STOWER Russian patent published in 2014 - IPC E21F15/06 

FIELD: mining.

SUBSTANCE: device comprises turn board articulated with advancing hydraulic jacks, thrust hydraulic jacks with supports in contact with lateral walls of working and frame with boards, their height being defined by drift height. Inclined platform mounted at the frame for turn board and filling material to get in contact with as well as frame boards and filling massif. Thrust hydraulic cylinders are articulated with the frame. Inclined platform is articulated with the device frame at extreme edge in filling material travel direction. At other edge, lift hydraulic cylinders are rigidly secured by cylinders at the frame and, by rods, articulated with the frame.

EFFECT: higher efficiency of stowage.

2 cl, 2 dwg