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. 27, 2020
Filed:
Nov. 18, 2014
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Masayuki Ohishi, Neyagawa, JP;
Masaharu Amano, Hirakata, JP;
Assignee:
KOMATSU LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/32 (2006.01); B23K 31/02 (2006.01); B23K 9/04 (2006.01);
U.S. Cl.
CPC ...
B23K 35/327 (2013.01); B23K 9/04 (2013.01); B23K 31/02 (2013.01);
Abstract
A sprocket wheel, which is an example of the machine component, includes a base made of a first metal, and an overlay disposed in contact with the base to cover at least a part of a surface of the base. The overlay includes a matrix made of a second metal, and hard particles dispersed in the matrix. The overlay includes a protrusion that protrudes toward the base in a region including the interface between the overlay and the base.