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:
May. 14, 2019
Filed:
May. 05, 2017
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Chandrasen Rameshlal Rathod, Peoria, IL (US);
Tao Lin, Dunlap, IL (US);
Assignee:
Caterpillar Inc., Deerfield, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 8/22 (2006.01); C21D 9/08 (2006.01); C23C 8/80 (2006.01); C21D 1/18 (2006.01); B62D 55/20 (2006.01); C21D 1/42 (2006.01); C21D 1/58 (2006.01); C21D 1/60 (2006.01);
U.S. Cl.
CPC ...
C21D 9/085 (2013.01); B62D 55/202 (2013.01); C21D 1/18 (2013.01); C23C 8/22 (2013.01); C23C 8/80 (2013.01); C21D 1/42 (2013.01); C21D 1/58 (2013.01); C21D 1/60 (2013.01);
Abstract
A method for production of a track bushing for an undercarriage assembly is provided. The method includes carburizing a base material of the track bushing in less than 100 minutes and to a depth of less than 1000 microns. The base material is medium carbon steel. The method includes hardening the base material. The method includes tempering the base material.