Continuous highwall mining machine with armless conveyor

Details Continuous highwall mining machine with armless conveyor Continuous highwall mining machine with armless conveyor

1994-10-25

1996-06-04

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

With material-handling means

198314, E21C 3520, E21D 912

Patent

active

055226477

ABSTRACT:
A continuous highwall mining machine includes a frame and a ground engaging loading shovel that is mounted to extend forwardly from the frame. A cutter for winning aggregate material is mounted to the frame so as to extend above and forwardly of the loading shovel. An armless conveyor system conveys aggregate material won from the mineral seam. The armless conveyor system includes twin chains having a forked section at the forwardmost end carried on the loading shovel and an uninterrupted straight path extending rearwardly from the forked section to a discharge end.

REFERENCES:
patent: 2263458 (1941-11-01), Gellatly
patent: 2724517 (1955-11-01), Lewis
patent: 3154190 (1964-10-01), Gonski
patent: 3190697 (1965-06-01), Gonoki
patent: 3516712 (1970-06-01), Bennett et al.
patent: 3651923 (1972-03-01), Anderson et al.
patent: 3873157 (1975-03-01), Stoltefuss et al.
patent: 4588071 (1986-05-01), Kleibohmer
patent: 5112111 (1992-05-01), Addington et al.
patent: 5261729 (1993-11-01), Addington et al.

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