Abstract: A connecting shaft includes a fixed connecting part on one end and a connecting part on the other end for engaging with a socket, the connecting part is in curved part, a shoulder for connecting to the inner circumference of the socket is disposed between the connecting part and the connecting shaft, the purpose of the shoulder is for the connecting shaft to be able to turn or position with the socket, an axial hole is disposed inside the connecting part for a axial rod to insert into, a ball hole is disposed on each side of the connecting part and the two ball holes are connected to the axial hole, a steel ball is inserted into each ball hole, when the axial rod moves, it will also drives the two steel balls to move, one end of the axial rod is connected to a sliding control element, so that the sliding control element will drive the axial rod to move together on the axis, so as to control the two steel balls to allow the socket to turn upon the connecting shaft or to engage together in position.

Abstract: A lock/release mechanism for the crank handle of a winch consists of a set of one or more pins that are captured within the drive head of the handle. Within the drive head is an actuation rod, which acts on these pins. Depending on the position of the rod, the pins are either moved or pushed outward (lock position), or retracted into the drive head (unlock position). The actuation rod is moved by means of a lever that enables removal of the crank handle with one hand.

Abstract: A screwdriver fast connector is comprised of a shank including an insertion channel, an accommodation hole with a coil, an accommodation channel, and an elastic member penetrating the shank in radius; a locking member including a steel bead; and a slide member including a sleeve, an elastic member and a C-clamp, a first accommodation and a second accommodation spaces being provided to the sleeve; and the steel bead holding against a retaining part between both accommodation spaces so to fast mounting and removal of the tip by moving the steel bead.

Abstract: A swing head structure of a wrench with two kinds of torque output includes a head part and a handle pivotally coupled together by a shaft, the wrench can also be used as a ratchet wrench or can rotate the handle backwards and forwards to make the head part to rotate in one direction, the rotating direction can be changed, the swinging movement of the head part does not affect the rotation and transmission of the wrench and the handle, the swinging head part includes two kinds of torque output to the wrench.

Abstract: An apparatus for automatically coupling a tool to a manipulator having a spindle. The apparatus includes a first adapter and a second adapter. The first adapter includes a spindle mating portion and a first threaded portion. The second adapter includes a second threaded portion adapted to engage the first threaded portion and a tool mating portion adapted to engage the tool.

Abstract: A hand tool having an adjustable head includes a handle, a head and a head locking assembly. The handle has an elongated slot with a bottom. The head has a body that has a pivot junction pivotally mounted in the elongated slot and having an exterior toothed surface. The head locking assembly includes a sliding block, a rotatable locking assembly and a block biasing assembly. The sliding block is slidably mounted in the elongated slot between the pivot junction and the bottom of the elongated slot and includes an engaging device to engage the exterior toothed surface of the pivot junction. The rotatable locking assembly is rotatably mounted in the sliding block and includes a locking device such as an eccentric cam to abut the bottom of the elongated slot to restrict the sliding block in motion and lock the head at a given angular position.

Abstract: A socket adapter includes a main body, a movable member, an elongated rod, a ball, and an elastic member. Thus, the socket adapter is mounted on a socket to provide a torque on the socket so as to rotate the socket. In addition, the socket adapter is mounted on and detached from the socket easily and conveniently.

Abstract: This invention discloses device for a socket wrench to be firmly and fixedly combined with a motive tool, where the socket wrench is prevented from falling off from the combining during use. A pin insertion hole is formed in a blind hole with its one end as a closing portion and thus center of gravity for the pin is established toward at the closing portion far from center of the socket wrench whereby shock and excess force are absorbed in this new center of gravity, whereas the combing pin can be surely maintained at the seat avoiding from the condition in which the socket wrench and the motive tool are not separated off with firm combining.

Abstract: 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 a socket unlock position. A hexagon body has inwardly inclined ramp sections adjacent an inside continuous cylindrical wall of a yoke drivably connected to the motor to oscillate the yoke. Rollers located between the ramp sections and cylindrical wall of the yoke transmits rotational movement of the yoke to the body and socket drive member. A muffler mounted on the air motor reduces the noise generated by the air motor.

Abstract: A ratchet wrench includes a wrench body, a ratchet wheel, a direction control mechanism, a drive member, a ball, and a quick release mechanism. The quick release mechanism includes a bolt, a movable rod, a press knob, and an elastic member. Thus, the socket is mounted on and detached from the driving head of the drive member easily and rapidly, thereby facilitating a user mounting the socket on the driving head of the drive member and detaching the socket from the driving head of the drive member.

Abstract: A protective sleeve is provided for use with an extension bar. The extension bar includes a detent and a button that can be pressed in order to control the detent. The protective sleeve defines a hole and an aperture communicating with the hole. The hole receives the extension bar when the aperture receives the button.

Abstract: A T-connector holding tool is a tool for immobilizing or applying a torque to a T-connector. The tool has an elongated handle portion and a head portion fixed to the handle portion. The head portion includes a pair of rigid claws, each including an interior surface sized to capture a corresponding one of two aligned nuts of the T-connector. When applying a torque to the third nut of a T-connector, the T-connector is immobilized by capturing the aligned first and second nuts and applying a counteracting torque to the T-connector, the counteracting torque being opposite the torque applied to the third nut.

Abstract: A socket wrench apparatus for applying enhanced torque having a first ratchet head which has a first ratchet mechanism therein and a first rotatable generally rectangular drive outwardly extending from the first ratchet mechanism. A first tubular handle is connected to the first ratchet head. The first tubular handle terminates at a first free distal end. The first free distal end has a square hole therein.

Abstract: A tool includes a longer handle member having a passage formed in a stem, a cover detachably attached to the longer handle member, a telescopic tool device detachably attached to the cover and engaging through and extendible out of the passage of the stem and having a magnetic element for attracting fasteners. A shorter handle member is detachably attached to the longer handle member, and a ratchet tool mechanism is detachably coupled to the shorter handle member for being driven by the shorter handle member. A magnetic securing device may secure the handle members together. A tool holder may be received in the longer handle member for receiving tool members.

Abstract: A driving tool includes a driving head with a passage defined therethrough so that a bar movably extends through the passage. A driving protrusion extends from a bottom end of the driving head and a top hole is defined through a top of the driving head. A positioning member is received in the driving head. The bar has a positioning portion which is engaged with the positioning member so that the bar is not rotatable in the passage.

Abstract: An anvil adapted to be received within an impact wrench comprises a round body and a square head. The square head is formed at an end of the round body. A tapered ramp extends from the round body to the square head. A radius is formed in the tapered ramp. The radius is defined by a removal of material in the tapered ramp.

Abstract: A power tool includes an annular recess adapted to be defined in the peripheral edge to receive therein a resilient loop, a slot adapted to be defined in a side face of the peripheral edge and a hole defined in a side face defining the slot to communicate with the annular recess so as to movably receive therein a ball such that engagement between the resilient loop and a first auxiliary tool mounted outside the driving end is secured because of engagement of the resilient loop to an inner face of the auxiliary tool.

Abstract: A tool is described comprising a shaft having a first longitudinal axis and a front segment, wherein the front segment has a cross-sectional area, wherein the front segment is configured to engage at least a portion of a screw head, and wherein the front segment has at least a first recess having a second longitudinal axis substantially transverse to the first longitudinal axis; at least one spring element housed in the first recess, wherein a first portion of the spring element at least partially protrudes transversely across the first longitudinal axis; wherein the cross-sectional area is substantially polygonal, having a least one radii; wherein the second longitudinal axis is substantially aligned with at least one radii; and wherein the portion of the spring element protruding transversely across the first longitudinal axis is elastically deformable.

Abstract: A pivotal driving tool includes a socket having a non-circular cavity formed by three or more planer side walls, and having an inner retaining ring. A mandrel includes a driving shank having a non-circular cross section for engaging into the socket, to allow the socket to be rotated by the mandrel. The mandrel includes a narrowed neck portion to allow the mandrel to be pivoted relative to the socket, and one or more flat surfaces to solidly anchor the driving shank to the socket. A magnetic member may be disposed in the mandrel, to act on and to pull the driving shank into the cavity of the socket. A barrel may be slidably engaged onto the socket, to engage onto and to be disengaged from the mandrel.

Abstract: An extension structure for a tool includes a main body, a drive rod movably mounted in the main body, an elastic member mounted in the main body and urged between the main body and the drive rod, and a rotation control member rotatably mounted on the main body and rested on the drive rod, so that the drive rod is moved in the main body by rotation of the rotation control member. Thus, the extension structure is assembled easily and quickly and has a rigid construction without detachment.

Abstract: A sectional adjustable socket tool handle, which controls the movement of an axial rod along the axial direction of an external pipe. The tool includes a plurality of grooves, a coupler for engaging the plurality of grooves, such that a latch member on the external pipe is latched into the groove under normal conditions, and the coupler can move between a first position and a second position along the axial direction of the external pipe. When the coupler moves to the first position, the coupler will press against the latch member to prevent the axial rod from moving. When the coupler moves to the second position, the coupler will release the latch member.

Abstract: A grip structure for a pressure-based tool has a main body, a grip, an operating rod, a flexible part, and a pressure block. The pressure block and operating rod are assembled in a groove of the main body. A bottom of the pressure block and a surface in the groove of the main body are set with an elastic supporter in between. A bottom of the pressure block is equipped with a groove so that a top of the elastic supporter contacts the bottom of the grip by passing through the groove. The grip is urged by the elastic supporter regardless of an upward or downward motion applied to the grip.

Abstract: A wrench includes a tool head having a number of teeth formed in a chamber, and a handle having a shaft rotatably engaged into the chamber of the tool head and having a channel laterally formed in the shaft, a stem is engaged into the channel of the shaft, and includes one or more actuators. A follower is slidably received in the channel of the shaft, and includes one or more teeth for engaging with the teeth of the tool head, and for selectively locking the handle to the tool head at selected angular position. The follower includes a space formed by an inner peripheral surface, for engaging with the actuators. One of the actuators may force the teeth of the follower to solidly engage with the teeth of the tool head.

Abstract: An extension tool includes a shaft having an annular groove and an orifice and an aperture formed in a front portion, to receive a retaining ring and a ball and an insert. A stem is slidably engaged into the shaft and includes a number of depressions for selectively receiving the ball, and for adjustably securing the stem to the shaft. A control ferrule is engaged onto the shaft, and has a protrusion biased to force the ball to engage into either of the depressions of the stem. A spring-biased projection is attached to a rear portion of the stem, and has a detent movable to engage into the aperture of the shaft, to lock the stem to the shaft, and to prevent the stem from being disengaged from the shaft inadvertently.

Abstract: A socket assembly includes an inner sleeve, an outer sleeve movably mounted on the inner sleeve, a space defined between the inner sleeve and the outer sleeve, and an attachment device mounted in the inner sleeve. Thus, the screwdriver head is locked by the locking member elastically, so that the screwdriver head can be mounted on and detached from the inner sleeve easily and conveniently, thereby facilitating the user mounting and removing the screwdriver head.

Abstract: A screwdriver is disclosed having a shaft with a screw holder. The screw holder is receivable in a recess in a screw head, and has a spring element which can be elastically deformed transverse to the longitudinal axis of the shaft. A portion of the spring element may be engaged with a bore in the shaft and the bore may penetrate the front end of the shaft. The elastic segment may be disposed in a groove parallel to the longitudinal axis of the shaft segment so that, in the unstressed state of the spring element, at least a portion of the elastic segment protrudes beyond the cross-sectional surface of the shaft segment to engage a surface of the screw head recess to thereby retain the screw on the shaft.

Abstract: In a selective one-way wrench, a handle projects from an annular head. The annular head defines a first space and a second space communicated with the first space. A gear is rotationally put in the first space and includes a toothed external face. A direction controller is put in the second space and includes two pawls and a spring installed between the pawls each including a rod formed thereon and a toothed face. A driver is put rotationally in the second space and includes two fingers selective one of which contacts the rod of selective one of the pawls so as to bring the toothed face of the selected pawl into engagement with the toothed external face of the gear. A direction switch is installed rotationally on the annular head and operably connected with the driver.

Abstract: A fastener-driving tool assembly includes a fastener-driving member and a coupling device. The fastener-driving member includes a first end and a second end for driving a fastener. The first end of the fastener-driving member includes a polygonal opening. The coupling device includes a first member and a second member. The second member has a polygonal end securely engaged with the polygonal opening of the fastener-driving member. The first member includes an end for engaging with the other end of the second member. The other end of the first member includes a polygonal engaging hole for engaging with one of an extension rod, a handle, and a polygonal first end of a second member of a similarly constructed coupling device.

Abstract: A ground rod includes first and second ends connected by a shaft portion. The first end has an auger configuration permitting it to be drilled into the ground. The opposite end is adapted to attached to either an electric drill or an impact wrench. This drastically reduces the time required to drive the ground rod into the ground. In an alternate embodiment, the ground rod also adapted to attach to a handle which allows it to be manually inserted or removed from the ground.

Abstract: An adapter for prompt engagement a shank of screw driver with a handle includes a tubular adapter connected with a handle, a polygonal central bore having a reduced bottom, a concaved front outer periphery to define a shoulder thereunder, a plurality of conical through holes around a middle peripheral wall for respectively disposing a plurality of steel balls, a conical spring disposed into the central bore having a large thick upper portion blocking the conical through holes and a small incompact lower portion fixed in the reduced bottom, an annular sleeve with an annular convex on middle inner periphery slidably wrapped on the adapter biased by a circular spring on the shoulder, an annular cap fixed on the top of the adapter with a circular ring engaged therebetween, a receiving space for receiving the steel balls and a polygonal shank of in the bore is held by the steel balls.

Abstract: An anvil adapted to be received within an impact wrench comprises a round body and a square head. The square head is formed at an end of the round body. A tapered ramp extends from the round body to the square head. A radius is formed in the tapered ramp. The radius is defined by a removal of material in the tapered ramp.

Abstract: A hand tool includes a driving member, and a wrench body mounted on the driving member. The wrench body includes a handle, a driving head mounted on an end of the handle, and a locking portion rotatably mounted on the driving head and inserted into the mounting hole of the driving member. Thus, the wrench body can drive the driving member to rotate through 360 degrees reciprocally so as to rotate and unscrew the nut successively, so that the driving member can be used to unscrew the workpiece easily and rapidly.

Abstract: A method and apparatus for coupling an attachable tool to a handle comprising a coupler device fixedly attached to the handle and having a locking structure moveable between locking and release conditions and being carried by a coupler body having an inner wall defining a cavity that is accessible via a cavity dimensioned and shaped to receive the attachable tool and having a first locking member for cooperative abutting engagement with the attachable tool to temporarily move the locking structure to its release condition when the attachment shaft is inserted into the cavity and a second locking member for cooperative engagement with the locking structure when the attachment shaft is inserted substantially into the cavity and the locking structure is moved to the locking position to inhibit removal of the attachment shaft from the cavity.

Abstract: A ratchet socket wrench has a main body, a shaft disposed on the main body, a drive device engaging with the shaft, and a sleeve engaging with the drive device. The drive device has a center hole, and a ratchet portion having a plurality of ratchets and an outer periphery groove. An elastic ring encloses the outer periphery groove of the drive device. A collar encloses the drive device. The sleeve has a corrugation hole, and a pawl portion having a plurality of pawls and an outer periphery recess. The pawls engage with the ratchets. The shaft is inserted in the center hole of the drive device. The collar has an inner annular flange. The drive device further has an annular recess to receive the inner annular flange of the collar.

Abstract: A quick-release socket adapter for a T-shape socket wrench is capable of overcoming the inconveniences caused in operation by the excessive tight or loose engagements of the conventional T-shape socket wrench with a socket, which is an integral structure composed of a slide rod and a slide head. In operation, a ball defined in the slide head can be projected outward or retracted in the slide head just by rotating or moving the slide rod, so as to achieve an effective quick release or engagement of the T-shape socket wrench with the socket.

Abstract: A coupling device includes a polygonal coupling part on one of the parts to be coupled for engaging a complementary polygonal counterpart on another of the parts to be coupled. The polygonal coupling part has outer side faces, a longitudinal bore therein, and a first transverse bore with a ball therein intersecting the longitudinal bore and one of the side faces. An actuating body tapering at first and second ends is guided for longitudinal movement in the longitudinal bore between an extended position wherein the first end moves the ball radially into a locking position and a retracted position permitting inward movement of the ball out of its locking position. A second transverse bore intersecting the longitudinal bore guides a releasing element having a cam surface engaging the second end of the actuating body. The releasing element is movable against the action of a biasing spring to move the actuating body from its extended position to its retracted position.

Abstract: A wrench head member has an attachment extension which allows the user to attach the wrench head member to a handle. The extension is a collar extending from the side of the wrench head member and having one or two holes extending through the sidewall of a hollowed section. The hollowed section is configured to engage a standard socket extension. Alternately, the wrench head member may have a post which engages a hollow within a handle member. The wrench head member may be a part of a wrench system or kit. The wrench head member has an attachment extension which allows the user to attach the wrench head member to a handle, preferably a socket extension. The attachment between the handle and the wrench head member is a male/female connection. Preferably, the wrench head is the female member having a collar extending from the side of the wrench head and having a pair of holes extending through the sidewall of the collar for the locking ball and release button on a socket extension.

Abstract: A connector includes a connector seat combined with an operation member and including a main body, a movable rod, a positioning ball, and at least one spring. Thus, the main body is movable relative to the operation seat of the operation member to retract the positioning ball into the receiving cavity of the movable rod, so that the socket can be mounted on and detached from the connector easily and conveniently, thereby saving the manual work.

Abstract: A drive tool is shiftable between locking and releasing configurations relative to an associated tool, the drive tool including a lock member moveable between a locking position and a release position relative to the associated tool, an actuator member moveable between a locking condition and a releasing condition, and coupling structure interconnecting the actuator member and the lock member. The lock member is tiltable to a latching condition which prevents its movement to its release position. In one embodiment the coupling structure is substantially rigid so that the lock member and the actuator move in substantially the same direction, and in another embodiment the coupling structure is flexible and resilient. The coupling structure may be fixedly coupled to the actuator member or may be loosely coupled thereto and biased to a rest condition.

Abstract: A multipurpose socket wrench includes a handle having a box at one end, a driving member, the driving member having a hollow ratchet unit disposed at one side and coupled to the box of the handle and a coupling unit with equiangularly spaced pawls disposed at the other side, and a socket for use with the driving member and the handle to rotate a bolt or nut, the socket having a polygonal coupling hole disposed at one side and adapted to receive the workpiece and a plurality of pawls equiangularly spaced at the other side for engagement with the pawls of the driving member for enabling the socket to be driven by the handle to rotate the workpiece.

Abstract: A leverage assembly is used in combination with an elongated hand tool. The hand tool has a first end adapted for engaging an object and a second end opposite the first end. The leverage assembly includes an adapter bar having first and second ends. A U-bolt attaches the first end of the adapter bar to the second end of the hand tool. A leverage bar engages the second end of the adapter bar. A receptacle is formed with the adapter bar for receiving the leverage bar. The leverage bar, adapter bar, and hand tool cooperate to multiply a force applied by the user to the object to manipulate the object.

Abstract: A socket wrench extension includes an elongated rod, a drive rod, a steel ball, a control knob, an elastic member, and a magnetic member. The screw member is inserted into the socket, and is attracted by the magnetic force of the magnetic member that is secured on the drive rod, so that the screw member is secured on the drive rod and is not detached from the socket, thereby facilitating the user using the elongated rod and the socket to operate the screw member. In addition, when the control knob is pressed, the drive rod and the magnetic member are fully retracted into the receiving chamber of the elongated rod, so that the screw member is detached from the magnetic member automatically.

Abstract: An adapter of screwdriver for coupling with screwdriver bits and the likes and generally comprising a sleeve, a slide ring, a spring and a retainer ring. The slide ring is a column member interiorly defined with a multi-stage hole, at the front of which is provided with a cone inner ring having increased cone ratio, a secondary inner ring and a big inner ring in turn, the sleeve has a hexagonal socket hole formed at the front end thereof and at the same an annular groove is defined for engaging with a C-shape ring, the retainer ring, the C-shape ring, the spring and a ring are mounted to a assembling diameter of the sleeve, which is characterized in: at the outer periphery of the assembling diameter of the sleeve thereof a hole is defined for the passage of the downward flange, through which, the downward flange is able to engage in the retainer groove of the screwdriver bit.

Abstract: This invention discloses device for a socket wrench to be firmly and fixedly combined with a motive tool, where the socket wrench is prevented from falling off from the combining during use. A pin insertion hole is formed in a blind hole with its one end as a closing portion and thus center of gravity for the pin is established toward at the closing portion far from center of the socket wrench whereby shock and excess force are absorbed in this new center of gravity, whereas the combing pin can be surely maintained at the seat avoiding from the condition in which the socket wrench and the motive tool are not separated off with firm combining.

Abstract: A wrench extension with a socket-coupling system includes a socket extension shaft, a transmission member mounted in an axial passageway in an end of the wrench extension shaft, a ball mounted in a first transverse passageway in the end of the wrench extension shaft, and a push member mounted in a second transverse passageway in the wrench extension shaft. The transmission member includes a sliding portion that is in sliding contact with a sliding portion of the push member for urging the ball into a detent of a cavity of a socket coupled to the end of the wrench extension shaft. When the socket is subject to an axial force away from the wrench extension shaft, the transmission member is stopped by the push member to thereby prevent undesired decoupling of the socket.

Abstract: A coupling for torque transmitting devices is disclosed. The coupling employs polygonally shaped first and second ends having retaining balls held within each of the corners of the polygon. Pin cones are provided in each of the first and second ends. Actuation of a set screw or the like causes each of the pin cones to push the retaining balls radially outwardly in a simultaneous fashion thereby engaging a first and second members to be coupled.

Abstract: A socket drive head structure includes a drive head, an actuating rod, an actuating knob, a positioning ball, and an elastic member. Thus, the socket drive head structure is mounted on and detached from a socket rapidly, easily and conveniently, so that the user needs not to exert a large force to remove the socket from the socket drive head structure. Further, the outer threaded portion of the actuating knob is directly screwed into and locked in the threaded knob hole of the actuating rod, so that the actuating knob is actually fixed on the actuating rod easily and conveniently, thereby facilitating assembly and maintenance of the socket drive head structure.

Abstract: A tool assembly includes a multi-purpose tool, an adaptor and a socket wrench. The multi-purpose tool includes a body that contains implements such as knives, openers, scissors and other such devices. A fixed plier jaw extends from the body, and a movable plier jaw pivots about the body to a closed position against the fixed plier jaw. The closed plier jaws include an opening that surrounds and engages a driven section of the adaptor. The driven section includes an elongated cross-section to form a long torque arm within the closed jaw opening. A flange at each end of the driven section holds the adaptor in an axial direction. A universal socket may be attached to the driven end of the adaptor to provide a wrench suitable for many fastener shapes.

Abstract: A handle is provided for use with a bit or extensive rod. The handle includes a socket. The socket includes a thin section, a thick section, an annular face between the thin and thick sections, an axial cavity and a radial aperture communicated with the axial cavity in the thin section. A detent is put in the radial aperture. A chuck is put on the socket for control over the detent.

Abstract: An extension structure for a tool includes a main body, a drive rod movably mounted in the main body, an elastic member mounted in the main body and urged between the main body and the drive rod, and a rotation control member rotatably mounted on the main body and rested on the drive rod, so that the drive rod is moved in the main body by rotation of the rotation control member. Thus, the extension structure is assembled easily and quickly and has a rigid construction without detachment.