PIVOTABLE ROOF BOLTER FOR MINING MACHINE

摘要

PIVOTAL ROOF BOLTER AND EXTENDABLE ROTATABLE PROTECTIVE CANOPY FOR MINING MACHINE An improvement for a combination mining machine and roof bolting apparatus which includes a mining machine moveable along a mine entry which can remove coal from a mine face, the machine also including a roof bolt installing mechanism. The improvement includes an arm, the roof bolt mechanism being mounted on one end of the arm, the other end of the arm being pivotally connected to the mining machine. The mining machine can also include a protective canopy which is moveable to a position in close proximity to the roof bolt installing mechanism.