Patent ID: 7497494

Claim:
A deck extension for a truck or trailer deck supported by a pair of I-beams comprising a pair of downwardly and rearwardly extending support beams which are rigidly secured to the I-beams, a transverse header attached to a rear end of the support beams, a shelf suspended between the support beams intermediate their ends, a platform hinged to the deck for pivoting movement between a position where the platform is level with the deck and a position where the platform is angled above or below the deck, a fence hinged to the transverse header for vertical swinging movement between a position where the fence and the platform are in generally parallel planes and a position where the fence is generally perpendicular to the platform, and, at least one air suspension bag mounted on the shelf suspended between the support beams and connected to a source of pressurized air for pivoting the platform between the position where the platform is level with the deck and the position where the platform is angled above or below the deck.