4. Tool driving or impacting
  5. Impacting devices
  6. With means to cause or control advance of hammer head

Elmer B. Phelps

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Adjustable lip type seal for a crankshaft

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Dampener for impacting mechanism

Tool driving or impacting – Impacting devices – Hammer head driven by relatively moving motion transmitting...
Patent

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Impacting mechanism

Tool driving or impacting – Impacting devices – With means to cause or control advance of hammer head
Patent

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Profile ID: LFUS-PAI-P-255091

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