Harvester thresher with means for distributing grain-chaff mixture
Patent 4917652 Issued on April 17, 1990. Estimated Expiration Date: 
February 17, 2008. 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.
February 17, 2008. 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 References 1448644 3329322 Chaff spreader for combine harvester Straw chopper and spreader assembly Patent #: 4735216 InventorsAssigneeApplicationNo. 157736 filed on 02/17/1988US Classes:460/111, STRAW CHAFF SPREADER OR HANDLING (DISCHARGE)239/682, Plural239/687Scatterer receives material axiallyExaminersPrimary: Weiss, John G.Attorney, Agent or FirmForeign Patent References
International ClassA01F 029/12Foreign Application Priority Data1987-02-16 DEAbstractA harvester thresher is provided with a device for distributing grain-chaff mixture coming from a grain separating device over the whole width of a cutting mechanism which is generally substantially wider than the harvester thresher itself. For this purpose the housing which surrounds discs provided with distributing strips peripherally and at their one end side is provided with an additional air supply opening, so that in the region of the distributing strips a suction aspirates the grain-chaff mixture into the distributing device. | |
