Threadless tubing connector

Claim 1

IN A VEHICLE AIR SUSPENSION SYSTEM AN ECONOMICAL ASSEMBLY FOR EXPEDITING THE CONNECTION AND AIR-TIGHT SEALING OF TUBING HAVING AN OUTER DIAMETER OF APPROXIMATELY 1/8-1/4 INCH INTO AN AIR SYSTEM WHICH IS UNDER A PRESSURE OF AT LEAST ABOUT 90 P.S.I., SAID ASSEMBLY COMPRISING A COUPLING MEMBER HAVING A GENERALLY CYLINDRICAL OPENING THEREIN OF APPROXIMATELY TWICE THE TUBING DIAMETER IN COMMUNICATION WITH SAID AIR SYSTEM, SAID OPENING BEING DEFINED BY AN INNER SURFACE, A GENERALLY CYLINDRICAL PLUG MEMBER HAVING A TAPERED PORTION THEREOF PROJECTING ENTIRELY WITHIN SAID CYLINDRICAL OPENING AND BEING HELD THEREIN SOLELY BY FRICTIONAL ENGAGEMENT WITH SAID SURFACE, A CIRCUMFERENTIAL GROOVE ON THE TAPERED PORTION OF SAID PLUG, AN ANNULAR RESILIENT SEALING MEMBER DISPOSED WITHIN SAID GROOVE IN MUTUAL CONTACT WITH SAID PLUG MEMBER AND SAID INNER SURFACE FORMING AN INTERJACENT AIR-TIGHT SEAL, A FIRST CIRCUMFERENTIAL SHOULDER ON SAID PLUG MEMBER ENGAGING AN END SURFACE OF SAID COUPLING MEMBER FOR LIMITING THE EXTENSION OF SAID PLUG MEMBER WITHIN SAID OPENING, A SECOND CIRCUMFERENTIAL SHOUDLER ON SAID PLUG OUTSIDE SAID OPENING TO FACILITATE REMOVAL OF SAID PLUG MEMBER FROM SAID OPENING, A BORE AXIALLY EXTENDING THROUGH SAID PLUG MEMBER AND ONE END OF A LENGTH OF TUBING HAVING AN OUTER DIAMETER OF ABOUT 1/8-1/4 INCH IMPERFORATELY BONDED WITHIN SAID BORE.