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. 30, 2004
Filed:
Feb. 23, 2001
Applicant:
Inventors:
Katsuhiko Tanaka, Yamato, JP;
Ikunori Sakatani, Fujisawa, JP;
Yukio Higuchi, Yokohama, JP;
Takenobu Otsubo, Fujisawa, JP;
Masayuki Ochiai, Fujisawa, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 3/206 ;
U.S. Cl.
CPC ...
F16C 3/206 ;
Abstract
A fluid bearing device achieves superior in wear start-stop resistance and in manufacturing ability. The fluid bearing device includes a shaft having a flange portion, a sleeve opposing to the shaft across a fluid bearing clearance of a radial fluid bearing, a counterpart member opposing to at least one of plane of the flange portion across a fluid bearing clearance of a thrust bearing. The flange portion and the sleeve portion being formed of copper alloy of mutually difference composition.