GRAIN-SEPARATING MACHINE Russian patent published in 2017 - IPC B07B1/30 A01F12/44 

FIELD: agriculture.

SUBSTANCE: grain-separating machine contains a frame, a device for receiving grain, two swinging sieve boots and a drive shaft for communicating antiphase vibrations to the sieve boots. The two swinging sieve boots are arranged in two tiers. The upper sieve boot is mounted on a pair of suspensions and a pair of racks, and the lower sieve boot - on a pair of racks and a pair of suspensions, or vice versa. The fixing points of each pair of suspensions and the fixing points of the opposing pair of racks on the machine frame are at an equal distance from the horizontal plane passing between these points.

EFFECT: dynamic balance of the grain-separating machine.

1 dwg