Patent ID: 7976105

Claim:
An apparatus comprising: a dump box having an open end; a tailgate supported on the dump box for movement between a closed position, wherein the tailgate closes the open end of the dump box, and an opened position, wherein the tailgate is spaced away from the open end of the dump box; and a double cylinder assembly that extends between the dump box and the tailgate for selectively moving the tailgate between the closed and opened positions; wherein either (1) the dump box includes a corner post that is formed from a hollow rectangular member and the double cylinder assembly is disposed within the corner post, or (2) the double cylinder assembly includes first and second cylinders that are disposed adjacent to one another, each of the first and second cylinders has a respective piston rod associated therewith, the piston rods are connected to a cross bar for concurrent extending and retracting movement, and the cross bar is connected to a yoke that, in turn, is connected to the tailgate of the dump box.