Side-mounted bolt driver and method of driving rock bolts
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United States of America Patent
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Mar 15, 2016
Grant Date -
Oct 15, 2015
app pub date -
Apr 15, 2014
filing date -
Apr 15, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A rock drilling and bolting system comprises a drill feed slidable on a drill feed rail for drilling a hole, a bolter feed slidable on a bolter feed rail, the bolter feed having a main bolt driver for driving a rock bolt, a side-mounted bolt driver mounted to the bolter feed rail, the side-mounted bolt driver being disposed rearwardly of the main bolt driver to receive the rock bolt when there is insufficient space to load the rock bolt in the main bolt driver and to drive the rock bolt partially into the hole, and an indexing mechanism for rotating the main bolt driver into alignment with the rock bolt that is partially driven into the hole, wherein the main bolt driver drives the rock bolt fully into the hole.
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