Seed drill

Details Seed drill Seed drill

1980-07-18

1983-01-04

Johnson, Richard J.

Planting

Drilling

Lister units

172184, 172574, A01C 506

Patent

active

043667600

ABSTRACT:
A seed drill having single-disk furrow openers 6 set at an acute angle .alpha. to the direction of travel. The total number of furrow-opener disks is divisible by four, and one half of the furrow-opener disks in each transverse row are set at the acute angle (.alpha.) relative to the direction of travel which is directed to one side, and the half are set at an angle .alpha. which is directed to the other side.

REFERENCES:
patent: 245258 (1881-08-01), Clarkson
patent: 1046872 (1912-12-01), Sessler
patent: 2704524 (1955-03-01), McIntyre
patent: 2765756 (1956-10-01), Webster
patent: 3097616 (1963-07-01), Arnold
patent: 3675725 (1972-07-01), Schultz
patent: 3705560 (1972-12-01), Lappin
patent: 4117788 (1978-10-01), Whitehead
patent: 4275670 (1981-06-01), Dreyer

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