Duplex frame hinge for farm implement
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United States of America Patent
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Feb 28, 2012
Grant Date -
Jun 9, 2011
app pub date -
Dec 7, 2009
filing date -
Dec 7, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A duplex hinge having two pivot points. In one embodiment, the hinge is used between sections of multi-sectional farm implements to allow flex during field operations as well as folding for road transport. One pivot point is active both when folding and during field operations. The other pivot point is active during field operations but rigid while folding for road transport.
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