Abstract: A movable work bench used in repairing a transmission of a vehicle is provided, in which it is possible to control a desired height of the work bench, make fine adjustments for keeping the balance of the transmission supported on the work bench, and easily move the work bench due to the conditions of a working area. The movable work bench comprises a moving body installed at a lower portion of the work bench, a housing having one end mounted on a central portion and another end to which a cap is installed, an elevating means installed in the housing, a driving means mounted on a part of the elevating means for lifting and lowering the elevating means, and a supporting body safely supporting the transmission and lifted and lowered through the operation of the elevating means.

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 stand is disclosed herein for supporting one of a variety of automotive components, such as a transmission, which includes a base having four upright posts terminating in connection with a support plate. The center of the plate is provided with a mounting opening for accommodating one of a variety of adaptors for holding, supporting and stabilizing a transmission during servicing. A selected adaptor may be a spacer, a shaft stabilizer, or a movable plunger and support bracket therefor. A height and width adjustment fixture is carried on the support plate for lateral and vertical extension to accommodate transmissions of different size.

Abstract: A truck transmission jack includes a wheeled base to allow the jack to be moved in position below a transmission, gear box, or the like. A cradle is supported upon the wheeled base for engaging and supporting the underside of a transmission or gear box. The cradle is supported by three support arms, each being pivotally coupled to the wheeled base at one end of each support arm and pivotally coupled to the cradle at the opposing end of each support arm. All of the support arms are parallel to one another for maintaining the cradle in a relatively horizontal position as the support arms pivot. Two of the support arms are elevating arms having coaxial pivot points and extend from opposing sides of the wheeled base. A hydraulic jack rests upon the wheeled base between the elevating arms and includes a piston rod extendable upwardly for raising a yoke that is pivotally coupled to the elevating arms in order to raise the cradle.

Abstract: A hydraulic lifting device is used to lift a chassis part, such as a gearbox, and includes a mobile base and an upright prop which extends upwardly from the mobile base and which has a top end that is provided with a stationary pivot seat. A connecting bar is used to support the chassis part thereon. A driving crank arm has one end which is hinged to a first hinge point on the pivot seat and the other end hinged to a first hinge point on the connecting bar. A driven crank arm has one end hinged to a second hinge point on the pivot seat and the other end hinged to a second hinge point on the connecting bar. The pivot seat, the driving crank arm, the driven crank arm and the connecting bar cooperatively form a parallel crank four-bar linkage. A hydraulic cylinder has one end pivoted to the upright prop and another end pivoted to the driving crank arm. The hydraulic cylinder is operated so as to pivot the driving crank arm toward or away from the upright prop in order to adjust the height of the connecting bar.

Abstract: A service tool is provided for removal and replacement of vehicle parts. The service tool comprises a base, a lift arm mechanism including a base end in a distal end, the base end being pivotally mounted to the base. A jack is mounted to the base and the lift arm mechanism for pivotally moving the lift arm mechanism to adjust height of the distal end. A vehicle part adaptor is included for receiving a vehicle part to be removed or replaced. A ball and socket joint mounts the vehicle part adaptor to the lift arm mechanism distal end for allowing rotary motion of the vehicle part adaptor relative to the distal end in every direction and adjustable screws adjustably limit movement of the vehicle part adaptor to control attitude of the same.

Abstract: An adaptor for transmission jack of the type having an adjustable platform on the upper end of the jack, the adaptor including a centering block mounted on the platform, an inner and outer plate assembly mounted on the platform on each side of the centering block, the plate assemblies being simultaneously movable toward and away from the centering block, a fixture support bar mounted on each of the plate assemblies and a pair of fixture assemblies movably mounted on each of the support bars, fixture assemblies being separately movable to support and align the longitudinal axis of a transmission on the platform and the inner and outer plate assemblies being longitudinally movable to increase or decrease the distance between the fixture assemblies to accommodate the different length transmissions.

Abstract: A lift jack adaptor for cradling a heavy irregularly shaped object such as an automotive transmission includes a rigid base for mounting to a lift jack and pairs of laterally spaced arms extending up from the base, the upper ends of those arms being terminated by flanges for engaging the underside of the object cradled in the adaptor. These flanges are fastened to the object and positively connect the object to the adaptor so that one can raise and lower the object using the jack and repair the object in relative safety.

Abstract: A universal transmission work station (10) designed for use by a single person to mount and service any model or type of automatic transmission (50). Thus, the invention solves the problem of needing more than one work station to service the various models/types of transmissions used today. The work station (10) requires a minimum work space, is easily stowed when not in use and is easily dismantled for storage or shipment. The work station consists of eight common assemblies and a ninth assembly especially designed to service frontwheel drive transmissions. The design basically consists of a base assembly (12) to which is attached a lower and upper pivoting assembly (14) (16). After the transmission (50) is mounted to the work station, by means of a tail housing support assembly (18) and a bell-housing mounting plate assembly (20), the pivoting assemblies (14) (16) can be tilted to allow the transmission (50) to be serviced in a horizontal position.

Abstract: A portable lifting jack with ram, engine stand and transmission cradle. The jack is comprised of a boom for hoisting objects, an engine stand, transmission cradle, and a hydraulic ram and press assembly. The ram press is incorporated into the front vertical base of jack and provides a counter weight and also allows the press, engine stand and transmission cradle to be used simultaneously. The jack is equipped with caster wheels and the legs and boom are extendable to enable the jack to be placed in any necessary position.

Abstract: An equipment handling device is provided comprising a frame having forward and rearward ends and opposite sides. At least one extensible column structure extends upwardly from the frame. A pair of arm members are rotatably mounted on the column structure adjacent the upper end thereof and are adapted to hold equipment to be worked upon in a fixed position with respect to the arm members. The arm members are pivotable about a horizontal axis such that the equipment can be moved to a selected position for work thereon. A locking mechanism locks the arm members against rotation from the selected position. The device includes upwardly curved portions extending forwardly from the frame such that the device can be pivoted upwardly and forwardly for picking up the equipment to be worked upon.

Abstract: Apparatus for maintenancing the brake drum carried by the spindle of a wheel axle assembly. The apparatus reduces both the time required to maintenance a brake drum and the likelihood that bearings and bearing seals in the brake drum will be damaged when the drum is removed from its spindle.

Abstract: A floor jack equipped with a jack assembly including positionable arms having posts insertably engageable with bolt hole openings in one end of a vehicle drive line component. A rest is vertically and horizontally positionable to upwardly engage the other end of the drive line component. The rest carries a chain hold-down. A rail is arcuately positionable on a platform and a shoe is positionable along the rail and adjustably supports the rest.

Abstract: A stand (10) selectively positions a transmission case (12) having a wider end portion (14) and a narrower end portion (16). A generally rigid and open frame (18) supports a yoke (48) adjacent its front end. The yoke (48) extends across the frame (18) and has a pair of side bar structures (56,58) to which the wider end portion (14) of the transmission case (12) is attachable. A support structure (86) includes an upwardly extending support crossbar (88) having a support platform (100) and is adapted to support the narrower end portion (16) of the yoke (48). The support structure (86) may be mounted in several different orientations thereby allowing the transmission case (12) to be mounted in several different orientations.

Abstract: A support for the drive components of a front wheel drive vehicle includes a frame adapted to be mounted on a jack, a pair of saddle beams mounted on the frame and being adjustable vertically and horizontally relative thereto for supporting the vehicle engine and transmission. An arm is pivotally mounted at each end of the frame and includes a vertically extending portion which is adapted to be secured to the front wheel hubs for holding the transaxles and wheel struts in position as the engine, transmission, drive axles and struts are removed simultaneously from the vehicle.

Abstract: An adapter composed of front and rear brackets adjustably mounted on a jack pad has an arcuate recess receiving and supporting the rear flange of a transmission or differential housing and a front bracket with an adjustable plate carrying opposed horizontal straps to be bolted to the front end of the differential or transmission housing and recessed to surround the front end. Bolts sliding in elongated slots accommodate lateral and longitudinal adjustments of the brackets on the jack pad and elevation of a vertical plate carried by the front bracket. A feature of the invention is the rigid mounting support provided for the opposed horizontal straps which prevents shifting of the cradled housing and permits all repair work to be accomplished while a transmission or differential is fixedly supported on the jack.

Abstract: An alignment adapter and support particularly adapted for use with heavy duty jacks, the adapter and support including improved means for aligning and supporting relatively heavy and/or unwieldy components, such as automotive vehicle transmissions, differentials, torque converters and other heavy and/or unwieldy components, and enabling precise alignment of such components with mating components to facilitate installation thereof.