Seed-sowing element and drill for experimental plots

Details Seed-sowing element and drill for experimental plots Seed-sowing element and drill for experimental plots

1984-07-06

1986-06-03

Tollberg, Stanley H.

Article dispensing

Automatic control

Of discharge assistant operation

221211, B65G 5906

Patent

active

045924848

ABSTRACT:
A seed-sowing element intended to be mounted on a drill of the pneumatic type having a turbine, a general low pressure conduit circuit and a seed-sowing element, with the seed-sowing element comprising a low pressure assembly for recovering excess seeds including a first flap inserted in a low pressure conduit connected to a supply chamber for a disk, a second flap between the outlet of a hopper and the supply chamber, and a third flap positioned in a suction cover adjacent to the disk, the flaps being connected to an operating-cycle control assembly, itself controlled by a datum point set up on the ground and marking the plots to be sown.

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