US PATENT SUBCLASS 238 / 73
.~.~.~.~ Vertical telescope


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

29  DF  TIES {9}
54  DF  .~ Cross section {6}
70  DF  .~.~ Tubular {4}
72  DF  .~.~.~ Rectangular {6}
73.~.~.~.~ Vertical telescope


DEFINITION

Classification: 238/73

Ties of rectangular box form with overlapping side plates having vertical telescopic engagement.