Method and apparatus for mining inclined mineral deposits

Mining or in situ disintegration of hard material – Processes – With material-handling

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299 64, E21C 2910, E21C 3520

Patent

active

055824650

ABSTRACT:
A method and apparatus for haulage of material in a self-propelled vehicle on a sloped surface by supplementing traction force of the self-propelled vehicle by rope under variable tension in order to achieve the desired velocity of haulage.

REFERENCES:
patent: 1723383 (1929-08-01), Smith
patent: 2143522 (1939-01-01), McCarthy
patent: 5246274 (1993-09-01), Smith et al.

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