Earth working – Diverse tools – Including colter
Patent
1985-03-04
1987-10-13
Johnson, Richard J.
Earth working
Diverse tools
Including colter
172700, A01B 1308, A01B 3912
Patent
active
046992200
ABSTRACT:
A soil aeration machine with a straight main frame being attached to a tractor via a three-point hitch. The main frame carries standards to which deep tillage knives are attached. A coulter is mounted directly in front of each knife to cut through the residue left on the surface, thus preventing build-up of residue on the knife. The knives have wings arranged so that when the knives penetrate deep into the soil, the wings slice through and lift the soil, creating macropores in the soil. As this lifting action occurs, no soil is displaced or turned, thus leaving all residue undisturbed on the surface.
REFERENCES:
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patent: 2595353 (1952-05-01), Graham
patent: 2906353 (1959-09-01), Rogers
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Farm Show, vol. 10, No. 1, p. 3, 1986, received 3-5-86.
Farm Show, p. 4, Different Type Sub-Mulcher, received 12/16/85.
Orthman Parabolic Precision Ripper, advertizing brochure of Orthman, Lexington, Neb. 10/1981.
Corsicana Pasture Renovator, advertizing brochure of Corsicana Grader and Machine Co., Corsicana, TX, 1/1980.
Power Farming, pp. 62, 63, Sep. 1986, Spaldings Flatlift Sub-Surface Cultivator.
Johnson Richard J.
Strohm Brothers, Inc.
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