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.

Date of Patent:
Nov. 06, 2018

Filed:

Jan. 04, 2016
Applicant:

Caterpillar Global Mining America Llc, Houston, TX (US);

Inventors:

James Robert Szalko, Lacon, IL (US);

Patrick W. Sullivan, Orland Park, IL (US);

Rex Glover, Deer Creek, IL (US);

Justin B. Eaton, Plainfield, IL (US);

Paul A. Dvorak, Peoria, IL (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 53/02 (2006.01); B62D 12/00 (2006.01); E21B 7/02 (2006.01); B62D 5/06 (2006.01); B62D 21/18 (2006.01); E02F 9/08 (2006.01); B60S 9/10 (2006.01);
U.S. Cl.
CPC ...
B62D 53/02 (2013.01); B62D 5/06 (2013.01); B62D 12/00 (2013.01); B62D 21/186 (2013.01); E02F 9/085 (2013.01); E21B 7/024 (2013.01); E21B 7/025 (2013.01); B60S 9/10 (2013.01);
Abstract

A machine includes a front section having front wheels, a rear section having rear wheels, and a pivot that couples the front section to the rear section as well as a hydraulic steering circuit that moves the front section relative to the rear section about the pivot. The machine also includes a stabilizer and further includes a directional control valve that selectively depressurizes the hydraulic steering circuit according to a state of the stabilizer.


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