Gas-Controlling Valve For A Sputum Extracting Device
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United States of America Patent
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Issued Date -
Jun 12, 2008
app pub date -
Dec 7, 2006
filing date -
Dec 7, 2006
priority date (Note) -
Abandoned
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Abstract
A gas-controlling valve for a sputum extracting device includes a valve stage, an axial rod set, a resilient body and a lid. The valve stage includes an axial sleeve, and the axial sleeve includes an air inlet pipe and an air outlet pipe extended therefrom and communicated to each other. One end of the axial rod set is inserted into the axial sleeve and has operational movement. The axial rod set includes a movable rod and the movable rod includes a through hole radially through the center thereof. The resilient body is arranged in the axial sleeve and both ends of the resilient body abut against corresponding end faces of the valve stage and the axial rod set. The lid covers the valve stage and is corresponding to the axial rod set such that another end of the axial rod set extends out of the lid.
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