Supporting device for an advance working or mining machine
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United States of America Patent
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-
Feb 8, 2011
Grant Date -
Jul 30, 2009
app pub date -
Jul 20, 2007
filing date -
Jul 28, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a supporting device (2) for an advance working or mining machine (1), including support props (3) and at least one roof bar (4), the roof bar(s) (4), on their sides facing away from the support props (3), include(s) a plurality of support cylinders (5) with support stops, which can be separately braced against the roof.
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Family
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Cited Art Landscape
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