Abstract: A wheelchair lift device including a platform located in the stepwell of a motorcoach for raising and lowering a wheelchair between a first position wherein the platform is in horizontal alignment with an elevated floor formed with the motorcoach and a second position wherein the platform is at ground level. The device includes foldable hinged sections that are positioned through a linkage and a rotatable arm to form steps for use by able-bodied persons and are extendible laterally outwardly relative to the stepwell so as to align the hinged sections along a horizontal plane and thereby form the platform for supporting the wheelchair.

Abstract: A three-point cambering vehicle having an upright steering frame supporting a steerable contact and a pair of rearwardly positioned and laterally spaced contacts which are connected to the steering frame through spring means for allowing cambering of the vehicle when the operator leans into a turn.

Abstract: A push-pull electric switch having a pair of spherically shaped contact plates which normally bias an actuator towards a neutral position. The contact plates are formed with contact tabs that are engageable with stationary contact members when the actuator is moved in opposite directions.

Abstract: Apparatus for coating one surface of a molded article that consists of a pair of relatively movable die members which when closed form a cavity for molding the article in a desired configuration. One of the die members has a chamber formed therein into which a predetermined amount of liquid coating material is supplied through an injector device which is selectively movable into and out of engagement with an inlet port formed in the die member that communicates with the chamber. After the chamber is charged with the coating material, a plunger forces the material into the cavity to coat the outer surface of the article while the die members are closed.

Abstract: A cambering vehicle employing a cambering device which interconnects the trailing arms for controlled pivotal movement and includes means for locking the trailing arms together and for allowing the vehicle to be folded into a compact configuration so as to facilitate stowage thereof.

Abstract: Apparatus for closing an article wrapper that has a lower tubular portion integrally formed with an upper flap. The apparatus includes a horizontally extending frame having an entrance section and a conveyor section with the former having a rail for maintaining the flap spaced from the tubular portion as the wrapper moves toward the conveyor section. The conveyor section has a power-operated flap depressor that serves to move the lower edge of the flap into position for bonding engagement with the tubular portion while the wrapper is being moved by an endless belt towards the exit end of the apparatus.

Abstract: A cambering vehicle having a steering frame which pivotally supports a pair of trailing arms with one of the trailing arms being provided with a lock bar that is movable from a stored position into a position wherein the free end of the bar is connected to the other trailing arm so as to prevent relative movement of the trailing arms and thereby permit the vehicle to be parked.

Abstract: A ride strut for a vehicle suspension system having relatively reciprocable piston and cylinder members which provide a pair of variable volume chambers and a fixed volume chamber interconnected through a pair of orifices which serve to dampen the relative movement of members. The piston member is formed with a passage that cooperates with a recess formed in the cylinder member for providing a continuous flow leveling system.

Abstract: A cambering vehicle having pivoted trailing arms interconnected through a cambering device including a two-piece bell crank that incorporates locking means for allowing the trailing arms to be locked together for parking purposes and also folded towards the vehicle frame so as to provide a compact package which can be readily stowed.

Abstract: A step member for attachment to a frame of a tractor that includes a single flexible cable having the opposite ends thereof provided with bracket members which serve to attach the cable to the tractor frame so as to form the cable into a generally U-shaped configuration and provide a pair of vertically oriented arcuate legs and a substantially horizontal base the latter of which has a foot supporting plate secured thereto of a length substantially less than the distance between the coupling members.

Abstract: A step member for attachment to the frame of a tractor. The step member includes a pair of flexible cables each of which has a coupling member at the lower end thereof that extends through an enlarged aperture in a foot supporting portion and serves to connect the latter to the cables so as to permit limited movement of the foot supporting portion relative to the coupling members. The upper ends of the cables are pivotally connected to the frame in a manner that allows the foot supporting portion to swing in a plane parallel to the longitudinal axis of the tractor when the foot supporting portion encounters an obstacle.

Abstract: An elongated conveyor for moving parts along an axis substantially perpendicular to the longitudinal axes of the parts having an entrance end and an exit end and including a pair of laterally spaced support plates. A series of notches are formed in the upper portion of each of the support plates for supporting and axially spacing the parts. A plurality of positioning members are provided between the support plates for controlling successive movement of the parts from one notch to the next notch in the direction of the exit end of the conveyor. A section of the support plates are provided with transversely aligned openings that serve to accommodate a carrier which is selectively removable and replaceable by a similar carrier that is either filled with parts or empty depending upon whether the conveyor needs or is filled with parts.

Abstract: A cambering vehicle having pivoted trailing arms interconnected through a cambering device including a bell crank consisting of two wing members which are connected together by a gearing arrangement and combined with a lever-operated locking device that allows the trailing arms to be freely movable for normal operation of the vehicle and to be folded towards the vehicle frame so as to provide a compact package when the vehicle is to be stowed.

Abstract: A cambering vehicle having pivoted trailing arms interconnected through a cambering device including a two-piece bell crank that allows the trailing arms to be locked together and folded towards the vehicle frame so as to provide a compact package which can be readily stowed.

Abstract: A cambering vehicle having pivoted trailing arms interconnected through a cambering device including a two-piece bell crank which has a lever-operated locking pin that allows the trailing arms to be locked together and folded towards the vehicle frame so as to provide a compact package which can be readily stowed.

Abstract: Tool changing apparatus for a multi-axis manipulator for selectively receiving and holding one of at least two different work tools. Each of the work tools is mounted on an upstanding table and is provided with a substantially vertical plate and a substantially horizontal plate. A support assembly is provided on the manipulator that is adapted to be locked to the vertical plate on one of the work tools for performing a programmed work cycle after which the work tool is returned and deposited on the upstanding table under program control and the manipulator is then locked to the vertical plate of the other work tool for performing additional operations.

Abstract: A ground engaging shoe for the cushioned track of an off-highway vehicle that is generally rectangular in shape and includes a V-shaped main grouser that is bounded on the opposite sides thereof by a pair of secondary grousers, each of which has a body portion that is substantially parallel to one of the arms of the main grouser.

Abstract: A trailer that is closely coupled to the rear of a passenger vehicle and includes a steering mechanism for automatically positioning the trailer wheels in a locked, straight-ahead position when the vehicle is traveling forwardly and in a steerable mode when the vehicle is moving rearwardly.

Abstract: A sealing assembly for a control lever that extends through an opening. The sealing assembly includes a plurality of stacked seal members that have mating surfaces which allow movement of the control lever about a pair of mutually perpendicular nonintersecting axes.

Abstract: An operating mechanism for raising the dump body of a dump truck that includes a linear actuator arranged with its longitudinal axis substantially parallel to the floor of the dump body when the latter is in the lowered-carry position and is connected to a bell crank member for raising the dump body.