Planter with cooperating trash clearing discs

Details Planter with cooperating trash clearing discs Planter with cooperating trash clearing discs

1979-11-02

1981-10-20

Johnson, Richard J.

Earth working

Diverse tools

Diverse rolling

172574, 172763, A01C 506

Patent

active

042955327

ABSTRACT:
A double disc attachment for planters, operating to present a debris-cleared area ahead of the furrow opener of the planter, has one of the discs peripherally fluted so that the discs cooperate in their debris-clearing function rather than work in opposition to one another. The fluting permits lateral displacement by the other disc of debris which might otherwise be contacted simultaneously by the soil-penetrating cutter disc and left lying across the path of the oncoming furrow opener. The discs are properly oriented insofar as tilt, spacing, convergence, relative overlapping and lead are concerned, with at least certain of such relative positioning and depth being adjustable to accommodate for various conditions.

REFERENCES:
patent: 448349 (1892-03-01), King
patent: 588787 (1897-08-01), Atkins
patent: 642273 (1900-01-01), White
patent: 736963 (1903-08-01), Ham
patent: 2486442 (1949-11-01), Silver
patent: 2734439 (1956-02-01), Padrick
patent: 2757593 (1956-08-01), Bowman
patent: 3362361 (1968-01-01), Morrison
patent: 3642333 (1972-02-01), Eisenhardt
patent: 3718191 (1973-02-01), Williams
patent: 7862011 (1969-05-01), Koronka

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