Air cut-off pad for an air planter with seed discharge feature

Details Air cut-off pad for an air planter with seed discharge feature Air cut-off pad for an air planter with seed discharge feature

1979-05-07

1980-12-30

Bartuska, F. J.

Article dispensing

With discharge assistant

Having movable segregating chamber

111 77, 221278, A01C 704

Patent

active

042418496

ABSTRACT:
A resilient air cut-off pad 52 for an air planter is provided with an area of gradually decreasing thickness in the form of a seed discharge ramp 66 which has a rounded bottom 68 aligned with the circular path of the circumferentially spaced seed pockets 47 on the seed singulating disk 33. The seeds in the pockets 47 are relieved of pressure from the resilient pad 52 by their registration with the ramp 66 as they approach the trailing edge 54 of the pad 52. This insures that the seeds drop by gravity at uniform spacing without resilient thrust being imparted thereto by the trailing edge.

REFERENCES:
patent: 2667286 (1954-01-01), Raught
patent: 3048132 (1962-08-01), Morgan et al.
patent: 4074830 (1978-02-01), Adams et al.
patent: 4091964 (1978-05-01), Harrer

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