Harvester thresher

Crop threshing or separating – Straw chaff spreader or handling – With chopper

Patent

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Details

56504, 460113, A01F 1240, A01F 2906

Patent

active

058335331

ABSTRACT:
A harvester thresher has a housing, a straw shaking means, a chopper drum arranged after the straw shaking means and provided with associated counter cutters for comminuting a threshed straw, a width distributing device arranged under the chopper drum for distributing the comminuted straw, the chopper drum being arranged at a height of the discharge end of the straw shaking means, the chopper drum having a drum casing, a shaft supporting the drum casing in the housing, and a plurality of parallel supporting rings arranged at a distance from one another on the drum casing, the chopper drum further having a plurality of impact plates, a plurality of transfer strips associated with the straw shaking means and inserted in ring gaps between the supporting rings, and a plurality of counter cutters which deviate under the action of an overload and extend in the ring gaps between the supporting rings at a different location.

REFERENCES:
patent: 3669122 (1972-06-01), Rowland-Hill
patent: 4637406 (1987-01-01), Guinn et al.
patent: 4646757 (1987-03-01), Schmitt et al.

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