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:
Oct. 04, 2005
Filed:
Mar. 27, 2003
Applicants:
Noriyuki Yoshimura, Nagano, JP;
Katsutoshi Nii, Hitachi, JP;
Inventors:
Noriyuki Yoshimura, Nagano, JP;
Katsutoshi Nii, Hitachi, JP;
Assignees:
Minebea Co., Ltd., Nagano, JP;
Hitachi Powdered Metals Co., Ltd., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C033/12 ;
U.S. Cl.
CPC ...
Abstract
A sintered bearing is produced by a production method comprising: compacting a metallic raw material powder into a bearing green compact; sintering the green compact into a sintered compact; forming a resin coatingover the entire surface of the sintered compact; removing the resin coatingon a bearing surfaceof the sintered compact; and impregnating a lubricating fluid L through the bearing surfacefrom which the resin coatingis removed.