Patent ID: 7168133
Filing Date: 2007-01-30
Classification: E05D,E05F,E05Y,H04M,Y10T

Abstract:
1. A hinge for a portable electronic device, comprising: a cam comprising a main body, the main body having a curved flange, the flange defining a notch and a recess; a cam follower defining a cavity therein and an open end, the cam follower comprising an engaging portion formed at the open end, and a projection in the cavity near the open end, the projection being received in the notch of the cam; a first spring twisted and received in the cam follower for accumulating potential energy, with one end of the first spring fixed on the cam follower, and the other end of the first spring fixed on the cam; and a can defining a groove rotatably receiving the engaging portion of the cam follower, and a first hole movably receiving the main body of the cam; wherein the main body of the cam can slide but not rotate in the first hole of the can in order to release the projection from the notch, and the first spring can drive the cam follower to rotate relative to the cam such that the projection is received in the recess.