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:
Nov. 30, 2021
Filed:
Aug. 27, 2018
Applicant:
Caterpillar Inc., Deerfield, IL (US);
Inventor:
Kevin Steiner, Tremont, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 55/21 (2006.01); B62D 55/06 (2006.01); C21D 1/18 (2006.01); C21D 9/00 (2006.01);
U.S. Cl.
CPC ...
B62D 55/21 (2013.01); B62D 55/06 (2013.01); C21D 1/18 (2013.01); C21D 9/0087 (2013.01); C21D 2221/00 (2013.01);
Abstract
A track link includes an elongate link body formed of a link body material that varies in hardness to form a first lower hardness zone, a second lower hardness zone, and a higher hardness zone. The higher hardness zone includes an upper rail surface of the elongate link body and extends substantially throughout the elongate link body outside of the first and second lower hardness zones, which surround the track pin bores. Related methodology for making a track link is also disclosed.