Patent ID: 8267455

Claim:
A trailer comprising: a lower body portion having a first floor, a front wall, a back wall and a pair of opposite side walls; an upper body portion disposed over said lower body portion and having a movable upper segment and a fixed lower segment which is connected to said lower body portion, said lower segment interfacing within said upper segment, said upper segment having a front wall, a back wall and a pair of opposite side walls and a roof, said lower segment having a front wall, a back wall and a pair of opposite side walls, and a second floor positioned between said roof of said upper segment and said first floor of said lower body portion, said upper segment being shiftable relative to said lower segment such that said upper segment has a raised and a lowered position relative to said lower segment and said lower body portion, said front wall of said upper segment retracting behind a nose of said trailer so that no portion of said upper segment remains exposed when said upper segment is in its lowered position; and an actuator for raising and lowering said upper segment relative to said lower segment.