Mining or in situ disintegration of hard material – Hard material disintegrating machines – Sidewall-working
Patent
1976-02-04
1979-03-13
Purser, Ernest R.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Sidewall-working
299 34, E21C 3512
Patent
active
041439180
ABSTRACT:
A mining conveyor assembly of the kind comprising a conveyor which, in the use of the assembly, extends alongside a mine face. The conveyor comprises an elongate wall connected to and upstanding from the conveyor on the goaf side thereof, and a fence structure secured to the assembly in spaced relation to the wall member to provide a trough, in which the cable or cables supplying services to a mining machine, which travels along a trackway afforded by the conveyor assembly, is received as the machine traverses backwardly and forwardly along the trackway.
The fence structure is yieldable to externally applied forces, preferably both in a direction laterally of the fence structure, and also in a direction extending longitudinally of the fence structure. In this manner, tendency of the cable or cables to become damaged, during operation, may be minimized.
Alternatively, or in addition, control units of the kind whereby personnel engaged in the mining operation may transmit a signal to a main control station are located in chambers, provided at spaced intervals along the length of the fence structure.
REFERENCES:
patent: 3721378 (1973-03-01), Hughes et al.
patent: 3826535 (1974-07-01), Fujimori et al.
patent: 3861751 (1975-01-01), Erwien
patent: 3997039 (1976-12-01), Hubbard et al.
Purser Ernest R.
Winster Mining Limited
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