Seed planter, planter assembly and method of picking up and discharging single seeds

作者: Robert G. Holmes

DOI:

关键词:

摘要: A seed planter comprises a transport member, usually in the form of disc, having number depressions provided with ramp surfaces sloping downwardly from surface member into depression. Air is fed deepest portion depression and single trapped this by low pressure region which forms between walls Ejection accomplished increasing region. The capable metering spherical seeds very accurately at rates about 40 per second can be made small width so that row planters on assembly plant closely spaced rows. also used for sorting seed, example distinguishing flat seeds. planting multiple rows mounting plurality frame.

参考文章(9)
Bolen Roscoe Alonzo, Vacuum seed selector and planter ,(1948)
R Holmes, R Rohrbach, Pneumatic metering device ,(1970)
Donald A Mccallum, Positive pressure feed wheel ,(1970)
Donald T. Zerner, George M. Dobson, Austin J. Dobson, Seed sower having apertured pick-up member ,(1979)
LeRoy Langford, Paul H. Harrer, Seed disc for an air planter ,(1976)
Xavier Roger Grataloup, Agricultural distributing implement ,(1968)