Interlocking hose end fitting

Claim 1

A TWO-ELEMENT HOSE END FITTING ASSEMBLY CONFIGURED FOR INTERLOCKING FIXED ATTACHMENT TO THE END PORTION OF A HOSE COMPRISING: (I) A FIRST FITTING ELEMENT FORMED TO RECEIVE THE HOSE END AND HAVING AN AXIAL BORE EXTENDING THERETHROUGH; (A) AN INTEGRAL ANNULAR SUBSTANTIALLY CYLINDRICALLY SHAPED EXTENDED PORTION OF SAID FIRST ELEMENT AXIALLY EXTENDING THEREFROM, SAID EXTENDED PORTION HAVING A UNIFORM OUTER DIAMETER SUBSTANTIALLY THROUGHOUT ITS LENGTH; (B) AN INTEGRAL FLANGE PORTION OF SAID FIRST ELEMENT EXTENDING AXIALLY THEREFROM AND SURROUNDING AN RADIALLY SPACED FROM THE EXTENDED PORTION TO DEFINE WITH SAID EXTENDED PORTION AN ANNULAR CAVITY WHICH IS FORMED AXIALLY INTO AND TERMINATES WITHIN SAID FIRST ELEMENT; (C) A CENTRAL RAISED PORTION FOR SAID FIRST FITTING ELEMENT OF INCREASED THICKNESS DEFINING AT LEAST A PORTION OF SAID FLANGE IN WHICH SAID CAVITY TERMINATES, SAID RAISED PORTION EXTENDING BEYOND THE CAVITY TERMINATION TO PROVIDE AN EXTENDED GRIPPING LENGTH; AND (D) AN ANNULAR RECESS IN SAID FLANGE PORTION OPENING INTO SAID CAVITY; AND (II) A SECOND FITTING ELEMENT CONFIGURED FOR CO-AXIAL ALIGNMENT WITH SAID FIRST ELEMENT AND HAVING AN AXIAL BORE THEREIN OF SUFFICIENT DIAMETER TO FIT OVER THE END PORTION OF THE HOSE TO BE ATTACHED THERETO AND FORMED TO FIT INTO SAID ANNULAR CAQVITY WITH THE HOSE END PORTION; (A) AN INTEGRAL CIRCUMFERENTIALLY CONTINUOUS CYLINDRICAL STEM PORTION OF SAID SECOND FITTING ELEMENT EXTENDING AXIALLY THEREFROM TO A LENGTH SUBSTANTIALLY EQUAL TO THE AXIAL DEPTH OF THE CAVITY AND HAVING AN OUTSIDE DIAMETER LARGER THAN THE INSIDE DIAMETER OF SAID FLANGE PORTION, SAID STEM PORTION HAVING A SUFFICIENTLY SMALL CROSS-SECTIONAL THICKNESS SO AS TO PERMIT RADIAL DISPLACEMENT INTO THE CAVITY TOWARD SAID EXTENDED PORTION BY THE FLANGE PORTION UPON BEING FORCE FITTED INTO SAID CAVITY BUT OF SUFFICIENTLY LARGE CROSS-SECTIONAL THICKNESS SO THAT THE COMBINED THICKNESS OF THE STEM PORTION AND THE UNCOMPRESSED HOSE IS GREATER THAN THE RADIAL DISTANCE BETWEEN THE EXTENDED PORTION AND FLANGE PORTION TO COMPRESS THE HOSE END PORTION RADIALLY BETWEEN IT AND SAID EXTENDED PORTION AND THEREBY MAINTAIN THE TWO ELEMENTS INTERLOCKED IN FIXED ATTACHMENT WITH A HOSE SOLELY BY THEIR DIMENSIONAL CONFIGURATION, AND (B) A RADIALLY RAISED PORTION ON SAID STEM PORTION WHICH ENGAGES IN POSITIVE INTERLOCK WITHIN SAID ANNULAR RECESS WHEN SAID ELEMENTS ARE FITTED TOGETHER TO PREVENT AXIAL DISPLACEMENT OF THE ELEMENTS RELATIVE TO EACH OTHER.