Patent ID: 7661158

Claim:
A portable cot comprising first and second shell parts having an upholstery on both shell parts, each shell part being made of a hard material, and including a bottom plate having a free edge and a standing side wall connected to the bottom plate along three sides of a perimeter of the bottom plate and terminating at opposed free standing far ends, said far ends of the standing side wall of the first shell part overlapping the free far ends of the standing side wall of the second shell part; said shell parts being pivotally connected to each other by coaxial threaded hinge pins threadedly connected to the free ends of the second shell part enabling folding together and securing of the shell parts together against separation, with the free ends of the first shell part pivotally mounted on the hinge pins so that both shell parts are mutually hinged at their respective free standing far ends for movement between an open position, in which both shell parts including their respective bottom plates are in line, and a closed position, in which both shell parts are folded together with their bottom plates parallel to each other, said shell parts and side walls configured so that upon folding into the closed position the standing wall of the second part is substantially entirely disposed within the standing wall of the first shell part, wherein the free ends of the second shell part extend on their far ends beyond an adjacent free edge portion of the bottom plate of the second shell part; and clamping means associated with the hinge pins enabling locking of both shell parts relative to each other in a number of intermediate positions; wherein the upholstery includes a supple flap having a handle and apertures adjacent said hinge pins, said clamping means extending through said apertures.