Patent ID: 8474102

Claim:
A hinge assembly, comprising a first pivot unit, the first pivot unit comprising: a shaft comprising a non-circular sleeve portion; a bracket rotatably sleeved on the shaft; an engaging member comprising a sleeving hole with a shape substantially corresponding to a cross-section of the sleeve portion of the shaft; a locking member comprising a sleeving hole with a shape substantially corresponding to a cross-section of the sleeve portion of the shaft, and the locking member non-rotatably latched to the engaging member; and an elastic member sleeved on the shaft to resist the locking member, the engaging member, and the bracket on the shaft, wherein the locking member and the engaging member are laminated together and resist each other in a vertical direction, a first side wall of the sleeving hole of the locking member and a first side wall of the sleeving hole of the engaging member each resist opposite sides of the sleeve portion of the shaft, a second side wall of the sleeving hole of the locking member opposite to the first side wall thereof and a second side wall of the sleeving hole of the engaging member opposite to the first side wall thereof are each spaced from opposite sides of the sleeve portion of the shaft.