Bolster with improved brake assembly mounting arrangement

In a railway vehicle truck bolster including a top web, a center plate located substantially intermediate the ends thereof and walls depending from said top web, a brake assembly mounting arrangement for mounting the brake assembly on said bolster, said mounting arrangement comprising three separate circular raised bosses disposed in a triangular pattern projecting from each of said side walls, said bosses terminating in flat exterior surfaces lying in a common plane parallel to the longitudinal axis of said bolster, and a bore formed in each of said bosses for receiving bolts of nut and bolt assemblies used to fasten said brake assembly to said bolster, said bosses having flat interior surfaces that are in planar alignment with the bosses flat outer surfaces to provide separate seats for each of said nut and bolt assemblies.