Fluid coupling

Claim 1

IN A FLUID POINT INCLUDING A FEMALE CONDUIT HAVING AN INTERNAL CIRCUMFERENTIAL WALL TERMINATING IN AN END, AND A SHOULDER PROJECTING INWARD FROM SAID WALL; A MALE CONDUIT PROJECTING INTO THE FEMALE CONDUIT AND HAVING AN END EDGE ADJACENT TO SAID SHOULDER AND AN EXTERNAL CIRCUMFERENTIAL WALL SPACED INWARD FROM SAID INTERNAL WALL, SAID INTERNAL AND EXTERNAL WALLS AND SAID SHOULDER DEFINING A CHAMBER, SAID CONDUITS HAVING AN ANNULAR RACEWAY THEREBETWEEN; ROLLABLE MEMBERS IN SAID RACEWAY, SAID FEMALE CONDUIT HAVING MEANS FOR REMOVING SAID ROLLABLE MEMBERS FROM SAID RACEWAY, SAID MALE CONDUIT BEING FREELY SLIDABLE INTO AND OUT OF SAID FEMALE CONDUIT WHEN SAID ROLLABLE MEMBERS ARE OUT OF SAID RACEWAY; THE COMBINATION OF A RESILIENTLY DIAMETRICALLY CONTRACTIBLE RING RELEASABLY MOUNTED IN SAID INTERNAL WALL AND PROJECTING FROM SAID INTERNAL WALL INTO THE CHAMBER; PACKING MEANS IN SAID CHAMBER BETWEEN THE RING AND THE SHOULDER, SAID PACKING MEANS INCLUDING A SUBSTANTIALLY DIAMETRICALLY RIGID ANNULAR SEAL HAVING AN OUTSIDE DIAMETER GREATER THAN THE INSIDE DIAMETER OF THE RING, SAID PACKING MEANS BEING URGED BY FLUID PRESSURE INTERNALLY OF THE CONDUITS AGAINST SAID RING; AND A PLURALITY OF ROLLABLE MEMBERS IN THE CHAMBER RELEASABLY POSITIONED BETWEEN SAID SHOULDER OF THE FEMALE CONDUIT AND THE PACKING MEANS, SAID LAST-MENTIONED MEMBERS ENGAGING SAID SHOULDER OF THE FEMALE CONDUIT, SAID PACKING MEANS AND SAID INTERNAL AND EXTERNAL WALLS.