Patent ID: 7818845
Filing Date: 2010-10-26
Classification: E05D,E05F,E05Y,H04M,Y10T

Abstract:
1. An automatic and manually activated open-and-close hinge device comprising: a shaft member having a first end and a second end; a fixture securely attached to the first end of the shaft member, and including an actuating member with a push-button movable toward the second end of the shaft member when triggered; an initiating cam rotationally assembled to the shaft member and next to the fixture, a locking key arranged between the initiating cam and fixture preventing the initiating cam from rotating against the fixture, the initiating cam having a first cam surface toward the second end; a follower rotationally and slidably attached to the shaft, and having a second cam surface biasing against toward the first cam surface of the initiating cam, and a third cam surface toward the second end of the shaft member; a slider cam slidably assembled to the shaft member and having a fourth cam surface biasing against toward the third cam surface of the follower; a compression spring member attached to the shaft for providing the resilience to the device to axially move the slider cam.