Patent ID: 7387074

Claim:
A railway car truck comprising two sideframes and a bolster, each sideframe having a pedestal opening at each end, each pedestal opening formed by a laterally outboard pedestal jaw, a laterally inboard vertical face and a roof section extending between the pedestal jaw and the vertical face, a first thrust lug extending at the junction of the laterally inboard vertical face and the roof section, and a second thrust lug extending at the junction of the vertical face and the roof section, a bearing adapter received in each pedestal opening, each bearing adapter comprising a generally rectangular center section having a top surface, a concave opening in opposite lateral end sections to receive a bearing, each bearing adapter having a generally rectangular opening at opposite ends of the longitudinal end sections, each opening formed by a laterally extending adapter wall end and two laterally spaced, depending adapter shoulders, an adapter pad mounted on top of the bearing adapter, the elastomeric adapter pad comprising a generally flat, generally rectangular top section that extends the lateral width of the adapter pad, and two pair of depending legs that extend downwardly from each longitudinal end of the adapter pad, the adapter pad legs being spaced laterally to form a thrust lug opening at each longitudinal end of the adapter pad, a thrust lug of each sideframe pedestal opening received in the thrust lug opening of the adapter pad, the pair of adapter pad legs at each longitudinal end of the adapter pad received in the generally rectangular opening at each longitudinal end of the bearing adapter, and wherein the pedestal opening includes a recess in the roof section extending the lateral width of the roof section of the pedestal opening; and wherein the adapter pad includes two laterally extending projections that extend upwardly, and the pedestal opening includes two complementary depressions to receive the laterally extending projections on the adapter pad.