Slow closing door hinge

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9957743
SERIAL NO

14763316

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A slow-closing door hinge, includes a first foldout and a second foldout having a shaft sleeve respectively. A fixed rod mounted in the sleeve of the first foldout, and a rotating rod mounted in the sleeve of the second foldout are connected by a connecting rod. The connecting rod and the fixed rod are movably connected, with a hollow groove at the joint. A restoring spring in contact with the fixed rod and fixed to the connecting rod in the hollow groove. The connecting rod is connected with the rotating rod in a coaxial, rotationally actuating manner. The forward and backward rotation of the fixed rod and the rotating rod cooperates with the restoring spring to drive the connecting rod in a reciprocal motion within the shaft sleeve.

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Patent Owner(s)

Patent OwnerAddress
CHEN ZHENGCALIFORNIA USA CALIFORNIA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Shangda Beijing, CN 2 12
Chen, Zheng San Jose, US 402 11152

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