Quick coupling for hydraulic fluid pipes
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United States of America Patent
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Jan 30, 2007
Grant Date -
Jul 13, 2006
app pub date -
May 19, 2004
filing date -
May 20, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a quick-connect coupling for hydraulic fluid conduits. The inventive coupling consists of a male element and a female element comprising an outer tubular part and a mobile coupling part. In addition, joints are provided between the tubular parts and define chambers. According to the invention, during the coupling phase, one hydraulically-pressurised chamber can be communicated with an atmospheric pressure chamber, using at least one longitudinal groove or similar element which is disposed in the tubular coupling part or in the outer tubular part.
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