US PATENT SUBCLASS 238 / 171
.~ Expansion deflectors

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

151  DF  RAIL JOINTS {28}
171.~ Expansion deflectors

DEFINITION

Classification: 238/171

Expansion-joints in which one rail end is deflected laterally by the other rail end to permit unavoidable rail-creeping.