Patent ID: 8205302

Claim:
A hinge assembly, comprising: a shaft comprising a cap and a shaft portion; a rotary member fixed to the shaft, comprising a mounting portion packaging the cap of the shaft and a friction body packaging a part of the shaft portion; and a tube rotatably sleeved on the shaft portion of the shaft and engaging with the friction body of the rotary member; wherein an entirety of the rotary member is deformable and elastic, the friction body deforms when the tube rotates to a predetermined position relative to the rotary member, thereby generating friction between the friction body and the tube; the friction body comprises a rectangular main body, two rectangular friction portions formed at opposite sides of the rectangular main body, and two rectangular connecting portions, each of the two rectangular connecting portions protrudes from the rectangular main body, each of the two rectangular friction portions protrudes from each of the two rectangular connecting portions; a distance between utmost points of the two rectangular friction portions exceeds a distance between utmost points of the two rectangular connecting portions; the distance between utmost points of the two rectangular connecting portions exceeds a distance between utmost points of the rectangular main body.