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:
Apr. 30, 2002
Filed:
Apr. 21, 2000
Applicant:
Inventors:
Masato Gomyo, Nagano, JP;
Kazushi Miura, Nagano, JP;
Ryuhei Matsuda, Nagano, JP;
Tokio Tago, Nagano, JP;
Takehiko Yazawa, Nagano, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 5/310 ; F16C 3/206 ;
U.S. Cl.
CPC ...
B21D 5/310 ; F16C 3/206 ;
Abstract
In a dynamic pressure bearing device which has a shaft ( ), a bearing ( ) rotatable relative to the shaft ( ), and capillary seal portions ( ) for holding a lubricating fluid ( ) in a bearing clearance and in which the shaft ( ) and the bearing ( ) are relatively rotatably supported by dynamic pressure of the lubricating fluid ( ) in the bearing clearance is scattered by centrifugal force so that the lubricating fluid ( ) is kept in a constant quantity by the capillary seal portions ( ).