Forage chopping cylinder

Details Forage chopping cylinder Forage chopping cylinder

1979-11-05

1981-11-24

Hafer, Robert A.

Harvesters

Stalk choppers

Rotating on horizontal transverse axis

56249, 56294, A01D 4900

Patent

active

043016472

ABSTRACT:
The chopping cylinder has knives that extend longitudinally of the axis of rotation of the cylinder and which are twisted in such a way that their longitudinal cutting edges wind generally helically around the periphery of the cylinder so that a scissor-like shearing cut is obtained as the knives move past a cooperating shearbar. Special crop flow directors are bolted to the inner faces of the knives between supporting spiders for the knives so as to intercept the crop flow headed toward the interior of the cylinder following severance and to maintain the same adjacent the outer periphery of the cylinder during the movement of the crop material around and with the cylinder to a point of discharge. Special mounting hardware permits the individual directors to be attached directly to the knives in a manner to increase the efficiency and performance of the cylinder.

REFERENCES:
patent: 2476177 (1949-07-01), Bloom et al.
patent: 2521059 (1950-09-01), Goldberg
patent: 3126931 (1974-03-01), Blanshine et al.
patent: 3974970 (1976-08-01), Bertrand et al.

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