Abstract: A pair of support members are arranged for mounting on the floor of a vehicle cargo area and support a cargo box by rollers for movement between forward and rearward positions to provide easy access for loading and unloading the box at the rear of the cargo area. The support members and box have engaging latch portions providing latching notches for the box in forward, rearward and intermediate positions. Front and rear vertical axis rollers are provided on the box and support members, respectively, and have engagement with the other of the box and support members to provide a non-binding lateral stability. Also, longitudinally adjustable abutment means are provided to hold the box in a non-rattling forward latched position.

Abstract: A pair of support members are arranged for mounting on the floor of a vehicle cargo area and support a cargo box by rollers for movement between forward and rearward positions to provide easy access for loading and unloading the box at the rear of the cargo area. The support members and box have engaging latch portions providing latching stops for the box in forward, rearward and intermediate positions. The rearward end of the box is open and is arranged to be closed by the rear door of the vehicle cargo area. Roller support of the box is such that it has a cantilevered support in its rearwardmost position which is horizontal and in alignment with its line of travel. The box has reinforcement therearound so as to hold cargo and also serves as a liner to protect the cargo area.