NAIL-PUSHING ROD RESTORING APPARATUS FOR PNEUMATIC NAIL GUN
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United States of America Patent
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N/A
Issued Date -
Apr 26, 2012
app pub date -
Oct 20, 2010
filing date -
Oct 20, 2010
priority date (Note) -
Abandoned
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Abstract
A nail-pushing rod restoring apparatus for a pneumatic nail gun includes a return air passage connected between a high-pressure main air chamber inside a gun body and a bottom cylinder chamber of a cylinder. A magnetic valve is disposed inside the gun body above the cylinder and located on the return air passage. An end of the magnetic valve is exposed inside a top cylinder chamber of the cylinder. The magnetic valve is lead by the piston to close the return air passage when the piston moves to the top of the cylinder. The magnetic valve is driven by the high-pressure air inside the top cylinder chamber to open the return air passage when the piston moves downward, so as to lead the high-pressure air inside the main air chamber to the bottom cylinder chamber to restore a nail-pushing rod after nail-pushing.
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