Patent ID: 7922013

Claim:
A tool storage device comprising: (a) a hollow upright pivot shaft having two ends, a top end and a bottom end; (b) the hollow upright pivot shaft end capped on the top end and the bottom end; and (c) a plurality of coupling rings respectively mounted on the hollow upright pivot shaft at different elevations, and a plurality of support arms respectively coupled to the coupling rings, each of the support arms having a proximal end, a distal end, a front wall, a top wall, and a bottom wall, and a plurality of open receiving chambers respectively vertically cut through said top and bottom walls for holding hand tools, each said receiving chamber having a top opening in said top wall, and a bottom opening in said bottom wall, wherein each said support arm has a male coupling block at the proximal end thereof for coupling one coupling ring; each coupling ring has a female coupling block at the periphery thereof for receiving the male coupling block of one said support arm, and wherein the male coupling block of each said support arm has a T-shaped coupling portion; the female coupling block of each said coupling ring defines an upwardly extended T-groove for receiving the T-shaped coupling portion of the male coupling block of each said support arm.