US Patent 7188740 Adjustable length wire shelves for adjustable organizer system

An adjustable width wire shelving unit has at least one first shelf and at least one second shelf. Each shelf has an elongate front wire, an elongate rear wire, and a plurality of transverse wires connected and extending between the respective front and rear wires. The front and rear wires extend a width of their respective shelf. The first shelf is sized to overlap and nest with the second shelf over a desired fraction of its width. The transverse wires of the overlapped first and second shelves lie in essentially the same plane to form a support surface.