to selectively engage the first and second pawls to cause engagement and dis-engagement of the first and second pawls with the ratchet gear. By orienting the pawls to allow the second cavity to have a minimum depth, the head of the wrench can be stiffened, thereby increasing fatigue strength and rigidity of the wrench. | 11-19-2015 |
20150328751 | BIAS MEMBER FOR REDUCING RATCHETING ARC - A tool that broadly includes a first drive end and a ratchet gear disposed in the first drive end. The ratchet gear includes a receiving portion adapted to engage a work piece for providing torque to the working piece. First and second pawls each including pawl teeth are selectively engageable with the ratchet gear. The first and second pawls each include a relief portion on a side opposite the pawl teeth. A first bias member is engaged with the relief portions and limits movement of the first and second pawls away from the ratchet gear during use of the tool, thereby reducing an amount of ratcheting arc of the tool. | 11-19-2015 |
20160067848 | Socket wrench - A socket wrench includes a wrench head including first and second cavities; a reversing lever including spring biased first and second pegs in first and second through holes respectively; first and second reversing pawls each including a detent notch on one surface, a projection, and pawl teeth on the other surface wherein the projections are disposed in a groove between the first through hole and the second through hole, the ends of the first and second pegs urge against the detent notches of the first and second reversing pawls respectively; a drive gear including a spring biased pin in a through opening and having first and second recesses, and a projecting head, external drive teeth in ratcheting engagement with the pawl teeth, a bottom socket having a projecting steel ball in a hole and engaging the second recess; and a split ring in a retaining groove. | 03-10-2016 |
20160167203 | RATCHET WRENCH ABLE TO ENHANCE POSITIONING EFFECT OF RATCHET | 06-16-2016 |
20160199966 | QUICK DETACHABLE WRENCH STRUCTURE | 07-14-2016 |