METHOD FOR CONTINUOUS OPERATION OF A SURFACE MINER
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United States of America Patent
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Issued Date -
Oct 20, 2011
app pub date -
Apr 15, 2011
filing date -
Apr 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A surface miner operates in a first direction to remove material from a mining face with its rotational axis of the cutting drums oriented substantially perpendicular to the mining face. Upon reaching an end of the mining face, the surface miner turns such that the axis is oriented substantially parallel to the mining face. The surface miner then operates in a second direction to cut a first channel from the mining face. To withdraw the cutters from the first channel, the surface miner reverses. The surface miner repositions to cut a second channel from the mining face in the second direction. The first and second channels together define a cut out. The surface miner is positioned in the cut out with the axis oriented substantially perpendicular to the mining face facing in a direction substantially opposite the first direction. The surface miner then continues to remove material in that direction.
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