Tool driving or impacting – With work engaging means supporting drive – Anchored to work
Patent
1998-04-13
2000-06-27
Vo, Peter
Tool driving or impacting
With work engaging means supporting drive
Anchored to work
173 35, 173 37, 173 52, 173189, E21C 1100
Patent
active
060795042
ABSTRACT:
A drill rig is provided which has a mobile trolley having a telescopically extendible post for locking it in position relative to the hanging wall in an underground mine. The post supports in articulated manner, at least one and generally two vertically and laterally spaced drill booms adjustable in position at least within limits relative to the height of the post. A third drill boom may operatively be supported by the trolley itself in a lower-most position. The trolley is preferably supported on driven wheels and the drills, post, and any drive motors are preferably hydraulically driven by high pressure water.
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Calve Jim
Northam Platinum Limited
Vo Peter
LandOfFree
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