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Raise drill apparatus

Tool driving or impacting – Advance causing or controlling means – Motor causes or controls advance
Patent

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Remote handling apparatus

Tool driving or impacting – Advance causing or controlling means
Patent

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Reversing mechanism for the direction of rotation in a drilling

Tool driving or impacting – Advance causing or controlling means – Driven flexible member causes advance
Patent

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Rock drill feed mechanism

Tool driving or impacting – Advance causing or controlling means – Motor causes or controls advance
Patent

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Rock drill feed support

Tool driving or impacting – Advance causing or controlling means – Driven flexible member causes advance
Patent

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Rock drilling apparatus

Tool driving or impacting – Advance causing or controlling means – Driven flexible member causes advance
Patent

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Roof bolt drill support

Tool driving or impacting – Advance causing or controlling means
Patent

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Rotary drive assemblies

Tool driving or impacting – Advance causing or controlling means – Tool advances relative to drive
Patent

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Rotary pull down pull up drive for drill pipes

Tool driving or impacting – Advance causing or controlling means – Tool advances relative to drive
Patent

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Rotary rock drilling chuck

Tool driving or impacting – Advance causing or controlling means – Rotary drive and advance originate from same mechanical element
Patent

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Rotary tool with axial feed

Tool driving or impacting – Advance causing or controlling means – Tool advances relative to drive
Patent

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