Agricultural machine

Details Agricultural machine Agricultural machine

1979-09-17

1981-09-01

Hafer, Robert A.

Harvesters

Horse rakes

Side delivery

56370, A01D 7706

Patent

active

042864275

ABSTRACT:
An agricultural machine, such as a haymaker, for the displacement of stalks, comprising a movable air-permeable screen and air displacing arrangement for inducing a pressure difference across the screen thereby to cause stalks to adhere to the screen under the effect of suction. In a preferred embodiment, a blocking member is disposed to prevent the application of suction at one region of the screen to allow stalks adhering to the screen to be deposited. The air displacing arrangement may to provide an air cushion under the machine to support the machine above the ground.

REFERENCES:
patent: 1447328 (1923-03-01), Rycroft
patent: 2836951 (1958-06-01), Annis
patent: 2896398 (1959-07-01), Green
patent: 2929188 (1960-03-01), Talkington
patent: 3611690 (1971-10-01), Zweegers
patent: 3832838 (1974-09-01), Hale

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