Mining machine longwall propulsion means

Details Mining machine longwall propulsion means Mining machine longwall propulsion means

1975-02-13

1976-05-04

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

299 33, E21C 2902

Patent

active

039543005

ABSTRACT:
A propulsion motor is disclosed for use in propelling the mining machine used in a fixed arch shield mining system wherein the mining machine is movably supported by the shield. The propulsion motor comprises a power transfer means secured to the mining machine and being shiftable from a non-cutting position to a cutting position. The power transfer means includes a drive arrangement having portions engageable with certain of the arches of the mining shield for propelling the mining machine.

REFERENCES:
patent: 569097 (1896-10-01), Fryer
patent: 2539962 (1951-01-01), Mavor

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