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. 15, 2000
Filed:
Jun. 26, 1997
Applicant:
Inventors:
Hideyuki Furuyama, Fukushima-ken, JP;
Kaoru Anzue, Fukushima-ken, JP;
Kouichi Mizunoya, Fukushima-ken, JP;
Satoshi Yamanaka, Fukushima-ken, JP;
Assignee:
Nok Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277562 ; 277559 ;
Abstract
A sealing device including an annular support structure, a first annular sealing lip made of rubber and supported by the annular support structure, and a second annular sealing lip adjacent to the first annular sealing lip, the second annular sealing lip being made of resin and supported by the annular support structure. The first sealing lip made of rubber is located on the side to be sealed of the second sealing lip made of resin, and grease is held in a space formed by the first and second sealing lips and a shaft.