Dual-speed clutch for agricultural planter
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United States of America Patent
Stats
-
May 27, 1997
Grant Date -
N/A
app pub date -
Jan 20, 1995
filing date -
Jan 20, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanical clutch for use in metering seeds in an agricultural planter unit allows for selecting the input drive from either a primary drive source operating at a first RPM or a secondary drive source operating at a second, reduced RPM for dispensing seed at two different speeds. A third mode of operation of the clutch may also be selected wherein the seed metering mechanism is disconnected from the two drive sources. This arrangement allows a ground driven implement such as a planter to either (1) plant at a first predetermined population per acre; (2) plant at a second, lower population per acre; or (3) not plant at all. The clutch is driven by a ground engaging wheel and drive wheel combination, with the two seed dispensing speeds as well as the planter by-pass mode on-the-go selectable by an operator via a suitable electrical switch and solenoid combination.
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Cited Art Landscape
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