Harvesters

Details Harvesters Harvesters

A - Human Necessities

01

D

56/114, 130/16

A01D 45/22 (2006.01)

Patent

CA 1061216

ABSTRACT OF THE DISCLOSURE A harvester for beans and like crop includes a pick-up reel having a width equal to the overall width of the harvester and leading to a first, cleaning, conveyor which terminates at an air passage incorporating a fan for generating a generally vertical air flow. Where the vertical air passage meets the cleaning conveyor, a rotary valve is provided which permits the passage of the beans and other parts of the crop but prevents or at least restricts the passage or the air flow into the space above the upper run of the conveyor. The rotary valve may take the form of a rotary vaned assembly having six vanes each of which is secured to one face of a hexagonal shaft and various forms of rotary valve are also described.

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