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.

Date of Patent:
Nov. 24, 2015

Filed:

Mar. 06, 2015
Applicant:

Daido Metal Company Ltd., Nagoya, JP;

Inventors:

Yuichi Kumagai, Inuyama, JP;

Akiyoshi Imamura, Inuyama, JP;

Atsushi Koga, Inuyama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/04 (2006.01); F16C 33/14 (2006.01); F16C 33/12 (2006.01);
U.S. Cl.
CPC ...
F16C 33/14 (2013.01); F16C 33/046 (2013.01); F16C 33/125 (2013.01);
Abstract

Disclosed is a bearing device including: a bearing housing made of an Al alloy and having a bearing holding hole; a sliding bearing having a cylindrical shape and forced into the bearing holding hole; and a shaft supported with an inner circumferential surface of the sliding bearing, wherein in the sliding bearing to be forced into, a plurality of hardened convex portions projecting toward the second circumferential direction end surface being formed on the first circumferential direction end surface, a plurality of hardened concave portions corresponding to the plurality of hardened convex portions being formed on the second circumferential direction end surface, a first hardened area being formed on each of the hardened convex portions of the first circumferential direction end surface and its vicinity, and a second hardened area being formed on each of the hardened concave portions of the second circumferential direction end surface and its vicinity.


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