US Patent 8672388 Hard roll-up tonneau

A tonneau system for a pickup bed comprising a bracket system connectable with a sidewall of the pickup bed and a plurality of hingeable sections pivotally coupled to each other to define a continuous surface. Each of the plurality of hingeable sections being connected to adjacent hingeable sections to permit at least some of the plurality of hingeable sections to be rolled together into a generally circular cross-section to selectively reveal the pickup bed.