Vacuum seed metering assembly

摘要: A vacuum seed metering mechanism arranged in combination with a hopper for uniformly dispensing seeds to the ground. The comprises rotational distributor disc provided circular row of openings toward periphery disc. carries from reservoir discharge area under influence pressure differential. is rotatably mounted housing whose interior divided by into reservoir, on one side disc, and suction chamber, lying around portion path movement salient feature present invention relates provision an apparatus imparting vibrations facilitating release