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:
Jun. 18, 2024
Filed:
Aug. 06, 2020
Applicant:
Tsubakimoto Chain Co., Osaka, JP;
Inventors:
Osamu Yoshida, Osaka, JP;
Yudai Takagi, Osaka, JP;
Assignee:
TSUBAKIMOTO CHAIN CO., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 55/17 (2006.01); B21K 1/30 (2006.01);
U.S. Cl.
CPC ...
F16H 55/17 (2013.01); B21K 1/30 (2013.01); F16H 2055/173 (2013.01);
Abstract
To provide a rotating member and a forming method thereof that allow formation of protrusions biting into an opposite surface to achieve high slip torque with a simple configuration. The rotating member includes a boss part and an anti-slip surface at least on one of both axial end faces of the boss part. The anti-slip surface has a plurality of corrugated rib parts, which includes a main groove and at least one auxiliary groove extending parallel to the main groove, with a ridge protruding higher than the anti-slip surface between the main groove and the auxiliary groove.