Hose connector fittings

Claim 1

A COUPLING FOR HIGH PRESSURE HOSES COMPRISING: A COUPLING MEMBER HAVING A CENTRAL BODY PORTION WITH A NIPPLE AT ONE END AND A COUPLING BOSS AT THE OPPOSITE END; A TOOL RING ENCIRCLING SAID BODY PORTION HAVING CIRCUMFERENTIALLY SPACED RECESSES THEREIN; AN ANNULAR ABUTMENT SHOULDER ON SAID BODY PORTION BETWEEN SAID TOOL RING AND SAID BOSS HAVING A CYLINDRICAL SIDE WALL AND A FLAT ANNULAR EDGE; A NIPPLE SHOULDER ON SAID NIPPLE ADJACENT SAID BODY PORTION; AND A COUPLER FOR CONNECTING A HOSE TO SAID NIPPLE BY MEANS OF A BAND-CLAMP, SAID COUPLER COMPRISING: A CIRCULAR WALL HAVING A CIRCULAR OPENING THEREIN RECEIVING SAID COUPLING BOSS AND SEATING IN ABUTMENT AGAINST SAID ANNULAR ABUTMENT SHOULDER WITH SAID WALL SEATING AGAINST SAID CYLINDRICAL SIDE WALL; AN UPSTANDING FLANGE ON SAID WALL SEATING OVER SAID FLAT ANNULAR EDGE; A PLURALITY OF ELONGATE RETAINER ARMS ATTACHED TO SAID FLANGE SEATING IN SAID RECESSES; AND INSET PORTIONS IN EACH OF SAID ARMS BETWEEN ITS FREE END AND ITS POINT OF ATTACHMENT TO SAID FLANGE CONSTRUCTED TO RECEIVE A BAND-CLAMP FOR CLAMPING SAID ARMS TO A HOSE OVER SAID NIPPLE, SAID INSET PORTION BOUNDED BY AN EXTERNAL SHOULDER ON THE SIDE NEAREST SAID FLANGE, SAID FREE END BENT OUTWARDLY TO FORM THE OTHER BOUNDARY OF SAID INSET PORTION, SAID EXTERNAL SHOULDER BEING LOCATED A DISTANCE FROM SAID FLANGE SO THAT IT REGISTERS WITH SAID NIPPLE SHOULDER.