MINING MACHINE Russian patent published in 2018 - IPC E21C27/24 

FIELD: mining.

SUBSTANCE: mining machine includes a traveling mechanism, a frame, at least one actuating member, cutting device containing cutting units with drives. The traveling mechanism is designed for extending each cutting unit with the drive to required profile of the drift and their shifting by required value. Each cutting unit has a cutting drum and a cutting mill, whose diameter is greater than the diameter of the cutting drum. The cutting drums are arranged coaxially on the shaft and movable along the shaft axis.

EFFECT: design simplification.

3 cl, 2 dwg