Patent ID: 8590460

Claim:
A railway car truck comprising two sideframes, each sideframe having a pedestal formed on longitudinally opposite ends thereof and substantially upright columns defining a sideframe opening intermediate the pedestals and an upper section between the columns, each pedestal having a pedestal opening, a bolster transverse relative to the sideframes and having laterally opposite ends, each end extending into and supported within a sideframe opening, the bolster including an upper surface and lower surface, the bolster also including two laterally spaced side bearing pads on the upper surface of the bolster between the sideframes, a side bearing on each side bearing pad, a transom transverse relative to the sideframes and having laterally spaced opposite ends, each transom end entering into and supported within a sideframe opening, and the transom including a lower surface, a spring group in each sideframe opening that supports a respective end of the bolster, the spring group being supported at a respective end of the transom, a vertical damping cylinder connected between the bolster and the upper section of a sideframe, a lateral damping cylinder connected to the lower surface of the bolster and to the lower surface of the transom and, a bearing adapter and an elastomeric adapter pad received in each pedestal opening of each sideframe.