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.
Patent No.:
Date of Patent:
Jan. 30, 2007
Filed:
Aug. 18, 2004
Xinghuang Luo, Shenzhen, CN;
Ying Liang Tu, Shenzhen, CN;
Chia-hua Chen, Shindian, TW;
Shenzhen Futaihong Precision Ind. Co., Ltd., Shenzhen, CN;
Sutech Trading Limited, Tortola, VG;
Abstract
A hinge () includes a cam (), a cam follower (), a torsional spring (), and a can (). The cam includes a round flange (), with a notch () defined therein. The cam follower connects with the cam, and includes an engaging ring () around an open end thereof and a projection () on an inner wall thereof. The projection is removably engaged in the notch of the cam. The spring is twisted and attached in the cam follower, with one end fixed on the cam follower and the other end fixed on the cam. The can defines a groove () rotatably receiving the engaging ring of the cam follower, and a guiding hole () movably receiving the cam. The hinge has a relatively simple and stable unified structure.