Earth working – With guard – shield or plant diverter – Fender for deflected earth
Patent
1979-07-23
1981-07-21
Johnson, Richard J.
Earth working
With guard, shield or plant diverter
Fender for deflected earth
172596, A01B 2108
Patent
active
042793114
ABSTRACT:
The apparatus includes a pull-type frame carried by support wheels. The frame is vertically adjustable relative to the support wheels. A first gang of discs is mounted in a forward position on the frame. The discs are widely spaced relative to each other to leave alternate strips of tilled and untilled soil. The strips of untilled soil are of substantial width, approximately equal to the width of the tilled strips. The support wheels are preferably located behind the first gang of discs in the strips of untilled soil. A second gang of discs is mounted on the frame behind the first gang. Disc blades on the second gang are located to work in the untilled strips left by the first gang; and these discs are oriented to displace soil in a lateral direction opposite to that in which the first gang displaces soil. Under high speed operation, the soil dug by each disc is thrown over the adjacent strip to fill the row formed by the adjacent disc in the forward direction. Thus, the ground is worked only once in a single pass of this system, and most of the trash remains buried; yet, primary tillage can be achieved with a minimum of ridges and furrows remaining in the soil.
REFERENCES:
patent: 726775 (1903-04-01), Sloan
patent: 807349 (1905-12-01), Beasley
patent: 1557109 (1925-10-01), Vandeberg
patent: 2317567 (1943-04-01), Vinsonhaler
patent: 2648184 (1953-08-01), Cruse
Disc Harrow Selection Guide 1975 published for Krause Plow Corp., Hutchinson, Kans.
On the Go DMI Turbo Tiger, DMI Inc., Goodfield II.
DMI Inc.
Johnson Richard J.
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