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:
Jan. 25, 2011
Filed:
Oct. 29, 2009
Applicant:
Joshua Dean Graeve, Peosta, IA (US);
Inventor:
Joshua Dean Graeve, Peosta, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A motor grader is equipped with a circle drive arrangement including a variable displacement motor capable of operating at a high speed for driving the circle at a high speed, as when the blade is elevated above the ground and the grader is turning around for reversing the operation of the blade, and capable of operating at a high torque for driving the circle to change the angle of operation of the blade relative to the grader frame when the blade is in ground contact.