Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means
Patent
1983-07-11
1985-12-03
Novosad, Stephen J.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
With material-handling means
299 1, 299 78, 299 18, E21C 2724
Patent
active
045562571
ABSTRACT:
A mining machine is utilized for making original generally horizontal bores in coal steams, and for enlarging preexisting bores. A single cutting head is mounted for rotation about a first horizontal axis generally perpendicular to the dimension of elongation of the horizontal bore, and is pivotal about a second horizontal axis, parallel to the first axis, to change its cutting, vertical position within the bore. A non-rotatable body member, with side wall supports, is mounted posteriorly of the cutting head, and includes a conveyor mechanism and a power mechanism operatively connected to it. The machine can be sumped into a bore and then the cutting head rotated about the second axis to change the vertical position thereof, and then moved rearwardly, any cut material being continuously conveyed to the bore mouth by the conveyor mechanism. The amount of vertical movement during the pivoting action about the second axis is controlled in response to the automatic sensing of the thickness of the coal seam in which the machine operates.
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Delli-Gatti, Jr. Frank A.
Justice James C.
Coaltex, Inc.
Goodwin M.
Novosad Stephen J.
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