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:
Oct. 08, 2019
Filed:
Jun. 03, 2016
Ntn Corporation, Osaka, JP;
Masato Shimoda, Mie, JP;
Yuusuke Doi, Mie, JP;
NTN CORPORATION, Osaka, JP;
Abstract
To provide a retainer for a thrust bearing, which is to be assembled and decomposed regularly for being washed, having superior ball retaining performance itself and being attached and detached easily, and a thrust bearing having the retainer. A retainer for a thrust bearing, which retains a plurality balls intervened between a pair of raceway rings in a thrust bearing, is formed of a ring shaped plate memberformed of an injection molded body of a resin composition containing fluororesin, which is capable of injection molding, as a base resin. The ring shaped plate memberincludes a plurality of ball pocketsin a circumferential direction of a ring shape. Each of the ball pocketsincludes a claw portion divided into two portionsor more to retain a ballin a detachable manner. The claw portionis defined by a slitformed on at least one surfaceamong facing surfaces of the ring shaped plate memberfacing raceway rings, the slitbeing formed around an openingof the ball pocket