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:
Feb. 02, 2010
Filed:
Dec. 21, 2005
Applicants:
Youichi Nishimoto, Ehime-ken, JP;
Naoshi Kainoh, Ozu, JP;
Tsuyoshi Matsumoto, Ozu, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydrodynamic bearing devicecomprises a shaft, a second thrust flange, a sleeve, a radial bearing, and a thrust bearing. The second thrust flangeis fixed near one end of the shaft. A third cylindrical protrusionthat protrudes farther in the axial direction than the second thrust flange is fixed to or integrally machined at one end of the sleeve. A notchthat communicates between a radial inner space and a radial outer space separated by the third cylindrical protrusionis provided to the third cylindrical protrusion