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:
Feb. 10, 2026
Filed:
Mar. 27, 2023
Lg Energy Solution, Ltd., Seoul, KR;
Jung Soo Lee, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
The present invention relates to a door descent preventing apparatus, and more particularly a door descent preventing apparatus mounted to a shaft installed at an inlet or an outlet of a chamber in a vertical direction in order to prevent descent of a door configured to be moved upwards and downwards along the shaft, the door descent preventing apparatus including a plurality of support bars, an upper fixing unit configured to connect upper ends of the support bars to each other, the upper fixing unit including a first upper fixing piece having a semicircular arc shape and a second upper fixing piece having a semicircular arc shape, and a lower fixing unit configured to connect lower ends of the support bars to each other, the lower fixing unit including a first lower fixing piece having a semicircular arc shape and a second lower fixing piece having a semicircular arc shape.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile