US Patent 7854460 Mating receiver rack for personal recreational vehicles

A receiver rack includes a main framework piece that is attached to a mounting surface of the personal recreational vehicle. The main framework may be flat and may be fashioned generally in the image of a cargo rack. The main framework may have mounting flanges for facilitating its connection to the recreational vehicle. The main framework includes at least one coupler mounted thereon. The coupler enables the main framework to be joined to one or more auxiliary frame pieces that contain at least one coupling member that mates with the coupler of the main framework. The coupler may also be used for joining a variety of seating and cargo units to the main framework.