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:
Jun. 06, 2023
Filed:
Dec. 07, 2018
Qingdao Haier Co., Ltd., Qingdao, CN;
QINGDAO HAIER CO., LTD., Qingdao, CN;
Abstract
A vacuum assembly for a refrigerator includes upper and lower sealing bodies, which are buckled to define a sealed cavity. A vacuum pump is provided in the cavity. A plurality of sheet members are arranged between the vacuum pump and a sealing box. A plurality of abutting parts are provided on the upper sealing body and abutting against tops of the sheet members. A step is provided at an end of the abutting part coming into contact with the sheet member. A top surface of the step abuts against the sheet member, and a side surface of the step abuts against the sheet member. A plurality of ribs are provided on the lower sealing body and spaced apart from the side walls to define limiting grooves. A plurality of guide grooves are provided on the lower sealing body and extend in a vertical direction to guide the sheet members.