Patent ID: 7987560

Claim:
A hinge assembly, comprising: a pivot shaft; a first supporting member adapted to be mounted to a first hinged member, a second supporting member sleeved on the pivot shaft and adapted to be mounted to a second hinged member, wherein one of the first supporting member and the second supporting member is non-rotatably connected to the pivot shaft; and a first positioning piece and a second positioning piece sleeved on the pivot shaft, and adjacent to each other, wherein one of the first positioning piece and the second positioning piece is non-rotatably connected to the first supporting member, and the other one of the first positioning piece and the second positioning piece is non-rotatably connected to the second supporting member; wherein the first positioning piece defines at least one positioning protrusion, and the second positioning piece defines at least one positioning hole for receiving the at least one positioning protrusion; the second positioning piece is elastic, such that when the first supporting member rotates relative to the second supporting member, the second positioning piece deforms, and the at least one positioning protrusion is capable of disengaging from the at least one positioning hole of the second positioning piece.