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. 17, 2009
Filed:
Oct. 29, 2004
Naoaki Tsuji, Kuwana, JP;
Hideji Ito, Kuwana, JP;
Naoaki Tsuji, Kuwana, JP;
Hideji Ito, Kuwana, JP;
NTN Corporation, Osaka, JP;
Abstract
To provide an improved rolling bearing assembly having an improved resistance to electric corrosion, which can provide a proper performance and can be assembled at a reduced cost, the rolling bearing assembly includes an inner race (), an outer race () and a circumferential of rolling elements () rollingly interposed between the inner and outer races () and (). An electrically insulating layer () is formed on a surface of one of the inner and outer races () and (), which is held in contact with a housing or a shaft when the rolling bearing assembly is mounted. This electrically insulating layer () is made of a gray alumina containing AlOmixed with TiOin a quantity chosen to be equal to or smaller than 1 wt % relative to the total weight of the gray alumina.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile