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:
Jan. 03, 1989
Filed:
Jul. 30, 1987
Applicant:
Inventors:
Katsumi Kotegawa, Osaka, JP;
Makoto Kanehira, Osaka, JP;
Assignee:
Tsubakimoto Chain Co., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16G / ;
U.S. Cl.
CPC ...
474209 ; 59-4 ; 384138 ; 474216 ;
Abstract
A roller chain having a thrust ring between a roller and a link plate for sustaining the transverse load, in which a thrust ring is made of bearing materials and has a sealing part in order to be put into the hole part formed on the end face of the roller to reserve the lubricant. The sealing part prevent the lubricant from effluxing and prevent the dust from intruding into the inside of the roller.