Air cylinder for pneumatic tool
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United States of America Patent
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Aug 11, 2009
Grant Date -
Apr 17, 2008
app pub date -
Oct 13, 2006
filing date -
Oct 13, 2006
priority date (Note) -
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Abstract
An air cylinder for pneumatic tool includes a cylinder body, and front and rear cylinder caps covered onto two ends of the cylinder body. The cylinder body defines a cylinder chamber for mounting a rotor therein, and has an air passage with two open ends of the passage respectively located at two ends of the cylinder body. The rear cylinder cap is provided with an air inlet that is aligned with the air passage and has an inner end communicable with the cylinder chamber. A guide opening is formed on an inner end surface of the front cylinder cap to communicate the air passage with the cylinder chamber. At least one of the two cylinder caps is provided with a plurality of exhaust holes communicating with the cylinder chamber for discharging exhaust air.
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