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Match
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Document |
Document Title |
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7331257 |
Returning assembly of spanner
A returning assembly of a spanner includes a driving portion having a receiving space for receiving a driving head, a switch unit and an ejecting unit having a truncated conic shape; a radial...
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7213492 |
Control mechanism for a socket wrench
An effective control mechanism for a socket wrench that is capable of safe, high efficiency, high strength torque control while eliminating the problem of losing control due to improperly applied...
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7181998 |
Wrench
A wrench includes a wrench body having a ring portion and a handle portion. A retainer that holds a plurality of wedge members is disposed inside the ring portion. Wedge guide grooves are formed on...
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7174810 |
Selective one-way tool
A selective one-way tool includes a handle, a transmission positioned in the slot, a bit-engaging element installed on the handle and a mode-switching ring rotationally installed on the handle. The...
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7150208 |
Universal stepless wrench
The present invention relates to a universal stepless wrench. More particularly, it relates to a wrench with a stepless rotatable for receiving and turning a slideable shaft in a desired direction....
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7069819 |
Air motor socket wrench with quick socket release and muffler
An air motor socket wrench has an air motor secured to a housing of a socket drive assembly having a socket drive member provided with a socket lock ball movable between a socket lock position and...
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7017451 |
Locking structure of unidirectional spanner
A locking structure of a unidirectional spanner comprises a spanner body having a receiving chamber and at least one directional control communicated with the receiving chamber; a toothless ratchet...
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6993997 |
Ratchet wrench
A ratchet wrench including a housing with a handle extending therefrom. A rotor is positioned within an opening in the housing. The rotor includes a crosspiece having a polygonal cross-section and...
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6990877 |
Torque wrench
A torque wrench includes a pressure handle, a sheath end, a directional brake module, an overload movement ring, rolling rods, rolling beads and spring bolsters. The overload movement ring is...
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6951154 |
Ratchet socket tool
A socket tool includes a handle and a socket is movably mounted to one of two ends of the handle. A groove and a plurality of notches are defined in the outer periphery of the end of the handle....
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6915722 |
Clamping nut and tool holder with the clamping nut, and spanner
This invention provides a clamping nut which prevents, at the time of rotation of the clamping nut, a fastening force that is imparted in the radial direction of the clamping nut towards the inside...
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6820520 |
Ratchet wrench having a rigid locking structure
A ratchet wrench having a rigid locking structure includes a wrench body, a ratchet wheel, a pawl member, and a restoring member. Thus, the support blocks of the pawl member are urged on the wall...
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6807881 |
Ratchet wrench having switch locking device
A ratchet wrench includes a driving head having two actuating surfaces and a corner formed in a chamber, a driven member rotatably received in the driving head, and a rod engaged between the...
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6792830 |
Unidirectional ratchet wrench
A ratchet wrench is provided which includes a handle having a head on the handle, a rotatable gear disposed in the head and having ratchet teeth, and a pivotable pawl engaged with the gear to allow...
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6769328 |
Hand tool
A hand tool for applying a torque to a threaded fastener includes a tool body having an opening and a fastener engaging mechanism rotatably mounted in the opening. A control assembly comprising a...
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6742418 |
Torque wrench
A torque wrench is formed by a hollow handle, a sheath tube, a head, a slider, a torque transmitting mechanism, a torque adjusting mechanism, etc. The sheath tube covers the front half of the...
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6612205 |
Ratchet
A ratchet includes a handle and a head, the head has an open receiving surface wherein an insert is disposed therein and of a size smaller than the open receiving surface. A portion of the open...
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6575058 |
Analog position ratchet mechanism
A wrench device has a bearing-type clutch for providing a unidirectional rotational force and an opposite unidirectional independent rotation. The device includes at least one bearing movably...
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6516688 |
Hand tool
A hand tool for turning sockets connectable to nuts and bolts has a handle attached to a head having an inside cylindrical surface. A body joined to a member for holding a socket has a plurality of...
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6367354 |
Dual analog and ratchet wrench
A wrench device has a bearing-type clutch for providing a unidirectional rotational force and an opposite unidirectional independent rotation. The wrench device includes both a bearing-type...
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6311787 |
Power driven rotary device
A drill 30 for driving a bit 44 into a workpiece 50 includes an assembled anvil 58 and spindle 38, which are mounted for rotation together and for axial movement together within a drill housing 32....
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6311584 |
Ratchet wrench having an additional driving device
A ratchet wrench includes a handle having an internal gear formed in a head. One or more ring gears are rotatably received in the head and engaged with a bevel gear which is received in the handle...
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6305516 |
Ratchet tool
A ratchet tool includes a handle with a tubular member extending therefrom in which a cylindrical member is received. A sleeve is rotatably mounted to the cylindrical member. The cylindrical member...
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6253646 |
Roller-type ratchet device for wrench
A roller-type ratchet device is used for a wrench which includes a driving head defining a receiving hole and a plurality of actuating recesses. The ratchet device includes a driving body secured...
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6202513 |
Socket wrench
A socket wrench has a handle and a box head. The box head has a rotating seat, a recess, and three concave points. The rotating seat has four protruded blocks, four control grooves, and a center...
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6202512 |
Torsion screwdriver
A torsion screwdriver includes a positioning sleeve, a locking tube, a plurality of locking cylinder rods, a curved spring strip, a rotary member, a coupling sleeve, and a bit-driving shaft. The...
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6116119 |
Shifting mechanism for reversible friction drive
A reversible drive mechanism for socket wrenches, having a detented selector cap thereon. The socket driving post of the wrench is fixedly attached to a triangular shaft rotatably contained within...
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6112624 |
Rotary lever assembly for a wrench with a direction control mechanism
A rotary lever assembly for a wrench includes an elongated tubular coupler, which has a tongue of a polygonal cross-section that is adapted to engage fittingly a polygonal groove in a socket...
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6112623 |
Tool for screwing a screw having two threaded portions separated by an intermediate screwing portion
A tool for driving a screw having two threaded shanks separated by an intermediate portion. The tool includes a rod having a tapped end portion adapted to engage one of the threaded shanks. The...
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6101902 |
Ratchet wrench
A ratchet wrench including two clamping panels, a base seat, a rotary member, an engaging member, a pressing member and a resilient member. The two clamping panels are respectively formed with two...
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6082512 |
Selectable one way stepless clutch
A stepless ratchet one way clutch mechanism, which provides an improved ratchet tool, is disclosed. A drive head is rotatably fitted into a cylindrical recess in a wrench housing. The drive head...
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6053077 |
Ratchet wrench having two driving stems
A ratchet wrench comprising a handle including a first end having a head formed thereon, a gear rotatably received in the head and including an upper portion having a first driving stem extended...
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6050165 |
Ratchet box wrench
A ratchet box wrench (10) comprising an elongate handle (12). A main housing (14) is at one end of the elongate handle (12). The main housing (14) has a circular cavity (16) therein with a seat...
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5984022 |
Automatic shaft lock
An automatic shaft lock is incorporated into the transmission or drive components of a power driving tool of the type commonly used to tighten or loosen threaded fasteners, for example. The...
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5943921 |
Reversible screwdriver with angle and length adjustable driving shaft
A hand tool which includes a handle holding a sleeve on the inside, a shaft moved in and out of the sleeve, a coupling member pivoted to the shaft and turned between a first position where the...
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5941140 |
Reversible stepless wrench
An elongated handle includes at one end a cylindrical housing. A drive element having a tool grasping member at one end, extends into the cylindrical housing. A plurality of camming surfaces on the...
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5848561 |
Ratchet socket wrench and socket arrangement
A ratchet socket wrench and socket arrangement including a socket having a hexagonal coupling end, and a ratchet socket wrench having a box at one end and ratchet wheel mounted in the box and...
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5829325 |
Screwdriver
A screwdriver has a socket seat, an inner shaft and an outer shaft. The socket seat has an outer wall, a circular crenulation, a central hole, a circular interspace and enlarged blocks. The inner...
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5768961 |
Self-adjusting socket for a wrench handle
A self-adjusting socket (14) for a wrench handle (16) having a drive end (18) with a ratchet reverse lever (20) and a square peg (21). The socket (14) comprises a cylindrical wall (22). A component...
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5752590 |
Ratchet tool
A ratchet tool includes a housing having a bole for rotatably receiving a rod and having one or more grooves for receiving supporting members and having a curved slot formed around the hole for...
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5697267 |
Socket wrench
A socket wrench is provided between an inner rotary seat thereof and an outer fitting seat thereof with a plurality of slender steel bars, rubber sleeves and resisting bars, which work together to...
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5651294 |
High torsion screwdriver
A screwdriver includes a seater which is formed with an axially extending polygonal hole that is defined by a plurality of curved locking sides, and a positioning member which has an annular rotary...
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5632186 |
Reversible screwdriver
A reversible screwdriver includes a handle, a screw cap and a socket respectively fastened to two opposite ends of the handle, a shaft fastened to a bottom center hole of the socket by a clamp, and...
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5619890 |
Spanner
A improved spanner includes a lever handle, coaxial interior and exterior rings, a plurality of columned cams with non-circular cross section retained in an annular space formed between both rings,...
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5596913 |
Wrench
A wrench for tightening a tightening member to another member by revolving the tightening member around its axis, wherein the wrench comprises an inner surface which is attached to the outer...
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5535647 |
Friction clutch wrench
A friction clutch wrench in the style of locking grip pliers for imparting torsion to an object. Jaws open to access the work from the side, and then close and lock rigidly around the work. Once...
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5531139 |
Unidirectional drive tool mechanism
A unidirectional drive tool mechanism includes a housing having three or more recesses formed in the inner peripheral surface. A shaft is rotatably engaged in the housing. Three or more pairs of...
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5509332 |
Friction clutch hand tool
A friction clutch hand tool in the style of a socket wrench for tightening and loosening common mechanical fasteners. Socket may be received from either side into a cylindrical opening through the...
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5509331 |
Gear drive ratchet action wrench
The invention is a rotating driver tool which uses a housing having a chamber with a drive gear that drives and ratchets with a driven gear, which is biased by coaction of springs and camming balls...
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5499559 |
Structure of reversible socket wrench
A reversible socket wrench including a handle having a box end, an adapter for mounting a socket for turning a workpiece, an adapter holder mounted within the box end and covered with a top cover...
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