| 摘要 |
A collapsible truck bed covering structure includes left and right base members fastened to the top of left and right sidewalls, respectively, of the truck bed. Left and right sidewalls are hinged at the bottom to the left and right base members, respectively. Trolleys at the top of the left and right sidewalls are couple to the rails in a top member so that raising and lowering the top member, raises and lowers the sidewalls. Rear and front window frames are hinged at the bottom with a pin and inverted J-slot hinges between horizontal retracted and vertical extended positions and releasably locked by post and keyway structure.
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