Powered hammer
A powered rotary hammer or chisel hammer has a hammer mechanism with a ram (20) reciprocatingly movably mounted in a guide tube section (15) and comprising an outer circumferential surface in which a vent channel (24) is provided which connects the front end of the circumferential surface with its r...
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Hauptverfasser: | , |
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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