4. Tool driving or impacting
  5. Impacting devices
  6. Spring bodily cyclically moved with hammer head

Rudolf Hoyer

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Hammer drill

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

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Hammer drill with drive and percussion elements accommodated in

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

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Housing for electric tools

Tool driving or impacting – Impacting devices – Spring bodily cyclically moved with hammer head
Patent

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Profile ID: LFUS-PAI-P-409673

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