Method and apparatus for piston-actuated elastomer probe seal in a hydraulic coupling member
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United States of America Patent
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Mar 4, 2014
Grant Date -
Apr 12, 2012
app pub date -
Dec 16, 2011
filing date -
Jun 18, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A female hydraulic coupling member has an elastomer probe seal molded to or abutting a ring-shaped metal base which is adapted to exert a compressive force on the probe seal when exposed to hydraulic fluid pressure. The compressive force causes the seal to expand in a radial direction thereby increasing its sealing effectiveness. A retainer nut for holding the seal in the receiving chamber may have an angled surface which acts to urge the seal in an inward, radial direction when an axial, compressive force is applied to the seal.
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