Planting – Drilling – Lister units
Patent
1983-05-05
1986-01-07
Johnson, Richard J.
Planting
Drilling
Lister units
172526, 172573, 172574, 172186, 172169, A01C 720, A01B 2108
Patent
active
045627800
ABSTRACT:
A trash farming implement is provided with a plurality of tillage assemblies on an implement, each tillage assembly having a tillage disc arranged to rotate about an axis which is inclined slightly from the vertical both in end elevation and in side elevation so that it slopes upwardly and forwardly in the direction of travel, and also a soil replacing disc which has an axis of rotation which is nearly horizontal but slopes upwardly towards the tillage disc to which it is adjacent, the disc being so located that a furrow cut by the tillage disc will be filled by replacement of the lifted soil to its original position.
REFERENCES:
patent: T862011 (1969-05-01), Koronka
patent: 925541 (1909-06-01), Welch
patent: 1105570 (1914-07-01), Lea
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patent: 1298046 (1919-03-01), Huff
patent: 1581841 (1926-04-01), Dillon
patent: 2634667 (1953-04-01), Woolwine
patent: 3129773 (1964-04-01), Freeman
patent: 3830047 (1974-08-01), Asumendi
patent: 4294181 (1981-10-01), Smith
patent: 4506610 (1985-03-01), Neal
Johnson Richard J.
Lewen Bert J.
Sternberg Henry
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