Abstract: A truck bed having a longitudinally movable bulkhead for ejecting material carried therein. A cab cover plate is pivotally attached to a carriage coupled to the bulkhead. A mechanism for pivoting the cab cover plate to remove the material carried thereon is also provided.

Abstract: A foldable trestle for supporting a flexible drain conduit is formed of four or more stretcher sections connected end-to-end by hinge sections. The stretcher sections each comprise a pair of angle members with upright flanges spaced apart at each end by a crosswise hinge member. The hinge member connecting the first and second stretcher sections is a single-pin hinge; the hinge members connecting the second and third sections and the remaining hinge members are double-pin hinges. For storage the first and second sections are folded back-to-back around the pin of their hinge. The spacing between pins of the second hinge is sufficient to permit the third stretcher section to be folded parallel to the second stretcher section but spaced therefrom so as to enclose the folded first stretcher section.

Abstract: The specification discloses improvements in a mechanized wheelchair in which the seat, back and leg members are so linked and articulated on a body frame as to enable the occupant to assume any one of three positions, namely sitting, standing or reclining. By movably mounting the body frame on a base frame the height may also be controlled in conjunction with the above positions. A drive means is also provided and the use of electrical operational means and an improved structural design make this invention safer and more versatile than any disclosed in the art.

Abstract: The specification discloses a wheelchair in which the seat, back and leg portions are so articulated and separately actuable, by power means, under control of the occupant, as to enable the occupant to assume any one of three positions, namely sitting, standing or reclining. Two separated leg support members are selectively actuable by the occupant to a horizontal leg-supporting position. Steering and forward and reverse propulsion controls accessible to the occupant are also provided, enabling the occupant to obtain substantially total mobility on level ground.