Patent ID: 7337498
Filing Date: 2008-03-04
Classification: E05D,E05Y,H04M,Y10T

Abstract:
1. A hinge assembly comprising: a base; an elastic member disposed on the base; a first cam disposed on the base in a manner such that the first cam rotates in a first direction and a second direction opposite to the first direction; a second cam disposed on the base in a manner such that the second cam is abutted by the first cam, wherein the first cam and the second cam are arranged such that the first cam and the second cam are engaged and the second cam rotates along with the first cam when the first cam rotates in the first direction; and a third cam disposed on the base in a manner such that the third cam is abutted by the second cam and the elastic member, wherein the second cam and the third cam are arranged such the second and the third cam are engaged and the second cam is blocked by the third cam and does not rotate along with the first cam when the first cam rotates in the second direction, and the third cam does not rotate along with the second cam when the first cam rotates in the first direction.