Resilient boot seal

Claim 1

IN COMBINATION WITH A JOINT ASSEMBLY INCLUDING A SOCKET HOUSING A FRUSTO-CONICAL CONFIGURATION HAVING AN EXTERNAL SURFACE INCLUDING AN ANNULAR RADIALLY EXTENDING PLANAR END PORTION OF SUBSTANTIAL EXTENT DEFINING AN APERTURE, A DOWNTUREND AXIALLY EXTENDING ANNULAR CONICAL SIDEWALL PORTION AND AN ANNULAR SMOOTHLY ROUNDED SHOULDER JOINING SAID PORTIONS, A STUD TILTABLY AND ROTATABLE MOUNTED IN SAID HOUSING AND HAVING A SHANK EXTENDING THEREFROM, AND PASSING THROUGH SAID APERTURE, AND A CONNECTING MEMBER SECURED TO SAID SHANK HAVING A LOWER RADIALLY EXTENDING PLANAR SURFACE OF SUBSTANTIALLY THE SAME EXTENT AS SAID FIRST-MENTIONED PLANAR SURFACE PORTION, THE PLANAR SURFACES OF SAID MEMBER AND OF SAID HOUSING INWARDLY OF SAID SHOULDER BEING IN SPACED CONFRONTING RELATIONSHIP, A BOOT SEAL MOUNTED ON SAID STUD BETWEEN SAID PLANAR SURFCES TO SEAL SAID JOINT ASSEMBLY, SAID BOOT SEAL COMPRISING AN INTEGRAL STRUCTURE, AN OPENENDED ANNULAR BODY SYMMETRICAL ABOUT ITS AXIS AND HAVING A NARROW THROAT PORTION SEALINGLY ENGAGING SAID STUD, AND AN UPWARDLY AND RADIALLY OUTWARDLY FLARED CUP PORTION EXTENDING FROM SAID THORAT PORTION AWAY FROM SAID AXIS AND SEALINGLY ABUTTING SAID MEMBER PLANAR SURFACE IS EXTENDED FACE-TO-FACE CONTACT THEREWITH, A RADIALLY OUTWARDLY EXTENDING PLANAR PORTION ALSO EXTENDING FROM SAID THROAT PORTION IN EXTENDED SURFACE ABUTTING RELATIONSHIP WITH SAID HOUSING PLANAR SURFACE AND SAID PLANAR PORTION TERMINATING IN AN AXIALLY DOWNTURNED ANNULAR SKIRT PORTION RESILIENTLY IN AN AXIALLY SAID HOUSING SHOULDER AND SAID ANNULAR CONICAL PORTION, SAID SKIRT PORTION BEING INHERENTLY RESILIENT AND INITIALLY RADIALLY INWARDLY FLARED TOWARD SAID AXIS SO AS TO ENHANCE ITS GRIPPING ENGAGEMENT WITH THE SIDEWALL AND SAID HOUSING BELOW SAID SHOULDER TO SEALINGLY ENCLOSE SAID SHOULDER DUE TO THE INHERENT ELASTICITY OF SAID SKIRT PORTION.