Air valve adjusting switch assembly
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United States of America Patent
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-
Sep 6, 2011
Grant Date -
Dec 3, 2009
app pub date -
May 29, 2008
filing date -
May 29, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to an air valve, including a valve body, an air valve adjusting pipe, an adjusting bolt, an airtight ring and a screw cap. With the geometric shapes of the air valve adjusting pipe and the adjusting bolt, the airtight ring installed onto the adjusting bolt is in contact with the internal wall of the air valve adjusting pipe to achieve a totally airtight effect and adjusting the level of airtightness.
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