PRECISION SEED DRILL Russian patent published in 1998 - IPC

FIELD: agricultural machinery and equipment. SUBSTANCE: this is used for precision planting of seeds of poppy, carrots, fennel, and other small-grain crops. Precision seed drill has wheeled chassis, boot, covering working member, seed bin, and precision drilling module with pneumatic seeding mechanism connected with piston pump driven from drill ground wheels. Drill module additionally has pump which is provided with pipe unions having non-return valves. Pump is connected with tank containing liquid fertilizer. Both pumps are powered from common drive. Additionally, drill is provided with modules and mechanism for adjusting spacing between ridges being treated. Mechanism is made in the form of kinematic leverage system with arms adjustable by means of brackets. Seeding mechanism of each module is made in the form of calibrated head with tapered passage. EFFECT: high efficiency. 2 cl, 4 dwg