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:
Nov. 15, 2022
Filed:
Oct. 03, 2017
Applicant:
Tsubakimoto Chain Co., Osaka, JP;
Inventors:
Assignee:
TSUBAKIMOTO CHAIN CO., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16G 13/06 (2006.01); F16J 15/28 (2006.01);
U.S. Cl.
CPC ...
F16G 13/06 (2013.01); F16J 15/28 (2013.01);
Abstract
A seal chain includes two inner link plates opposed to and spaced apart from each other, a tubular bushing, opposite ends of the bushing being respectively joined to the two inner link plates, a pin rotationally inserted into the bushing, a tubular roller into which the bushing is inserted, the roller being rotationally supported by the bushing, and two outer link plates arranged to externally hold the two inner link plates in between, opposite ends of the pin being respectively joined to the two outer link plates. A recess into which an end of the roller is inserted is formed in an inner surface of each of the inner link plates.