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:
Sep. 21, 2021

Filed:

Feb. 22, 2019
Applicant:

Deere & Company, Moline, IL (US);

Inventors:

Michael G. Kean, Dubuque, IA (US);

Michael D. Peat, Dubuque, IA (US);

David A. Veasy, Dubuque, IA (US);

Assignee:

DEERE & COMPANY, Moline, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/84 (2006.01); E02F 3/76 (2006.01);
U.S. Cl.
CPC ...
E02F 3/845 (2013.01); E02F 3/7654 (2013.01); E02F 3/847 (2013.01);
Abstract

Graders and methods of operation thereof. A grader includes a chassis, a saddle linkage, and a motion measurement system. The saddle linkage is supported for movement relative to the chassis and includes a mount movably coupled to the chassis, first and second arms each movably coupled to the mount, and a crossbar movably coupled to each of the first and second arms. The mount has a lock pin aperture, each of the first and second arms has a locking hole, and the crossbar has a plurality of locking holes. The lock pin aperture may be aligned with one locking hole of the first arm, the second arm, or the crossbar to position the saddle linkage in use of the grader. The motion measurement system is coupled to the saddle linkage and configured to measure movement or position of one or more components of the grader in use thereof.


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