Air seal for preventing seed loss in crop pickup mechanism

Details Air seal for preventing seed loss in crop pickup mechanism Air seal for preventing seed loss in crop pickup mechanism

1986-04-23

1988-03-15

Suchfield, George A.

Harvesters

Motorized harvester

Including driven air-blower unit

56 129, A01D 5728

Patent

active

047304448

ABSTRACT:
A high speed blower feeds airstreams to a plurality of lower ducts that produce sheets of high velocity lower air stream moving upward through various gaps in a rake plate through which tines of a rotary pickup drum pass as the drum lifts a windrow of dry, brittle sesame seed crop, creating a lower "air seal" that prevents loss of large numbers of sesame seeds that pop out of the dry pods as a result of snapping and cracking of the dry crop material. The air seal prevents the seeds from falling through the gaps to the ground. The blower also feeds a plurality of upper ducts that produce a high velocity air stream flowing rearward over the upper surface of the matt, intercepting large numbers of sesame seeds that pop outward and upward from the pods and otherwise would be lost as a result of the snapping and cracking of the dry crop material.

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