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:
Aug. 25, 2026
Filed:
Dec. 26, 2023
Das Co., Ltd, Gyeongsangbuk-do, KR;
DAS CO., LTD, , KR;
Abstract
A multistage armrest structure includes a shaft installed on a seat and mounted at one end to rotate relative to an armrest, a housing attached to the armrest, through which the other end of the shaft passes, and supporting the shaft in the installed stat on the armrest, a pair of brackets fixed to the shaft, a ratchet rotatably mounted on a hinge member attached to the pair of brackets, a sector gear unit attached to the armrest to rotate together and engaging with the ratchet, and an elastic member disposed between the bracket and the ratchet, applying rotational directional elastic force for engagement between ratchet gear teeth formed on the ratchet and sector gear teeth formed on the sector gear unit and simultaneously preventing axial movement of the ratchet between the pair of brackets.