4. Tool driving or impacting
  5. Impacting devices
  6. Hammer head constitutes piston of drive motor

Peter John Rubie

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Drill slide for rock drilling apparatus

Tool driving or impacting – Automatic control of power operated means – Drive means responsive to condition of advance causing or...
Reexamination Certificate

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Linerbolt removal tool

Tool driving or impacting – Impacting devices – Hammer head constitutes piston of drive motor
Reexamination Certificate

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Rock-bolting apparatus and method

Tool driving or impacting – With vehicle support for drive
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Profile ID: LFUS-PAI-P-2881490

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