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:
May. 06, 2025
Filed:
Dec. 29, 2021
Nhk Spring Co., Ltd., Yokohama, JP;
Tsuyoshi Amemiya, Yokohama, JP;
Yuta Souda, Yokohama, JP;
NHK SPRING CO., LTD., Kanagawa, JP;
Abstract
A carrier device includes a coupling mechanism for connecting an automatic controlled vehicle to a carriage. The coupling mechanism includes a first roller assembly and a second roller assembly. The first roller assembly includes a first roller and a third roller, provided on a first common shaft. The second roller assembly includes a second roller and a fourth roller, provided on a second common shaft. The first roller and the second roller can enter a gap of the guide rail section in the automatic controlled vehicle. When the lock member moves from the first position to the second position, the lock member is sandwiched between the third roller and the fourth roller.