Mineral mining plough with worm adjustable roof cutter

Details Mineral mining plough with worm adjustable roof cutter Mineral mining plough with worm adjustable roof cutter

1979-08-10

1981-06-30

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

299 80, E21C 2744

Patent

active

042759277

ABSTRACT:
A mineral mining plough has a plough body provided with a carrier supporting roof-level cutters. The carrier is movable vertically with respect to the plough body so as to adjust the cutting level of the roof-level cutters. A worm mounted on the plough body and a toothed rack attached to the carrier constitute means for adjusting the vertical position of the carrier, the worm meshing with the toothed rack.

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