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:
Mar. 27, 2018
Filed:
Jun. 14, 2017
Cheng Uei Precision Industry Co., Ltd., New Taipei, TW;
Chi-Ming Tseng, New Taipei, TW;
Chin-Chung Lin, New Taipei, TW;
CHENG UEI PRECISION INDUSTRY CO., LTD., New Taipei, TW;
Abstract
A rotation device includes a fixing element, a friction element fastened to the fixing element, a rotation element and a plurality of friction pieces. The fixing element has a first positioning portion. The rotation element is clamped between the fixing element and the friction element, and is capable of rotating with respect to the fixing element and the friction element. The rotation element has a second positioning portion. When the first positioning portion is engaged with the second positioning portion, an angle positioning function is capable of being provided. The plurality of friction pieces include at least one upper friction piece and at least one lower friction piece. The at least one upper friction piece is located between and contacts with the friction element and the rotation element. The at least one lower friction piece is located between and contacts with the rotation element and the fixing element.