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:
Jan. 09, 1990
Filed:
Oct. 31, 1988
Applicant:
Inventors:
Assignee:
Matsushita Electrical Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384124 ; 384123 ; 384112 ; 384135 ;
Abstract
A hydrodynamic bearing device which includes a shaft, a ring-shaped member and a thrust bearing member, with a lubricating material being held in a space defined in the thrust bearing member and the inner peripheral face of the ring-shaped member. The ring-shaped member is formed, in its inner peripheral face, with a taper for feeding the lubricating material into the thrust bearing member based on centrifugal force, by which the lubricating material is prevented from flowing out.