FIELD: agriculture.
SUBSTANCE: seed dispenser comprises seed box with outlet, coil with grooves installed on shaft, guide of seeds into lower part of seed box and coupling with rib and valve. Ribs of coil grooves do not have a brush framing and are arranged along helical line at the angle of 18÷22° to its axial line. Back end part of valve is arranged as rectangular. Line of valve back end part cut is arranged below axis of coil with grooves by (0.6÷0.7)R of coil. End of one rib of coil with grooves along with direction of coil rotation matches right top of valve, and beginning of the following coil rib with grooves matches left top of valve. Slots of outlet are arranged complying with shape of ribs with grooves, at the angle of 18÷22° to axial line of coil.
EFFECT: seed dispenser improves distribution of seeds along sown area, has a longer service life and a possibility for adjustment to various norms of sowing.
5 dwg
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Authors
Dates
2010-03-20—Published
2008-11-17—Filed