4. Motors: expansible chamber type
  5. Cyclically operable
  6. Working member controlled motive fluid for distributor motor

Etablissements Montabert

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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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Drilling device

Boring or penetrating the earth – With signaling – indicating – testing or measuring
Reexamination Certificate

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Fluid-control system for a hydraulic percussion instrument

Expansible chamber devices – With cushioning means effective over a portion only of stroke
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 device and method of controlling same

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

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Profile ID: LFUS-PAI-P-326716

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