VEHICLE WITH MULTI-POSITIONABLE FLAT BED

摘要

A roll-back flat-bed truck comprising a cab at the front end and a frame at the rear end and a flat bed secured thereto by securement means, the securement means including a hinge having a layer hinge half coupled to the frame and an upper hinge half coupled to the bed and a hinge pin coupling the hinge halves to allow tilting the upper hinge half and bed with respect to the lower hinge half and frame about a horizontal axis; a swivel plate attached to the frame adjacent to the rear end of the bed and a swivel pin positioned in an aperture extending through the swivel plate and lower hinge half to allow swiveling of the bed with respect to the frame about a vertical axis; an intermediate support attached to the upper surface of the upper hinge half with means to slidably couple the bed thereto to allow for rolling the bed longitudinally with respect to the intermediate support, hinge and frame; first drive means to slide the bed longitudinally with respect to the intermediate support, hinge and frame; second drive means to tilt the bed, intermediate support and upper hinge half with respect to the lower hinge half, swivel plate and frame; and third drive means to swivel the bed, intermediate support and hinge with respect to the frame. Also disclosed is the method of using such truck.