TILLAGE TOOL Russian patent published in 1999 - IPC

FIELD: agriculture, in particular, basic soil cultivation equipment, may be used for cultivation of dry soils. SUBSTANCE: tillage tool has share and deep plow with chisel and share wing. Deep plow has vertical blade with cutting angle α = equal to 25-90 deg. This blade is adapted for cutting vertical slit in subsurface layer. Height h(1) of vertical slit is 29-60% of B and width b(1) is equal to 0.8-16.5% of B. Share wing cuts channel in subsurface layer, with height h(2) of channel making 17-43% of B and width b(2) making 12-35% of B. Share wing surface is positioned at an angle of γ₁==7-29 deg to advancement direction. Front cut of share wing is positioned at an angle ε = equal to 35-80 deg to horizontal plane. Share wing length is determined by expression: l= b₂/sinγ₁,, where B is tillage tool working width. EFFECT: reduced power consumption and increased efficiency. 3 dwg