Mounting structure for down-pressure system for opener assembly of agricultural implement
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United States of America Patent
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Aug 11, 2020
Grant Date -
Oct 4, 2018
app pub date -
Apr 3, 2018
filing date -
Jun 22, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A down-pressure system for an agricultural implement has a linear actuator connected between a frame assembly and an opener assembly. A mounting structure for connecting the linear actuator to the opener assembly includes a bushing and an alignment member attached to the linear actuator. The bushing has protrusions extending transversely from opposite sides of a longitudinal axis of the linear actuator. Each protrusion has a curved engagement surface for engaging a flat surface on the opener assembly to prevent bending stresses on the linear actuator when the opener assembly is raised and lowered. The alignment member is arranged to lock the bushing into a predetermined rotational position about a longitudinal axis of the linear actuator relative to the opener assembly. The alignment member comprises a first structure that mates with a corresponding structure on the bushing, and a second structure that engages opposite sides of the opener assembly.
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