Idler rollers and method of making the same

Claim 1

AN IDLER ROLLER ASSEMBLY COMPRISING, A SHAFT SUPPORTED FOR ROTATION BY BEARING MEANS LOCATED ON THE END OF SAID SHAFT, A TUBULAR ROLLER HAVING A CYLINDRICAL EXTERNAL SURFACE AND FIRST AND SECOND END PORTIONS HAVING CYLINDRICAL INTERNAL SURFACES, A PAIR OF ANNULAR RESILIENT SUPPORT MEMBERS COAXIALLY POSITIONED WITHIN SAID TUBULAR ROLLER END PORTIONS AND CONSTRUCTED AND ARRANGED TO FIX SAID TUBULAR ROLLER TO SAID SHAFT IN COAXIAL AND NONROTATABLE RELATION THEREWITH, SAID ANNULAR SUPPORT MEMBERS EACH HAVING IN ITS UNDISTORTED CONDITION A SUBSTANTIALLY FRUSTO CONICAL CONCAVE FIRST END WALL AND A SUBSTANTIALLY FRUSTO CONICAL CONVEX SECOND END WALL, SAID ANNULAR SUPPORT MEMBERS POSITIONED ON SAID SHAFT AND WITHIN SAID TUBULAR ROLLER END PORTIONS WITH SAID SUPPORT MEMBER CONCAVE END WALLS FACING EACH OTHER, STOP MEANS TO LIMIT INWARD AXIAL MOVEMENT OF SAID ANNULAR RESILIENT SUPPORT MEMBERS RELATIVE TO SAID TUBULAR ROLLER END PORTIONS, AND RETAINING MEANS SECURED TO SAID SHAFT TO RETAIN SAID ANNULAR SUPPORT MEMBERS FROM MOVING AXIALLY OUTWARDLY ON SAID SHAFT AFTER SAID ANNULAR RESILIENT SUPPORT MEMBERS HAVE BEEN DISTORTED BY AXIAL FORCES APPLIED TO MOVE SAID ANNULAR RESILIENT SUPPORT MEMBERS AXIALLY INWARDLY ON SAID SHAFT, SAID ANNULAR RESILIENT SUPPORT MEMBERS EACH BEING IN AXIAL SHEAR BETWEEN SAID TUBULAR ROLLER AND SAID SHAFT.