Patent ID: 8453520

Claim:
A hinge durability testing device for testing the durability of a hinge hinging a cover with a main body, the hinge durability testing device comprising: a main body holder for holding the main body; a cover holder for holding the cover, the cover holder hinged to the main body holder, the cover holder comprising two support rods and a connecting rod; each support rod comprising a first surface facing the other support rod, and a second surface connected to the first surface; each first surface defining a first sliding groove, and each second surface defining a second sliding groove comminuting with one corresponding first sliding groove; two connecting elements, each connecting element mounted on one end of the connecting rod and slidably received in one of the first sliding grooves; a plurality of locking elements, each locking element slidably received in one of the second sliding grooves and retained on one of the connecting elements in the corresponding first sliding groove for preventing the connecting rod from separation from the support rods.