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. 29, 2019
Filed:
Nov. 06, 2015
Ntn Corporation, Osaka, JP;
Kazuyuki Yamamoto, Shizuoka, JP;
Hisataka Hasegawa, Shizuoka, JP;
NTN CORPORATION, Osaka, JP;
Abstract
A thrust roller bearing cage () includes a thrust roller bearing () and a plurality of pockets () accommodating rollers (). The thrust roller bearing cage () includes: a radially outer area bent portion () formed by bending an area located radially outside the pockets () inward in a radial direction; and projecting portions () that are formed in a tip end of the radially outer area bent portion () at positions aligned with the pockets () and project inward in the radial direction beyond radially outer edges of the pockets () so as to contact end faces () of the rollers () accommodated in the pockets (). The projecting portions () have a width that is ⅓ or more and ⅔ or less of the width of the pockets ().