4. Motors: expansible chamber type
  5. Cyclically operable
  6. Relatively movable inlet and exhaust valves

Michael R. Davies

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Cyclic hydraulic actuator

Motors: expansible chamber type – Cyclically operable – Relatively movable inlet and exhaust valves
Patent

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Hydraulic reciprocating mechanism

Motors: expansible chamber type – Cyclically operable – Working chamber receives controlled motive fluid supply from...
Patent

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Pneumatic rock drill

Boring or penetrating the earth – Bit or bit element – Impact or percussion type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1651919

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