Bearing seal structure

Claim 1

IN A SEAL CONSTRUCTION, A SHAFT, A ROTATABLE MEMBER MOUNTED FOR ROTATION ABOUT SAID SHAFT, SAID ROTABLE MEMBER FORMED WITH A FIRST ANNULAR RECESS ADJACENT ONE END OF SAID MEMBER, A CAP ON SAID SHAFT AT SAID END OF SAID MEMBER, SAID CAP FORMED WITH A SECOND ANNULAR RECESS DIRECTLY OPPOSITE AND FACING SAID FIRST RECESS, EACH SAID RECESS HAVING AN INNER SHOULDER AND AN OUTWARD-DIVERGING CONICAL SURFACE OUTWARD OF SAID SHOULDER, A FIRST METAL RING AT LEAST PARTIALLY DISPOSED IN SAID FIRST RECESS , A SEC OND METAL RING AT LEAST PARTIALLY DISPOSED IN SAID SECOND RECESS, SAID METAL RINGS EACH HAVING A CYLINDRICAL PORTION ENCOMPASSING SAID SHAFT AND OF GREATER DIAMETER THAN SAID SHAFT AND AN ABRUPTLY OUTWARDLY PROJECTING FLANGE ON ONE END OF SAID CYLINDRICAL PORTION, THE FLANGES OF SAID METAL RINGS BEING IN INTIMATE METAL-TO METAL SEAL ING CONTACT, A FIRST RESILIENT RING DISPOSED AROUND SAID CYLINDRICAL PORTION OF SAID FIRST METAL RING AND DISPOSED IN SAID FIRST RECESS, A SECOND RESILIENT RING DISPOSED AROUND SAID CYLINDRICAL PORTION OF SAID SECOND METAL RING AND DISPOSED IN SAID SECOND RECESS, EACH SAID RESILIENT RING BEING STRESSED IN ASSEMBLED POSITION AND SHAPED WITH A RESILIENT RING HAVING A LARGE DIAMETER OUTER CYLINSAID RESILIENT RING HAVING A LARGE DIAMETER OUTER CYLINDRICAL PORTION INTEGRALLY JOINED TO SAID MIDSECTION AND EXTENDING OUTWARD FROM SAID MIDSECTIN IN A FIRST AXIAL DIRECTION AND IN SEALING CONTACT WITH SAID CONICAL SURFACE OF THE RECESS IN WHICH SAID RESILIENT RING IS LOCATED AND TERMINATING IN A TIP BEARING AGAINST SAID SHOULDER, EACH SAID RESILIENT RING HAVING A SMALL DIAMETER INNER CYLINDRICAL PORTION INTEGRALLY JOINED WITH SAID MIDSECTION AND PROJECTING AN AXIALLY OUTWARD DIRECTION FROM SAID MIDSECTION PARALLEL AND OPPOSITE SAID OUTER CYLINDRICAL PORTION AND SEALING AGAINST THE OUTSIDE OF SAID CYLINDRICAL PORTION OF SAID METAL RING AND TERMINATING IN A TIP BEARING AGAINST THE FLANGE OF THE METAL RING ABOUT WHICH SAID RESILIENT RING IS DISPOSED, AND A COIL OF SPRING WIRE IMBEDDED IN AT LEAST ONE SAID TIP, SAID RESILIENT RINGS URGING SAID FLANGES INTO CONTACT AND FLOATINGLY MOUNTING SAID METAL RINGS APPROXIMATELY CENTRALLY RELATIVE TO SAID SHAFT, SAID RESILIENT RING DISASSEMBLED BEING LONGER IN AN AXIAL DIRECTION THAN THE DISTANCE BETWEEN SAID FLANGE AND SAID SHOULDER IN ASSEMBLED POSITION.