Ground following opener apparatus
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United States of America Patent
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-
Aug 18, 1998
Grant Date -
N/A
app pub date -
Aug 2, 1996
filing date -
Aug 4, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A ground following opener is provided which includes a support frame, a parallelogram arrangement pivotably attached to the support frame, a tyne shank supported by the parallelogram arrangement and an opener supported at a free end of the tyne shank.
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