FIELD: agricultural industry; mechanics.
SUBSTANCE: seed-sowing device consists of a seed box with a spring-loaded valve and a rosette, and a coil with channels and a coupling installed on the shaft. Face plane of the valve is square-shaped. Channels of the coil converge and diverge in turn for the width of the channel in left-handed and right-handed parts of the coil.
EFFECT: decreasing damages to the corn, improving operational uniformity and stability, and continuous metering.
4 dwg
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Authors
Dates
2009-01-20—Published
2007-05-04—Filed