The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 19, 2006

Filed:

Jun. 01, 2004
Applicants:

Qing Ming Huang, Shenzhen, CN;

Shui Yuan Qin, Shenzhen, CN;

Chia-hua Chen, Tu-Chen, TW;

Inventors:

Qing Ming Huang, Shenzhen, CN;

Shui Yuan Qin, Shenzhen, CN;

Chia-Hua Chen, Tu-Chen, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05D 11/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hinge assembly includes a housing () encasing a spring (), a cam follower (), a cam member () and a washer () therein. The cam follower has a shaft (), and a pair of tabs () perpendicularly formed on the shaft. The spring is coiled over the shaft, and is compressively engaged in the housing. The tabs of the cam follower slide in grooves () of the housing. The cam member includes a cam portion () and a connector (). The cam portion forms a pair of peaks () and a pair of valleys (), being engaged with the tabs of the cam follower. The connector extends outside of the housing. The washer is rotatably inserted over the connector, and is fitted in the housing for fixing the hinge components in the housing.


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