Agricultural furrow forming apparatus depth control

Details Agricultural furrow forming apparatus depth control Agricultural furrow forming apparatus depth control

1981-05-20

1983-02-15

Feyrer, James R.

Planting

Drilling

Lister units

172425, 172427, 172430, 172536, A01C 506

Patent

active

043734561

ABSTRACT:
An apparatus to be towed that includes frame supported, rotatably mounted furrow forming disks that are arranged to substantially contact each other at the approximate point of entry into the soil and diverge apart rearwardly and upwardly, a pair of rotatable gauge wheels having supports that individually and pivotally connect the wheels to the frame with each wheel being located generally adjacent an outer surface of a disk, a gauge wheel adjustment assembly, including an indicator, movably mounted in the frame for contact with the supports to achieve desired furrow depth, furrow depth indicating means having a zero indicating position and spaced indicia located adjacent the indicator and including adjustment structure to locate and fix the zero position opposite the indicator when the wheels and disks contact a level surface for accurate furrow depth control.

REFERENCES:
patent: 1308574 (1919-07-01), Brady
patent: 4009668 (1977-03-01), Brass et al.
patent: 4275670 (1981-06-01), Dreyer
(anon) 7000 Max-Emerge Drawn Planters, John Deere Parts Catalog, pub. by John Deere Plow & Planter Works PC-1467, pp. 10-3, 110-6 and 110-7.

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