Pneumatic seed drill has dosing units fitted with dosing wheels mounted on common shaft fitted with at least two clutches, allowing all dosing units, half of them or none of them to operate

摘要

The pneumatic seed drill has dosing units (1, 2) fitted with dosing wheels (10) mounted on a common shaft (5). This is fitted with at least two clutches (6), allowing all the dosing units, half of them or none of them to operate.