Mining machine having rectangular thrust transmitting conveyor c

Details Mining machine having rectangular thrust transmitting conveyor c Mining machine having rectangular thrust transmitting conveyor c

1975-04-10

1977-03-29

Purser, Ernest R.

Mining or in situ disintegration of hard material

Automatic control; signaling or indicating

Of hard material disintegrating machine

299 18, 299 30, 299 64, 175 61, 175 73, E21C 2724, E21C 2902, E21C 3524

Patent

active

040145743

ABSTRACT:
A mining machine comprises a laterally elongated cutting head including means for cutting an earth formation, a laterally elongated thrust transmitting column connected to and extending rearwardly from the cutting head, and a power head connected to the rear of the column and operative to thrust the cutting head forward into the earth formation by means of the interposed column. The column carries a non-thrust transmitting column conveyor for carrying fragments cut from the formation from the cutting head to the power head.

REFERENCES:
patent: 2669441 (1954-02-01), Castanoli et al.
patent: 2872170 (1959-02-01), Alspaugh et al.
patent: 3578807 (1971-05-01), Barrett
patent: 3767836 (1973-10-01), Geis et al.
patent: 3951459 (1976-04-01), Honeycutt

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