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. 31, 2004
Filed:
Oct. 23, 2002
Hideki Akita, Tsuchiura, JP;
Ryohei Suzuki, Yasato-machi, JP;
Osamu Gokita, Chiyoda-machi, JP;
Tatsuo Takamure, Izumi, JP;
Hiromasa Muraki, Yamatotakada, JP;
Noriyuki Ando, Saitama, JP;
Other;
Abstract
A seal device ( ) for a bearing system ( ) is constituted by first and second seal rings ( ) and ( ). The first seal ring ( ) is constituted by a lip seal ( ) having a lip portion ( B) in sliding contact with an end face ( B) of a bush ( ) which is fitted on a joint shaft ( ), and a slide tube ( ) having a seal surface ( C) on an end face at an axial end away from the lip portion ( B) which is formed integrally with a tubular body portion ( A) of the lip seal ( ). The second seal ring ( ) is fixedly fitted in a boss ( ) radially on the outer side of the first seal ring ( ), and provided with a seal surface ( D) on the inner side of an annular inward collar portion ( C) for sliding contact with the seal surface ( C) of the slide tube ( ).