Abstract: An insertion/extraction tool for inserting and extracting components in a housing includes a clamp member that attaches to a component in the housing. A lift member includes a bearing attached to the clamp member. A bridge includes a threaded member attached to the clamp member with a lead screw. The lead screw is threaded through the threaded member in the bridge and terminated at the bearing attached to the clamp member. The lead screw raises and lowers the lift member as it rotates, thereby translating the component relative to the housing.

Abstract: An apparatus and associated method for lifting a workpiece. An upright frame operably supports a lead screw for selective rotation. A carrier threadingly engages the lead screw so that rotation of the lead screw in one rotational direction linearly advances the carrier in a lifting direction and rotation of the lead screw in the opposite rotational direction linearly advances the carrier in a lowering direction. A mechanical power inlet is adapted for receiving an input torque from a user. A mechanical power transmission assembly has a first gear fixed in rotation with the mechanical power inlet and a different second gear fixed in rotation with the lead screw, the first and second gears sized so that the input torque imparted on the first gear is less than an output torque imparted by the second gear to the lead screw.

Abstract: A lift assist device for assisting a user in lifting an item includes a base having a center portion and a side portion that is angled relative to said center portion, a support shaft extending upward from the center portion of the base, and a support platform rotatably attached at an upper end of the support shaft and rotatable about an axis that is generally parallel to a longitudinal axis of the support shaft. The lift assist device is tiltable between a loading position, where the side portion of the base rests on a floor or support surface and the support shaft is in a tilted orientation, and a lifting position, where the center portion of the base rests on the floor or support surface and the support shaft is in a generally vertical orientation.

Abstract: A jack assembly including a base for contacting a support surface and a shaft having a first end coupled to the base and a second end, wherein the shaft includes a power screw disposed therein; and a coupling head pivotally coupled to the second end of the shaft, wherein the coupling head is adapted to be coupled to an object to be lifted.

Abstract: One possible embodiment of the invention could be a tree jack comprising an extension member that connects to a telescopic mechanism; the telescopic mechanism being proximate to a base tube, the telescopic mechanism moves the extension member away from the base tube; the base tube has two tube ends, an open tube end and other tube end, the open tube end continuously connects to a hollow interior that accepts the extension member, the open tube end further supports the telescopic mechanism; a base platform that attaches to the base tube at the other tube end; wherein the extension member is placed into a tree having a list while the base platform supports the tree jack relative to a ground proximate to the tree, the telescopic mechanism forcibly extends the length of the tree jack to reduce the list of the tree.

Abstract: A jacking mechanism for industrial equipment includes an insert securable in a casing hole of a first casing half of an item of industrial equipment and a jacking bolt insertable in the insert. The jacking bolt includes a jacking bolt thread meshable with an insert thread and a bearing tip secured to the jacking bolt. Advancing the jacking bolt through the insert brings the bearing tip into contact with a second casing half thus moving the first casing half relative to the second casing half. A jacking system for industrial equipment includes a plurality of jacking mechanisms configured to evenly change a gap between the first casing half and the second casing half.

Abstract: A scissor car jack includes a spindle, a base, a support head, a cross-member, and a spindle support with a threaded bore for holding the spindle. The base and support head are rotatably connected to the crossmember and the spindle support by way of a respective support arm, and wherein the support arms are connected with one another in the area of the base and the support head and/or in the area of the crossmember and the spindle support, and the spindle is coupled to the crossmember and the spindle support so that when the spindle is rotated, the distance between the spindle support and the crossmember can be changed. The length of the support arms can be changed telescopically and can be locked in the extended state by way of locking pins so that the scissor jack can be collapsed into a smaller volume, in particular for purposes of stowage.

Abstract: The invention is an extendible lateral support arm to span between a building structure and a structure adjacent. The extendible arm has at least two elongate arm members that are coupled together in a manner to be able to displace relative each other. The first arm defines a first end of said extendible arm. The second arm defines a second end of the extendible arm. The distance between the first and second end is able to be varied. The first end presents a first head that can engage to the building structure. The second end present a second head that can be secured to the structure adjacent.

Abstract: A swing support mobilization lift includes a jack and a pivotably positionable swing arms, pivotally coupled to the jack, such that the attachment mechanism is capable of being initially displaced in the plane of the jack mechanism during insertion of the lifting device in a narrowly accessible space adjacent to shelving. Then, the swing arms are capable of being pivoted to extend outwardly from the plane of the surface of a jack facing the shelving, such that the shelving may be attached to the swing arms, such as by pins tethered to the jack. In one example, a pair of swing arms disposed on opposite sides of a portion of the shelving sandwich the portion of the shelving and support opposite ends of the pins coupling the swing arms to the shelving.

Abstract: An improved jack assembly for use with a trailer tongue of a towed vehicle. The jack assembly including telescoping height adjustment of the assembly, a pivot assembly for pivoting between a vertical and horizontal stowed position, and a clip for maintaining a handle assembly in a stowed position when not in use. The jack assembly also includes the use of bushings for the telescoping tubes to enhance the sliding movement between the tubes and aid in maintaining the axial alignment of the tubes thereby extending the life of the jack assembly. The pivot assembly further includes an attachment bracket that may be rotated to accommodate at least two different sizes of trailer tongues.

Abstract: An elevation mechanism includes a platform, a base assembly, a scissor lift assembly and a sliding assembly. The base assembly includes a threaded rod having two threaded portions and two threaded members threadedly engaging with the threaded rod. Rotation directions of the two threaded portion are opposite to each other. The scissor lift assembly includes a plurality of articulated first scissor legs and a plurality of articulated second scissor legs pivotedly coupled to the respective second scissor legs. The sliding assembly includes two fixing members fixed to the platform, a sliding rod fixed between the two fixing members, and two sliding members slidablely connected to the sliding rod. The two sliding members are correspondingly pivotedly connected to the upmost first and second scissor leg. The two threaded members are pivotedly connected to the lowermost first and second scissor legs.

Abstract: A mechanical hand held door opener device, light in weight and operable in any orientation including being inverted, for generating substantial door-opening force with a minimum effort from a user. When the user rotates the handle, he or she activates the unit by moving the shaft that interlocks with the first and second bevel gears. Since the second gear is fastened to the central lead screw, its rotation causes the rotation of the screw. The rotation of the screw then advances or retracts, depending on the clockwise or anti-clockwise rotation; and the inner platform and the four columns attached to the inner platform moves inwardly or outwardly of the outer platform.

Abstract: A puller tool and method for pulling a component from another component are provided. The puller tool can include a cross bar, a pair of puller legs that are movable along the length of the cross bar and a forcing screw. The puller legs can be quickly positioned anywhere along the length of the cross bar through a quick release mechanism. The cross bar can include notches on its outer surface to ensure that the puller legs are equidistant from each other during use.

Abstract: A jack includes an outer tube, an inner tube and a lifting device. The outer tube has a positioning member and a driving rod connected thereto. The positioning member is positioned by an object and the driving rod is driven by a crank. The inner tube is located in the outer tube and the lifting device is located on the top of the inner tube so as to lift the outer tube. The positioning member is located on the top of the outer tube and the driving rod is located below the positioning member. The positioning member is positioned by a pivotal device which pivots the positioning member to a desired angle and positions the positioning member.

Abstract: In a method and a device for moving a working means in the ground, a coupling means rotatable about an axis of rotation for establishing a drive connection between a push-pull unit and a rod assembly having at least one projection and/or at least one recess is engaged with the projection and/or the recess of the rod assembly such that via a first contact area of the coupling means a first feed force is transmitted from the push-pull unit to the rod assembly. By the counter force opposite to the first feed force a torque acting on the coupling means is generated, which torque presses a second contact area of the coupling means against the rod assembly with a contact force. By the contact force, a non-positive connection is established between the push-pull unit and the rod assembly. Via this non-positive connection, a second feed force is transmitted to the rod assembly. By at least a part of the first and second feed force acting on the rod assembly a linear movement of the rod assembly is caused.

Abstract: A cable pulling cap can include: (a) a lower portion with a top and a bottom, the lower portion comprising one or more lower sidewalls, the one or more lower sidewalls define an lower cavity; (b) an upper portion with a top and a bottom, the upper portion including one or more upper sidewalls, the one or more upper sidewalls define an upper cavity, the top of the upper portion having an access channel, the bottom of the upper portion further configured to mechanically couple to the top of the lower portion; (c) a bearing sized to a diameter less than a width of the access channel of the upper portion and located in the upper cavity; and (d) a pulling stem having a first end and a second end, the first end of the pulling stem configured to mechanically coupled to a portion of the bearing. Other embodiments are disclosed in this application.

Abstract: A puller tool and method for pulling a component from another component are provided. The puller tool can include a cross bar, a pair of puller legs that are movable along the length of the cross bar and a forcing screw. The puller legs can be quickly positioned anywhere along the length of the cross bar through a quick release mechanism. The cross bar can include notches on its outer surface to ensure that the puller legs are equidistant from each other during use.

Abstract: An expandable spinal implant device for supporting vertebral bodies can include first and second body members and first and second expansion mechanisms. The body members can each have a first end positionable toward one of the vertebral bodies and can each define a hollow interior. The expansion mechanisms can be spaced apart from each other and can include a first drive shaft and a second drive shaft, respectively. The first and second drive shafts can each have a gear member fixedly coupled thereto. Each drive shaft can be threadably engaged at a first side to the first body member and at a second side to the second body member. The expansion mechanisms can be operable to effect axial displacement of the first body member relative to the second body member by rotationally driving the gear members of the first and second drive shafts.

Abstract: A manipulation tool for a bellows includes a first arm and a first engaging member extending from the first arm. The first engaging member is configured to be removably engaged with an outer axial surface of a first flange portion of the bellows. The manipulation tool for the bellows further includes a second arm movably positioned with respect to the first arm along a longitudinal axis of the bellows, and a second engaging member extending from the second arm. The second engaging member is configured to be removably engaged with an outer axial surface of a second flange portion of the bellows.

Abstract: In a ball screw device, a ball screw linear-movement member is screwed with a ball screw rotary member and configured to linearly move in accordance with a relative rotation with the ball screw rotary member. A housing is holding the ball screw rotary member. A motor is disposed in a motor chamber of the housing, and configured to rotate the ball screw rotary member with a rotor coupled to the ball screw rotary member. A stopper is configured to collide with a brake when an amount of a relative linear movement between the ball screw rotary member and the ball screw linear-movement member becomes no less than a prescribed amount. The brake is configured to decelerate rotation of the rotor by the collision of the stopper with respect to the brake.

Abstract: An adjustable support apparatus for a recreational vehicle permits rapid height adjustment with a spring mechanism of a handle-nut assembly on a threaded rod. A portion of the threaded rod is inserted into the hollow portion of a jackscrew assembly. A tab on the handle-nut assembly includes an over-sized hole intersecting a threaded hole for engaging the threaded rod. An approximate desired height of the support apparatus is accomplished by pushing a tab inward and sliding the handle-nut assembly to a desired position on the threaded rod. A fine adjustment to the desired height, if required, is made by turning the handle nut assembly so that it travels with respect to the threaded rod.

Abstract: A support unit for moving an object may include an elongated member, at least one suction device coupled to the elongated member for attaching to an object, a lifting mechanism for raising and lowering the elongated member and an attached object, and a rotating member for moving the support unit and the attached object from a departure location to a destination location.

Abstract: An elevator assembly includes a carrier, a first arm, and a second arm. Each arm has a primary portion pivotally connected to the carrier and a secondary portion pivotally connected to the primary portion. A first gear system interconnects the first arm and the second arm for synchronous rotation with respect to the carrier in opposite directions. A pair of second gear systems establish a geared relationship between the secondary portions of the arms and the carrier. A support member is connected to the secondary portions of the arms, wherein rotation of the primary portions of the arms with respect to the carrier drives the support member between a neutral position and at least a first extended position.

Abstract: A lifting mechanism with self-locking function, including an ascending/descending seat, a rocking member pivotally connected with the ascending/descending seat, a guide section and a prestressing section. The rocking member serves to convert a horizontal force provided by a power source into a vertical force to up and down reciprocally move the ascending/descending seat in the direction of Z-axis. The guide section includes guide members, which can be cross roller ways for guiding the ascending/descending seat to ascend/descend. The prestressing section can be adjusted to change the gaps between fixed guide rails and movable guide rails of the cross roller ways. Accordingly, the sliding friction between the fixed guide rails and the movable guide rails can be adjusted to provide auxiliary locking force for locating the ascending/descending seat.

Abstract: A wall straightening apparatus provides multiple independently controllable jacking members pressing outward on diagonal braces to push those braces against the wall to move the wall into a vertical alignment. Feedback control of the jacking members provides coordinated straightening of large wall sections with lessened cracking and distortion.

Abstract: A telescopic apparatus includes two tubes, a positioning unit and two contact units. The tubes are telescopically connected to each other. The positioning unit is operable for moving and positioning the tubes relative to each other. Each of the contact units includes a cap secured to a relative one of the tubes and a pad pivotally and elastically connected to the cap.

Abstract: A jack bar includes an outer tube, an inner tube and a positioner tube coaxially located. The positioner tube is extendable to adjust a length to the jack bar in use while enabling the jack bar to be retracted for storage. The jack bar further includes a clamp configured to receive tubes of various shapes. The clamp is further configured to prevent twisting or turning of clamped tubes.

Abstract: An apparatus which is positionable between a structure to be lifted and an underlying support surface for lifting the structure utilizes a bottom plate and a cap between which a spacer member, such as a piece of tubing, is positionable and a threaded rod which is threadably received by an internally-threaded opening in the cap. By rotating the threaded rod within the cap, the threaded rod moves lengthwise relative to the cap. Therefore, by positioning the apparatus between a structure to be lifted and an underlying support surface and then rotating the threaded rod within the cap, the bottom plate and the threaded rod act between the structure to be lifted and the underlying support surface to lift the structure.

Abstract: The invention relates to a tensioning device (1) for chains, having a spindle body (2) which is provided with at least one spindle thread (11), and with at least two coupling elements (3, 4), wherein at least one coupling element (3, 4) comprises a coupling thread (3b, 4b) screwed to the spindle thread (11), and with a securing element (5) which is embodied to be transferable from a release position, in which the coupling thread (3b, 4b) can be rotated with respect to the spindle thread (11), to a securing position, in which a rotation of the coupling thread (3b, 4b) with respect to the spindle body (2) is blocked in a form-fitting manner. To provide a tensioning device with an easily operatable and secure release protection, the tensioning device (1) comprises at least one securing element (5) which creates a positive rigid body coupling between the at least one coupling element (3, 4) provided with a coupling thread (3b, 4b) and the spindle body (2) in the securing position.

Abstract: A lifting strut and stabilization system includes a lower outer tubular member in slidable engagement with an upper extendable inner tubular member, a mechanism for receiving and supporting a jack on the outer tubular member, a pin for optionally restraining the upper tubular member from further engagement into the lower tubular member, while allowing unrestrained extension of the upper tubular member from within the lower tubular member, and a removably attached jack having a bracket at its upper end incorporating a saddle or half-hole for engaging a strut lift pin located in a corresponding saddle, half-hole or flat bearing surface located on the upper end of the lower tubular member, the lift pin extending through the saddle holes in the upper tubular member, such that upon actuation of the jack, the upper jack bracket engages the lift pin and extends the upper tubular member from within the lower tubular member.

Abstract: A post adjustable in length as required. The post can be adjusted at any time during and after construction. The post can be used as an extension of a column which requires adjustment in length. The post can be used as a jack. The post is capable of withstanding compression, tension, and dynamic loading. The post can be used to provide support to beams and girders in a house frame.

Abstract: A lift system removes a display unit or components thereof from a tiled display wall in a way that minimizes the risk of damaging the removed display unit and other display units in the tiled display wall. A lifting structure is configured to selectively lift one or more display units away from the desired display unit when the lifting structure is raised by a vertical motion actuator. The lifting structure is further configured to be free to rotate slightly about a vertical axis when lifting the display units, so that the lifted display units are not constrained to purely vertical translation when lifted away from the desired display unit.

Abstract: A device for use in actuating a valve to control the flow of fluids through a flow tube comprises a stationary ring surrounding the flow tube, the ring having an inner diameter greater than an outer diameter of the flow tube. An interior of the ring and an exterior of the flow tube have complementary screw threads. At least three actuators are equally circumferentially spaced along an exterior of the ring. When activated an actuator induces a screw thread on the interior of the ring to engage a screw thread on the exterior of the flow tube such that the flow tube is moved in an axial direction relative to the ring.

Abstract: A puller tool and method for pulling a component from another component are provided. The puller tool can include a cross bar, a pair of puller legs that are movable along the length of the cross bar and a forcing screw. The puller legs can be quickly positioned anywhere along the length of the cross bar through a quick release mechanism. The cross bar can include notches on its outer surface to ensure that the puller legs are equidistant from each other during use.

Abstract: In a worm-rack type transmission device (1), a curved side portion (6) is provided on rack teeth (2a) of a linear rack (2) in a manner to form a part of an ellipsoidal surface (E) and twisted by a changing rate (?) of a torsional manner a toothed streak (5) of a worm wheel (3). The worm wheel (3) brings the toothed streak (5) into engagement with the curved side portion (6) in a line-to-line contact, enabling to a self-locking property and strengthening a transmission power to insure a high transmission efficiency with a least friction loss so as effectuate a linear drive for an extended distance travel with a high precision.

Abstract: A lifting device includes a jack having a first portion and a second portion movable relative to the first portion. A coupling is fixedly attached to the second portion for movement relative to the first portion, the coupling extending away from the second portion and having a configuration for selective attachment to a receiver hitch. The second portion may be moved relative to the first portion with a handle. The lifting device includes a sleeve coupled to the coupling for movement with the sleeve. Support tubing may extend through the sleeve for contact with the ground. This tubing may be locked into place relative to the sleeve. With the tubing, sleeve, and coupling locked into place, a vehicle will be upheld if the jack portions fail. The lifting device may also include a bumper attachment for raising a vehicle that does not have a receiver hitch.

Abstract: A jack assembly including a base for contacting a support surface and a shaft having a first end coupled to the base and a second end, wherein the shaft includes a power screw disposed therein; and a coupling head pivotally coupled to the second end of the shaft, wherein the coupling head is adapted to be coupled to an object to be lifted.

Abstract: Apparatus and methods are provided for extracting surface components having an attachment and installed within a surface. In one embodiment, a tool includes a cross member located between a lifting device and a lift plate having an engagement for engaging the attachment. A lift member extends from the lift plate extending through the cross member so as to engage the lifting device so that the lift member is mounted for tilting displacement with respect to the cross member. In another embodiment, a tool for extracting a surface component includes a cross member engaged by supports extending to the surface, for supporting the ends of the cross member above the surface while supporting the cross member against rotation with respect to the surface. Methods are also disclosed for extracting surface components above a surface.

Abstract: A load indicator for a spring loaded tensioning device. The indicator comprises an o-ring displaceable along a spring loaded tensionable shaft in a turnbuckle device. When the turnbuckle is unloaded, the indicator device is placed in a known position relative to an indicating mark. When the turnbuckle is loaded, the load causes the load indicator to be displaced a known distance for a known load on the spring loaded turnbuckle. For camper tie-downs, a displacement of about one-quarter inch is desirable for a load of about 300 pounds tension.

Abstract: A quick rising supporting device includes a bar having a first threaded portion and a second threaded portion on the two sides respectively with a first connecting block and a second connecting block, and an axial portion on top of a supporting arm and a swing arm forming a Y shape bar are respectively axially connected to the first and second connecting blocks. A sliding block is formed on a side of the first connection block. The translatory shift of the bar on the second connecting block motivates the first connecting block to move in same direction when the bar rotates, the first connecting block is led by the first threaded portion to rotate and move forward to achieve the dual displacement speed of the supporting device.

Abstract: A tool is used to elevate and hold a garbage disposer against a sink fixture during removal and/or installation of a garbage disposer. The tool includes a flat base including a notch opening through a corner of a rectilinear base to allow an electric cord to pass around the tool. A flat load supporting platform includes a similar notch. A screw jack force applying mechanism allows the platform to be raised relative to the base. The tool works equally well with the base down or with the platform down so the user doesn't have to turn the tool over for it to work.

Abstract: A jack extension system includes a mechanical jack that has a vertical support and a foot mounted on the vertical support. The foot is moved upwardly or downwardly on the vertical support. The vertical support has an upper end. A bracket is removably attached to the upper end of the jack. The bracket has an opening extending therethrough. A post has a bottom end and a top end. The bottom end comprises a coupler that is removably attached to the foot. The top end comprises a plate. The post extends through the bracket and the plate is abuttable against an object to be lifted.

Abstract: There is provided an apparatus for nailing t-nut. The apparatus of the invention has a first nailing device. The first nailing device has a push bar; a rotation motion transmission mechanism; a first servo motor for moving the push bar up and down by means of the rotation motion transmission mechanism; a retaining portion to hold a t-nut; an alignment supplier to supply the t-nut to the retaining portion; and a receiving portion to hold a board. The apparatus further has a control device to control the rotation of the servo motor. The t-nut is release by the retaining portion when the push bar moves down. The upper end of the to-nut is pushed by the push bar. The push bar moves down at a speed faster than that of free fall of the t-nut when the retaining portion releases the t-nut, so as to nail the t-nut into the board.

Abstract: The present invention relates to a compact and portable motorcycle jacks comprising a turnbuckle mechanism. The present jack is a new use of an old device, said device being a turnbuckle, and said turnbuckle engaging with ground from one end and with the motorcycle swing bar on the other end. Whereas turning of the turnbuckle will lift the motorcycle. Turnbuckles are simple devices which are portable and can be easily located inside the motorcycle.

Abstract: A tool for the quick and easy installation and tensioning of track assemblies on skid steer loaders is arranged to properly and positively align and draw the free ends of the track together and hold the track ends in proper, aligned condition squared relative to each other for installation of the track link members and tensioning adjustment of the track as may be desired for proper operation of the vehicle. Additionally, this tool can be used to dismount the track by removing the pressure from the pivot bolts, allowing the operator to easily remove the bolts and then gently let the ends of the tracks apart.

Abstract: A support unit for moving an object may include an elongated member, at least one suction device coupled to the elongated member for attaching to an object, a lifting mechanism for raising and lowering the elongated member and an attached object, and a rotating member for moving the support unit and the attached object from a departure location to a destination location.

Abstract: A clamping apparatus of a puller includes a first clamping element, two second clamping elements, four pivoting elements and three adjusting rod modules. Each pivoting element is pivotally coupled to both ends of the first clamping element and an end of each second clamping element corresponding to the first clamping element. Another end of each second clamping element has a transverse penetrating hole. One of the adjusting rod modules is passed through a penetrating hole of each second clamping element, and the other two adjusting rod modules are passed through the penetrating hole of each pivoting element, so that the adjusting rod modules are arranged substantially in a triangular shape. The pivoting element is installed between the clamping elements for pivotally turning each adjusting rod module and automatically guiding to the central position and increasing the range between the clamping elements for mounting and installing a bearing easily.

Abstract: An operating includes a rack cut on both sides, sandwiched between two pinions with horizontal axes and arranged in the same horizontal plane or substantially in the same horizontal plane, driven into opposite directions by the same motorized system. The outlet shaft of the motorized system transmits the driving motion to a primary reducing system whose outlet shaft corresponds to the inlet shaft of a secondary reducing gear of planetary differential type including a solar pinion, satellite pinions and an outer ring. The satellite holder of the secondary differential reducing gear drives one of the pinions on one of the sides of the double rack, and the outer ring of the planetary reducing gear drives, by appropriate mechanical elements, a toothed wheel in charge of driving the second pinion on the other side of the double rack.

Abstract: A forced puller includes a central seat having a threaded hole centrally defined therein and extending therethrough. The central seat has two opposite sides each having a rod perpendicularly extending therefrom relative to an axis of the threaded hole. Two hook members are respectively slidably mounted to a corresponding one of the two rods. Each hook member is formed with a hook engaged to a workpiece that is purposed to be detached. A main threaded rod is screwed through the threaded hole in the central seat. The main threaded rod has a polygonal head formed on a first end thereof for user to forcefully rotate the main threaded rod and a push portion is formed on a second end of the main threaded rod to securely and longitudinally abut against the workpiece after rotating the main threaded rod.

Abstract: A tool is used to elevate and hold a garbage disposer against a sink fixture during removal and/or installation of a garbage disposer. The tool includes a flat base including a notch opening through a corner of a rectilinear base to allow an electric cord to pass around the tool. A flat load supporting platform includes a similar notch. A screw jack force applying mechanism allows the platform to be raised relative to the base. The tool works equally well with the base down or with the platform down so the user doesn't have to turn the tool over for it to work.