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. 04, 2025
Filed:
Jul. 15, 2022
The Japan Steel Works, Ltd., Tokyo, JP;
Naoaki Yoshimatsu, Tokyo, JP;
Ichiro Nakajima, Tokyo, JP;
THE JAPAN STEEL WORKS, LTD., Tokyo, JP;
Abstract
Link devices include a plurality of link mechanisms which are coupled so as to form an endless chain and can move along two rails. Each of the link mechanisms includes first and second rail holders, a plurality of guide rollers provided on the first rail holder and moving along one rail while rotating, and a plurality of guide rollers provided on the second rail holder and moving along the other rail while rotating. The plurality of link mechanisms include three-roller link mechanisms in each of which three guide rollers are provided on the first rail holder and two-roller link mechanisms in each of which two guide rollers are provided on the first rail holder, and the three-roller link mechanisms and the two-roller link mechanisms are arranged alternately.