Air intake control structure for pneumatic tool
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United States of America Patent
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N/A
Issued Date -
Nov 24, 2005
app pub date -
May 11, 2005
filing date -
May 21, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An air intake control structure used in a pneumatic tool and coupled to an impact unit is disclosed to include a tool body, which has an accommodating chamber and an air inlet in air communication with the accommodating chamber, a sliding barrel, which holds the impact unit in the accommodating chamber and is movable between a first position and a second position and has a stop flange extending around the periphery, a damper unit for buffering relative movement between the sliding barrel and the tool body, and an air control device, which is mounted in the air inlet of the tool body for blocking the air intake when the sliding barrel is moved to the first position or opening the air inlet for letting a compressed air pass through the air inlet to move the impact unit when the sliding barrel is moved to the second position.
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