Horizontal mining machine and method of slot mining

Details Horizontal mining machine and method of slot mining Horizontal mining machine and method of slot mining

1979-02-01

1980-09-30

Purser, Ernest R.

Mining or in situ disintegration of hard material

Processes

With material-handling

299 45, 299 75, 299 83, 173 43, E21C 3520, E21C 4300

Patent

active

042251869

ABSTRACT:
Mining apparatus for removing near surface narrow seams of mineral deposits such as coal without removal of overburden is disclosed. The apparatus comprises a horizontal coal mining machine which is adapted for use in cooperation with large scraper type earth moving machines or bucket type cranes utilized in strip mining operations. The horizontal mine apparatus comprises generally a wide track service vehicle on which an internal combustion engine and hydraulic motors are disposed. An elongated cutting tool for removing a mineral deposit in a deep slot having a large depth to thickness ratio is supported on an elevator assembly which is pivotally mounted to the vehicle chassis. Linear actuators are coupled to the elevator assembly and cutting tool for adjusting the elevation, sweep and pitch of the cutter assembly to accommodate various changes in elevation and slope of the coal seam.

REFERENCES:
patent: 1997093 (1935-04-01), Wilson
patent: 2327928 (1943-08-01), Osgood
patent: 4014574 (1977-03-01), Todd
patent: 4036529 (1977-07-01), Hawthorne et al.
patent: 4059309 (1977-11-01), Cleary

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