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. 02, 2019
Filed:
Jan. 26, 2017
Shanghai Hingwah Honeycomb Technology Development Co., Ltd., Shanghai, CN;
Dong Zhou, Shanghai, CA;
SHANGHAI HINGWAH HONEYCOMB TECHNOLOGY DEVELOPMENT CO., LTD., Shanghai, CN;
Abstract
The invention discloses a folding and unfolding mechanism. The folding and unfolding mechanism is mounted between an upper panel and a lower panel which are hinged, and is used for folding and unfolding the upper panel and the lower panel, and for overturning for 0-180 degrees between the upper panel and the lower panel; wherein the folding and unfolding mechanism comprises a four-connecting-rod assembly, a pushrod assembly and an auxiliary connecting rod assembly; the auxiliary connecting rod assembly comprises a first auxiliary connecting rod and a second auxiliary connecting rod, wherein one end of the first auxiliary connecting rod is hinged to one end of the second auxiliary connecting rod; the other end of the first auxiliary connecting rod is hinged to the lower panel; and the other end of the second auxiliary connecting rod is fixedly connected with a fourth connecting rod. The invention provides a mechanism, mounted between an upper panel and a lower panel which are hinged together, for folding and unfolding the upper panel and the lower panel, and for overturning for 0-180 degrees between the upper panel and the lower panel.