Mounting structure for mounting a depth control member to a row unit of an implement
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United States of America Patent
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Dec 31, 2013
Grant Date -
May 2, 2013
app pub date -
Dec 20, 2012
filing date -
Jan 4, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A bushing is provided for mounting a pivot arm that has both a threaded portion as well as one or two smooth cylindrical portions. The threaded portion enables the pivot arm to be a laterally adjusted by rotating the bushing while the smooth portion or portions provide a bearing surface or surfaces for the pivot arm loads. This removes the load from the threads, reducing wear of both the bushing and the pivot arm, thereby reducing maintenance cost.
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