Patent ID: 7690664

Claim:
A trailer slider system including a body rail that slides longitudinally relative to a suspension frame side rail, one of the body rail or the suspension frame side rail including holes that provide multiple suspension positions, the trailer slider system comprising: a pin connection assembly having a pin that is arranged to extend into one of said holes in a locked position and retract out of one of said holes in an unlocked position; a cam coupled for movement with said pin connection assembly; a tube supported by a slider support structure, said tube coupled with said cam to rotate as said pin moves between said locked position and said unlocked position, and wherein said tube extends along a tube axis that is perpendicular to a longitudinal axis defined by said body rail with said tube axis extending in a vertical direction along a length of said tube, said longitudinal axis extending along a length of said body rail, and wherein said pin has a length extending in a lateral direction as defined across a vehicle width; and a pneumatic actuator coupled with said tube for selectively rotating said tube to move said cam to move said pin between said locked position and said unlocked position, wherein said pneumatic actuator includes an exhaust state and a pressurized state, with said exhaust state corresponding to said locked position and said pressurized state corresponding to said unlocked position.