Patent ID: 8985703
Filing Date: 2015-03-24
Classification: E02F,E21F

Abstract:
1. A material extraction system for an underground mine, the mine including a roadway entry and a draw-bell entry intersecting the roadway entry and affording access to a draw-bell, the system comprising: a conveyor extending along the roadway entry; roadway rails extending along the roadway entry; a material collector moveable along the roadway rails, the material collector operable to deposit material onto the conveyor; a loading machine moveable from the roadway entry into the draw-bell entry for removing material from the draw-bell and transferring material removed from the draw bell to the material collector; and a crowding mechanism including a fixed portion that is fixed relative to the draw-bell entry and a moveable portion coupled to the loading machine and engageable with the fixed portion for moving the loading machine toward the draw-bell and into the material to be removed.