Abstract: A column repair jack, for repairing a column comprises a base, a lift member, an extending member, a releasable engaging member, a lift actuating member and a positioning member. The lift member is associated with the base member. The extending member includes a first end and a second end. The first end is associated with the lift member. The releasably engaging member, which is associated with the second end of the extending member, is capable of releasably engaging the column to be repaired. The positioning member positions at least a portion of the extending member at an angle relative to the column to be repaired. After attachment to a column, the lift actuating member facilitates the transfer of at least a portion of the load from the column to the column repair jack, to, in turn, facilitate repair of the column. The invention further comprises a method for attaching a column repair jack to a column to be repaired, for the repair of same.

Abstract: A drive train support tool is provided for supporting drive train components in a motor vehicle. The tool includes a tubular body having opposite ends, with extension members telescopically extending from the opposite ends of the body. A hook is provided on each extension member for hooking over the torsion bars or other suspension system components or opposite sides of the vehicle frame. A jack extends through the tubular body and can be threadably extended into a supportive engagement with the drive train component(s). Therefore, the tool will support the engine or any other drive train component while another drive train part is removed for work or repair at a location away from the vehicle.

Abstract: A jack adapter has a mounting plate with a base plate and a pair of flanges extending from the base plate. A cushion has a non-absorbent outer cover and a nonabsorbent fill material enclosed within the outer cover. The outer cover has an air release vent. The cover also has a fill opening for removing and filling the cover with material. A closure is coupled to the cover for closing the fill opening.

Abstract: A method for supporting the nose of an unfettered trailer disposed on a surface adjacent a loading bay, including the steps of 1) providing a supporting assembly movable along the surface relative to the nose of the trailer, and also movable between a stored, collapsed position wherein the supporting assembly does not interfere with movement of vehicles over the surface, and a raised, engaging position in which a portion of the supporting assembly is disposed vertically above the surface and engages and supports the nose of the trailer; 2) moving the supporting assembly along the surface and relative to the nose of the trailer with the supporting assembly in the stored position, 3) sensing the nose of the trailer with a sensor that is movable with the supporting assembly relative to the nose of the trailer, and 4) in response to the sensor sensing the nose of the trailer, automatically moving the supporting assembly from the stored position to the raised engaging position to support the nose of the trailer.

Abstract: A converter allows a user to convert a conventional car jack from a non-specialized, general service variety into a specialty transmission jack. The car jack has a low, wheeled frame; a handle; a boom extending between a base end pivoted to the frame near the handle and an opposite end formed with a seat portion; and a hydraulic cylinder stretching between the frame and the boom which is actuated by pumping the jack handle to raise the boom. The seat portion of the boom is formed with a socket. The car jack conventionally is provided with a conventional cup having a stem which allows removable seating in the socket of the jack's boom. The converter head has a base plate defining a plane; a stem beneath the base plate for removable seating in the socket of the jack's boom; four or so arms extending between a butt end and a tip end; and cap screws threaded through the tip end of each arm. The cap screws allow adjustment in length and provide upper contact ends for propping a vehicle transmission thereon.

Abstract: A jack with a leg (1) and a supporting arm (2) articulated together by an articulation (3). The leg rests against the ground (5) by way of a foot (4). The supporting arm is articulated by another articulation (18) at the other end of the supporting arm to a load-support plate (19). The plate supports the vehicle as it is lifted by way of an innermost section (20) located preferably between the sill ridge (21) and the midline, and below the bottom (22), of the vehicle. The plate has a bodywork catch (25) with a bent-up section (26). The bent-up section comes to rest against the outside (23) of the sill (24) when the jack is used and is raised by a spring (28). Adjusting arms (9& 10) are articulated to the leg, to the supporting arm, and to each other, constituting a parallelogram linkage. One end (17) of the supporting arm projects beyond its articulation (7) to its associated adjusting arm (9).

Abstract: A method and apparatus for installing carpet which provides for assembling and suspending a wheeled gantry hoist over a work domain for lifting furniture or other objects in a work-space, raising the suspended furniture by as little as one-half inch, and subsequently installing rolled carpet beneath the furniture. The wheeled gantry hoist comprises a pair of mobile support trusses spanned by an elongated beam of sufficient length to permit the full width of the carpet to be passed thereunder. The beam suspends at least one ratchet winch adapted to lift modular office panels and furniture and be slidably and detachably suspended from the beam. The carpet roll, having been rolled onto a spindle, is horizontally supported by a mobile carriage for spooling out the carpet. A blower is disposed to force high-velocity air beneath adhesive carpet to lift the carpet and prevent adhesion of the carpet to the floor as the carpet is being pulled beneath the raised furniture to be set in place by an installer.

Abstract: A saddle structure for a jack device is provided with a rotatable saddle mounted to the fixed saddle of an extension member of a jack device. The rotatable saddle is retained, at least partially, within the fixed saddle for structural reinforcement. The Rotatable saddle provides an interface between the extension member of the jack device and the object to be lifted. The rotatable saddle is freely rotatable about a central axis of the extension member to allow the jack device to be independently oriented with respect to the object to be lifted. The fixed saddle structurally supports the rotatable saddle and is rigidly fixed to the extension member. Such an arrangement provides an adjustable interface between the jack device and the object to be lifted while maintaining the structural integrity of the interface.

Abstract: The present application discloses a sidewalk lifting device made of steel framed tower that has a flat plate extending inward from the lowest end of the tower. This plate holds the lower surface of a sidewalk slab and also provides the lifting surface to elevate a damaged sidewalk. Additionally, attached to the inside surface of the tower in a position above the plate, is an adjustable slab brace frame which serves to hold the upper surface of a given sidewalk slab while it is being lifted.The lifting tower also has on its upper end outward extending frame members. When lifting a damaged sidewalk, multiple lifting devices may be used and supplied with hydraulic bottle jacks which fit on the outside edge of the lifting towers.A method of leveling sidewalks is also disclosed this method includes lifting a sidewalk slab to be leveled then injecting mason's sand into the cavity created between the lower surface of the sidewalk and the settled earth below it.

Abstract: The present invention relates to a lifting jack support system for supporting an object to be lifted by a lifting jack with a movable top side, the lifting jack support system comprising: a base unit, mounted on the top side of the lifting jack, having a support arm extending away with a front end, with one or several positioning plates fastened on the top side of the base unit, a gap lying within or between the positioning plates; and a top unit, having a link arm, which is hingedly connected to the front end of the support arm, and one or several positioning elements, the top unit either resting on the base unit, with the positioning elements fitting into the gap, or being folded away therefrom, such that starting positions at two different heights for lifting the object are provided.

Abstract: The present invention relates to a highly portable collapsible jack stand. The jack stand is comprised of a plurality of leg members. Each leg member is detachably coupled to a top guide plate which is used to support and align a telescoping rod. A ram head is coupled to the telescoping rod and is used for supporting a load. A base plate is detachably coupled to the plurality of leg members. The base plate prevents the jack stand from sinking into the ground when the jack stand is in use and under a heavy load. A low profile jack may be positioned underneath the telescoping rod for raising and lowering the telescoping rod thus raising and lowering the load on the jack stand apparatus.

Abstract: An apparatus for lifting furniture in place to install floor covering underneath the furniture. The apparatus comprises a plurality lifting assemblies. Each lifting assembly includes a substantially vertical piston and cylinder assembly. A piston rod is attached to each piston. The piston rod extends from the upper end of the piston and cylinder assembly and a substantially L-shaped member is attached to the piston rod. A pressurized fluid control system is constructed and arranged to uniformly supply pressurized fluid to the lifting assemblies; whereby, the lifting assemblies act together to simultaneously lift furniture in one movement when pressurized fluid is uniformly supplied from the pressurized fluid control system to the lifting assemblies.

Abstract: A new hydraulic device for automobile accidents for quickly freeing individuals trapped in a vehicle as a result of an accident. The inventive device includes a hydraulic member comprised of a plurality of telescoping cylinders. The cylinders include a base cylinder, a top cylinder, and a pair of intermediate cylinders therebetween. The base cylinder has a pair of diametrically opposed handles secured thereto. The base cylinder has a hydraulic line connector extending outwardly thereof for coupling with a hydraulic line. The base cylinder has a level indicator disposed thereon corresponding with the hydraulic line connector for measuring input of hydraulic power therein. The base cylinder has an externally threaded extension extending downwardly form a lower end thereof. The top cylinder has an externally threaded extension extending upwardly from an upper end thereof. A foot is provided that is comprised of a generally rectangular plate.

Abstract: The ram device forces back components of a die cast machine, having platens that come together to form a product or cast, in order to free products from between the platens. The device has a base and a stem, wherein the stem is longitudinally connected to the base. The base can be releasably attached to a face of a die half wherein the stem is positioned opposite the component to be forced back. The die halves are closed together until a top of the stem engages the component to be moved and the force of the closing die halves is transferred through the ram device to force the component back.

Abstract: A drill attachment for transferring torque from a rotary power tool to a jack of a trailer. The drill attachment includes a sleeve portion that fits over and is connectable to the rotatable drive shaft of the trailer jack. The drill attachment includes a chuckable end for attachment to the rotary power tool. It is an advantage that the drill attachment provides an automatic and economic way to raise and lower trailer jacks. The drill attachment also provides for a power tool which is interchangeable among several different trailer jacks.

Abstract: An improved device is provided for lifting the drum of a concrete mixer vehicle, wherein the drum has an encircling ring structure. The device includes a body mechanism having a body side wall and an inverted cup with a cavity for receiving a jack, a clamp mechanism wherein a cleat lower wall thereof is slidably adjustable relative to a lower wall of the body mechanism such that a cleat side wall is adjustable toward and away from the body side wall to clamp the ring structure between the body side wall and the cleat side wall, and a stabilizing mechanism for stabilizing the body mechanism relative to the mixer vehicle drum. The device may also include an adapter configured to also be slidably adjustable relative to either the body side wall or the cleat side wall.

Abstract: An electrical adapter fitting for use on modular furniture panels of a kind electricaly prewired with a raceway along a lower edge of the panel. The adapter being L-shaped in cross-section with upstanding fingers adapted to straddle an electrical raceway along a bottom side edge of the modular panel. The fingers adapted to support the panel by lateral side flanges flanking the raceway. A modular panel lifter for use with the electrical adapter fitting, or other adapters, having telescoping inner and outer sections and a jack screw for raising and lowering the outer section upon which the adapter may be mounted.

Abstract: A post plumbing device has a pair of brackets connected by a threaded rod. Each bracket has a base having a selected length, a top, a bottom and four sides extending between the bottom and the top. A top flange is attached to the top and has a threaded bore passing through the flange, along an axis substantially parallel to the base. One bracket has a shorter side flange extending from a portion of one side of the base away from and substantially perpendicular to the bottom. A plurality of holes are provided in each base and the side flange to receive nails or screws. A threaded rod having a handle at its midpoint is threaded into the threaded bore of each of the brackets.

Abstract: An angled member includes a rod portion, for exerting a force against a leaning wall, and a cross piece, linked to one end of the rod, against which cross piece an adjustable jack acts; the other end of the rod is linked, via a connector, to a pin which is insertable within the wall or the wall's foundation, preferably the foundation, the connector passing under the foundation to connect the pin and the angle rod; roller member movably positioned intermediate the angle rod and the foundation.

Abstract: A spreading tool which includes a hollow tube, a first ram member, and a second ram member. The hollow tube has a tubular wall with an axial throughbore and at least one opening extending through the tubular wall. The ram members are slidingly disposed within the throughbore, and at least one ram member is capable of extending beyond the outer edge of the hollow tube. The tool can be adapted for use with a force multiplying device which transmits an output force through a relative displacement between at least two spreadable tips. The first and second ram members are capable of being spaced apart by the force multiplying device such that the tool is capable of extending the expandable distance of the jaws and increasing the distance over which the output force is transmitted.

Abstract: A track jack apparatus including a base portion that has an upper surface with a socket portion. The socket has an aperture therethrough. Also, a lifting mechanism that has a body portion is included. The body portion has a handle with a component that has a pair of J-hook members that extend therefrom. The body portion has a ratchet mechanism contained within. Included is a rigid rod that has a bottom end positioned within the socket portion; a rear wall that has a plurality of angular notches; and a top end that receives the body portion of the lift mechanism. Lastly, the body portion is positioned adjacent the socket portion and next to a coupling of a snowmobile. Positioning the body portion next to the coupling allows the J-hook members of the handle to engage the coupling and apply a lifting force when the ratchet mechanism is engaged.

Abstract: An apparatus for lifting and supporting the foundation of a structure employs a pier anchored into the ground adjacent to the foundation, a support assembly attached to the upper end of the pier, and a lifting assembly that can be removably seated over the base of the support assembly. The support assembly includes a support bracket for engaging the foundation, and at least two threaded rods with nuts for adjustably controlling the vertical distance between the base and the support bracket on the rods. The lifting assembly is removably seated over the base of the support assembly between the rods, and has side members extending laterally outward beyond the support bracket for supporting jacks to lift the foundation.

Abstract: This invention relates to a lifting connector for elevating the front end of a Freightliner.RTM. semi-tractor. The lifting connector removably attaches to a vehicle's front bumper and to a jacking mechanism. The lifting connector remains attached to the vehicle's front bumper while the jacking mechanism lifts the front portion of the vehicle. The lifting connector works to support the front bumper at a desired elevation with the aid of the jacking mechanism and/or jackstands.

Abstract: A device for lifting modular furniture comprising a base member, an elongated member pivotally connected to the base member and a furniture engaging portion rotatably mounted to one end of the elongated member. The furniture engaging portion includes a plate having a plurality of teeth extending from one end thereof for mating with slots in the modular furniture.

Abstract: The invention is an attachment for a hydraulic rescue tool and a method of using the attachment. The attachment comprises a front face; a rear face; two opposing outer side faces; an inner bottom face, having grooves therein and being angled upwardly from the front face to the rear face; two inner side faces, the inner side faces being inclined with respect to the inner bottom face and having longitudinal grooves therein; the faces forming a unitary body having a generally flat V-shaped cross section.

Abstract: A mobile vehicle jack and support is disclosed that may be positioned below a vehicle, raise the vehicle to a selected height, and securely support the vehicle at the selected height. The mobile jack and support includes a frame, a lift arm rotatably coupled to the frame at one end and having a vehicle engagement at an opposite end, and an support member rotatably coupled to the frame.

Abstract: A system for raising and supporting the foundation or slab of a building, in which a mounting assembly is bolted to the foundation or slab and includes a pair of support sleeves which receive a piling and which are connected to the foundation or slab. A clamping assembly engages the piling, and a hydraulic ram is connected between the clamping assembly and the mounting assembly in the expanded position of the ram so that when the ram is retracted, the piling means is driven into the ground until it encounters a predetermined resistance. The ram is further actuated after the predetermined resistance is encountered to raise the mounting assembly and the foundation or slab a predetermined distance after which the mounting assembly and the foundation or slab are secured to the piling.

Abstract: The jack apparatus includes a jack having a tubular housing that is elevated by jack screw mechanism. Arm members are mounted to the tubular housing to extend transversely outwardly in opposite directions for mounting a chain to permit adjustably varying the length of chain end portions extending away from the arm members that are to be attached to the object to be elevated. A tire is mounted to the tubular housing for abutting against the object that is to be elevated, the tire extending vertically above and below the arm members, and transversely further outwardly of the tubular housing than the tire. The tire has a vertical annular surface for abutting against the object.

Abstract: A lifting or jacking device for the lifting of lawn mowing equipment comprising an axle with wheels, an extended vertical element secured to the axle, a support element secured to the axle at approximately a 90.degree. angle from the extended vertical element, and a gripping piece, preferably a pair of gripping teeth secured to one end of the support bar. Preferably a foot assist bar is also secured to the extended vertical element to assist the lever element in raising the lawn mowing equipment. In addition, there is preferably secured to the device an extendable safety arm which is extendable from the support element to maintain the lifting device in a fixed position after the lawn mowing equipment has been lifted. Also preferably, the extended lever bar is divided into an upper and lower section, the upper section of which may be rotated to assist in the movement and storage of the lifting or jacking device.

Abstract: An electric cylinder to reduce shock and damage to itself and a body to be transferred. The electric cylinder includes a rod head having a flange mounted on the distal end of a hollow piston rod, a circular polyurethane rubber plate mounted on a circular front surface of the flange, and a protection plate mounted on the front surface of the polyurethane rubber plate.

Abstract: A post plumbing device has a pair of brackets connected by a threaded rod. Each bracket has a base having a selected length, a top, a bottom and four sides extending between the bottom and the top. A shorter side flange extends from a portion of one side of the base away from and substantially perpendicular to the bottom. A top flange is attached to the top and has a threaded bore passing through the flange, along an axis substantially parallel to the base. A plurality of holes are provided in the base and the side flange to receive nails or screws. A threaded rod having a handle at its midpoint is threaded into the threaded bore of each of the brackets.

Abstract: A tool for pushing a suspended shroud repair tie rod assembly radially inward in the downcomer annulus of a boiling water reactor. The tie rod pusher tool includes a pole adaptor for coupling to the end of a service pole, a pole adaptor extension having one end connected to the pole adaptor, a mounting channel connected to the other end of the pole adaptor extension, a hydraulic spreader mounted on the mounting channel, an adaptor bracket having a proximal end connected to the pivoting member of the hydraulic spreader, a rocker plate pivotably mounted on the distal end of the adaptor bracket, and a saddle mounted on the rocker plate. Using a service pole, the tool is lowered into a position whereat the saddle contacts the tie rod assembly when the hydraulic spreader is actuated. In the open position, the saddle bears against the tie rod assembly with sufficient force to displace the assembly radially inward until the clevis hook clears the clevis pin.

Abstract: A support structure for lifting a motorcycle in combination with a jack with the support structure including a cradle adapted to fit over an elevatable portion of the jack. The cradle has a pair of longitudinally extending support members connected thereto and shiftably fits on an elevatable portion of the jack to permit tilting of the support members supporting the motorcycle providing access to either the front or rear wheel of the motorcycle.

Abstract: A device for lifting modular furniture comprising a base member, an elongated member pivotally connected to the base member and a furniture engaging portion rotatably mounted to one end of the elongated member. The furniture engaging portion includes a plate having a plurality of teeth extending from one end thereof for mating with slots in the modular furniture.

Abstract: One piece load rest having reinforcing portions folded under the centre, fabricating and depending leg portions to be connected to the upper portion of a jack.

Abstract: To safely and quickly exchange a seal of a shock strut of a selected shock absorbing apparatus of an airplane, an apparatus is provided whereby the main body of the airplane is lifted by pressurizing and extending at least one other shock absorbing apparatus in order to extend the selected shock absorbing apparatus and expose the seal thereof. A shock strut of the selected shock absorbing apparatus is then lifted away from the associated wheels so that a new seal may be inserted from below the strut. To lift the strut, an apparatus is provided which includes a main body portion having an inclined surface substantially complementary to a downward-facing inclined surface of the strut, and a cylindrical portion which inserts into an attachment hole of the strut.

Abstract: A jack stand for supporting a lifting jack beneath a work piece to be raised or lowered. The jack stand includes a base movable along a floor surface, and a jack support platform supported in elevated relation above the base. Struts are pivotably connected to the jack support platform and extend downwardly to engage the base, transferring a portion of the weight of the jack to the base. Those support struts are displaceable when the base is positioned beneath an interfering machine structure, allowing that structure to fit within the open space between the base and the jack support platform, so that the jack stand can fit beneath a work piece notwithstanding the interfering structure.

Abstract: An integral plastic load rest for a pantograph jack having a laterally extending channel to engage a vehicle and a reinforced seat centrally positioned under the channel to transfer vehicle load to the jack while allowing clearance for the jack teeth.

Abstract: An apparatus is provided for lifting modular furniture. The apparatus comprises a central shaft and housing slidably mounted on the shaft. Either the housing or the shaft is supported by a base support and the other of the housing and shaft is moveable. The apparatus further comprises a jig which is adapted to mate with the furniture to be lifted, and means for raising and lowering the jig to thereby raise and lower the furniture. The apparatus further includes a lateral stabilizer which stabilizes the furniture once it is raised off the floor.

Abstract: A blocking structure arranged for engaging spaced adjacent wheel members of a tandem wheel organization is provided, such that a ratcheting block member is arranged for movement along a gear rack, with the ratcheting block having a support saddle mounted thereon, the support saddle including spaced spanning plates to engage the adjacent wheels preventing their rotation.

Abstract: A foldable jack system for lifting a car during the changing of a tire comprising a lower support bar formed of separable halves, each half having an intermediate end with hinge attachments formed of spaced holes mutually alignable to receive a bolt for coupling the halves, each half having a support block at its exterior end with a vertical recess at its upper end and a support plate at its lower end; an upper support bar formed of separable halves, each half having an interior end with a hinge attachment formed of spaced holes mutually alignable to receive a bolt for coupling the halves, each half having a jack block at its exterior end with a vertical aperture extending therethrough; a hook extension secured to each half of the upper support bar; a pair of rigid bars, each rigid bar having a lower end received in the recess of its associated support block and a series of teeth facing in a common direction; activating mechanisms including a jack crank for each jack block for raising and lowering the jack bl

Abstract: An apparatus is provided for lifting modular furniture. The apparatus comprises a central shaft and housing slidably mounted on the shaft. Either the housing or the shaft is supported by a base support and the other of the housing and shaft is moveable. The apparatus further comprises a jig which is adapted to mate with the furniture to be lifted, and means for raising and lowering the jig to thereby raise and lower the furniture. The apparatus further includes a lateral stabilizer which stabilizes the furniture once it is raised off the floor.

Abstract: A first embodiment of a lifting device is provided for facilitating installation and removal of a plurality of vehicle parts base and a boom pivotally comprises a castered mounted to the base through a horizontal axis of rotation by a mast. A hydraulic jack mounted to a between the base and the boom effects pivotal movement of the boom between upper and lower positions. A receiver is rotatably mounted on a horizontal axis of rotation to a rear portion of the boom. A tie rod pivotably mounted to and between the mast and the receiver guides the receiver through rotational movement and maintains the same in a horizontal condition as the boom moves between the upper and lower positions. The receiver is adapted to interchangeably mount on a vertical axis of rotation one of a plurality of vehicle part attachments, such as a cradle attachment, a flywheel attachment or a clutch attachment adjustably mounting through vertical and horizontal axes of rotation a starter, a flywheel or a clutch, respectively.

Abstract: A device for the extraction of fence posts having a T-shaped cross-section. The device is arranged to engage the fence post in a frictional binding action on the post when tilted by the upward application of force to one end of the device. The upward application of force is derived through cooperation with a jack, whereby the tilting of the device secures the device in position with the fence post and transfers the upward force from the jack through the device to the fence post. The tilting of the device also secures the jack to the device, thereby ensuring cooperation between the jack, the fence post, and the device throughout the full length of the lifting stroke.

Abstract: The present invention discloses a flexible leveling device for the leveling of various vehicles, particularly recreational vehicles. In the preferred embodiment, the flexible leveling device of the invention generally comprises an elongate member of flexible material, with first and second ends, having a series of separated elements, preferably blocks, of steadily increasing height interconnected thereto. Each of the separated elements is interconnected to the flexible member, starting at the first end thereof with the shortest element, progressing with successively longer elements to form a steady incline, and extending through the length of such member to the second end thereof. Each separated element is disposed on the flexible member so as to provide a uniform space between adjacent elements, allowing the device to be formed into a curved configuration for use, or to be folded over or rolled to facilitate storage.

Abstract: An adjustable freight bracing crossbar is disclosed. The crossbar includes an elongate, substantially hollow, support body. A wall engaging member is connected to one end of the support body. A telescoping tube is slidably mounted within the other end of the support body and projects outward from the tube for engaging a wall. A hydraulic pump mechanism is secured within the support body and includes a piston movable within the tube between a retracted position and an extended position toward the projecting end portion of the tube. A spring is connected to the piston rod and the end portion of the telescoping tube for creating a biasing force between an extended piston and telescoped tube when the crossbar is mounted within a compartment to compensate for slack created between the end portion of the tube and compartment wall such as occurs when the compartment is in transit.

Abstract: A device for removing a post from the ground. The device includes two rigid plate members for engaging opposed sides of the post. Two fasteners extend through one of the plate members for threadably engaging the other plate members so that the two plate members can tightly engage the post. When a device capable of exerting a lifting force engages at least one of the plate members, and is operated to exert such a force against the plate member, the post is removed from the ground.

Abstract: A brake drum support apparatus for use with a vehicle having a brake drum and for supporting the brake drum as the brake drum is removed from the vehicle. The brake drum support apparatus includes a base for resting on a support surface; a drum cradle for cradling the brake drum; and a drum cradle brace structure for attaching the drum cradle to the base.

Abstract: A floor covering installation tool for raising and lowering furniture, partitions or the like has a frame, a raising and lowering mechanism and a lifting assembly. The frame or the lifting assembly has a portion which is positioned underneath the object to be lifted. The raising and lowering mechanism is actuated to raise or lower the object to be lifted. Upon raising the lifted object to a desired height, flooring or the like is positioned underneath the lifted object. After the flooring is positioned underneath the lifted object, the raising and lowering mechanism is activated to release the lifting mechanism and return it to its original position. Thus, the tool is ready to be reused to lift another desired object.

Abstract: The wheel changing apparatus includes a pair of angular arms supported at their outer ends by caster wheels or skids with the arms joined at their remaining ends by a connector housing. A handle on the housing facilitates raising and lowering of the arms and a vehicle wheel assembly in place thereon for wheel assembly removal and attachment to an axle mounted hub. Multiple rollers in each arm rotatably support the wheel assembly. The arms are collapsible toward one another and the handle repositionable between the arms for compact stowage of the apparatus in a vehicle.