Pneumatic seeder assembly

Details Pneumatic seeder assembly Pneumatic seeder assembly

1975-12-22

1977-05-24

Burr, Edgar S.

Planting

Drilling

Hill-planting machines

111 62, 111 66, 222193, 2395535, 239565, 2395905, 239655, 302 28, 302 59, A01C 700, A01C 1504, B65G 5304

Patent

active

040248224

ABSTRACT:
Seed and/or fertilizer or similar particulate material is fed by a seed cup assembly or the like from a hopper to a main conduit through which air is passing at a rate sufficient to ensure that the material is picked up by the air stream and transported thereby. A main distributor head receives the material and feeds it pneumatically to a plurality of secondary distributor heads. A plurality of feed conduits extends from each secondary distributing head one to each of the seed outlets provided adjacent the furrow openers of the assembly. Each distributor head is provided with tapered restrictors which concentrate the material centrally so that it strikes the curved upper end centrally and is thus spread evenly to all of the conduits extending from the manifold thus ensuring even distribution of the material.

REFERENCES:
patent: 1641275 (1927-09-01), Hughes
patent: 3204942 (1965-09-01), Matthys et al.
patent: 3265442 (1966-08-01), Willis, Jr. et al.
patent: 3515315 (1970-06-01), Kidd
patent: 3548765 (1970-12-01), Grataloup
patent: 3631825 (1972-01-01), Weiste
patent: 3885704 (1975-05-01), Linemann

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