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:
Nov. 18, 2025
Filed:
Jul. 26, 2022
Gree Electric Appliances, Inc. of Zhuhai, Guangdong, CN;
Aoxiang Zhang, Guangdong, CN;
Shanshan Huang, Guangdong, CN;
Zhe Sun, Guangdong, CN;
Jinchao Yan, Guangdong, CN;
Gree Electric Appliances, Inc. of Zhuhai, Guangdong, CN;
Abstract
An automatic door opening and closing mechanism and a refrigerator. The automatic door opening and closing mechanism includes a power assembly, configured to provide a driving force; a driving gear, being drivingly connected to the power assembly and provided with a first meshing tooth; a driven gear, being movably arranged relative to the driving gear, and the driven gear being provided with a second meshing tooth matching the first meshing tooth; and an electromagnetic clutch assembly, being installed on the driving gear and the driven gear, and the electromagnetic clutch assembly being configured to drive the driving gear to mesh with or separate from the driven gear.