Curved Mine Roof and Rib Support
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United States of America Patent
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N/A
Issued Date -
Feb 9, 2012
app pub date -
Aug 6, 2010
filing date -
Aug 6, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A mine roof and rib support includes a curved support member comprising a roof support arm and a rib support arm with a curved junction portion between the roof support arm and the rib support arm and an aperture defined through the support member for receiving a mine roof bolt. A bearing plate having an upper edge and a lower edge, and a through-hole provided therebetween can be provided wherein the upper and lower edges are positioned in abutment with the roof and rib support arms, respectively. Also, a mine roof and rib support may include a curved support member comprising a roof support arm and a rib support arm and a curved junction portion between the roof and rib support arms, wherein the roof support arm defines the aperture for receiving a mine roof bolt that may extend substantially vertically through the through-hole and the roof support arm aperture.
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Cited Art Landscape
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