Mineral winning/detaching machines

Details Mineral winning/detaching machines Mineral winning/detaching machines

1977-03-22

1979-05-22

Pate, III, William

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

299 12, E21C 3504

Patent

active

041555970

ABSTRACT:
A self-propelled mineral winning/detaching machine incorporating at least one electric motor and provided with electrical pick up means movable, in use, with said machine to pick up electrical energy from a stationary conductor.

REFERENCES:
patent: 3649779 (1972-03-01), Howell, Jr.
patent: 3784256 (1974-01-01), Katlic
patent: 3821497 (1974-06-01), Laurent
patent: 3848712 (1974-11-01), Flodell
patent: 4025118 (1977-05-01), Lantermann et al.

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