Mining machine

Details Mining machine Mining machine

E - Fixed Constructions

21

C

262/81

E21C 29/14 (2006.01) E21C 27/02 (2006.01) E21C 29/02 (2006.01)

Patent

CA 1165338

ABSTRACT OF THE DISCLOSURE: A mining machine of the shearer type comprises an elongate machine body housing inter alia a power unit for powering a rotary, mineral cutting head, a haulage unit mounted on the outside of the machine body and com- prising a variable speed motor connected via speed reduction gearing to a machine haulage sprocket adapted to engage progressively rack bars or a chain extending along the mineral face.

362622

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