Machine for loosening and conveying coal from seam - has basic profiled component so formed that it is securely latched when pulled around by endless chain

摘要

The machine consists of a conveyor (1) on the ground, a cutter (2) with spill channels working against the coal face, and an endless chain (4) driving the cutter (2). The basic element (7) of the cutter (5) and the conveyor (6) has a guide (8) with a shoulder (8a) so formed that in the direction of the chain (4) they are behind one another. ADVANTAGE - The basic element is firmly latched as it is pulled around the guide wheel.