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:
Jun. 07, 2005
Filed:
Apr. 12, 2004
Applicants:
Douglas R. Otto, New Holland, PA (US);
Kenneth W. Mclean, New Holland, PA (US);
Inventors:
Douglas R. Otto, New Holland, PA (US);
Kenneth W. McLean, New Holland, PA (US);
Assignee:
CNH America LLC, New Holland, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A01D067/00 ;
U.S. Cl.
CPC ...
Abstract
A hydraulic lift/flotation system for the header of a crop harvesting machine wherein each side of the header is supported by a single cylinder, which performs both the flotation and lift functions. To accommodate unbalanced headers (center of gravity not centered between the lift arms), hydraulic oil is sent to the return side of the lift cylinder on the lighter side of the header, thus resulting in even raising, lowering and float.