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:
Mar. 31, 2026
Filed:
Jan. 17, 2022
Applicant:
Nsk Ltd., Tokyo, JP;
Inventors:
Masahito Matsui, Kanagawa, JP;
Takefumi Kichikawa, Kanagawa, JP;
Assignee:
NSK LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 33/41 (2006.01); F16C 19/06 (2006.01);
U.S. Cl.
CPC ...
F16C 33/416 (2013.01); F16C 19/06 (2013.01); F16C 33/418 (2013.01);
Abstract
An outer diameter of a claw portion is smaller than an outer diameter of a main portion, a radial width of the claw portion is ½ or less of a radial width of the main portion, an axial width from an upper surface of a connection portion of a pillar portion to a bottom surface of the main portion is ½ or less of an axial width of a crown type cage for a ball bearing, and in the main portion, an opening portion is provided between adjacent pockets.