Relatively rotatable face seal with flexible backing member

Claim 1

IN COMBINATION WITH A SHAFT AND HOUSING WHERE THE SHAFT AND HOUSING ARE RELATIVELY ROTATABLE, AN ANNULAR MOUNTING MEMBER ENCIRCLING SAID SHAFT AND LOOSELY MOUNTED THEREON, SAID MEMBER INCLUDING A PORTION BOUNDED AROUND ITS OUTSIDE BY A WALL PORTION DEFINING A SHALLOW ANNULAR GROOVE AND AN ANNULAR FLARING SEATING SURFACE JOINING AT THE SMALLER DIAMETER END THEREOF WITH THE WALL PORTION DEFINING SAID GROOVE, A FLEXIBLE ANNULAR SEALING MEMBER HAVING AN INNER ANNULAR BEAD THAT WITH THE MEMBER IN A RELAXED STATE SEATS IN SIAD GROOVE, SAID SEALING MEMBER HAVING JOINED TO SAID BEAD ONE END OF AN ANNULAR WEB OF MATERIAL THAT PROGRESSES RADIALLY OUTWARDLY FROM SAID BEAD AND TERMINATED IN A REVERSELY TURNED SKIRT PORTION THAT TAPERS PROGRESSING TOWARD THE OTHER END OF THE WEB OF MATERIAL, AND A RECESS INS AID HOUSING BOUNDED BY AN ANNULAR WALL THAT SNUGLY RECEIVES SAID REVERSELY TURNED TAPERED PORTION OF SAID WEB OF MATERIAL.