Rack apparatus on a face conveyor for a mining machine

Details Rack apparatus on a face conveyor for a mining machine Rack apparatus on a face conveyor for a mining machine

1978-06-23

1979-07-31

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

E21C 2902

Patent

active

041628101

ABSTRACT:
A drive gear of a drum-cutter mining machine engages a rack device extending along the working side of a face conveyor to propel the mining machine along a mine face. Spanning each joint between conveyor tray sections is a bridging rack segment with leg extensions interlocked with recesses formed in extended end members of non-bridging rack segments each of which extends along a single conveyor tray section and is secured thereto by bolts. Rack teeth are formed by spaced-apart pin members carried by lugs outwardly of the face conveyor. The ends of the pin members at the face conveyor for the bridging rack segments are carried by U-shaped plates with a tongue plate engaged behind the extended end members of the non-bridging rack segments. The ends of the pin members at the face conveyor for the non-bridging rack segments are carried by flanges having lower, outwardly-bent sections extending toward the mine floor to form a ramp at the working face side of the face conveyor.

REFERENCES:
patent: 4082361 (1978-04-01), Lanfermann

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