US Patent 10286943 Material handling device

A material handling device is provided. The material handling device includes a bottom, a frame, a wall, an a plurality of wheels. The bottom includes an upper surface and a lower surface. The frame includes an upper surface and a lower surface. The wall surrounds the bottom and the frame, and includes an inner surface, an outer surface and an inner shelf attached to a lower portion of the inner surface. The inner surface includes an upper surface attached to a portion of the lower surface of the bottom, and a lower surface attached to a portion of the upper surface of the frame. Each wheel is attached to the lower surface of the frame.