MINE ROOF AND RIB SUPPORT
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United States of America Patent
Stats
-
N/A
Issued Date -
Feb 26, 2015
app pub date -
Aug 21, 2014
filing date -
Aug 23, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A mine roof and rib support includes a support member comprising a roof support arm and a rib support arm, the roof support arm provided at an angle to the rib support arm, wherein the roof support arm defines an aperture for receiving a mine roof bolt; a bearing plate defining a through-hole, the bearing plate being positioned on the surface of the roof support arm, wherein the bearing plate through-hole is operatively aligned with the roof support arm aperture; and a mine roof bolt extending angularly through the through-hole of the bearing plate and the roof support arm aperture, the mine roof bolt being configured to compress the bearing plate against the support member. The bearing plate is positioned on the surface of the roof support arm away from the angled junction of the roof support arm and the rib support arm.
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Cited Art Landscape
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