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. 04, 1982
Filed:
Nov. 28, 1980
Applicant:
Inventor:
William C Swanson, Clarendon Hills, IL (US);
Assignee:
International Harvester Company, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A01D / ;
U.S. Cl.
CPC ...
56 119 ; 56 102 ; 56DI / ; 56DI / ;
Abstract
A cotton harvester is provided with a hydraulic system incorporating a multiple segment rotary flow divider interposed between a source of fluid pressure and a plurality of header unit lift cylinders. A variable orifice valve assembly is arranged parallel to the header unit lift cylinders and is responsive to undulations in the ground plane for raising and lowering individual header units.