Pneumatic locking valve with manual override
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United States of America Patent
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-
Jun 13, 1989
Grant Date -
N/A
app pub date -
Aug 10, 1987
filing date -
Aug 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A locking valve assembly for use with air cylinder and in pneumatic circuits and including a locking valve for selectively locking air pressure in the air cylinder. The locking valve is pilot operated to provide for release of air pressure from the air cylinder and also includes a manual override apparatus for providing for release of the locking valve in the absence of pilot pressure.
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