Earth working – Diverse tools – With independent means for vertical movement
Patent
1980-09-19
1982-06-29
Johnson, Richard J.
Earth working
Diverse tools
With independent means for vertical movement
172155, 172196, 172448, 172451, 172691, 172700, 172688, A01B 1308, A01B 1302
Patent
active
043368441
ABSTRACT:
There is disclosed a farm implement having a frame connectible to a tractor by means of a three-point hitch to permit it to be moved forwardly over the ground level, a first set of chisels supported on the frame in laterally spaced-apart relation, a second set of chisels supported on the frame rearwardly of the first set and laterally intermediate laterally adjacent chisels of the first set, and a lister mounted on each chisel of the second set with its lower edge above the lower edge of the chisel of the second set. In use of the implement, the first set of chisels form longitudinally extending trenches in the ground, and the listers mounted on the chisels of the second set turn the soil toward the trenches in order to build beds thereover.
REFERENCES:
patent: 2734439 (1956-02-01), Padrick
patent: 3235013 (1966-02-01), Kirpatrick
patent: 3289771 (1966-12-01), Bennett
patent: 3396804 (1968-08-01), Rogers
patent: 3554296 (1971-01-01), Lehman
patent: 3559747 (1971-02-01), Cline
patent: 3667550 (1972-06-01), Lehman
patent: 3734195 (1973-05-01), Cantral
patent: 4024921 (1977-05-01), Tibbs
patent: 4230054 (1980-10-01), Hatcher
Amco Rippin Buster, Advertising Brochure of Amco, Yazoo City, Miss.
Cornell Barry F.
Helbig William H.
Johnson Richard J.
Lehman-H Feeder & Plow, Inc.
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