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:
May. 15, 2012
Filed:
May. 28, 2010
Applicant:
Cory Yuen, Martensville, CA;
Inventor:
Cory Yuen, Martensville, CA;
Assignee:
CNH Canada, Ltd., , CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B 63/00 (2006.01); A01B 63/114 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydraulic control apparatus for a foldable farm includes first hydraulic control system is used to control weight transfer to ground engaging tools mounted to a stationary and foldable wing frame sections. A second hydraulic system is used to fold and unfold the wing sections. A hydraulic control is provided that interfaces with both hydraulic systems to control sequencing of the functions provided by the first and second hydraulic systems. The first and second hydraulic systems have electronically controlled valves to control the flow of hydraulic fluid to various lifting, folding, and down pressure cylinders.