US Patent 8740207 Folding bench

A portable workbench includes a pair of first support structures, a pair of second support structures, a first top member coupled to the first support structures, a second top member and a clamping mechanism. Each second support structure is pivotally coupled to an associated one of the first support structures. The clamping mechanism is coupled to the second support structures and is configured to selectively translate the second top member relative to the second support structures.