Abstract: A driving tool for driving jackset screws includes an input shaft, output shafts, gear assembly, driver heads, and a yoke. The input shaft is configured to receive torque. The first and second output shafts are operably connected to the input shaft via the gear assembly. The gear assembly includes a differential gear assembly rotatably engaged with the input shaft. The first driver head is attached to a distal end of the first output shaft. The second driver head is attached to a distal end of the second output shaft. The yoke is connected to and extends between ends of the first and second output shafts. The yoke defines a position of the distal ends of the first and second shafts relative to each other and is configured to adjust a distance between the first and second driver heads.

Abstract: An example torque reaction tool includes a first arm having an end with a longitudinally extending cavity, and an opposite end with a first socket drive element disposed perpendicular to a longitudinal axis of the cavity. The torque reaction tool further includes a second arm having an end portion slidably disposed within the cavity, and an opposite end with a second socket drive element thereon, oriented in the same direction as the first socket drive element. The torque reaction tool further includes a first fastener, disposed in a first threaded hole in the first arm that extends into the cavity, the first fastener being adjustable to engage the end portion of the second arm to restrict sliding movement of the second arm relative to the first arm.

Abstract: A tool for installing and removing a highly-torqued fastener that allows an individual to easily and efficiently remove or install a bolt from or onto a crankshaft pulley or similar assembly. The tool includes a prismatic housing, a worm gear assembly, a torque input, and a torque output. The prismatic housing is a rigid structure that is used to conceal and protect the worm gear assembly. The torque input allows an individual to manually provide the torque force through the use of a ratchet tool, motor drive, or other similar tool. The torque output is able to receive a bolt socket in order for the tool to provide the torque force to a bolt of a crankshaft pulley. The worm gear assembly is used to transfer the torque force from the torque input to the torque output. Thus, the tool can easily remove or install a bolt.

Abstract: The present disclosure is directed to an apparatus for use with an adjustable wrench to limit the displacement of a broken portion of the adjustable wrench relative to the remaining parts of the adjustable wrench when the wrench fractures.

Abstract: Handles and other accessories for a remote or extension wrench that assists the user better control and maneuver the remote wrench relative to a work piece. For example, the remote wrench housing can include a handle that is coupled to the remote wrench. The handle can also be rotatable relative to the remote wrench and positionable at a desired angle of rotation for improved maneuverability.

Abstract: One example of the present disclosure relates to a wrench for applying torque to an object threadably engaging a part. The wrench includes a first handle, a second handle, a drive, a planetary gear mechanism, a first pawl, and at least one second pawl. The drive includes an internal gear and an external gear. The planetary gear mechanism includes a ring gear, a sun-gear component including a sun gear, and a planetary carrier including at least one pinion gear in mesh with the ring gear and the sun gear. The first handle is coupled to the ring gear. The second handle is coupled to the planetary carrier. The first pawl is movably coupled to the first handle and is biased to contact the external gear of the drive. The second pawl is movably coupled to the sun-gear component and is biased to contact the internal gear of the drive.

Abstract: A valve bridge adjustment tool has top and bottom sections disposed in fixed relation to each other and preferably made of steel or another durable metal alloy. The bottom section has a U-shaped recess with an open end that is releasably engageable with a knuckle of a valve bridge to stabilize the bridge whenever a jam nut is either loosened or tightened. The top section comprises a hexagonal outer wall and a substantially cylindrical bore adapted to receive the jam nut upwardly through the U-shaped recess into the bottom portion of the bore, with sufficient remaining clearance around the jam nut to permit insertion of a pass-through socket into the top of the bore and into engagement with the jam nut. The subject invention is especially useful with many internal combustion engines having four valves per cylinder.

Abstract: A tool having segments forming a triangle wherein a connecting bolt segment moves the other two segments together, thus rotating a valve nut, is disclosed. The tool can be attached and easily operated without the disadvantage of having to apply physical strength in an awkward position. Different embodiments are provided that are adaptable to various valve body types.

Abstract: An apparatus for mounting support tileframes for electrical devices includes a mechanism for holding the tileframe, inserted into the said tileframe or guided for holding by the user, two or more chucks, whose number varies according to the number of screws to be fixed on the tileframe, each of which is equipped with an insert for holding and directing the rotation of one of the screws, and in which the chucks are activated, simultaneously and in the same direction, either to screw tight or unscrew said screws, by means of a screwing attachment, which can be attached temporarily to the apparatus.

Abstract: An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed.

Abstract: A tool configured to install and torque multiple fasteners, such as nuts and/or bolts, positioned in confined and/or hard to reach areas. The tool includes a body portion, a plurality of fastener retainers, and a structure which permits both the remote tightening and torquing of such fasters. The tool also provides an actuator for the remote release of torque loads which may build up in the fastener retainers during such torquing of the fasteners. The actuator includes a lever arm pivotally connected to the body portion and a cam that is rotatable between a first position and a second position. A linkage is engaged by the cam and urges the lever arm to a torquing position upon the cam being in the first position and to a torque release position upon the cam being in the second position.

Abstract: A wrench includes a transmitting device and a shell. The transmitting device comprises a rotor, a first working member, a second working member, a first linking member and a second linking member. The first linking member is disposed between the first working member and the rotor. The shell has a containing room for the linking device to be disposed therein. The shell comprises a middle section. The first end of the middle section extends upwardly to connect with the first section. The second end of the middle section extends downwardly to connect with the second section. Thus, the wrench has two stair portions of different horizontal level. And Users can hold the wrench more stably. Because the wrench uses the rotor and two linking members to drive the first working member and the second working member rotating, a total size of the wrench can be kept as smaller as possible.

Abstract: An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed.

Abstract: An apparatus for connecting or disconnecting a threaded coupling between two riser joints, comprising:—a frame (11) provided with a space (12) for receiving the coupling;—a first drive wheel set (20) carried by the frame and comprising one or more drive wheels (21, 22) driven by a first drive motor (23) for rotating a main nut of the coupling; and—a second drive wheel set (40) carried by the frame and comprising one or more drive wheels (41, 42) driven by a second drive motor (43) for rotating a locking nut of the coupling. The drive wheels of the second drive wheel set are located on a level above the drive wheels of the first drive wheel set to allow them to engage with and rotate the locking nut when the drive wheels of the first drive wheel set are in engagement with the main nut.

Abstract: An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed.

Abstract: A prior art sucker rod tong is improved to remove a coupling completely from a sucker rod assembly comprising sucker rods joined end to end by couplings. The prior art sucker rod tong has a rotatable jaw assembly and a lower backup wrench adapted to cooperate to unscrew a coupling joining first and second rods, where the coupling remains screwed to the second rod after it is unscrewed from the first rod. The improvement comprises a coupling extractor for unscrewing the coupling from the second rod so that the coupling can be replaced. The coupling extractor comprises a shaft having an extractor end portion on each end of the shaft and a shield around each extractor end portion, wherein the coupling extractor is designed and sized to fit within and to be rotated by the jaw assembly. The extractor end portion engages the inside wall of the coupling to unscrew the coupling from the second rod. The extractor end portion is preferably a tapered, left-handed spiral fluted easy-out extractor.

Abstract: A tong assembly is disclosed, comprising: a frame having at least a pair of posts spaced laterally from each other to receive a tong between the posts, each post extending vertically and having a lateral stabilizing surface on a side facing inward or outward; and a tong stabilized in relation to the frame by the lateral stabilizing surfaces and by each post being received by respective openings in the tong that have a cross lateral dimension sufficient to permit cross lateral movement of the tong in relation to the frame by at least one half of the cross lateral length of the lateral stabilizing surface.

Abstract: A fastening device used to fasten two locknuts to an object simultaneously includes a pedestal defining a first sliding groove, a pair of fixing blocks, a pair of rotating elements, a pair of first gear wheels and a second gear wheel. The fixing blocks are received and fixed in the first sliding groove. Each of the fixing blocks defines a through hole. Each of the rotating elements includes an operating portion and a shaft portion received in the through hole. Each of the pair of gear wheels includes a gear body attached to corresponding one of the shaft portions respectively and a sleeve protruding from the gear body and snugly receiving one of the locknuts. The second gear wheel is attached to the pedestal and engaging the pair of first gear wheels to achieve synchronous movements of the pair of first gear wheels.

Abstract: A wrench includes a transmitting device and a shell. The transmitting device comprises a rotor, a first working member, a second working member, a first linking member and a second linking member. The first linking member is disposed between the first working member and the rotor. The shell has a containing room for the linking device to be disposed therein. The shell comprises a middle section. The first end of the middle section extends upwardly to connect with the first section. The second end of the middle section extends downwardly to connect with the second section. Thus, the wrench has two stair portions of different horizontal level. And Users can hold the wrench more stably. Because the wrench uses the rotor and two linking members to drive the first working member and the second working member rotating, a total size of the wrench can be kept as smaller as possible.

Abstract: An anti-slip wrench includes a handle having two opposite grip surfaces, and at least one slant slot formed on at least one of the grip surfaces of the handle. The slant slot is through the grip surface from one lateral surface of the handle to the other. The slant slot is a concave surface with two side edges, which meet the grip surface respectively. The slant slot is positioned at an included angle located between a slot axis of the slant slot and a longitudinal axis of the handle. The concave surface of the slant slot accommodates a thumb of a user when gripping the handle. The slant slot on the handle is provided to prevent the thumb from sliding longitudinally and transversely when gripping the handle.

Abstract: An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed.

Abstract: A tong assembly is disclosed, comprising: a frame having at least a pair of posts spaced laterally from each other to receive a tong between the posts, each post extending vertically and having a lateral stabilizing surface on a side facing inward or outward; and a tong stabilized in relation to the frame by the lateral stabilizing surfaces and by each post being received by respective openings in the tong that have a cross lateral dimension sufficient to permit cross lateral movement of the tong in relation to the frame by at least one half of the cross lateral length of the lateral stabilizing surface.

Abstract: A multi-wrench gear head apparatus for adjusting tie-rod assemblies of dissimilar size. Such an apparatus employs a plurality of driven wrench (socket) portions, which can be provided to engage and adjust tie-rods of different and particular sizes. The wrench portions share a common gear train, such that multiple wrench portions may be driven by a single drive means.

Abstract: An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed.

Abstract: An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed.

Abstract: A dual screwdriver is provided for connecting and disconnecting a connector assembly having first and second jackscrew guideposts. In one embodiment, the dual screwdriver includes a housing, a user input rotatably coupled to the housing, first and second manually-bendable shafts each rotatably coupled to the housing, and first and second bits mounted to the distal end portions of first and second manually-bendable shafts, respectively. The first and second bits are configured to matingly engage the first and second jackscrew guideposts. A gear train is disposed in the housing and mechanically couples the user input to the first and second manually-bendable shafts. The rotation of the user input drives the rotation of the first and second manually-bendable shafts and, therefore, the rotation of the first and second jackscrew guideposts when matingly engaged by the first and second bits, respectively.

Abstract: A hand tool comprises a support, a handle, at least two spindles, a driver, at least two followers and at least two spanners. The handle is rotatably mounted on a middle portion of the support. The at least two spindles are respectively fixed to two opposite ends of the support by ends thereof. The driver is mounted on an end of the handle. The at least two followers are respectively rotatably attached on another end of each spindle and drivably connected with driver. The at least two spanners are attached on a surface of each follower which is away from the corresponding spindle.

Abstract: A screw fastener includes a first screwdriver including a first bit configured to fasten a first screw by engaging with a recess of the first screw, and a first motor configured to rotate the first bit, a second screwdriver including a second bit configured to fasten a first screw by engaging with a recess of the second screw, and a second motor configured to rotate the second bit, an elevator unit configured to simultaneously ascend and descend both the first screwdriver and the second screwdriver, and a controller configured to control the first motor and the second motor so that seating of the first screw can start after torquing-up of the second screw starts.

Abstract: An apparatus includes first and second coupling devices each having a lever end, a gripping end, and an elongated slot: an axle disposed within the elongated slot of each coupling device where the coupling devices may pivot relative to each other about the axle: a threaded shaft operatively attached to both a bushing pivotally disposed at the first coupling device lever end and a threaded seat pivotally disposed at the second coupling device lever end and configured to advance the lever ends toward each other as the threaded shaft is rotated in a first direction; and a pair of latches rotatably attached to a respective gripping end of a respective coupling device, each latch having a distal toe plate configured to engage a circumference of one of a pair of washers, the apparatus configured to tighten or loosen the pair of washers by imparting opposite rotational forces to the washers.

Abstract: A fluid operated torque tool tightens a nut through a spring washer on a plate on a railroad crossing, and has a housing, two coaxial drives applying equal turning forces in opposite directions around an axis, with one of the two coaxial drives located around the other of the two coaxial drives, a first socket attached to the one coaxial drive and configured to fit on the rectangular plate, and a second socket attached to the other coaxial drive inside the first socket and configured to fit on the nut, with the washer being not engaged by the sockets, so as to tighten the nut and to tighten up the spring washer onto the plate while the first socket and the housing stand still.

Abstract: A hand tool comprises a support, a handle, at least two spindles, a driver, at least two followers and at least two spanners. The handle is rotatably mounted on a middle portion of the support. The at least two spindles are respectively fixed to two opposite ends of the support by ends thereof. The driver is mounted on an end of the handle. The at least two followers are respectively rotatably attached on another end of each spindle and drivably connected with driver. The at least two spanners are attached on a surface of each follower which is away from the corresponding spindle.

Abstract: A multiple lug nut removal tool includes an air gun that includes a cylindrical housing having a front end. A cover is mounted over the front end. A drive axle is mounted within the housing. A primary gear is attached to the drive axle. A plurality of secondary axles extends through the cover. Each of the secondary axles has a first end positioned within the housing and a second end extending outwardly away from the cover. Each of a plurality of secondary gears is attached to one of the first ends. The secondary gears are each in communication with the primary gear. Each of a plurality of couplers is attached to one of the secondary axles. Each of a plurality of sockets may be attached to one of the secondary axles by the couplers so that the sockets are rotated when the primary gear is rotated.

Abstract: An open-end ratchet wrench includes a housing defining a handle and a head with an open mouth for receiving first and second elements of a work piece therein. A fixed jaw member on the wrench engages the first element and a moving jaw member engages the second element of the work piece. A squeeze lever is operable to rotate the moving jaw member about a center axis of rotation selectively in either a clockwise or counterclockwise movement, to thereby tighten or loosen the second element relative to the first element. An engagement assembly operates the moving jaw member between an operable position in engagement with the work piece and a retracted position, wherein the jaw member moves away from the center axis of rotation to back off and release from operative engagement with the second element, thereby allowing removal of the wrench from the work piece.

Abstract: Valve operator having a weighted powering assembly that is substantially supported and balanced on a generally upright elongated key that drivingly engages a rotatable valve nut.

Abstract: A device for simultaneously removing all of the lug nuts on a vehicle's wheel, thereby reducing the amount of time required to remove the wheel from the vehicle. The device has multiple sockets that fit over each lug nut. Each socket is turned by a lug gear and all of the lug gears are turned by a single central gear. The central gear has a hole or slot in its center for receiving a hand tool or power tool that provides the rotational force. The lug gears are positioned around the circumference of the central gear and the teeth of the lug gears engage with teeth of the central gear. An outer ring gear surrounds all of the lug gears providing an inward pressure that maintains the connection between the teeth of the lug gears and the central gear. When the central gear is rotated each of the lug gears rotate in an opposite direction thereby allowing each lug nut to be turned simultaneously.

Abstract: A torque wrench assembly system comprising a housing, a transfer shaft positioned in the housing, a first drive gear arrangement coupled to the transfer shaft; at least a second drive gear arrangement slidably coupled to the transfer shaft; a first drive shaft coupled to the first drive gear arrangement and having an end extending from the housing; a second drive shaft coupled to the second drive gear arrangement and having an end extending from the housing; a torque generating device that is coupleable to the transfer shaft, to the first drive gear arrangement and/or the first drive shaft; wherein the distance between the first drive shaft and the second drive shaft is slidably adjustable by the slidability of the at least second drive gear arrangement along the transfer shaft; and wherein the coupling of the first drive gear arrangement and the at least second drive gear arrangement via the transfer shaft provides that the first and second drive shafts can provide an at least essentially equal torque.