Ground contact implement soil penetration depth control

Details Ground contact implement soil penetration depth control Ground contact implement soil penetration depth control

1989-03-06

1990-04-03

DeMille, Danton D.

Planting

Drilling

Frame and planting-element arrangement

111926, 111191, 172 4, A01B 63111, A01C 506

Patent

active

049130706

ABSTRACT:
Disclosed is an apparatus for controlling the depth of soil penetration of a ground contact implement, such as a planter, furrow opener, seeder, tiller, fertilizer or pesticide applicator, plow, etc. or any combination thereof. The present invention permits presetting of a desired ground contact implement soil penetration depth, and provides continuous dynamic regulating of an adjustable downpressure system in response to changing forces exerted on the device (for example, including those forces resulting from soil unevenness), so as to maintain the ground contact implement at approximately the preset desired depth.

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Morrison, Jr., John E. et al., "Flexible Mounted Double-Discs . . . ", Trans. ASAE, vol. 26, No. 4, pp. 1044-1045, 1983.
Morrison, Jr., John E. et al., "Planter Depth-Control: . . . ", Trans. ASAE, vol. 28, No. 5, pp. 1415-1418, 1985.
Morrison, Jr., John E., "No-Tillage Experimental Planter Performance . . . ", Trans. ASAE, vol., 21, No. 4, p. 602 onward, 1978.

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