Seed drill apparatus

Details Seed drill apparatus Seed drill apparatus

1980-08-06

1982-04-13

Rolla, Joseph J.

Article dispensing

With discharge assistant

Plural or combined with manipulating means

221266, 221267, 221303, A01C 704

Patent

active

043243479

ABSTRACT:
A speed drill apparatus has a seed storage box SB with seed inlet manifold 2 to convey seeds to a rotatable collector wheel 5 having a number of peripheral seed receiving cavities 6. The seeds are ejected singly, assisted by a blade edge 11 running in a groove 5a joining the centers of the cavities, through an aperture B in casing 1 to fall into a groove 8 around the periphery of a distributor wheel 7. The groove 8 is subdivided by stops 9 into arcuate sectors each of which receives a seed. A retardation device 12 catches a seed in the groove 8 and holds same until carried on by a stop 9. The seed falls to the ground through outlet 13. The wheel 7 has a peripheral speed equal to the linear speed of motion over the ground and wheel 5 rotates more slowly with a reduction dependent on the ratio between the number of cavities 6 and number of stops 9. The retardation device 12 ensures accuracy of spacing by providing for discharge of each seed only when in abutment with a stop 9.

REFERENCES:
patent: 1695460 (1928-12-01), Iwanicki
patent: 2053390 (1936-09-01), Bateman et al.
patent: 4094444 (1978-06-01), Willis

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