| 摘要 |
A manually operated multi-purpose ramp assembly for ascending, disembarking, from the back of truck boxes and like vehicles. The invention is comprised of a shell enclosure encompassing a single or dual ramps. Each dual ramp is independent of each other with the single or dual ramps having at its inner and upper end a hinged portion. The outer side or frame of the shell encompassing the ramps is shaped to fit itself around the fenderwells of the truck box which secures it into position. With the tailgate of a given vehicle lowered, the ramp withdraws fully with the upper end of the hinged portion resting on the tailgate. With a tailgate removed from a given vehicle, the ramp is withdrawn only to the point where the upper or hinged part of the ramp remains inside the shell enclosure.
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