4. Tool driving or impacting
  5. Work cleansing
  6. Cleansing fluid passage in impact transmitting anvil

William I. Wohlfeld

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Exhaust means for percussion tools

Tool driving or impacting – Work cleansing – Cleansing fluid passage in impact transmitting anvil
Patent

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Longitudinal and rotary shock absorber for rotary and percussion

Rotary shafts – gudgeons – housings – and flexible couplings for ro – Flexible coupling between fluid-conducting rotary shafts – Including member deformable by relative movement between shafts
Patent

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Pneumatic hammer-auger earth boring apparatus

Boring or penetrating the earth – With below-ground tool drive prime mover
Patent

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Profile ID: LFUS-PAI-P-795629

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