Threshing rotor for a combine

Details Threshing rotor for a combine Threshing rotor for a combine

1977-10-20

1979-02-13

Kinsey, Russell R.

56 146, A01F 1218

Patent

active

041390130

ABSTRACT:
The axial flow rotary separator of a combine includes a rotor having a generally cylindrical threshing section surrounded by a fixed, non-adjustable concave or grate so as to define an annular threshing space. The rotor includes threshing bar assemblies pivoted about axes parallel to the rotor axis and spring loaded in the direction of reducing concave clearance, against adjustable stops. Setting of the stops is controlled by adjusting eyebolts mounted on the front of the rotor, accessible from the front of the combine and connected to the stops through a pivot arm assembly. In normal operation springs hold the threshing bar assemblies against the stops but the pressure of a large foreign body or an excessive flow or material entering the threshing space may overcome the spring pressure forcing the threshing bars to retract to provide necessary clearance.

REFERENCES:
patent: 918285 (1909-04-01), Clark
patent: 3079924 (1963-03-01), Dietrich
patent: 3306302 (1967-02-01), Mark et al.
patent: 3848609 (1974-11-01), Mortier et al.

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