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. 28, 2025
Filed:
Jul. 06, 2021
Applicant:
Nsk Ltd., Tokyo, JP;
Inventors:
Kouhei Mori, Fujisawa, JP;
Mizuki Watanabe, Fujisawa, JP;
Isao Shintou, Fujisawa, JP;
Hiroshi Koyama, Fujisawa, JP;
Assignee:
NSK LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/64 (2006.01); B21J 5/06 (2006.01); B21K 1/04 (2006.01); F16C 19/06 (2006.01);
U.S. Cl.
CPC ...
F16C 33/64 (2013.01); B21J 5/06 (2013.01); B21K 1/04 (2013.01); F16C 19/06 (2013.01);
Abstract
A first piece () includes a first ring portion () and a second ring portion () which are arranged side by side in an axial direction and an inner diameter and an outer diameter of the first ring portion () are respectively larger than an inner diameter and an outer diameter of the second ring portion (). A second piece () is obtained by pressing the first piece () while the first piece () is disposed between a first set and a second set.