Damping spring for use in agricultural implements
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United States of America Patent
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-
Jan 29, 2008
Grant Date -
Mar 9, 2006
app pub date -
Feb 18, 2005
filing date -
Sep 8, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A damping spring assembly particularly but not exclusively useful for damping the motion of rake wheels in agricultural wheel rakes. The damping spring includes a pair of extended U-bolts and a coil compression spring. The extended U-bolts are connected to spring holder bushings which bear on the ends of the coil compression spring. As the coil compression spring is compressed, a constrained resilient damping rod located within the extended shafts of the extended U-bolts is likewise compressed in length and expands in diameter to bear against the extended shafts of the extended U-bolts, thus providing a damping action to prevent snapping back of the damping spring.
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