DISK OPENER FOR SMALL SEEDED CROP SOWING Russian patent published in 1995 - IPC

FIELD: agricultural engineering. SUBSTANCE: drill with disk opener has boot 1 with carrier bar, axle with rolling supports, left-hand and right-hand disks 5 and 6, respectively, depth gauges 7 and bracket for securing the depth gauges on outer surfaces of left-hand and right-hand disks, adjustable scrapers 9 and 10, straight-line or curvilinear seed guide 11 arranged between inner surfaces of inclined disks and secured at the rear side of disk opener boot funnel. Seed guide 11 has slots arranged in staggered order at both side edges square to longer axis of seed guide. Depth of slots increase with narrowing of seed guide. Angular slits are made at rear side of seed guide slots. Slots on seed guide surface are made at angle of 40 degrees relative to working surface. Angular slit walls are arranged at angle of 90 degrees relative to each other. EFFECT: enlarged operating capabilities. 3 cl, 4 dwg