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:
Jul. 07, 2026
Filed:
Feb. 27, 2023
Chiun Mai Communication Systems, Inc., New Taipei, TW;
Chiun Mai Communication Systems, Inc., New Taipei, TW;
Abstract
A hinge assembly includes two hinge arms, a fixing structure, and a plurality of balls. Each of the two hinge arms includes a gear portion. A shaft hole and at least one groove are defined on the gear portion, and the shaft hole connects to the at least one groove. The fixing structure includes two central shafts, each of the two central shafts passes through the shaft hole respectively. Each ball is accommodated in the at least one groove. The balls are in interference fit with the two central shafts. The balls and the two central shafts generate a damping force while they rotate relative to each other or tend to rotate relative to each other to maintain the position of the two hinge arms. The hinge assembly has a long service life and sufficient space. A terminal device is provided according to the present disclosure.