Forage harvester cutterhead

Details Forage harvester cutterhead Forage harvester cutterhead

1975-09-04

1976-08-17

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

56 139, 241294, B02C 1818

Patent

active

039749703

ABSTRACT:
A cut-and-throw type forage harvester has a rotatable cutterhead including a plurality of knives having cutting edges that generate a cylinder as the cutterhead rotates. The cutterhead is mounted in a housing having an upwardly directed tangential discharge chute, which has parallel front and rear walls and converging side walls to narrow the stream of crop material discharged from the cutterhead for movement through an upwardly and rearwardly extending discharge spout or upper chute portion. The knives are mounted on the cutterhead so that their cutting edges diverge from the central portion of the knife in a forward direction relative to the direction of rotation of the cutterhead, so that the crop material impelled in a direction normal to the cutting edges is converged in the discharge chute to reduce the amount of impingement of the crop material on the converging side walls of the discharge chute.

REFERENCES:
patent: 1155353 (1915-10-01), Haldeman
patent: 1213192 (1917-01-01), Heebner
patent: 2309594 (1943-01-01), Hutchings
patent: 3357467 (1967-12-01), Morkoski
patent: 3452796 (1969-07-01), Hennen

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