Patent ID: 7573700

Claim:
A support mechanism, for supporting an object, comprising: a base comprising a second circular arc structure; a support having a top end and a bottom end, the bottom end fixed to the base, and the top end spaced apart from the base; a rotatable member fixed to the object and rotatably connected with the top end of the support; and a friction member fixed to the rotatable member, having a first circular arc surface corresponding to the second circular arc structure, the first circular arc surface slidably abuts a top surface of the second circular arc structure; wherein when the object and the rotatable member receiving an external force less than a friction generated by the first circular arc surface abutting the top surface of the second circular arc structure, the object and the rotatable member are kept still; wherein when the object and the rotatable member receiving an external force exceeding the friction, the object and the rotatable member rotate relative to the top end.