Pneumatic hand tool exhaust muffler
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United States of America Patent
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-
Sep 14, 1999
Grant Date -
N/A
app pub date -
Jan 13, 1998
filing date -
Jan 13, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A muffler (30) for quieting exhaust expelled from a pneumatic hand tool (10) having a handle (12), an air intake port, and an exhaust port. The muffler (30) includes an inner tube with a plurality of holes, a number of washers (36) positioned longitudinally about the inner tube (32) at the location of the plurality of holes, and a flexible outer sleeve (34) positioned about the combination of washers (36) and inner tube (32). The inner tube includes a proximal end adapted to connect to the pneumatic hand tool exhaust port. During use, exhaust air pass from the hand tool (10) out the exhaust port, into the inner tube, out the inner tube holes, into the washers, through the washers, and out the flexible outer sleeve.
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