Patent ID: 8613365

Claim:
An upright assembly for a shelving system comprising: a. a tubular upper upright section having a bottom end portion; b. a rail assembly; and c. a base assembly including a tubular lower upright section, a top end portion, and a connector that connects the top end portion of the base assembly to the bottom end portion of the upper upright section, said base assembly adapted to stand on a surface; wherein the connector includes at least one blade assembly that comprises an insert blade and an alignment plate connected to the insert blade and the at least one blade assembly engages interiors of the tubular upper and lower upright sections wherein the rail assembly includes a back panel rail and a plurality of pin bracket assemblies, each pin bracket assembly including a pin bracket plate attached to the back panel rail and having a pin bracket plate opening and a pin bracket fastener passing through the pin bracket plate opening and engaging corresponding openings in the upper upright section; wherein the base assembly includes a lower upright section and the rail assembly further comprises a retainer bracket assembly including a retainer bracket plate attached to the back panel rail and having a retainer bracket plate opening and a retainer bracket fastener passing through the retainer bracket plate opening and engaging a corresponding opening in the lower upright section of the base assembly.