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:
Apr. 30, 2019
Filed:
Oct. 13, 2016
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Robert Bierman, Peoria, IL (US);
Robert Meyer, Metamora, IL (US);
Zachary S. Birky, Washington, IL (US);
Assignee:
Caterpillar Inc., Deerfield, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 8/26 (2006.01); B62D 55/21 (2006.01); C22C 38/38 (2006.01); C22C 38/34 (2006.01); C22C 38/28 (2006.01); C22C 38/24 (2006.01); C22C 38/22 (2006.01); C22C 38/06 (2006.01); C22C 38/04 (2006.01); C22C 38/02 (2006.01); C22C 38/00 (2006.01); C21D 9/00 (2006.01); C21D 8/00 (2006.01); C21D 1/18 (2006.01); C21D 1/58 (2006.01); C21D 1/60 (2006.01); C21D 8/02 (2006.01); C21D 8/10 (2006.01); C21D 9/08 (2006.01); C21D 9/46 (2006.01); B62D 55/06 (2006.01); E02F 3/76 (2006.01);
U.S. Cl.
CPC ...
B62D 55/21 (2013.01); C21D 1/18 (2013.01); C21D 1/58 (2013.01); C21D 1/60 (2013.01); C21D 8/005 (2013.01); C21D 8/0205 (2013.01); C21D 8/0221 (2013.01); C21D 8/0247 (2013.01); C21D 8/0257 (2013.01); C21D 8/105 (2013.01); C21D 9/0068 (2013.01); C21D 9/0081 (2013.01); C21D 9/08 (2013.01); C21D 9/46 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/22 (2013.01); C22C 38/24 (2013.01); C22C 38/28 (2013.01); C22C 38/34 (2013.01); C22C 38/38 (2013.01); C23C 8/26 (2013.01); B62D 55/06 (2013.01); E02F 3/7604 (2013.01);
Abstract
A track pin for a track chain assembly includes a body made from a steel alloy. The steel alloy has a composition comprising iron, a nitride-forming element, and silicon. The composition of the steel alloy comprises at least 0.5 percent by weight of silicon. The body includes an external nitrided surface.