Patent ID: 6267449
Filing Date: 2001-07-31
Classification: E21C

Abstract:
In a mineral mining installation composed of a drum-type cutting machine which runs back and forth, over a conveyor alongside a mineral face in a mine working, an improved guide arrangement comprising a guide block which is pivotally connected on a guide arm of the cutting machine for movement around a horizontal and a vertical axis and cooperates with a guide rail arranged on the conveyor, wherein the guide arm fits into a pocket on the guide block and is secured therein by means of a transverse bolt, a pivot journal head is formed at one end region of the transverse bolt and is received pivotally relative to the guide block around a vertical axis in a pivot journal socket in a lateral wall of the pocket and a horizontal guide is formed in the other lateral wall of the pocket which receives the other end region of the transverse bolt with lateral play.