SEEDING UNIT FOR PNEUMATIC DRILL Russian patent published in 1999 - IPC

FIELD: agricultural engineering. SUBSTANCE: seeding unit has hopper with debris plates movable one with respect to another. Seeding unit has flat seeding disk positioned in horizontal plane and replaceable ring. Seeding unit housing is provided with ejector and conveyance channels connected with seed guides. Conveyance channels are inclined to horizontal plane. Number of rows and lines depends on number of slots in replaceable ring. Axes of seed guides and conveyance channels are offset one with respect to another. Such construction allows adjustable multiple-row and multiple-line seeding to be effectuated. EFFECT: increased efficiency, wider operational capabilities and enhanced reliability in operation. 8 cl, 6 dwg