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:
Sep. 20, 2022
Filed:
Dec. 27, 2017
Qingdao Haier Joint Stock Co., Ltd., Qingdao, CN;
QINGDAO HAIER JOINT STOCK CO., LTD., Qingdao, CN;
Abstract
The present invention discloses an automatic door opening device and a refrigerator having the same. The automatic door opening device comprises a base, a driving source member, two mechanical clutch gear sets and two pushing members, wherein the mechanical clutch gear set comprises a mechanical master gear, a mechanical slave gear, and a mechanical clutch member; in an initial state, the mechanical master gear is partially meshed with the mechanical clutch member which is separated from the mechanical slave gear; in a door body opening process, the mechanical master gear drives the mechanical slave gear to be in a transmission state; and after the door body is opened, the mechanical clutch gear set is recovered to an initial connection state.