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. 07, 2008
Filed:
Feb. 17, 2004
Kazuhisa Kitamura, Nara, JP;
Tomoya Hattori, Osaka, JP;
Kazunori Hayashida, Osaka, JP;
Kenichi Kouduki, Osaka, JP;
Kazuyoshi Yamakawa, Hyogo, JP;
Kazuhisa Kitamura, Nara, JP;
Tomoya Hattori, Osaka, JP;
Kazunori Hayashida, Osaka, JP;
Kenichi Kouduki, Osaka, JP;
Kazuyoshi Yamakawa, Hyogo, JP;
Koyo Seiko Co., Ltd., Osaka-shi, JP;
Abstract
A rolling bearing includes: outer and inner rings, at lease one of which is made of a ceramics; a plurality of rolling elements interposed between the outer and inner rings; a seal groove, a sectional shape in an axial direction of which is formed by substantially a partial circular arc, and which is formed on a shoulder portion of a raceway of one of the outer and inner rings; and a resin seal member including a peripheral edge portion fitted to the seal groove.