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. 21, 2023
Filed:
Feb. 25, 2019
Applicant:
Nsk Ltd., Tokyo, JP;
Inventors:
Tetsurou Maruno, Fujisawa, JP;
Satoshi Sugai, Hanyu, JP;
Hiroaki Yamazaki, Tokyo, JP;
Nobuyuki Hagiwara, Fujisawa, JP;
Assignee:
NSK LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21K 1/40 (2006.01); B21K 25/00 (2006.01); B23P 11/00 (2006.01); B21J 9/02 (2006.01); B21J 9/06 (2006.01); F16C 19/18 (2006.01); B60B 27/00 (2006.01); B21D 53/26 (2006.01); B23P 17/00 (2006.01); B21K 1/05 (2006.01); B21D 53/10 (2006.01); F16C 43/04 (2006.01);
U.S. Cl.
CPC ...
F16C 19/186 (2013.01); B21D 53/10 (2013.01); B21D 53/26 (2013.01); B21K 1/05 (2013.01); B21K 1/40 (2013.01); B21K 25/00 (2013.01); B23P 11/005 (2013.01); B23P 17/00 (2013.01); B60B 27/0084 (2013.01); B21J 9/025 (2013.01); B21J 9/06 (2013.01); B60B 2380/12 (2013.01); F16C 43/04 (2013.01); F16C 2226/52 (2013.01); F16C 2326/02 (2013.01);
Abstract
Provided are an oil receiver () having an annular recess portion () which faces an entire circumference of an outer circumferential edge of a concave spherical portion (), and a guide member () which guides lubricating oil, which has flowed out from a spherical engagement portion between a convex spherical portion () and a concave spherical portion (), toward an annular recess portion ().