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:
Jun. 24, 1986
Filed:
May. 21, 1984
Applicant:
Inventor:
Hiromasa Fukuyama, Ebina, JP;
Assignee:
Nippon Seiko Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384103 ;
Abstract
A pair of relief portions have been provided in a metal foil bearing so as to prevent the metal foil from contacting with the surface of the rotary shaft of the bearing during its high speed rotation. A relief portion is provided either at (1) both the axial ends of the metal foil, (2) on the outer surface of the rotary shaft at the position corresponding to the axial end of the metal foil, or (3) on the outer surface of the rotary shaft at a position further in than the portion corresponding to the axial end of the metal foil and axially extending therefrom up to the axial end of the rotary shaft.