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:
Sep. 04, 2007
Filed:
Oct. 15, 2004
Keisuke Yokoyama, Kanagawa, JP;
Takahiko Uchiyama, Kanagawa, JP;
Toshikazu Yabe, Kanagawa, JP;
Toshimi Takajo, Kanagawa, JP;
Keisuke Yokoyama, Kanagawa, JP;
Takahiko Uchiyama, Kanagawa, JP;
Toshikazu Yabe, Kanagawa, JP;
Toshimi Takajo, Kanagawa, JP;
NSK, Ltd., Tokyo, JP;
Abstract
A hub unit including a hub and a flange integrally formed with the hub, and a seal including a core metal and an elastic body integrally molded with the core metal. The elastic body includes one or more lips in sliding contact with one or both of the hub and the flange. The elastic body includes a molded rubber, wherein the molded rubber contains, as a raw rubber, acrylonitrile/butadiene rubber having an acrylonitrile monomer content of from 26 to 36% by weight. In a first embodiment, the hub unit includes a hub adapted for receiving a shaft and a flange integrally formed with the hub, and the seal is attached to an outer circumference of the hub unit. In a second embodiment, the hub unit includes an inner ring having a raceway surface for receiving rolling elements and an outer ring. The seal seals the space between the inner ring and the outer ring. Furthermore, the seal includes a radial lip in sliding contact with an outer circumferential surface of the hub.