FIELD: agricultural engineering; tools. SUBSTANCE: opener has body 1, opener tip 2, cylindrical disc 3 installed on body leg for rotation, ring plates 4, and seed speed reducer 9. Novelty in design of opener is that cylindrical disc 3 is provided with grooves 11 alternating with ribs 10 on cylindrical surface and limiting plate 5 is installed between ring plates. Limiting plate embraces projections of grooves and forms together with grooves separate chambers for transportation of seeds to bottom of seed trench. EFFECT: improved uniformity of sowing depth by adjusting transportation of seeds in opener. 3 cl, 4 dwg
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|---|---|---|---|
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RU2617589C2 |
| COULTER | 2020 |
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RU2765890C1 |
