Muffler for pneumatic power tool and pneumatic power tool incorporating the same
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United States of America Patent
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Mar 27, 2018
Issued Date -
N/A
app pub date -
Apr 7, 2015
filing date -
Apr 7, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A muffler assembly for a pneumatic power tool includes a tube member defining an interior volume. The tube member includes an upper segment and a lower segment. The upper segment defines a first diameter and includes a closed upper end to inhibit fluid communication with the interior volume therethrough, a lower end, a first portion defining a plurality of vents to enable fluid communication with the interior volume therethrough, and a second portion defining a continuous surface to inhibit fluid communication with the interior volume therethrough. The lower segment defines a second diameter greater than the first diameter and includes an upper end in fluid communication with the lower end of the upper segment, a lower end, a first portion defining a plurality of vents to enable fluid communication with the interior volume therethrough, and a second portion defining a continuous surface to inhibit fluid communication with the interior volume therethrough.
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