Embodiments relate to a one-piece, integrally formed universal backing ring comprising an integrally formed, one piece annular structure having a center opening configured to be translated over a journal of a railcar axle and engage a dust guard and a dust guard fillet of the railcar axle. The annular structure includes an inner contoured surface having a profile that is contoured for a tight surface fit with a complementary surface of the dust guard fillet. The annular structure also includes a dust guard lip which projects over the dust guard fillet and engages the dust guard. The dust guard lip has a length extending generally parallel with an axis of the annular structure, and is configured to provide a mechanical interference fit of the dust guard lip with the dust guard of 0.052-0.1875 inches with a maximum diameter of the dust guard for each Class of railcar axle.


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    Title :

    UNIVERSAL BACKING RING


    Contributors:

    Publication date :

    2022-12-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B61F Untergestelle für Schienenfahrzeuge, z.B. Fahrgestellrahmen, Drehgestelle oder Anordnungen der Radsätze , RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES



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