US PATENT SUBCLASS 238 / 173
.~ Yielding rail end

Current as of: June, 1999
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238 /   HD   RAILWAYS: SURFACE TRACK

151  DF  RAIL JOINTS {28}
173.~ Yielding rail end

DEFINITION

Classification: 238/173

Rail-joints in which provision is made to permit one rail end to yield vertically independently of the other abutting rail end.