4. Motors: expansible chamber type
  5. Fluid supply through diverse paths to single expansible chamber
  6. Second path activated in response to pressure or flow in...

Tamrock Oy

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Apparatus for feeding a drilling machine in extension rod drilli

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

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Apparatus for storing drill rods

Boring or penetrating the earth – With orienting or racking means for unconnected tools or...
Patent

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Arrangement for a telescope feeder of a rock-drilling machine

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

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Arrangement for an axial bearing in a drilling machine

Tool driving or impacting – Impacting devices – With impact cushioning means
Patent

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Arrangement for controlling tension in a winch cable connected t

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent

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Profile ID: LFUS-PAI-P-38998

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