Earth working – Automatic power control – Obstruction sensing type
Patent
1974-11-29
1976-05-11
Marlo, George J.
Earth working
Automatic power control
Obstruction sensing type
172643, 172650, 172675, 172696, 172699, 172642, 172629, A01B 6302, A01B 3916
Patent
active
039556263
ABSTRACT:
A multi-row vineyard cultivator for cultivating a plurality of generally parallel rows of grape vines simultaneously having a wheeled framework adapted to travel over the rows with first and second outriggers mounted on the framework extending from the framework in a direction generally perpendicular to the line of travel so that they overlie a row on each side of the framework. A downwardly depending post is provided on each of the outriggers. Cultivator assemblies are mounted on each of the posts which are adequate for one row. A hydraulic actuator is provided for moving the post and the cultivator assemblies carried thereby longitudinally along the outrigger associated therewith. A sensing assembly is also provided for sensing the location of the vines in the row as the framework is advanced down the row and is connected to the hydraulic actuator for moving the post so that the cultivator assemblies are properly positioned with respect to the grape vines so that the cultivator assemblies can be advanced without damaging the grape vines.
REFERENCES:
patent: 2206283 (1940-07-01), Jacobs et al.
patent: 3387665 (1968-06-01), Fischer et al.
patent: 3654753 (1972-04-01), Gervais
patent: 3658136 (1972-04-01), Ernst
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