Patent ID: 6089166
Filing Date: 2000-07-18
Classification: B22C,B22D,B61F

Abstract:
In a bolster for use with a railway wheel truck of the type having a pair of sideframes supported on wheeled axles, the bolster to extend between the sideframes and comprising:a top wall having an interior and an exterior side;a pair of sidewalls extending down from the top wall to a bottom edge, the sidewalls having interior and exterior sides;a bottom wall extending from the bottom edges of the sidewalls, the bottom wall having an interior and an exterior side;the bolster having a central vertical longitudinal plane between the sidewalls and a vertical central transverse plane perpendicular to the central longitudinal plane;the bolster further comprising at least one longitudinal rib connecting the top and bottom walls and extending across the central transverse plane of the bolster; anda pair of spaced transverse ribs, each transverse rib connecting the top wall and the bottom wall, each transverse rib being on one side of the central transverse plane, each transverse rib being spaced from the central transverse plane and sidewalls of the bolster, and each transverse rib being connected to the longitudinal rib;the bolster having a top portion extending down from the top wall and a bottom portion extending up from the bottom wall;each transverse rib having a width in a direction generally perpendicular to the central longitudinal plane of the bolster;each transverse rib having opposite faces in the top portion and opposite faces in the bottom portion with a vertical plane passing between the opposite faces of the transverse rib from the top wall to the bottom wall of the bolster and passing through the full width of the transverse rib.