Ergonomic pneumatic deadman valve
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United States of America Patent
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app pub date -
Jun 24, 2010
filing date -
Jan 24, 2006
priority date (Note) -
Abandoned
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Abstract
A lever actuated pneumatic deadman valve for use in connection with pneumatic blasting equipment is ergonomically designed to reduce fatigue and strain on the operator. The valve is shaped to fit comfortably in the hand of the operator, with a spring biased lever hinged for action to fit the natural movement of the hand. A detent button is sized and positioned for easily accommodating single-handed operation. Another important feature of the deadman valve is the reconfiguration of the valve cartridge with an offset port to produce a cyclonic flow around the spool for reducing the wear on the spool.
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