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:
Jul. 16, 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 () of the present invention is included in a thrust roller bearing () and includes a plurality of pockets () accommodating rollers (). The thrust roller bearing cage () includes: a first cylindrical portion () extending in a direction of a rotation axis (); a first disc portion () continuous with the first cylindrical portion () and extending in a radially outward direction; and a second cylindrical portion () continuous with the first disc portion () and extending in the direction of the rotation axis (). The first cylindrical portion (), the first disc portion (), and the second cylindrical portion () are formed in an area located radially inside the pockets (). The height (H) of the first cylindrical portion () in the direction of the rotation axis is smaller than the height (H) of the second cylindrical portion () in the direction of the rotation axis.