Variable straw and chaff distribution arrangement
Patent 6685558 Issued on February 3, 2004. Estimated Expiration Date: 
June 27, 2022. 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.
June 27, 2022. 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 ReferencesStraw and chaff chopper and spreader Harvester thresher Chaff distributor for a combine harvester Patent #: 6500064 Inventors
AssigneeApplicationNo. 185594 filed on 06/27/2002US Classes:460/111, STRAW CHAFF SPREADER OR HANDLING (DISCHARGE)460/112With chopperExaminersPrimary: Pezzuto, Robert E.Assistant: Petravick, Meredith Attorney, Agent or FirmForeign Patent References
International ClassA01F 012/40Foreign Application Priority Data2001-06-27 DEAbstractAn agricultural harvesting machine has straw walkers or the like, an air sieve device, a straw chopping device, and a variable straw and chaff distribution arrangement. The arrangement includes an articulated lever combination; a servo element associated with the articulated lever combination; preferably two rotary distribution blowers each having a material inlet opening and a rotor circumference and being connected to the articulated lever combination. The rotary blower is movable between two different plane-parallel positions by the articulated lever combination and servo element. A guide is provided for supplying chaff radially to the distribution blower. | |
