Furrow opener and follower blade

Details Furrow opener and follower blade Furrow opener and follower blade

1984-04-05

1986-07-08

Hafer, Robert A.

Planting

Drilling

Lister units

A01C 720

Patent

active

045986541

ABSTRACT:
A pair of circular, furrow-opening disks, supported by separate, angularly oriented axles, rotatable simultaneously as a unit and converging to a leading zone of interengagement within the ground for preventing soil buildup therebetween, have a wedge-shaped, trailing blade, rigidly supported therebetween immediately ahead of materials gravitating into the furrow, and following at a greater depth, for slicing the series of unplowed scallops at the bottom of the furrow, clearing the furrow bottom of loose soil and forming a truly V-shaped, ridgeless, material-receiving apex compressed into a smooth, firm sidewall formation.

REFERENCES:
patent: 2192947 (1940-03-01), White
patent: 3005426 (1961-10-01), Sorensen et al.
patent: 3154030 (1964-10-01), Williams
patent: 3217674 (1965-11-01), Williams
patent: 3380411 (1968-04-01), Orendorff
patent: 3380412 (1968-04-01), Connor et al.
patent: 3509947 (1970-05-01), Garst
patent: 3658018 (1972-04-01), Connor

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