Patent ID: 6199935
Filing Date: 2001-03-13
Classification: B60J

Abstract:
Apparatus for moving a flexible sheet cover with respect to a load-carrying box on a land vehicle, the box having a floor, a pair of parallel side walls extending upward from the floor, a front wall and a back wall extending upward from the floor, the front and back walls being coupled to the pair of side walls to form a generally rectangular container, the container having an upper perimeter defined by a top edge of each of the walls encompassing an open top, the flexible sheet cover having a first end secured adjacent a top edge of one of the walls and a second end movable by the apparatus, the apparatus comprising:a roller attached to the second end of the flexible sheet cover, the roller having opposite ends projecting beyond the top edges of a selected two non-contiguous walls forming the load-carrying box; a motor coupled to the roller for rolling and unrolling the flexible sheet cover; an arm having a first end coupled to the roller and a second end, the arm including a slot; and a pin coupled to the load-carrying box and slidably engaged in the slot to define a pivot for the arm so that the roller can remain in constant contact with the top edges of the selected two non-contiguous walls forming the load-carrying box.