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. 17, 2020
Filed:
Aug. 11, 2016
Hongxiu Electrical Co., Ltd., Wenzhou, Zhejiang, CN;
HONGXIU ELECTRICAL CO., LTD., Wenzhou, Zhejiang, CN;
Abstract
A linkage worm gear for an automatic opening/closing driving mechanism, wherein the linkage worm gear is integrally and concentrically provided with a worm gear driven portion, a gear driving portion and a cam linkage portion successively in the direction of the rotation central axis thereof; worm gear teeth fitted with a driving worm gear are provided on the whole peripheral wall of the worm gear driven portion; a reset groove, a recess, a transition portion and a boss are successively provided on the periphery of the cam linkage portion; and a plurality of driving teeth are provided on part of the peripheral wall of the gear driving portion.