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:
May. 11, 2004
Filed:
Aug. 05, 2002
Applicant:
Inventor:
Junichi Nakamura, Ozu, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 3/206 ; F16N 1/110 ; B65B 3/100 ;
U.S. Cl.
CPC ...
F16C 3/206 ; F16N 1/110 ; B65B 3/100 ;
Abstract
To provide a manufacturing method of a dynamic pressure bearing device and a dynamic pressure bearing device to inject a proper amount of lubricating oil to a bearing unit by using a simple process without leaving air bubbles in the bearing unit. The bearing unit is exposed in an atmosphere of reduced pressure such as in a vacuum chamber or the like to evacuate air in a gap between a shaft body and a bearing. The proper amount of lubricating oil is dropped to an open end of the gap of the bearing unit by using a dispenser. The bearing unit is released to an atmospheric air to fill the lubricating oil into a gap of the bearing unit.