Abstract: A wrench has a body, a head and at least one pivotal device. The body has two arms separately formed on a distal end of the body and a mounting recess formed between the two arms. Each arm has a hole defined through the arm. The head is rotatably and replaceably mounted inside the mounting recess and has a driving hole defined through the head and two pivotal holes defined in the outer surface of the head and facing the holes in the body. The at least one pivotal device is movably mounted between the body and the head for holding the head. When the wrench is in use, the body may be rotated at various angles relative to the head, so that the wrench could be used in a limited space and is convenient in use. Furthermore, the head may be conveniently replaced depending on a user's needs.

Abstract: The present invention is directed to a detachable handle assembly for providing a mechanical device capable of utilization in securing and un-securing a work attachment, such as a blade or bit, to a hand-tool. The assembly includes a body portion for grasping, when implemented as an auxiliary handle for a hand-tool such as a power tool or a pneumatic tool.

Abstract: 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.

Abstract: An extension rod comprises a joint segment integrately formed on the extension rod, and a socket-coupling segment pivotally connected with the joint segment. The socket-coupling segment has a socket tool coupling assembly and a joint black coupling assembly that can jut out or retract from the surface of the socket-coupling segment so as to be combined with or released from an external socket tool and the joint segment, respectively. The socket-coupling segment further has a pressing head for controlling an operating pin that drives the socket tool coupling assembly and the joint block coupling assembly simultaneously.

Abstract: A tool of the type having a drive stud for receiving and releasing a tool attachment includes an opening in the drive stud and a locking pin movably mounted in the opening. The opening defines first and second ends, and the first end of the opening is located at a portion of the drive stud constructed for insertion into the tool attachment. An actuating member is movably positioned on the drive stud, and the actuating member defines a sliding surface that engages the pin. A first spring biases the sliding surface toward the pin, and a second, weaker spring biases the pin toward the sliding surface. The first spring reacts against a ring that is disposed between the spring and a shoulder formed on the tool. The shoulder extends away from the longitudinal axis of the drive stud by a lesser distance than the spring or the ring.

Abstract: An adjustable tool extender includes a sleeve defining a receptacle and an extension member having a first end and a second end, wherein the second end defines a cavity and is slidable within the receptacle of the sleeve. The extender also includes a bias member seated in the receptacle and an end disposed in the cavity for biasing the extension member outwardly from the sleeve to a fully extended position.

Abstract: A stepless telescopic hand tool includes a main body, a bar and a positioning device. The positioning device is installed between the main body and the bar, consisting of a rotating knob and a torsion spring. The rotating knob has an engaging hole bored axially at one side for correspondingly engaging with the bar and a penetrating hole bored at the other side for engaging with the main body. The torsion spring has a locking end at its two sides respectively for fitting in a hole of the bar and a locking hole of the rotating knob, for pivotally fitting the positioning device with the bar, enabling the main body to move freely while twisting the rotating knob and be tightened in case of releasing the rotating knob from being twisted.

Abstract: A wrench extension includes a body having an end with a coupling section for releasably coupling with an open end of a handle of a wrench that has an adjustable head pivotably connected to the other end of the handle. The wrench extension further includes a retaining member mounted to the end of the body for securely clamping the open end of the wrench on the end of the body. The retaining member is movable relative to the body to allow coupling of the wrench extension with wrenches with variously sized open ends.

Abstract: A tool device includes a tool shank having a noncircular engaging hole for slidably receiving a socket member which includes a noncircular bore for engaging with various fasteners, a biasing device may bias the socket member outwardly relative to the engaging hole of the tool shank, and an anchoring device may detachably and slidably anchor the socket member to the tool shank. One or more socket members may be replaced with each other for driving various tool members of different sizes or diameters or dimensions. A control ferrule may be slidably engaged onto the tool shank and selectively engageable with the detent and for selectively forcing the detent to engage with the socket member.

Abstract: A hand tool includes a first part including a head and a shank. Three first holes are defined in the shank and each receive a first stop and a first spring therein. A second hole is defined in shank and located at an axis different from an axis of the first holes, a second stop and a second spring are received in the second hole. A second part is movably mounted to the shank and includes a positioning hole with which one of the first stop is removably engaged. The second stop is slidably engaged with a groove in the second part. A third part is mounted to the second part and includes button which is pushed to remove the first stop from the position hole so that the second part and the third part can be moved relative to the shank.

Abstract: A tightening device leverage tool includes a bar member with a bar axis; a first receiver mounted to the bar member, and a second receiver mounted to the bar member and spaced-apart along the bar axis from the first receiver. The first and the second receivers are simultaneously engageable with a respective one of a first ratchet buckle member and a second ratchet buckle member, spaced apart from one another, for pivoting at least one of the first and the second ratchet buckle members about a pivot axis.

Abstract: An accommodating handle for hexagon spanner includes a box which is approximately a triangle and is assembled by an upper box and a lower box, wherein the three points of the triangle inside the lower box are respectively disposed a pillar, the three edges of the box are concaved inwardly to be arcs, a turning piece is mounted at the edge and one end of the turning piece is a pivoting end for pivoting on the box and the other end is a moving end having wedging points for wedging at the locations adjacent to the three points of the box, plural hexagon spanners in various sizes are sleeved on the pillar of the lower box in size sequence, and the three points of the box are respectively mounted an indentation for penetrating the working end of the hexagon spanners.

Abstract: A method and assembly for tightening a locking element in an orthopedic implant comprises a ratcheting mechanism that includes a shaft portion and a sleeve portion operatively connected over the shaft portion. The assembly further includes a first handle or wrench operatively connected to the shaft portion and a second handle or wrench operatively connected to the sleeve portion. The method comprises aligning the ratcheting mechanism over the orthopedic implant; operatively connecting the first wrench to the shaft portion; operatively connecting the second wrench to the sleeve portion; rotating the second wrench counter-clockwise to establish a position for leverage; holding the first wrench in a firm position; and rotating the second wrench clockwise while the first wrench is held in the firm position.

Abstract: A multi-functional hand tool comprises a hand tool body which has a handle; each of two ends of the handle having a connecting unit for connecting various assembly so that the hand tool has various functions. At least one connecting unit is formed with a recess. At least one connecting unit is formed with a polygonal connection portion. The handle is formed with a pivotal portion. The pivotal portion is installed at one third of the handle.

Abstract: A tool is provided in the form of an angled and/or offset ratchet wrench extension. The angles may be selected, but in a preferred embodiment, a ratchet extension provides a right angle drive. The tool comprises a socket driver that is adapted to be connected to a socket and a rotatable drive shaft rotatably mounted within a housing. A first direction changing transmission is provided near the end for converting the rotatable drive shaft motion to rotary motion to drive the socket driver at the specified angle. A ratchet wrench is connected to the distal portion of the rotary drive shaft. In a second embodiment, a second direction changing transmission is located near the distal portion of the rotatable drive shaft for converting the rotary motion of a ratchet wrench to the rotary motion of the rotatable drive shaft. The length of the extension may be adjustable.

Abstract: The present invention relates to a torque connecting mechanism, which comprises a connecting rod with a continuous indicating part and a strength control part, the indicating part and strength control part are implemented at a location where torque strength or other stress is easy to be concentrated. The indicating part extends along the axis of the connecting rod. A stop part is implemented on the connecting rod, and strength indicating mechanisms are provided on both sides of the stop part, a lock ring is utilized to make a rotation handle stay securely around the connecting rod. The rotation handle has a base line for coinciding with a base point on the driving end of the connecting rod, which makes the base line of the rotation handle become another strength indicating mechanism of the stop part of the connecting rod. So it is easy to notice the condition of the deformation on the connecting rod whether the rotation handle is mounted on or detached from the connecting rod.

Abstract: A crosswise wrench includes a prismatic core with a polygonal cross-section, a face plate nut head on one end and a working point on the other end. The wrench also includes three circular grooves and an extended element having face plate nut heads on its ends. The extended element has at least three identical pairs of apertures with mutually perpendicular axes crossing a longitudinal axis of the extended element at a right angle.

Abstract: An extension tool for a torque wrench has a drive end associated with a fastener and a driven end associated with the torque wrench that face 180° from each other. The drive end defines an axis of rotation and the driven end is co-axial with the axis of rotation, which eliminates the need for any type of torque correction due to a change in moment arm length. The extension tool also includes a hand support that allows an installer to apply a load in a direction along the axis of rotation as the torque wrench drives the fastener into place.

Abstract: A wrench includes an operative member and an extension. The operative member includes a first end for driving a fastener. The operative member further includes a second end having a connecting portion. The connecting portion includes an engaging hole. The extension includes a receiving hole in an end thereof. The connecting portion of the operative member is received in the receiving hole of the extension. A coupling portion protrudes inward from a perimeter wall defining the receiving hole. The coupling portion is engaged in the engaging hole of the operative member. Another operative member may be coupled to the other end of the extension.

Abstract: A handheld tool includes a first handle with a first driving portion and the second handle with a second driving portion. The second handle, which is located under the first handle, is connected to f the first handle for turning relative to the first handle between a retracted position and an unretracted position and is positioned at the retracted position and the unretracted position respectively. The second driving portion of the second handle is adjacent to the first driving portion of the first handle when the second handle is turned to the retracted position, and the second driving portion keeps a longest distance from the first driving portion when the second handle is turned to the unretracted position.

Abstract: A multifunction tool according to the present disclosure is formed in a generally “Y” shape to provide leverage and control when the tools included in the first arm or the second arm are employed. The main stem includes a ratchet assembly for a male drive element. The male drive element is specifically sized to drive a wobble socket as well as function as a bearing press for skateboard wheels. The wobble socket has offset pivot points to suitably engage the deck fasteners securing the trucks. The first and second arms each include sockets specifically sized for skateboard fasteners. Each arm socket extends from it's respective arm a suitable distance to engage wheel nuts without interference. The intersection of the first and second arms may also include a recess for engaging a separate drive tool for philips head screws and or other suitable recessed drive fasteners such as allen, hex, torx or other fasteners.

Abstract: Connectors capable of connecting socket and/or ratchet elements in a wrench assembly in such a manner that a nut- or bolt-engaging member at one end of the assembly is disposed at a selected position or orientation with respect to a handle at the opposite end of the assembly. The connectors include ninety-degree connectors characterized by male and female connector elements disposed in generally perpendicular relationship to each other. The connectors further include parallel offset connectors in which male and female connector elements are disposed in offset, parallel relationship to each other. The male and female connector elements are capable of removably engaging companion female and male connector elements, respectively, of various socket and/or ratchet elements to assemble the wrench assembly and facilitate positioning of a wrench handle at one end of the wrench assembly at a selected orientation with respect to a nut- or bolt-engaging element at the opposite end of the assembly.

Abstract: A spanner with a bending section comprises a handle and a driving portion; and a bending connecting portion connected between the handle and the driving portion; the driving portion being installed with an engaging head; a front end of the engaging head having an engaging end; a periphery of the engaging head having a plurality of teeth for engaging the driving portion; a length L of each teeth being longer than a width W of the engaging end. The ratio of L/W is from 2 to 3. Preferably, the ratio is 2.5.

Abstract: A socket tool has an internal hole that is adapted to receive a standard size thread corresponding to the size of the nut being driven. A set of such socket tools may be driven using one or more hollow extensions that engage a socket tool, the extension having a hollow portion adapted to receive the largest standard size thread of the set of socket tools. In some embodiments, an adapter tool may connect various driving tools to either a socket tool or an extension.

Abstract: A compact multipurpose tool including a bit head, a hollow first cylinder that defines a plurality of open-end wrenches on one end, and a second cylinder that communicates with the bit head and can be at least partially housed within the hollow first cylinder. In further features the hollow first cylinder defines a socket on the end opposite the plurality of open-end wrenches and the second cylinder includes a plurality of sockets.

Abstract: A socket adapter includes a main body having a receiving recess and a slide slot, a drive rod slidably mounted in the slide slot of the main body, and a control member movably mounted in the main body. Thus, the drive rod has a plurality of locking grooves, and the control member has a locking portion, so that when the control member is moved relative to the drive rod, the locking portion of the control member is locked in or detached from the respective locking groove of the drive rod, thereby positioning the drive rod on the main body or releasing the drive rod from the main body.

Abstract: A tool is provided in the form of an angled and/or offset ratchet wrench extension. The angles may be selected, but in a preferred embodiment, a ratchet extension provides a right angle drive. The tool comprises a socket driver that is adapted to be connected to a socket and a rotatable drive shaft rotatably mounted within a housing. A first direction changing transmission is provided near the end for converting the rotatable drive shaft motion to rotary motion to drive the socket driver at the specified angle. A ratchet wrench is connected to the distal portion of the rotary drive shaft. In a second embodiment, a second direction changing transmission is located near the distal portion of the rotatable drive shaft for converting the rotary motion of a ratchet wrench to the rotary motion of the rotatable drive shaft. The length of the extension may be adjustable. In another preferred embodiment, a chain drive and sprocket are used as the drive and angle changing direction transmission.

Abstract: Screwing tool (1) having a grip (2) and a shank (3), which is received removably in a cavity (4) open toward an end of the grip (2) and which at its free end has an actuating portion (5). The shank (3) is retained in a position of use such that it is fixed in terms of rotation on the grip, to avoid sliding in the axial direction, by a retaining element (14) associated with the grip (2). The retaining element (14) can be displaced into a removal position by displacement of an actuating member (6) in order for the shank to be removed from the grip (2). In a storage position, a large part of the shank (3) is located in the cavity (4), where it is held by a holding element (H). The holding element (H) is releasable, so that part of the shank (3) can be moved out.

Abstract: A wrench having a ratchet head able to vertically and horizontally rotate for 360° includes a tang having a longitudinal slit of predetermined length in the center and a pair of symmetrical prongs integrated with a front end thereof for rotatably engaging with a drum-shaped ratchet head which has a solid rectangular driver on underside and a hexagonal box driver on the top, a handle slidably sleeved on the tang having a small upper through hole for disposing a pressed button and a large lower through hole in an underside a bolt inserted through the lower through hole, the slit and screwed with the press button, a positioning cap fixed within the large lower through hole and biased by a spring therebetween engageable within one of the retaining grooves under the tang.

Abstract: A spring fixture (1) is provided for quickly installing or uninstalling a coil spring (36) in or from an electrical connector (3). The fixture includes an operation member (11) having a generally cylindrical handle (12) at an end thereof and an action member (16) assembled on an opposite end of the operation member by a screw cap (18). The action member defines a recess (1620) thereby forming a semi-circular bottom wall (1622) and a semi-circular inner wall (1624). During installing or removing the spring, the spring is received in the recess and surrounded by the inner wall. A method of using the fixture to install and remove the spring is also provided.

Abstract: A driving tool includes a driving stem having two or more outer peripheral grooves, a holding device having a tubular member slidably engaged onto the driving stem, a detent slidably received in the tubular member, and an actuating device having a control ferrule slidably engaged onto the tubular member and having an actuator for selectively actuating the detent to engage with either of the peripheral grooves of the driving stem and for adjustably attaching the tubular member to the driving stem at any selected position and for allowing the user to hold the driving tool at suitable or selected position when the driving stem is driven or rotated relative to the tubular member.

Abstract: A telescopic driving tool comprises a handle having an axial hole at a front end thereof for receiving an engaging portion; an interior of an engaging portion being formed with a receiving space; a periphery of the engaging portion being formed with at least one slit; an inner periphery of the engaging portion being formed with an inner thread; a driving rod; one end of the driving rod having an opener head for driving a screw and another end of the driving rod being installed with a thread portion; at least one stopper being installed below the thread portion; the driving rod can be inserted into the receiving space of the engaging portion and the stoppers being received within the two slits of the engaging portion; and a tightening unit being combinable with a front end of the engaging portion for tightly engaging the engaging portion.

Abstract: A wrench includes an operative member and an extension. The operative member includes a first end for driving a fastener. The operative member further includes a second end having a connecting portion. The connecting portion includes an engaging hole. The extension includes a receiving hole in an end thereof. The connecting portion of the operative member is received in the receiving hole of the extension. A coupling portion protrudes inward from a perimeter wall defining the receiving hole. The coupling portion is engaged in the engaging hole of the operative member. Another operative member may be coupled to the other end of the extension.

Abstract: The invention relates to mechanical engineering. The crosswise wrench comprises a prismatic core with a polygonal cross-section, a face plate nut head on the one end and a working point on other end, three circular grooves and an extended element having face plate nut heads on the ends thereof. The extended element has at least three identical pairs of partially mutually transversal apertures with mutually perpendicular axes, which cross a longitudinal axis of the extended element at a right angle. The first apertures of each pair of the partially mutually transversal apertures are through and have the same polygonal cross-section, as the prismatic core and the sizes ensuring its sequential placement in said apertures with the possibility of longitudinal movement.

Abstract: A locking tool includes a handle and an elongated tool blade having a body and a tang. The tool blade has a tang spline opening formed therein which defines an annular array of alternate spline teeth and splined slots. A transversely-extending lock member has a spline ring with an annular array of alternate spline ribs and spline grooves formed thereon complementary to the tang spline opening, and is translatable between a locked position and a released position. The tool blade is attached to the handle by the locking member such that when the lock member is in the released position, the tool blade is freely pivotable about the locking member. When the lock member is in the locked position, the spline ring engages the tang spline opening such that the tool blade is retained in one of a plurality of predetermined angular positions relative to the handle.

Abstract: A connector for easily secure a socket thereon includes an axle rotatably received in an axial recess in an end of the connector and an inclined slot is defined radially in the body. A spring is biased between a first end of the axle and an inside of the axial recess. A guide portion such as a concavity with various depths is defined in a second end of the axle. A ball is movably engaged with a radial hole in the end of the body and operatively in contact with the concavity. A controller is rotatably mounted to the body and a pin extends through a hole in the controller and the inclined slot and is engaged with a receiving hole in the axle. The pin is automatically rotated backward by the spring when the user releases the controller.

Abstract: Screw guide is provided and includes a cylindrical member having a first end adapted to rotate a fastener and a second end adapted to receive torque from an external source and transfer the torque to the fastener, a stop ring engaged with the cylindrical member that is adjustable to control the movement of the fastener with respect to the screw guide. The screw guide may also include a sleeve that surrounds the cylindrical member and the stop ring and a stand off ring that is engaged with the cylindrical member.

Abstract: A wrench includes a handle with a first driving portion extending from one side of a first end of the handle and a pivotable section has one end thereof pivotably connected to a second end of the handle. A second driving portion extends from one side of the other end of the pivotable section. The first and second driving portions are able to engage with an object and the first driving portion can output a larger torque to loose or tight the object, and the second driving portion is used to output a smaller torque. The pivotable section is rotatable about a pivot for connecting the pivot section to the handle so that the user may hold the handle and rotate the pivot section continuously to remove the object from the hole where the object is engaged therewith.

Abstract: A hand tool includes a handle having a connection end which includes a receiving recess defined axially therein. A function head has an insertion which is removably inserted into the receiving recess and rotatable about a longitudinal axis of the connection end. A positioning device is located between the insertion and an inner periphery of the receiving recess to prevent the function head from dropping from the receiving recess axially. The function heads can be easily replaceable as needed.

Abstract: The extendable socket extension is a tool that allows the user to be able to reach into small, tight places to either attach or remove bolts or screws. A first piece and a second piece are slideably connected. By using a thumb release, the second piece can slide in or out to a desired length. Once the desired length is reached the thumb release engages a locking pin holding the first and second piece to the desired length. A ratchet is then attached to the first piece and a socket wrench is attached to the second piece. The socket wrench is then attached to the bolt or screw to be inserted and removed and is rotated into or out of the desired location by the ratchet.

Abstract: An apparatus is provided that allows the use of a standard ratchet wrench with a square male drive on one end that attaches to a normal socket and a square female drive on the other end which attaches to a normal socket wrench. The apparatus then provides a wrench slider component to provide increased length to reach.

Abstract: A latching mechanism for coupling nestable drive shanks of a tool includes a housing presenting a locking pin movable between a normal locking position and a release position. First and second bias means cooperate to urge a free end of the locking pin in extension outside the housing so as to extend between aligned shank apertures and join the same. Upon user disengagement of one bias means on the locking pin, the locking pin is urged to a release position towards a location within the housing so as to withdraw the pin from the aligned apertures. The latching mechanism enables drive shanks to be connected at user selectable lengths therebetween.

Abstract: A flexible adaptable hand tool to facilitate access in constricted areas. It includes a working tool element engaging the bolt or other device to be manipulated, and a varying set of extension bar elements adapted to be removably affixed to the working tool element and to each other, providing a choice of lengths and angles between the hand of the user and the device to be manipulated. Adapters enabling the removable affixation of elements to each other are provided.

Abstract: A hand tool includes a work section and a handle section connected to the work section. The handle section has one recess defined in an outer surface thereof so as to receive a spring and a bead. An extendable portion is movably mounted to the handle section and has two dents. The extendable portion is moved relative to the hand portion by receiving the bead in one of the dents so as to have a longer arm of force when using the hand tool.

Abstract: A driving tool includes a driving shank having a handle for rotating the driving shank and having an engaging hole formed by two or more spring blades for receiving a fastener, and an actuating device for actuating the spring blades to move radially inward and to force and grasp the fastener to the driving shank, for preventing the fastener from being disengaged from the driving tool inadvertently. The actuating device may include a barrel slidably engaged onto the driving shank for moving the spring blades to grasp the fastener to the driving shank with such as an inclined engagement. A control ferrule may be used to move the barrel relative to the driving shank.

Abstract: A wrench assembly is mounted on a key ring, which keeps the wrench readily available for use in removing a vehicle antenna for washing the vehicle or reattaching the antenna after the vehicle. The wrench also protects the antenna mount by being temporarily attached thereto while the vehicle is being washed.

Abstract: A T-shaped ratchet wrench having a main body and a force-applying auxiliary arm. The main body includes a cross shaft and a working shaft. A ratchet driving mechanism having a change-over selector is disposed within an intersection position of both shafts. Each end of the cross shaft having an annular groove, and the working shaft has a polygonal head for inserting into a sleeve. Furthermore, the working shaft includes an annular groove in close vicinity to the cross shaft. The force-applying auxiliary arm includes an internal hole for mounting on either end of the working shaft or the cross shaft of the main body. The force-applying auxiliary arm has one end with an engaging socket and another end with a handle portion.

Abstract: 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. The rotatable allows a tool handle to rotate freely around the slideable shaft in one direction, but to engage with and lock against the slideable shaft when turned in an opposite direction. When the tool handle is moved in a locked direction, the slideable shaft is rotated, thereby rotating a socket or other suitable object.

Abstract: Disclosed is a sectionless length adjustment mechanism for the shank of a tool (e.g., screwdriver) and for releasably locking the shank in any one of a plurality of positions relative to the handle. In one embodiment the mechanism comprises a sleeve having a front flared end, a spring anchored in the sleeve, a shell including two opposite bars on its surface, and a nut secured to the sleeve. Pulling the shank forward will move the bars outward forward along the flared end to expand the spring. Pushing the shank rearward will move the bars inward rearward along the flared end to compress the spring. Stopping sliding will lockingly engage the shank. Loosening the nut will move the shell forward and expand the spring until the shank is free to slide with the bars disposed at a mouth of the flared end and disengaged from the shank.

Abstract: A torque wrench having structure for facilitating manual rotation of the rotatable output shaft, for rotating the output shaft to an effective angular position which enables an internal ratchet mechanism to operate effectively. This structure preferably is a knurled thumbwheel which slip fits over the output shaft, which is preferably a removable bit. The wrench includes a handle, socket for receiving a bit, and an internal ratchet. The bit is configured to drivably engage the thumbwheel, and to present a non-circular distal terminal for engaging and driving a fastener. Optionally, the thumbwheel is removably secured to the bit by friction fit or in other ways.