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:
Apr. 13, 2021

Filed:

Dec. 07, 2018
Applicant:

Deere & Company, Moline, IL (US);

Inventor:

John Mahrenholz, Dubuque, IA (US);

Assignee:

Deere & Company, Moline, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 3/84 (2006.01); E02F 7/02 (2006.01); E02F 3/64 (2006.01); E02F 9/26 (2006.01); E02F 9/22 (2006.01);
U.S. Cl.
CPC ...
E02F 3/847 (2013.01); E02F 3/6427 (2013.01); E02F 7/026 (2013.01); E02F 9/2203 (2013.01); E02F 9/264 (2013.01);
Abstract

A work vehicle is disclosed. The work vehicle comprises an attachment comprising a cutting edge. The attachment is configured to move from an operating position to a dump position. An operator input device is configured to receive a grade command. A grade control system is communicatively coupled to an operator input device and configured to receive the grade command and define a cutting plane. A controller is configured to receive a boom position signal, an attachment position signal, and the grade command. The controller is configured to maintain the cutting edge on the cutting plane in both the operating position and the dump position.


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