Coupling

Claim 1

A COUPLING ASSEMBLY INCLUDING A PAIR OF COOPERATING COMPLEMENTARY COUPLING COMPONENTS EACH SECURED TO ONE END OF ONE OF A PAIR OF CONDUIT SECTIONS WHICH ARE TO BE RELEASABLY COUPLED, EACH COMPONENT INCLUDING AN ANCHOR MEMBER AND A COUPLING MEMBER SLIDABLY MOUNTED UPON SAID ANCHOR MEMBERS, SEAL MEANS MOUNTED BY THE COUPLING AND ANCHOR MEMBERS FOR MAINTAINING THE COUPLING ASSEMBLY FLUID TIGHT, RETAINING MEANS MOUNTED BY THE COUPLING MEMBER AND ENGAGEABLE WITH THE ANCHOR MEMBER FOR RETAINING THE ANCHOR MEMBER WITHIN THE COUPLING MEMBER, EACH COUPLING MEMBER HAVING ON ONE END THEREOF PROJECTIONS AND RECESSES COOPERATINGLY ENGAGEABLE RESPECTIVELY WITH THE RECESSES AND PROJECTIONS ON THE COOPERATING COMPLEMENTARY COUPLING COMPONENT COUPLING MEMBER, LOCK MEANS ON AT LEAST ONE COUPLING MEMBER MOVABLE INTO SAID RECESS FOR LOCKING ENGAGEMENT WITH LOCKING SURFACES ON THE PROJECTIONS OF THE COOPERATING COUPLING MEMBER, CONTROL MEANS MOVABLY MOUNTED ON THE EXTERIOR OF SAID ONE COUPLING MEMBER AND OPERATIVELY ENGAGING THE CORRESPONDING LOCK MEANS FOR HOLDING THE SAME IN LOCKING ENGAGEMENT, A PRESSURE LOCK MEANS RESPONSIVE TO THE EXISTENCE OF FLUID PRESSURE WITHIN SAID COUPLING ASSEMBLY WHEN THE LATTER IS IN COUPLED ENGAGEMENT FOR PREVENTING OPERATION OF SAID CONTROL MEANS TO RELEASE SAID LOCK MEANS, SAID PRESSURE LOCK MEANS INCLUDING PRESSURE SURFACES ON SAID ANCHOR AND COUPLING MEMBERS EXPOSED TO FLUID PRESSURE IN SAID COUPLING MEMBERS EXPOSED TO FLUID PRESSURE IN PLING MEMBERS APART, SAID RETAINING MEANS INCLUDING A LOCKLEVER PIVOTED ON ONE OF SAID MEMBERS AND ENGAGING THE OTHER MEMBER, THE RETAINING MEANS THEREBY PREVENTING RELATIVE UNLOCKING MEANS FROM LOCKING ENGAGEMENT WITH THE LOCK MEANS AND RETAINING THE ANCHOR MEMBERS AND COUPLING MEMBERS IN ASSEMBLED RELATIONSHIP.