Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1978-11-30
1981-01-20
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 57, A01B 376
Patent
active
042457041
ABSTRACT:
A cultivating machine has a hollow frame portion supporting a row of rotating members each of which includes a lower plate-like tine that is S-shaped in cross section. The tines are connected to upper shafts that extend upwardly and forwardly at inclined angles. Each tine has two elongated soil cultivating elements with front ends that engage the soil. The members are mounted in a transverse row and can be spaced apart from one another so that the distance between two neighboring members is greater than one third of the diameter of the working path of each member so that furrows are formed. The upper shaft ends mount pinions that can be in mesh with one another or an intermediate pinion within the frame portion so that neighboring shafts can be driven in the same or opposite directions. One of the shafts is extended up through the frame portion to a gear box housing a driven pinion engaged by a driving pinion on an input shaft. The input shaft is connectable to the p.t.o. of a tractor. A supporting roller is pivoted to the frame and setable in any one of a plurality of positions to regulate the working depths of the members. Alternatively, a front spray boom with nozzles and a rear set of seed drills can be attached to the frame.
REFERENCES:
patent: 1561978 (1925-11-01), Garcia
patent: 2918130 (1959-12-01), Thom
patent: 2992689 (1961-07-01), Laughlin
patent: 3108645 (1963-10-01), Hill
patent: 3367425 (1968-02-01), Heeren
patent: 3616862 (1971-11-01), Lely
patent: 4029153 (1977-06-01), Lely
patent: 4148364 (1979-04-01), Scharmann
Johnson Richard J.
Mason William B.
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