Apparatus for controlling down pressure on agricultural implemen

Earth working – Plural relatively movable tools – Plural tool groups relatively vertically movable because of...

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111 66, 111 52, 172311, A01C 506

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active

054978378

ABSTRACT:
A soil treatment apparatus is provided having a main frame to be drawn by a towing vehicle over subjacent soil, a subframe, a structure for mounting the subframe to the main frame for vertical movement relative thereto between first and second position, and structure for attaching a plurality of soil treating implements to the subframe to follow movement of the subframe between the first and second positions.

REFERENCES:
patent: 3635495 (1972-01-01), Orendorff
patent: 4149475 (1979-04-01), Bailey et al.
patent: 4191262 (1980-03-01), Sylvester
patent: 4377979 (1983-03-01), Peterson et al.
patent: 4528920 (1985-07-01), Neumeyer
patent: 5346019 (1994-09-01), Kinzenbaw et al.

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