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 transportable service lift assembly for use in raising and lowering a vehicle from one position to a second position. The transportable service lift assembly comprises a first and second longitudinally extending frame members in opposed relationship to each other and supporting a platform, a first and second removably mounted wheel assemblies connected to the longitudinally extending frame member where a portion of the wheel assemblies extend below the frame member, a first lifting assembly connected to a first end of at least one frame member, and a second lifting assembly connected to a second or opposed end of at least one frame member. The first and second lifting assemblies raise and lower the longitudinally extending frame members so that the wheel assemblies can be removed from the frame members when the lifting assemblies are in a raised position and so that such vehicle can be positioned on the platform when the lifting assemblies are in a lowered position.

Abstract: A storage unit has a base structure and a detachable dolly for transporting the storage unit. The detachable dolly includes a lifting member engageable with the base structure, the arrangement being such that the lifting member may be brought into engagement with the base structure, e.g. by insertion through a forwardly facing opening in the base structure. The detachable dolly may include castors to enable movement of the dolly.

Abstract: An improved hydraulic valve for a camera dolly includes Teflon inserts around a valve pin to reduce vibration and noise. The ratio of movement between the boom control, which controls the up and down movement of the arm on the camera dolly, and opening and closing of the hydraulic valve, is increased to reduce the sensitivity of the valve to boom control movement. The boom control includes ready up and ready down detents which provide the user a tactile indication of where to position the boom control for immediate up or down movement.

Abstract: A passenger lift (10) is provided for loading a passenger (12) into and out of an aircraft (14). Lift (10) includes a chassis (38) having a front (34) end and a back (36) end. A plurality of wheels (62 and 63) are attached to the chassis (38) providing means for moving the lift (10). The lift (10) also includes an electrical energy source (70) for providing electrical energy, and an energy converter (104) for translating the electrical energy from the electrical energy source (70) to mechanical energy. The lift (10) includes a rear support (40) generally perpendicular to the chassis (38) and attached to the back end of the chassis (38). The lift (10) has a basket (48) for holding the passenger (12) while the passenger is raised and lowered with the lift (10) and (48) is located at the front end of the chassis (38). The lift (10) includes a pair of lift arms (44) for lifting the basket (48), and a pair of stabilizing arms (42) for providing stability to the basket (48).

Abstract: A camera dolly has an upper arm pivotable on a lower arm. Chains and sprockets within the lower arm raise the upper arm when the lower arm is raised by a hydraulic actuator. Leveling rods maintain a camera platform in a level position as the arm is raised and lowered. A center plate in the lower arm and a brace plate in the upper arm increase the strength and stiffness of the arm. The ratio between the lower sprocket and upper sprocket within the lower arm is greater than 2:1, providing additional arm travel. A structural tube in the upper arm section provides a secure attachment point for a leveling head.

Abstract: A forklift attachment for attachment to a fifth-wheel hitch assembly of a vehicle for permitting the lifting of loads. The forklift attachment includes a ground engaging support carriage having an towing tongue designed for attachment to a fifth-wheel hitch assembly of a vehicle. A pair of lifting arms are pivotally mounted to the support carriage. A pair of lifting devices are provided for raising and lowering the lifting arms with respect to the support carriage and a pair of tilting devices are provided for tilting the lifting arms with respect to the support carriage.

Abstract: The present invention relates to a cart for shopping in stores, loadable full and effortlessly into a car trunk. The cart includes a basket and a rolling support. The rolling support is placed in the car trunk when disconnected from rolling legs and basket supporting arms. The basket is movable with respect to the support and rotated by rods which form two deformable parallelograms. An electric or crank control transmits the synchronous motion to two reduction units located on either side of the basket. Thus, the basket is effortlessly laid into or extracted from the car trunk, passing the threshold.

Abstract: The present invention is a multiple pump transmission jack for use with removing and repairing transmissions. The jack has two hydraulic pumps mounted on a base which are connected with interrelated oil passages or conduits formed within the base, which is operated by a pedal connected with the two pumps for drawing hydraulic oil from a reservoir and into an oil pressure cylinder to easily and quickly raise a piston rod within the oil pressure cylinder saving the operator's effort and increasing the efficiency of operation. The jack also includes an overload system that prevents the operator from placing a load on the jack which is greater than its rated load, thus preventing danger.

Abstract: A powered cart for moving heavy objects. The cart has a container portion that is elevated and lowered under power with a floor of the container portion capable of being lowered onto a surface supporting the cart. The floor has an inclined edge that provides a ramp for loading items onto the cart. The cart is propelled by a steerable wheel and the wheel is provided with a braking system. A removable gate is provided for securing the open side of the chassis and is provided with an automatic latch mechanism that locks the gate in position when the container portion is elevated off the supporting surface.

Abstract: A method, device and system are provided that is a portable lifting system for easy movement of moderately heavy items, including a base member, a vertical support member connected to the base member and a load member slideably connected along the vertical support member. The system is typically small in size, allowing for ease of loading, lifting, transporting and unloading of moderately heavy objects of 25 to 100 pounds. The system is typically used in enclosed areas such as an office, home, workshop, garage or basement. The actual load member varies depending upon the type of load being lifted. A common type connector is used allowing interchangeability between the various load members. The system can further include a mechanical advantage member including a screw or a motor to control load member height. The mechanical advantage member may be controlled manually, or electronically.

Abstract: A gondola moving system is provided for moving fully loaded gondolas in lateral or longitudinal directions. The gondola mover includes a plurality of lift assemblies, which can be sequentially connected to one another, depending upon the length of the gondola. Each lift assembly includes a lift arm having a first end extending through the gondola posts, and a second end mounted upon a jack assembly. A base bracket extends between the lift arm and the leg of the gondola. Connecting bars extend between adjacent lift arms. The lift assembly components are quickly and easily assembled and installed upon the gondola without the use of tools.

Abstract: Portable, heavy duty jacks used in the railway, mining and construction industries are expensive units including a motor, a pump, a working fluid reservoir and a hydraulic cylinder, all mounted on a wheeled carriage. The jacks are moved to a use location and often left in one position for a lengthy period of time. Thus, it is often necessary to stock a large number of expensive units. A simple solution to the problem involves a single power module including a carriage, a motor, a pump and a fluid reservoir, and separate lift modules including a hydraulic cylinder. A lift module is releasably connected to the power module for moving the module to a use location, where the hydraulic cylinder is actuated to raise a load. The two modules are then disconnected, another lift module is attached to the power module, and the resulting unit is moved to another use location.

Abstract: A lift for persons needing assistance in moving from a seated position to a standing position, includes an elongated seat raiseable by a jack under the seat and supported on a base assembly. The elongated seat includes stabilizer arms which extend on opposite sides of an adjacent post into engagement with a remote post for sliding engagement when the elongated seat is being raised.

Abstract: A wheelchair lift mechanism adapted for use particularly in the accessway of a train car is disclosed which comprises a generally planar collapsible platform assembly for receiving a wheelchair and its occupant thereon; a lift mechanism for lifting and lowering the platform between first and second elevations; a vertical support column mounted inside the train car adjacent the accessway having a support portion rotatably mounted thereto; and an extensible lift mechanism support assembly attached between the support portion and the lift mechanism frame to move the lift mechanism and platform assembly horizontally between a retracted position and an extended position away from the vertical support column to provide lateral clearance for the platform assembly outside the vehicle in the deployed position. The extensible assembly comprises a pair of parallel fixed sleeve members and a pair of parallel slide members telescopically attached between the frame and the support portion.

Abstract: A latching mechanism (160) disposed on an accessory (102) for attaching the accessory (102) to a portable device (100) includes a support (164) and a latch (162) disposed about opposite ends (150, 152) that mate with first and second portions (206 and 300, 302) of a retaining device (123) disposed about opposite ends (112, 122) of the portable device (100). The support (164) includes feet (412, 414) having prongs (420) that face a hooked end (404) of the latch (162). The latch (162) includes a spring (502, 510) coupled to the hooked end (404) such that when the latch (162) is extended, the hooked end (404) exerts a force (700) on the first portion (206) of the retaining device (123) drawing the support (164) into abutment with the second portion (300, 302) of the retaining device (123). The exerted force (700), which is in a plane parallel to a front surface (146) of the accessory (102) extending between the ends (150, 152) thereof, maintains the accessory (102) in attachment with the portable device (100).

Abstract: A passenger lift (10) is provided for loading a passenger (12) into and out of an aircraft (14). Lift (10) includes a chassis (38) having a front (34) end and a back (36) end. A plurality of wheels (62 and 63) are attached to the chassis (38) providing devices for moving the lift (10). The lift (10) also includes an electrical energy source (70) for providing electrical energy, and an energy converter (104) for translating the electrical energy from the electrical energy source (70) to mechanical energy. The lift (10) includes a rear support (40) generally perpendicular to the chassis (38) and attached to the back end of the chassis (38). The lift (10) has a basket (48) for holding the passenger (12) while the passenger is raised and lowered with the lift (10) and (48) is located at the front end of the chassis (38). The lift (10) includes a pair of lift arms (44) for lifting the basket (48), and a pair of stabilizing arms (42) for providing stability to the basket (48).

Abstract: A compact utility trailer for pick-up and delivery of relatively small sized lots of material is readily towable behind a variety of commonly driven vehicles such as automobiles, pick-up trucks and the like, and contains a hand operated hydraulic jack-operated forklift that allows a pallet of material to be easily seized and lifted into a transport position within the confines of the trailer. The trailer comprises a front end hydraulic jack-mounting portion, and a rear end pallet-housing portion affixed thereto within which a pallet is to be seized and transported. The front end hydraulic jack-mounting portion has a longitudinal member having a trailer hitch fixture. A floor is affixed to the front end portion, and a hydraulic jack is mounted to the floor. A driven piston of the jack is vertically translatable to engage a fork lift-translating lever unit, which is coupled to a fork lift frame supported in the rear end portion of the trailer.

Abstract: A forklift truck having a drive wheel and a plurality of support wheels and a mounting arrangement for independently adjusting the vertical position of each support wheel. The mounting arrangement includes a cylindrical pivot sleeve attached to the forklift truck and a cylindrical pivot member coaxial with the cylindrical pivot sleeve and longitudinally and rotatably adjustable in the cylindrical pivot sleeve. A support wheel is pivotally mounted on the lower end of the cylindrical pivot member and a pin is provided adjacent to the lower end of the cylindrical pivot member for locking the cylindrical pivot member in one of at least two vertical positions in the cylindrical pivot sleeve.

Abstract: A transportable hoist for lifting large vehicle wheels comprising: a frame including a front section and two side sections, the front section having two free ends including castors, each side section having a front end affixed to the front section, each side section having a rear end including a castor; a hydraulic cylinder jack being positioned centrally upon the front section of the frame, the jack including a piston rod extending within and upwardly therefrom, the jack including a handle to effect upward or downward movement of the piston rod; and a suspension bar being affixed to the uppermost extent of the piston rod and extending rearwardly therefrom, the bar having a rearward extent including a tire coupling device suspended by a chain, an extension tube projecting downwardly and rearwardly from the bar, the tube having a first end fixedly connected to the bar and a second end formed as a tire rest platform adapted to permit placement of a large vehicle tire thereupon.

Abstract: An apparatus for removing and installing toilet bowls comprising a frame assembly formed of a lower rectangular support structure having parallel side supports, a front support and a rear support, an upper support structure having parallel side supports located above the lower side supports and a front support coupled therebetween, vertical spacers coupling the front edges of the upper and lower side supports, and a rear vertical support structure coupling the upper and lower side supports adjacent to their back edges thereof, the rear vertical supports extending vertically to an elevated location with respect to the upper side supports with a vertical horizontal coupling support therebetween; and a control box supported on the upper surface of the upper horizontal coupling support, the control box having a driver and a jack handle under the control of the operator, the control box also having, associated therewith, a pair of cables with upper and lower ends, the upper ends adapted to be received and moved ve

Abstract: A linkage assembly (20) for use with a platform or step lift (22) for transmitting force from a linear actuator (228) to a ramp (40) pivotally attached to the outer edge of the platform (26) of the lift so as to cause the ramp to travel through a rotational path of at least 180 degrees. The linkage assembly is designed so that no portion thereof extends more than about 0.25 inch above the upper surface (28) of the ramp and the top surface (48) of the platform, and so that the ramp is driven downwardly toward the extended position with a force insufficient to cause serious injury to a person's feet positioned in the path of travel of the ramp. Additionally, a hinge structure (700) is provided for use with a step lift for coupling the platform with its vertical extensions (66, 68) so as to permit the latter to pivot relative to the platform as the extensions move up and down within the vertical guides (80, 82) in which the vertical extensions are slidably received.

Abstract: An upper coupler table for facilitating the removal of an upper coupler plate from a semitrailer. The upper coupler table includes a support frame which supports a jack and a guide tube. A vertically adjustable center plate has a support tube attached thereto which extends through the guide tube. The jack contacts the support tube and can be operated to raise the center plate to a position where it can support the upper coupler plate while the upper coupler plate is detached from the semitrailer. After the upper coupler plate has been detached, the jack can be operated to lower the center plate until the upper coupler plate is supported on the support frame. The upper coupler table includes a plurality of casters attached to the support frame, allowing the table to be easily moved.

Abstract: A compact utility trailer for pick-up and delivery of relatively small sized lots of material is readily towable behind a variety of commonly driven vehicles such as automobiles, pick-up trucks and the like, and contains a hand operated hydraulic jack-operated forklift that allows a pallet of material to be easily seized and lifted into a transport position within the confines of the trailer. The trailer comprises a front end hydraulic jack-mounting portion, and a rear end pallet-housing portion affixed thereto within which a pallet is to be seized and transported. The front end hydraulic jack-mounting portion has a longitudinal member having a trailer hitch fixture. A floor is affixed to the front end portion, and a hydraulic jack is mounted to the floor. A driven piston of the jack is vertically translatable to engage a fork lift-translating lever unit, which is coupled to a fork lift frame supported in the rear end portion of the trailer.

Abstract: A piano lift and dolly has an upper H-frame that engages a piano and a lower H-frame that is supported on wheels. Four posts extend vertically upwardly from the lower H-frame and are received in downwardly extending tubes connected to the upper H-frame. A jack has its base mounted on a cross beam of the lower H-frame and its jack RAM mounted directly to a center point of the cross beam of the upper H-frame. Two beams of the upper H-frame engage the underside of the piano at different heights with respect to a floor on which the dolly is supported. As the jack is raised, the RAM raises the upper H-frame with respect to the lower one to lift a piano off of the floor. In this way, the piano is moved without the legs of the piano engaging the floor.

Abstract: A lifting apparatus is described which includes a base with two spaced apart tubular members extending substantially vertically from the base. Two telescopic members are telescopically received in the tubular members. A transverse member is secured transversely between the telescopic members. A jack positioning seat is positioned on the base vertically aligned with the transverse member, such that a jack placed on the jack positioning seat engages the transverse member to telescopically raise telescopic members. A pair of parallel spaced support arms extend from the transverse member, each support arm has lifting points adapted for positioning under an object to be lifted. The base is adapted to maintain stability when a load is placed on the lifting points of the support arms. The telescopic members are locked in a selected position relative to the tubular members when the object being lifted is at the desired height.

Abstract: the roof top carrier of the present invention has a roof top platform that moves horizontally between a storage position at the center of the roof of a motor home and an extended position adjacent the side of the motor home. A drop cradle moves vertically out of the roof top platform in its extended position to a lower position at ground level to provide user access to equipment or luggage stored in the roof top carrier. Two separate motors power the horizontal movement and the vertical movement for moving the equipment and luggage from the roof to the lower position at ground level alongside the motor home.

Abstract: A mobile pneumatic apparatus for combined pneumatic and manual lifting and lowering of heavy objects. A vertically reciprocable carriage is mounted on a trolley and is linked by a hauling device to a vertically reciprocable pneumatic piston associated with gas flow controls and a weight sensor. The piston may optionally be coupled with hydraulic braking means.

Abstract: A bed transporting apparatus comprised of a lower telescopic movable frame supported on unidirectional casters. A vertical frame is secured to the lower movable frame and has a vertically displaceable bed supporting frame guidingly secured thereto. An hydraulic piston displaces the bed supporting frame in a vertical plane. The piston is operated by a hydraulic oil pumping lever and a valve controls the operation of the piston. The bed supporting displaceable frame has lower bed support arms to supportingly engage a side member of a bed and is further provided with an upper retractable guided connecting strap which is engageable with an opposed side member of the bed. The strap is wound about a drum which, when actuated, causes the bed to tilt along its side against the bed supporting frame and be held secured thereagainst. An extendible section of the lower telescopic frame is retracted to provide for the passage of the transporting apparatus and the bed held thereon through door openings.

Abstract: A forklift truck having a drive section and a load section which is vertically movable relative to the drive section. A parallelogram hinge connects the drive section to the load section and the load section has a front wall adjacent to a rear wall of the drive section. A cover rests on the upper edge of the rear wall of the drive section and has an edge adjacent to the upper edge of the front wall of the load section. The upper portion of the front wall of the load section is formed with a convex curve toward the drive section. When the load section is raised and lowered on the parallelogram hinge an essentially constant distance is maintained between the edge of the top cover and the upper edge of the front wall of the load section.

Abstract: A vehicle tire and wheel handling device in the form of a pair of tire and wheel receiving cradles or supports for receiving, supporting and handling vehicle tires and wheels when a vehicle is on a hoist in elevated position to facilitate the tires and wheels being "rotated", that is, being switched from one position on the vehicle to another position. Each cradle or support includes spaced parallel side support members interconnected by end rollers to cradle and receive a substantial portion of the periphery of a tire and wheel assembly in order to engage and support the wheel as it is removed from a wheel hub and maintain it supported in generally an upright position while the wheel is moved from a position adjacent one hub of the vehicle to a position adjacent another hub of the vehicle so that the tire and wheel assembly can be remounted on the vehicle on a different hub from which it was removed.

Abstract: A toilet fixture installation apparatus provides a compact structure for the support, movement, and alignment of toilet bowl fixtures during their installation. The inventive apparatus includes a three-wheeled base structure having a pair of lower frame members connected by a crossmember and defining a base plane, a fixed vertical mast portion carrying a sliding mast elevated by a jack member, a fixed horizontal boom extending from the sliding mast in the direction of the lower frame members, a fixed shoe assembly at the end of the fixed horizontal boom and bearing an outwardly-extending toilet bowl gripping member, an adjustable shoe slidably mounted and selectively fixed on the fixed horizontal boom bearing a toilet bowl gripping member extending in the opposite direction from the fixed shoe toilet bowl gripping member, this adjustable shoe also being vertically adjustable relative to the fixed shoe.

Abstract: An extensible stabilizing tower similar to those positioned about hydraulic cylinders having multiple extensible stages is modified to effectively connect cylinders vertically in series. An upper stage of the stabilizing tower supports an upper cylinder or parallel cylinders, and base parallel cylinders connected to the base of the stabilizing tower are operative to lift the upper stage supporting the upper cylinder. A load connected to the header of the upper cylinder is lifted a distance equal to the sum of the extension of the base cylinders and the subsequent extension of the upper cylinder.

Abstract: A vehicle having a suspension control system that is especially applicable to an aircargo transport loader which is adapted for storage in a cargo hold of an aircraft. The suspension control system utilizes sensors to monitor the clearance between the vehicle and an underlying or overlying surface such as the ramp leading into a cargo hold or the roof of the cargo hold. The sensors relay information concerning clearance to a central control where the necessary suspension adjustments are made to allow the vehicle to avoid a clearance problem once travel is continued after stopping for the suspension adjustment. The system allows for suspension adjustments to be made either automatically or manually. The invention also includes an under deck support system which allows for limited pitch, yaw, roll and side to side adjustments to be made to the deck with respect to the underlying base frame.

Abstract: A portable surface lift for a vehicle and retractable spring-loaded wheels attached to the lift for rolling the lift over a garage floor surface when the vehicle is not lifted on the lift. The lift has various adaptor pads for contact with the undercarriage of the vehicle, and a hydraulic cylinder raises and lowers the vehicle on the lift. The spring-loaded wheels extend and raise the lift from the floor for movement when a vehicle is not on the lift, and retract to allow the lift to rest on the floor when the vehicle is lifted. Three towing mechanisms are provided for moving the lift: a bar that can be attached to an automobile floor jack, a towing dolly, and a towing apparatus. The towing apparatus allows a towing bracket on the end of the lift's base to be reached beneath a long luxury vehicle. The lift may be rolled under and from a stationary vehicle, and has a safety locking mechanism for securing the lift in various raised positions.

Abstract: A lift for raising and lowering large cylindrical tanks, which when filled with a fluid such as liquid nitrogen are very heavy, is provided with a base consisting of two parallel beams, each with a wheel at each end and a cross beam closer to one pair of wheels than the other to leave a U-shaped part of the base that may be positioned around a tank. An upright telescoping beam has a horizontal rod at its upper end that engages an eye on a strap welded to the tank. When the upright telescoping beam is extended by a jack having one end on a seat secured to a hollow beam and the other end secured to the telescoping beam, the cylinder is raised in a nearly vertical position. Side struts aid in supporting the upright hollow beam, and each side strut supports a bumper rod that prevents the tank from dragging on the upright hollow beam. Pulleys with V-belts are positioned on the bumper rods to prevent the tank from dragging on the bumper rods.

Abstract: A transportable fluid pressure operated lifting jack comprises a load platform and a base platform with a bellows type fluid pressure expandable air bag secured between the platforms. A self-contained source of fluid pressure is supported on the jack and is selectively communicated with the air bag to raise the load platform and an object it supports, or is selectively exhausted to lower the load platform and the object is supports. Vertical guide bars extend between the load and base platforms and guide the upward, vertical movement of the load platform relative to the base platform.

Abstract: In a lift truck, preferably a shaft-steered traveling lift truck with a drive unit (3) pre-tensioned by spring loading in the vertical direction, the drive unit is hinged, adjustably in height, by linkage parallelogram suspension (41, 42, 44) on a chassis part (1) of the lift truck which cannot be raised. To continuously adjust the drive wheel pressure to the useful load conditions, at least one lifting cylinder (45) of the working hydraulic system for the low lift (basic lift is arranged directly between a chassis part (49) that can be raised and the linkage parallelogram suspension (41, 42, 44), and its lower end is mounted in a horizontal transverse linkage (42).

Abstract: A two wheeled towing trailer having a tongue for connecting to a towing vehicle, with an upright support post mounted to the center of an axle tube on which the wheels are rotatably supported. The support post has a cross arm pivotally attached to the upper end of the axle tube allowing the support post and cross arm to be lowered by swing down on the axle tube, allowing attachment of a vehicle to the cross arm by a pair of chains. A lever arm and winch are operated to raise the cross arm and hoist the vehicle to be supported on the support post. The lever arm is locked in the lowered position for towing. The cross arm pivots to improve maneuverability.

Abstract: A camera platform is positioned on the upper end of a lifting mechanism formed by a pair of driving cranks where the outer end of the second crank is connected to the camera platform and the inner end thereof is connected to the inner end of the primary crank. The lower end of the primary crank is pivotally mounted on a mobile chassis which includes a hydraulic system for actuating movement of the primary crank. The inner ends of the primary and secondary cranks are connected by a gear train that provides a two-to-one ratio to multiply the angular movement of the first driving crank to generate movement of the second driving crank in an opposite direction but at twice the angular magnitude of movement. The transmission of angular movement upon actuation of the hydraulic system is accomplished by a double jointed parallelogram system forming the driving cranks and connected to the drive gearing.

Abstract: A device for assisting in the mounting of a vehicle wheel. The present invention apparatus is adapted to provide apparatus for lifting a vehicle wheel to the height of a vehicle axle hub and mounting bolts and position the wheel for mounting thereon. A mounting base is equipped with a plurality of roller assemblies which permit the apparatus to be moved in all directions along the ground or other supporting surface. A supporting guide frame is secured to the mounting base to provide a positioning guide for lifting the vehicle wheel. A wheel positioning frame is slidably coupled to the positioning frame. The wheel positioning frame is curved to receive the vehicle tire. A plurality of rollers are coupled to the positioning frame in parallel spaced relation, the axis of each roller being adapted to be oriented parallel to the vehicle axle. A hoist assembly is coupled between the mounting base and the wheel positioning frame for raising the wheel positioning frame relative to the mounting base.

Abstract: A device for lifting and supporting a wheeled vehicle. The device includes jack structure for lifting the vehicle from a lowered position to a raised position; support structure for supporting the vehicle in the raised position; and connecting structure for connecting the support structure to the jack structure and for causing the support structure to move from an unsupported position in which the vehicle is not supported by the support structure to a support position in which the vehicle is supported by the support structure when the jack structure lifts the vehicle from the lowered position to the raised position.

Abstract: A portable wheel dolly (10) comprised of a shaft (12), a first support frame (14) and a second support frame (16) held in spaced, parallel relationship in an operating configuration and in end-to-end relationship in a stored configuration. The first and second support frames (14 and 16) have inclined face plates (36) to support one or more tires in an upright position. The shaft (12) slides through slip sleeves (40) at the midpoint of the first and second support frames (14 and 16) and engages nut (48) to hold the dolly (10) in the operating configuration. The shaft (12) slides through sleeves (50) and engages a nut (52) to hold the first and second support frames (14 and 16) in the stored configuration.

Abstract: A method and apparatus for moving book shelf units is disclosed. The book shelf units to be moved are of the type having vertical standards generally perpendicular to the ground and having a plurality of vertically spaced slots for supporting horizontal shelves between the standards. The vertical standards of the book shelf units are retainably engaged at positions therealong spaced from the ground. Moving devices are operatively connected to the engaging devices for cooperatively moving the engaging devices in a generally vertical manner relative to the ground. Therefore, movement of the engaging devices when retainably engaged to the vertical book shelf standards lifts and lowers the book shelf. Rolling devices are connected to the moving devices which enable the apparatus to be moved across the ground thereby moving the book shelf unit.

Abstract: A mobile cart is disclosed for supporting and transporting loads having support points which vary in location and number. The cart has a base frame having a top edge lying in a first plane and an inner mounting ledge lying in a second plane below said first plane. Wheels having stem members are mounted to assemble the base frame and to make it mobile. Cross members dimensioned to fit in the space between the first and second planes are releasably mounted on the main frame to permit their adjustment into general alignment below the support points of the load which is to be subsequently supported by the cart. A first locking device is provided to secure the cross members in position. Supports are mounted on each cross member for movement in a first direction parallel to the horizontal plane of the base frame and in a second generally vertical direction relative to the base frame. A second locking device is provided to secure each support in its selected position.

Abstract: A tire dismantling and setting device includes a roller holder for loading or holding tires thereon, an axle retainer pre-fixed on a car axle, a driving bolt rotatably secured on the roller holder, and a pair of tire fasteners fastening the tires on the roller holder, whereby upon a clockwise rotation of the driving bolt to urge the bolt coupled with the axle retainer against the car axle, the holder and the fastened tires can be dismantled conveniently and safely. When rotating the driving bolt counter-clockwise, the bracket, the tire fastener and the fastened tires are pushed rearwardly to be mounted on a car axle conveniently.

Abstract: A lift which can, for example, be used for lifting a container onto a truck, or for lowering it, includes a horizontal base equipped with wheels and capable of being raised above a floor and thereby supported on the wheels so that the lift as a whole may be moved, while the base can otherwise rest on the floor. A horizontal frame is mounted on the base and has a horizontally projecting portion, and a scissors jack is provided on the frame. A horizontal container-carrying table is supported vertically movably on the jack and has a horizontally projecting portion lying above the projecting portion of the frame. The table is provided along a pair of longitudinal edges with a pair of wheel guide grooves. The lift includes a mechanism associated with the base and the wheels for raising and lowering the base, and a mechanism connected between the jack and the table for opening and closing the jack to move the table vertically.

Abstract: This invention relates to a truck with a hand-operatable bed provided with wheels for use in moving, a hydraulic cylinder for lifting or lowering the bed, and a plunger pump for feeding oil into the hydraulic cylinder by pulling a pumping handle, which is characterized by being additionally provided with a load sensor that detects the change in the hydraulic pressure inside the cylinder, and an indicator that indicates that change calculated in terms of the weight of a cargo on the bed.

Abstract: A mechanical lifting device is the subject of the present invention. The device includes a framework which may be easily collapsed or assembled and comprises a plurality of tubular pieces which are held in place by bolts utilized as set screws. Two upright spaced apart frame sections support two spaced apart support bars and a gear rack and lever are employed to effect movement of the support bars. A platform may be mounted on the support bars to provide a scaffold. The platform may also be removed and the support bars positioned over a load to lift it straight upwardly.

Abstract: A dolly to transport articles such as wheel assemblies and transmissions, to present them with adjustable height and inclination. Support member on a base member are both controlled by seaparate elevator means, which are separately operable to vary the height and inclination of an article supported by them.