Adjustable pressure line coupling

Claim 1

A COUPLING COMPRISING COMPONENTS INCLUDING A BASE MEMBER HAVING A FRUSTO-SPHERICAL SEAT AND A FLUID PASSAGE COMMUNICATING WITH SAID SEAT, A TUBULAR FITTING FORMED WITH AN AXIS PASSAGE AND A HEAD PROVIDING A SPHERICAL INNER FACE PORTION MATINGLY ENGAGING SAID SEAT, A CIRCUMFERENTIALLY CONTINUOUS AXIAL THRUST TRANSMITTING RING EMBRACING SAID FITTING AND HAVING A FLAT TOP NORMAL TO ITS AXIS, ON ONE SIDE THEREOF, AND A FRUSTO-SPHERICAL PORTION, ON ITS OTHER SIDE, FACING TOWARD SAID SEAT AND MATINGLY ENGAGING A SPHERICAL OUTER FACE PORTION OF SAID HEAD, A PAIR OF SYMMETRICAL SPLIT CLAMP SECTORS RESPECTIVELY ENGAGING OPPOSITE SIDES OF SAID THRUST TRANSMITTING RING, EACH SECTOR HAVING A MASSIVE, RIGID, SEMI-CIRCULAR PORTION AND A FLANGE AT EACH END THEREOF, EACH SECTOR HAVING A SEMI-CYLINDRICAL INNER FACE, SIZED AND CONFIGURATED TO EMBRACE AND ENCLOSE ONE-HALF OF THE PERIPHERY OF THE THRUST TRANSMITTING RING, AND AN ARCUATE LIP OVERHANGING SAID INNER FACE IN POSITION TO CLAMPINGLY ENGAGE THE FLAT TOP OF THE RING AT AN INWARDLY OF ITS SAID PERIPHERY, SAID RING BEING ADAPTED TO FUNCTION IN HOOP TENSION BY ABSORBING RADIAL COMPONENTS OF THRUST APPLIED THEREON BY SAID HEAD, THEREBY APPLYING ONLY AXIAL THRUST UPON THE LIPS OF SAID CLAMP SECTORS, AND A BOLT EXTENDING THROUGH EACH OF SAID FLANGES AND SECURED TO SAID BASE MEMBER TO CLAMP THE COUPLING COMPONENTS TOGETHER.