MACHINE FOR RUBBING SEEDS Russian patent published in 2020 - IPC A01C1/00 

FIELD: agriculture.

SUBSTANCE: disclosed is a machine for rubbing seeds, comprising a rubbing drum, the inner surface of which is coated with a layer of rubber, loading and unloading trunnions. Drum is made in the form of a cylinder with end walls of ellipsoidal shape, which is inclined relative to the horizontal axis of the drum, mounted at an acute angle to the axis of rotation of the drum, along the inner perimeter with curved pockets, and along outer perimeter with alternating projections of curved shape. Elliptically shaped flat end walls are parallel to each other and arranged at an angle α to drum horizontal rotation axis, are turned relative to each other by an angle β and made along perimeter with generatrices in the form of alternating ledges of curvilinear shape, corresponding to shape and dimensions of alternating projections of outer perimeter of drum surface. Drum is mounted on a platform to which a vibrator is attached from below.

EFFECT: invention enables increased efficiency.

1 cl, 5 dwg