Self-propelled mining apparatus and method for cutting arched opening
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United States of America Patent
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Sep 10, 1996
Grant Date -
N/A
app pub date -
Nov 22, 1994
filing date -
Nov 22, 1994
priority date (Note) -
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Abstract
A mining apparatus includes a frame, a mechanism for cutting an arched opening in a seam and winning the cut mineral, and a propulsion system. The cutting mechanism includes a boom supported mineral cutting drum having a barrel or bulging cylindrical shape. The propulsion system is canted on the frame at an angle from the horizontal in order to match the floor of the arched opening being cut by the drum.
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