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:
Aug. 03, 2010
Filed:
Dec. 07, 2005
Setsuo Nagai, Osaka, JP;
Kazuki Higashida, Osaka, JP;
Takeshi Tsuda, Osaka, JP;
JTEKT Corporation, Osaka, JP;
Abstract
An inventive ball bearing retainer () is entirely composed of a resin composition, and has pocket surfaces () for retaining balls () and projections () provided on the pocket surfaces () and containing a solid lubricant (CB). A ball bearing () incorporates the ball bearing retainer (). By the effect of the solid lubricant (CB), the projections () are less liable to be worn out in a short period particularly when the ball bearing () is used in a higher temperature environment. The projections () define clearances between the balls () and the pocket surfaces (), making it possible to maintain the effect of preventing noise, increase in the torque of the ball bearing (), reduction of the service life of a lubricant and the like for a longer period of time.