Patent ID: 7780017

Claim:
A vertical rack 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 connectors adapted to pivotally connect at least one tool rack to the hollow upright pivot shaft, each connector comprising a coupling ring pivotally connected to the hollow upright pivot shaft, a flat arm for carrying one said tool rack, a neck radially extended from the periphery of the coupling ring and terminating at one end of the flat arm, a first ridged portion transversely provided at one end of the flat arm and connected to said neck, and a second ridged portion transversely provided at an opposite end of said flat arm and defining with said first ridged portion and said flat arm a space for accommodating one tool rack, wherein each said connector further comprises a first locating rib and a second locating rib respectively provided at said first ridged portion and said second ridged portion; each said tool rack comprises a plurality of locating grooves respectively provided at two opposite peripheral walls thereof for receiving the first locating rib and the second locating rib of each said connector.