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:
Jul. 24, 2018
Filed:
Apr. 04, 2016
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Ethan M. Tevis, Bloomington, IL (US);
Karl Kirsch, Chillicothe, IL (US);
Michael C. Gentle, Maroa, IL (US);
Assignee:
Caterpillar Inc., Deerfield, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/76 (2006.01); E02F 9/26 (2006.01); E02F 3/84 (2006.01);
U.S. Cl.
CPC ...
E02F 9/26 (2013.01); E02F 3/7636 (2013.01); E02F 3/844 (2013.01);
Abstract
In a motor grader, a total drawbar position may be determined based on signals from various sensors on a drawbar-circle-moldboard (DCM) assembly. The sensors can include rotational sensors for one or both lift arm angles, and one or both yoke primary angles in combination with sensors detecting lengths of the lift cylinders. The sensor information may be used to calculate roll, pitch and yaw angles of the drawbar relative to a frame of the motor grader.