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:
Dec. 01, 2015
Filed:
Jul. 12, 2013
Applicant:
Deere & Company, Moline, IL (US);
Inventors:
Aaron S. Ritter, Milan, IL (US);
Benjamin M Lovett, Colona, IL (US);
Bruce A Coers, Hillsdale, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01D 67/00 (2006.01); A01D 41/14 (2006.01);
U.S. Cl.
CPC ...
A01D 41/145 (2013.01); A01D 41/141 (2013.01); Y10T 137/87169 (2015.04); Y10T 137/87209 (2015.04);
Abstract
A ground force control circuit () for an articulated harvesting head is provided that comprises, an ECU (); and a first hydraulic control valve () driven by the ECU (), wherein the first hydraulic control valve () is coupled to at least one actuator () and is configured to maintain a constant pressure in the at least one actuator ().