DEVICE FOR MINERAL SELECTIVE EXTRACTION Russian patent published in 1994 - IPC

FIELD: mining industry. SUBSTANCE: device includes shearer with augers for mineral extraction and working member for extraction of rock interlayer, and loader with discharge hopper whose longitudinal axis is square to shearer longitudinal axis. Shearer is installed on face conveyor with mounted equipment carrying rock face conveyor inclined towards face. Installed on side surface of rock face conveyor from caving side is bed for cable layer. Bed is arranged above face conveyor flight and displaced towards its longitudinal axis. Hoisting mechanisms are installed in points of transfer of rock interlayer to stowing mechanisms and made in form of bell-cranks hinged to each other. One of arms is installed between rack face conveyor and mounted equipment, and the other arm is installed between powered support units and connected with them by means of rams. EFFECT: higher efficiency. 4 dwg