Patent ID: 7100837

Claim:
A rail seat having a rail pad adapted to lie on a rail tie that supports a rail between rail fastening support shoulders and which includes: a) a pair of transversely oriented rail fastening support shoulders mounted on said rail tie in spaced relationship to respective base edges of the rail, each shoulder having a surface confronting the rail base edge and lateral surfaces extending away from the rail base edge; b) a generally rectangular rail pad positioned on said tie, between said shoulders, the pad having projections at each corner of the pad, each projection including a raised thickened portion abutting a respective lateral surface of the support shoulder; c) an insulator having a post portion lying between the rail confronting face of the support shoulder and an edge of the rail pad that underlies a respective base edge of the rail; d) wherein each support shoulder has a projection extending from each said lateral surface thereof for abutting an outward surface of the raised thickened portion of the rail pad thereby locating the pad in a position to accommodate the post portion of the insulator.