Shearer loader for underground mining operation

Details Shearer loader for underground mining operation Shearer loader for underground mining operation

1987-07-24

1989-05-09

Massie, Jerome W.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

74661, 74665L, 192 0098, E21C 2922

Patent

active

048283266

ABSTRACT:
A shearer loader for underground mining operations including a duplex-input transmission coupled to the haulage box drive motor of the shearer loader. A first input of the duplex-input transmission is coupled to the haulage box office motor, and a second input of the duplex-input transmission is coupled to a drum-cutter drive motor of the shearer loader. During those times in which increased feed rates are required of the shearer loader, feed forces required for the increased feed rate is supplied by both the haulage box drive motor, and the drum-cutter drive motor.

REFERENCES:
patent: 3633081 (1972-01-01), Weber
patent: 4315439 (1982-02-01), Grachtrup
patent: 4453774 (1984-06-01), Knorr
patent: 4465319 (1984-08-01), Brownlie
patent: 4579019 (1986-04-01), Gabriele
patent: 4646896 (1987-03-01), Hammond et al.

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