Tool driving or impacting – With vehicle support for drive – Vehicle motor and drive motor powered by same energy source
Patent
1997-08-07
2000-08-22
Vo, Peter
Tool driving or impacting
With vehicle support for drive
Vehicle motor and drive motor powered by same energy source
173 31, 173 37, 173141, 173147, 173193, 173196, E21B 702, B23Q 500
Patent
active
061056847
ABSTRACT:
The present invention relates to improvements in the operation and construction of roof bolters or roof bolt installation apparatus. The improvements comprise a roof bolter constructed so that the critical moving parts of its timber jack, feed frame, feed carrier and rotational unit are comprised of a rod and sleeve construction. Such construction allowing the protection of surfaces. The construction also includes feature of a spaced apart rod and sleeve construction which allows motive power units to be housed within the confines of the timber jack and feed carrier. The spaced apart arrangement also provides stability to the roof bolter.
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Hanna Peter
Nellson Brad
Pointer John
Calve James
Cram Australia Pty Ltd
Curtis Marshall M.
Lowe, Jr. James Earl
Vo Peter
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