Mining machine with cutter drum having internal drive motors

Details Mining machine with cutter drum having internal drive motors Mining machine with cutter drum having internal drive motors

1976-04-27

1977-09-13

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter shiftable vertically

299 89, E21C 2724

Patent

active

040477630

ABSTRACT:
A continuous mining machine having a rotary cutter drum provided with internal drive motors. The drive motors extend on opposite sides of the support boom for the rotary cutter drum and each motor is within the axial extent of the cutter drum on each side of the support boom.

REFERENCES:
patent: 3157438 (1964-11-01), Lundquist
patent: 3288536 (1966-11-01), Galis et al.
patent: 3290096 (1966-12-01), Stalker
patent: 3305273 (1967-02-01), Kilbourne
patent: 3362753 (1968-01-01), Sibley

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