Single seed drilling machine

Details Single seed drilling machine Single seed drilling machine

1974-12-10

1976-11-09

Reeves, Robert B.

Article dispensing

With discharge assistant

Article adhering or gripping type

111 78, B65H 314

Patent

active

039906060

ABSTRACT:
A single seed drilling machine has a rotatable drum the interior of which is connected in use to a source of reduced pressure. The drum is closed by a plate which has a circle of suction holes, so that seed can be held at the holes against the outer surface of the plate. Within the drum an interrupter device engages the plate to close a hole in the lowest region of the plate. Adjacent that hole, outside the plate, is a seed ejector device. Thus in the lowest region of the rotatable plate, the suction holding seed at a hole is temporarily rendered ineffective, at which time the seed is directed away from the plate by the ejector device.

REFERENCES:
patent: 2505758 (1950-05-01), Enebeck
patent: 2991909 (1961-07-01), Lamazou et al.
patent: 3142274 (1964-07-01), Winter
patent: 3209888 (1965-10-01), Sterling

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