Driving gear rack cleaner for a mining machine

Details Driving gear rack cleaner for a mining machine Driving gear rack cleaner for a mining machine

1979-02-13

1980-12-23

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

104279, 105 29R, E21C 2924

Patent

active

042406676

ABSTRACT:
A driving gear for a mining machine comprising a coil chain wound over a driving wheel and a jockey wheel and co-operating with a rack mounted along a conveyor. A sweep-off gear is pivotably mounted in front of a slide of the machine at a level above the rack. The sweep-off gear has a sweep-off surface which is inclined both with respect to the longitudinal axis of the rack and the horizontal surface of the rack teeth for sweeping-off bodies from the rack onto the conveyor. Nozzles are provided on the gear for washing the rack with a water stream under pressure at an angle with respect to the surface of the rack.

REFERENCES:
patent: 386184 (1888-07-01), Cheesebrough
patent: 449855 (1891-04-01), King
patent: 3305952 (1967-02-01), Dressler
patent: 4006937 (1977-02-01), Curtis
"Longwall Haulage Systems--Progress in America", Mining Congress Journal, /78 pp. 30-34.

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