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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.:

US 12781560 B1

PDFFull Text
Date of Patent:
Nov. 03, 2026

Filed:

Jun. 28, 2022

Door opening and closing device and electrical apparatus

Applicants:

Hefei Midea Refrigerator Co., Ltd., Hefei, CN;

Hefei Hualing Co., Ltd., Hefei, CN;

Midea Group Co., Ltd., Foshan, CN;

Inventors:

Bo Peng, Hefei, CN;

Zhuohua Jiang, Hefei, CN;

Yerui Feng, Hefei, CN;

Shuo Yang, Hefei, CN;

Bing Shi, Hefei, CN;

Jinguo Yuan, Hefei, CN;

Yafei Zhu, Hefei, CN;

Xiuliang Fu, Hefei, CN;

Assignees:

HEFEI MIDEA REFRIGERATOR CO., LTD., Hefei, CN;

HEFEI HUALING CO., LTD., Hefei, CN;

MIDEA GROUP CO., LTD., Foshan, CN;

Attorney:

K&L Gates LLP

Primary Examiner:

James O Hansen

Int. Cl.
CPC ...
E05F 15/614 (2015.01); E05F 15/63 (2015.01); F25D 23/02 (2006.01);
U.S. Cl.
CPC ...
E05F 15/63 (2015.01); E05Y 2201/216 (2013.01); E05Y 2201/264 (2013.01); E05Y 2201/712 (2013.01); E05Y 2201/716 (2013.01); E05Y 2900/31 (2013.01); F25D 23/028 (2013.01);
Abstract

The disclosure discloses a door opening and closing device and an electrical apparatus, and belongs to the field of electrical apparatus. The door opening and closing device includes: a door ejection mechanism and a door rotation mechanism which are driven by a same drive mechanism. The drive mechanism includes: a driver, a first transmission assembly, a second transmission assembly connected to the driver and simultaneously separably connected to the first transmission assembly, and a clutch-ejection-push assembly, including an ejection-push sleeve which is sleeved on the second transmission assembly and a push rod for pushing the ejection-push sleeve, and the ejection-push sleeve is ejected and pushed by the push rod to push the second transmission assembly to separate from or connect to the first transmission assembly; and a linkage gear connected to the first transmission assembly and simultaneously connected to the door ejection mechanism and the door rotation mechanism.

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Quick Actions:

Peng, Bo. (2026). Door opening and closing device and electrical apparatus (U.S. Patent No. 12781560). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12781560

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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