Coupling device fitted with instantaneous or quasi-instantaneous anchor means
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United States of America Patent
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Oct 30, 2012
Grant Date -
Jun 17, 2010
app pub date -
Dec 14, 2009
filing date -
Dec 12, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A coupling device comprising a tubular body defining a channel and axially subdivided into an anchor section provided on the outside with an anchor member associated with a cover mounted on the body to have both an actuator end for actuating the anchor member and a drive end, and so as to be movable between an inactivation position and an activation position, a resilient return member urging the cover towards the activation position being mounted in a chamber defined by the cover and the body, the cover having a holder device for holding it in the inactivation position, which holder device is arranged to be declutchable when the cover is moved into a declutching position beyond its inactivation position in a direction away from the activation position, and the device including a passage for putting the chamber into communication with the well.
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