Seed drill apparatus

Details Seed drill apparatus Seed drill apparatus

A - Human Necessities

01

C

111/34

A01C 7/04 (2006.01)

Patent

CA 1127464

38837/6 ABSTRACT OF THE DISCLOSURE (FIG.1) A seed 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 centres of the cavities, through an aperture 8 in casing 1 to fall into a groove 8 around the periphery of a distributor wheel 7. The groove 8 is subdivided by seed. A retardation device 12 catches a seed in the groove 9 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 ? and number of stops 9. The retardation device ? ensures accuracy of spacing by providing for discharge ? each send only when in abutment with a stop 9.

357890

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