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:
Dec. 29, 2015
Filed:
Mar. 04, 2014
Applicant:
Daido Metal Company Ltd., Nagoya, JP;
Inventor:
Kazuaki Toda, Inuyama, JP;
Assignee:
Daido Metal Company Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 17/04 (2006.01); C22C 38/16 (2006.01); F16C 33/12 (2006.01);
U.S. Cl.
CPC ...
F16C 17/04 (2013.01); C22C 38/16 (2013.01); F16C 33/121 (2013.01); F16C 33/122 (2013.01);
Abstract
A thrust bearing including a back metal layer and a sliding layer joined to a front face of the back metal layer. The thrust bearing having a thickness. The back metal layer includes an intermediate sub-layer and a buffer sub-layer disposed on a back face of the back metal layer. The sliding layer is joined to the intermediate sub-layer. Both of the sub-layers include iron or an iron alloy, and the buffer sub-layer has a thickness of 2 to 20% relative to the thickness of the thrust bearing, and a porosity ratio of 10 to 50%.