Seed planter

Details Seed planter Seed planter

1989-06-08

1990-01-30

DeMille, Danton D.

Planting

Drilling

Having depositor feature

221211, A01C 704, A01C 720, B23Q 704, B65H 308

Patent

active

048966169

ABSTRACT:
A device for sowing individual seed grains spaced from each other comprises a discharge disc which constitutes the rear wall of a seed box and has suction openings for sucking the seed grains and discharges the grains seed through a discharge passage of the box. To ensure that only a single grain will be discharged at a time, the discharge disc consists of two parts, namely, a disc body which communicates with the suction fan, and a disc blade which contacts the disc body on the side facing the supply of seeds in the seed box. One part is stationary and has a guide slot, which defines the discharge path. The other part is rotatably mounted and has peripherally spaced apart entraining slots, each of which extends throughout the radial extent of the guide slot.

REFERENCES:
patent: 425364 (1890-04-01), Berrien
patent: 1331235 (1920-02-01), Bristow
patent: 2383523 (1945-08-01), Thornburgh
patent: 2605017 (1952-07-01), Bolen
patent: 2986305 (1961-05-01), Koerper et al.
patent: 3009560 (1961-11-01), Frazier
patent: 3434437 (1969-03-01), Mark et al.
patent: 3796346 (1974-03-01), Ribovleau

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