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. 06, 2004
Filed:
Oct. 04, 2002
Applicant:
Inventors:
Akihiro Mochizuki, Shizuoka, JP;
Kazuhiro Matsuo, Fujieda, JP;
Assignee:
Victor Company of Japan, Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 1/702 ;
U.S. Cl.
CPC ...
F16C 1/702 ;
Abstract
A shaft bearing structure of spindle motor, which holds a rotor rotationally by a shaft bearing and a bearing holder fixed on a motor base of a stator, the rotor is fixed with a spindle shaft and confronted with the stator, an oil cycle material retains and re-flows lubricating oil circulating around the spindle shaft in the shaft bearing, wherein the oil cycle material is placed in the gap between the inner circumference of the bearing holder and the periphery of the spindle shaft, and placed at least contiguous to one edge of the shaft bearing in axial direction of the spindle shaft.