Harvesters – Cornstalk type – Cutters
Patent
1983-08-15
1985-06-25
Mancene, Gene
Harvesters
Cornstalk type
Cutters
56119, A01D 4502
Patent
active
045245711
ABSTRACT:
A corn harvester machine with an improved corn head for picking up downed cornstalks. The head has some conventional components including a cross auger conveyor with a forwardly open trough and a base portion extending forwardly and downwardly from it, pairs of horizontally spaced stripper plates with gathering chains and snapping rolls running above and below them and defining a plurality stalk-receiving throats. A lower cowl is fixedly mounted between each adjacent pair of stripper plates and a downwardly concave upper cowl is nested over each lower cowl and pivotally journaled to it for up and down tilting movement about a horizontal tilting axis at the cowl rear end portions. A pair of stalk lifting chains are trained for orbital movement between pairs of driving and idler sprockets. The driving sprockets are journaled in the lower cowl about the tilting axis. The idler sprockets are rotatably journaled in a front nose portion of the upper cowl and are vertically movable with it. The lifting chains have exposed paddles trained to move forwardly at ground level beneath the cowls, upwardly around the front nose portion, and have carrying runs which move backwardly along the top of the upper cowl for its full length, overlapping the carrying runs of the gathering chains. The overlapping carrying runs of the lifting and gathering chains run backwardly over the snapping rolls, enabling the lifting chains to pick up downed cornstalks at ground level, lift them around the front nose portion and engage the stalks at two vertically spaced locations to hold them upright as the snapping rolls advance and pull the stalks downwardly between the stripper plates.
REFERENCES:
patent: 3331196 (1967-07-01), Grant
patent: 3584444 (1971-06-01), Sammann
patent: 3646736 (1972-03-01), Grant
Mak Randall L.
Young Larry W.
Mancene Gene
Tarnoff David I.
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