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. 17, 2006
Filed:
Apr. 08, 2003
Applicants:
Shigenori Hoya, Kitasaku-gun, JP;
Hideki Matsuoka, Kitasaku-gun, JP;
Inventors:
Shigenori Hoya, Kitasaku-gun, JP;
Hideki Matsuoka, Kitasaku-gun, JP;
Assignee:
Minebea Co., Ltd., Miyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
The churning type of grease of a viscosity of 15–20 mm/s and a worked penetration of 200˜230 is disposed at the rolling surface of the race portions and the channeling type of grease of 25˜35 mm/s and a worked penetration of 240˜270 is disposed at the retainer. By constituting as such, at rotation of the ball bearing, maintaining the lubricant oil film in the bearing the lubrication can be continued, and at non-rotation of the ball bearing the lubricant oil film is protected by the grease to prevent fretting.