Agricultural plant cutting header with fore and aft adjustable flexible cutterbar having automatic preload adjustment
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United States of America Patent
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Aug 9, 2011
Grant Date -
N/A
app pub date -
Apr 6, 2010
filing date -
Apr 6, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A flexible cutterbar header for an agricultural plant cutting machine, includes a plurality of elongate, telescoping support arms pivotally connected to a floor of the header and supporting a flexible cutterbar for upward and downward, and fore and aft movements relative thereto, apparatus extending between at least some of the support arms configured and operable for controlling the telescoping thereof substantially uniformly, and a preload adjusting system configured and operable for applying a preload force against the cutterbar through the support arms in a manner to automatically increase as the support arms telescopically increase in length, and automatically decrease as the support arms telescopically decrease in length.
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Cited Art Landscape
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