Auxiliary cutter for a mining machine having coaxial cutter drums
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United States of America Patent
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-
Aug 16, 1994
Grant Date -
N/A
app pub date -
Jun 16, 1993
filing date -
Feb 6, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mining machine has a forward rotating cutter head mounted on a boom. The cutter head comprises at least two cutter drums in co-axial end to end formation and spaced apart by an arm of the boom. An auxiliary cutter device is located in the space between the drums and is adapted for intermittent engagement of the coal face when the cutter drums are cutting.
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Cited Art Landscape
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