Air gun
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United States of America Patent
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Nov 15, 1994
Grant Date -
N/A
app pub date -
Oct 15, 1992
filing date -
Oct 15, 1992
priority date (Note) -
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Abstract
The invention provides an air gun responsive to a supply of compressed gas, which facilitates rapid acceleration of a shuttle member to selectively actuate the air gun. The air gun includes a primary firing chamber which receives compressed gas in order to move the shuttle valve member to its full open position. The air gun also includes an initial acceleration chamber which provides an additional piston surface during the initial movement of the shuttle valve member so as to optimumly accelerate the valve member. This results in improved firing time repeatability.
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