US Patent 7413390 Cargo anchoring system and associated method

A cargo anchoring system includes anchor rings with an opening formed therein. Each ring has a tongue monolithically formed with an outer perimeter thereof and extending outwardly therefrom. Each tongue has planar top and bottom surfaces respectively oriented perpendicular to a central axis of a corresponding one of the ring openings. Each tongue has an aperture formed therein. Each of a plurality of bars has a groove formed in an outer surface thereof and penetrates through corresponding ones of the apertures of the tongues. A plurality of cotter pins engages corresponding ones of the grooves and prevents the bars from separating from the tongues. A plurality of rails is connected to the rings and the existing vehicle. An anchor plate, including a hitch ball, is coupled to inner surfaces of the rails and centrally positioned therebetween.