Patent ID: 7757867

Claim:
A tool storage rack adapted for retaining a plurality of tool heads therein, each of the tool heads having a socket wall that has an internal wall surface, said tool storage rack comprising: a positioning seat having a top wall with a top wall periphery, a surrounding wall extending downwardly from said top wall periphery, and a plurality of spaced apart positioning holes formed in said top wall and adapted for receiving respectively the tool heads therein; and a base seat coupled to said positioning seat, and having a base wall with a base wall periphery connected to said surrounding wall and a top surface facing said positioning seat, and a plurality of positioning units that are formed on said top surface of said base wall at positions corresponding respectively to said positioning holes in said positioning seat, each of said positioning units including a pair of spaced apart positioning plates extending upwardly from said top surface of said base wall, and a pair of protrusions formed respectively at said positioning plates and adapted to abut against the internal wall surface of one of the tool heads when the tool head is sleeved on said positioning unit via a corresponding one of said positioning holes.