Earth working – Specific propelling means
Patent
1983-05-19
1985-09-10
Johnson, Richard J.
Earth working
Specific propelling means
172298, 172307, A01B 4900, A01B 63104
Patent
active
045400547
ABSTRACT:
A cultivator for attachment to a crop harvester including at least one tool frame member with soil tilling tools adjustably mounted relative thereto. A shaft is provided rotatably mounted relative to a support frame of the crop harvester. An actuating member is operatively connected to the shaft and the support frame for selectively imparting rotation to the shaft. A link is operatively, pivotally connected between the tool frame member and the support frame for guiding the frame member and the soil tilling tools between a raised position out of engagement with a ground surface and a lowered position into engagement with the ground surface. A connecting member is operatively connected to the shaft and the frame member for translating rotational motion of the shaft into rotatable, vertical motion of the tool frame member and the soil tilling tools about the link pivotally mounted to the support frame to selectively raise and lower the frame member and the soil tilling tools.
REFERENCES:
patent: 2693447 (1954-11-01), Tanke
patent: 2925871 (1960-02-01), Gillette
patent: 3312290 (1967-04-01), Abbott
patent: 3955626 (1976-05-01), Taylor
patent: 4280563 (1981-07-01), Crow
Casada James H.
Swetnam Larry D.
Walton Linus R.
Johnson Richard J.
University of Kentucky Research Foundation
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