Rotary chopper for a harvester combine
March 6, 2018. 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 3670739 Crop residue deflector means Chaff spreading attachment for harvesters Self-propelled harvester for sugar cane Straw chopper and spreader assembly Grass collector blower Harvester-thresher Chaff blower for combines Straw chopper and spreader assembly Chaff spreader InventorAssigneeApplicationNo. 029798 filed on 03/06/1998US Classes:460/111, STRAW CHAFF SPREADER OR HANDLING (DISCHARGE)460/49, Slitter460/112With chopperExaminersPrimary: Pezzuto, Robert E.Assistant: Kovacs, Arpad F Attorney, Agent or FirmForeign Patent References
International ClassA01F 012/30Foreign Application Priority Data1995-09-06 SEAbstractIn a rotary chopper associated with a harvester combine and having a chopper rotor and counter-knives cooperating therewith in the housing of the rotary chopper, a fan is provided for supply of supplementary air at an excess pressure to the housing in order to increase the amount and the rate of the air exiting the rotary chopper and thus to improve the spreading of the comminuted material onto the ground. | |
