Longwall mining machine

Details Longwall mining machine Longwall mining machine

1977-03-21

1980-01-15

Pate, III, William

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

72422, 72462, 105 29R, E21C 2902

Patent

active

041835859

ABSTRACT:
A longwall mining system having a longwall mining machine and a conveyor operatively associated therewith. Haulage being effected through rack and pinion means. The pinion has roller means rotatably mounted on the pinion teeth. The conveyor rack has root sections sloping toward the conveyor path.

REFERENCES:
patent: 563776 (1896-07-01), Lee et al.
patent: 1438266 (1922-12-01), Schoberle
patent: 2509161 (1950-05-01), Meyers
patent: 3753596 (1973-08-01), Pentith
patent: 3968995 (1976-07-01), Arentzen

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