PNEUMATIC SOWING MECHANISM Russian patent published in 1995 - IPC

FIELD: agricultural engineering. SUBSTANCE: pneumatic sowing mechanism has housing, seed and vacuum chambers, seed disk with suck-holes, excess seed flicker in form of fork. The latter is secured on axle of lever to permit adjusting its position relative to suck-holes. Flicker has bell crank and mechanism to fix one of bell crank arms. Other end of arm is hinge-coupled with axle of level to adjust position of flicker relative to row of suck-holes. EFFECT: provision of precision drilling. 2 dwg