Mining auger
Mining bit and holder
Mining bit and holder
Mining bit with improved split ring retainer
Mining cutter bit assembly
Mining cutter bit holder and mounting assemblies
Mining drum with cutting and shearing bits on conical ring
Mining equipment
Mining machine
Mining machine bit and mounting thereof
Mining machine excavator drum having liquid spray control
Mining machine with cam-operated water jet pump
Mining machine with internal water supply for the cutting drums
Mining nozzle with two ring latch
Mining tool retainer
Mining tool with automatic sprinkler control
Mining unit of coal combines
Mounting block to rotate coal cutter bits
Mounting for receiving a mining pick bit
Mounting means for pick on mining drum vane