Title:
Acoustic shield for a tool powered by a gas-operated motor
United States Patent 3202239
Inventors:
William, Clarke Ronald Albert
Publication Date:
08/24/1965
Export Citation:
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Assignee:
William, Clarke Ronald Albert
Primary Class:
181/230
International Classes:
B25D17/11; B25D17/00
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US Patent References:
3028840Vibrationless percussive tool
2949975Pneumatic tool muffle
2909031Vibration isolation of power head
2846154Sink mount for waste disposal units
2136315Machine for breaking concrete
2128742Muffling device
1708002Exhaust muffler
1115704N/A
Foreign References:
AT219524B
GB496454A
GB634027A
GB932373A
SE77382A