EXTRACTOR FOR USE ON PNEUMATIC DISTRIBUTOR APPLIED ON MACHINES AND ON THE MAJORITY OF THE AGRICULTURAL IMPLEMENTS

摘要

That besides warranting, at each cycle, the expulsio of the adhered seed, through suction, to the pneumati distributor planting disk hole, it also warrants at eac cycle, the removal of the impurities that may adhere to th planting disk hole, ensuring its complete clearance in orde that a new seed may be adhered in it by suction, offerin thus a perfect regularity on their distribution.