Straw and chaff spreader assembly
Patent 5976011 Issued on November 2, 1999. Estimated Expiration Date: 
December 31, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 31, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesChaff spreading apparatus Straw chopper and spreader assembly Harvester thresher with means for distributing grain-chaff mixture Straw spreader for a combine harvester and method of spreading Patent #: 5021030 InventorApplicationNo. 001447 filed on 12/31/1997US Classes:460/111, STRAW CHAFF SPREADER OR HANDLING (DISCHARGE)460/8, HAVING MEANS TO DISTRIBUTE OR LEVEL CROP MATERIAL460/901MATERIAL DISTRIBUTORExaminersPrimary: Will, Thomas B.Assistant: Kovacs, Arpad F Attorney, Agent or FirmInternational ClassA01F 012/40AbstractA straw and chaff spreading assembly consisting of a left spreader plate having a plurality of spreader fins fixedly attached thereto, a right spreader plate, having a plurality of spreader fins fixedly attached thereto, left spreader plate rotating means capable of rotatably mounting and upwardly angularly accelerating the left spreader plate, right spreader plate rotating means capable of rotatably mounting and downwardly angularly accelerating the right spreader plate; and, an oblongated straw and chaff deflecting shield fixedly mounted upon the rearward end of the harvester combine and positioned forward of the axes of rotation of the left and right spreader plates. | |
