Valve operating between telescopic components with O-ring seals

Mechanical guns and projectors – Fluid pressure – With control for discharge of fluid pressure

Reexamination Certificate

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C251S325000, C251S900000

Reexamination Certificate

active

07398777

ABSTRACT:
A valve for communicating a source14of compressed fluid with an opening13of an adjacent chamber12in a sleeve11comprises a circumferentially separated array of depressions15in the outer periphery of a bolt10. Areas19and20of the bolt periphery between the depressions15serve to support the radially inner side of an O-ring seal16when the latter is aligned with the depressions.

REFERENCES:
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patent: 5297777 (1994-03-01), Yie
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patent: 5538042 (1996-07-01), Baland
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patent: 5769066 (1998-06-01), Schneider
patent: 5881707 (1999-03-01), Gardner, Jr.
patent: 6516791 (2003-02-01), Perrone
patent: 6644295 (2003-11-01), Jones
patent: 7185646 (2007-03-01), Jones
patent: 2005/0115554 (2005-06-01), Jones

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