MINING MACHINE ACTUATOR Russian patent published in 2013 - IPC E21C27/10 

FIELD: mining.

SUBSTANCE: mining machine actuator comprises a body installed as capable of rotation in the form of a disc, where along the periphery there are rock-breaking tools installed in holders, at the same time on the working surface of the disc along the circumference with the radius equal to 1/2 of the disc radius, there are sleeves fixed, in which sharpened bits of conical shape are installed as capable of pulsating motion along their axis, at the same time on the same radius in the disc there is an odd number or at least one through hole in the form of a truncated cone in the cross section of the disc, narrowing from the disc surface, where bits are installed, to its rear side.

EFFECT: improved efficiency of mineral extraction, increase of its quality and safety of actuator and entire machine operation.

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