Combine harvester straw chopper stationary knife adjustment

Details Combine harvester straw chopper stationary knife adjustment Combine harvester straw chopper stationary knife adjustment

1985-07-15

1986-09-23

Mancene, Gene

Solid material comminution or disintegration

Apparatus

Helical pusher inside tube moves material toward perforated...

56 146, 56 127, 241241, A01D 4112, A01D 8900

Patent

active

046129413

ABSTRACT:
In the straw chopper of a combine harvester, an array of stationary knives may be adjusted generally radially into greater or lesser intermeshing engagement with blades of the chopper rotor. Guide and mounting means ensure that the relative angularity between the stationary knives and the chopper rotor remains constant at all adjustment positions of the stationary knives. The knives are fixed to a transverse carrier and a pair of opposite releasable adjustment levers extend downwards to be rigidly joined by a transverse handle, conveniently accessible and beneath and somewhat forward of the straw chopper casing. The stationary knife mounting arrangement facilitates adjusting the knives in unison and maintaining the knife array parallel to the axis of the straw chopper rotor.

REFERENCES:
patent: 1440429 (1923-01-01), Williams
patent: 1529760 (1925-03-01), Yerk
patent: 2842175 (1958-07-01), Thompson
patent: 2892478 (1959-06-01), Gronberg
patent: 3380502 (1968-04-01), Gronberg

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