High speed tillage system with discs and plow points

Details High speed tillage system with discs and plow points High speed tillage system with discs and plow points

1982-05-03

1984-06-19

Johnson, Richard J.

Earth working

With actuator adapted to lift tool for transport on wheeled...

Servo-motor forces tool down

172484, 172316, 172454, 172138, A01B 4902, A01B 6332

Patent

active

044549202

ABSTRACT:
A tillage system includes forward and rear sets of widely spaced discs and a set of plow points. The discs in the forward set are mounted at spaced intervals so as to leave alternate strips of worked and unworked soil of substantially equal width. Each disc of the rear set is mounted in a strip of soil left unworked by the forward set to complete the working of the top soil. The plow points are located in the furrows of one of the sets of discs (preferably the rear set) to permit some deep plowing. The working depths of the points and discs are independently adjustable. The system is designed for operation at high speed to provide complete coverage of the soil with minimal double working by the discs. It permits deeper penetration by the discs and a controlled amount of deeper plowing by the points while leaving a finished contour which is substantially free of ridges and furrows.

REFERENCES:
patent: 525424 (1894-09-01), Lindestrom
patent: 1557109 (1925-10-01), Vandeberg
patent: 1674779 (1928-06-01), Heitmeyer
patent: 1759647 (1930-05-01), Kincannon
patent: 2523421 (1950-09-01), Buschor
patent: 2546461 (1951-03-01), Lewis
patent: 2925871 (1960-02-01), Gillette
patent: 3486761 (1969-12-01), Fay
patent: 3627053 (1971-12-01), Hook
patent: 3757871 (1973-09-01), Maust
patent: 3774696 (1973-11-01), Horsch
patent: 4186805 (1980-02-01), Repski
patent: 4313503 (1982-02-01), Good

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