4. Chucks or sockets
  5. Socket type
  6. Lost motion

Bernard Piras

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Device for holding the tool of a hydraulic rock breaker

Chucks or sockets – Socket type – Lost motion
Patent

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Hydraulic distributor for percussion apparatus driven by an inco

Tool driving or impacting – Impacting devices – Impact transmitting anvil
Patent

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Hydraulic percussion apparatus

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled
Patent

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Hydraulic percussion apparatus

Motors: expansible chamber type – Cyclically operable – Working member controlled motive fluid for distributor motor
Reexamination Certificate

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Percussion hydraulic apparatus

Motors: expansible chamber type – Cyclically operable – Working member controlled motive fluid for distributor motor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-482967

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