Cutting apparatus for mining operations with automatic control

Details Cutting apparatus for mining operations with automatic control Cutting apparatus for mining operations with automatic control

1992-01-30

1993-08-10

Bagnell, David J.

Mining or in situ disintegration of hard material

Automatic control; signaling or indicating

Of hard material disintegrating machine

299 32, 405302, E21D 2314

Patent

active

052342565

ABSTRACT:
A cutting machine for mining minerals from a seam thereof, the machine executing reciprocal movements parallel to the face of the seam and being provided with switches for generating signals indicative of the direction of movement of the machine for controlling the removal of protective bumpers on support structures located forwardly of the machine and for moving support structures against the face of the seam and relocating bumpers rearwardly of the machine.

REFERENCES:
patent: 4692067 (1987-09-01), Ward et al.
patent: 4900091 (1990-02-01), Neu et al.
patent: 5029943 (1991-07-01), Merriman
patent: 5110187 (1992-05-01), Heintzmann et al.

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