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:
Apr. 07, 2009
Filed:
Mar. 20, 2006
Chao Duan, Shenzhen, CN;
Chia-hua Chen, Tu-Cheng, TW;
Chao Duan, Shenzhen, CN;
Chia-Hua Chen, Tu-Cheng, TW;
Shenzhen Futaihong Precision Industry Co., Ltd., ShenZhen, Guangdong Province, CN;
Sutech Trading Limited, Tortola, VG;
Abstract
A hinge assembly () includes a retaining member (), a fixing seat (), a control member (), a first spring (), a follower element (), a rotating element (), a second spring () and a shaft (). The first spring provides an elastic force to the control member. The rotating element includes an axis hole having an inner screw thread (). The rotating element disposes two protrusions (). The follower element includes two recesses () and two plane portions (). The second spring provides an elastic force to make the protrusions of the rotating element receive in the recesses of the follower element and resist each other. The shaft defines an outer screw thread (). The outer screw thread engages with the inner screw thread of the rotating element.