Patent ID: 7568584

Claim:
A rail car coupling assembly comprising: a draft sill having a front end, a back end, a top, and two side walls, the side walls extending downward from the top in spaced relation to form a draft gear pocket between the side walls and the top, a front stop on each side wall adjacent the front end, a rear stop on each side wall longitudinally spaced from the front stops, a mounting flange extending from the bottom of each of the side walls; a liner in the draft gear pocket, the liner comprising a sheet of a polyethylene material, the sheet aligned with and adjacent to one of the two side walls, the sheet on the top of the draft sill and extending to a position proximate to the mounting flange on the one of the two side walls, a carrier plate transversely mounted between the two side walls on the mounting flange, the liner further comprising a second sheet of polyethylene material, the second sheet adjacent a second of the two side walls, the liner held in place between the top and the carrier plate, the liner intermediate the front stop and the rear stop.