US Patent 7252202 Cargo rack

A cargo rack utilizing structural beams, structural beams used in a framework comprising a plurality of vertical posts with either key shaped apertures or slots and a plurality of horizontal shelving members, structural beams contain either circular apertures when corresponding vertical post contains key shaped apertures or fingers when corresponding vertical post contains slots enabling structural beams to connect to vertical posts, thus allowing horizontal shelving members to be associated with structural beams and vertical posts.