Guide-rail assembly for longwall mining apparatus

Details Guide-rail assembly for longwall mining apparatus Guide-rail assembly for longwall mining apparatus

1979-11-09

1981-07-14

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

198735, 198864, 299 43, E21C 2734

Patent

active

042782945

ABSTRACT:
A mining apparatus has a plurality of rail sections having longitudinally abutting rail-section ends each having a predetermined longitudinal rail-section length. These rail sections together form a longitudinally extending guide rail along which a cutter-loader is displaceable. Respective conveyor trough sections are carried on the rail sections and each have a trough-section length substantially shorter than the respective rail-section length, so that longitudinal forces are transmitted via the rail sections and not by the conveyor-trough sections. The trough sections form a longitudinally extending trough in which a chain conveyor is effective.

REFERENCES:
patent: 3753596 (1973-08-01), Pentith
patent: 3784258 (1974-01-01), Braun et al.
patent: 3986600 (1976-10-01), Pentith
patent: 4186970 (1980-02-01), Minke et al.

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