MINE DRILL MODULE INCLUDING GRIPPER WITH FOLDING ARMS
An apparatus is for installing support for a surface of a mine passage, such as a mine roof, using an object, such as a roof bolt. The apparatus includes a driver adapted to advance toward the surface for driving the object into the surface. A gripper includes first and second arms for gripping the...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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