US Patent 7905539 Variable-geometry vessel for transport vehicle

Vessel (1) for a goods transport vehicle comprising two side walls (2) and a base (3), characterized in that it comprises means for the transverse movement (4) of the side walls (2) relative to the base (3). Advantageously, the means of transverse movement (4) are designed to move the bottom edges (5) of the side walls (2) in order to change the shape of the vessel from a basically rectangular shape to a basically U shape or vice versa. The present invention applies particularly to the transportation of bulk materials or made-up goods.