Planting – Drilling and broadcasting – Main and auxiliary frame machines
Patent
1980-08-14
1984-04-24
Bratlie, Steven A.
Planting
Drilling and broadcasting
Main and auxiliary frame machines
111 34, 111 52, 111 59, 111 77, 111 89, 111 90, 111 91, A01C 504, A01C 506, A01C 718, A01C 720
Patent
active
044441304
ABSTRACT:
A planting machine wherein its planter wheel and a packer wheel trailing the same respectively have peripheral velocities greater and less than the speed of advance of the machine. Shoes on the former open the ground and deposit a seed therein on relative rearward movement, with feet on the packer wheel covering deposited seeds on forward movement thereof relative to the ground. The drives for the planter and packer wheels are interconnected to minimize the overall power requirement. Seeds are dispensed from a hopper to a position adjacent the axle of the planter wheel and spirally nested delivery tubes gravitationally deliver the dispensed seeds to the planter shoes in an arrangement such that a seed is delivered to a shoe only after a predetermined advance of the seed has occurred subsequent to its having been dispensed. The planting and packer wheels are incorporated in planter units with separate, individually adjustable, pneumatic systems being provided to apply supporting forces to the planter and packer wheels.
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patent: 4023511 (1977-05-01), Newman
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Bratlie Steven A.
Breidenthal Robert E.
Wilson Gretchen L.
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