US PATENT SUBCLASS 238 / 191
.~.~.~ Base-bolted

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

151  DF  RAIL JOINTS {28}
187  DF  .~ Chair {3}
188  DF  .~.~ Twin {5}
191.~.~.~ Base-bolted

DEFINITION

Classification: 238/191

The chair parts are secured together by bolts or other fastenings under the rail-base and also girder-type twin chairs which engage the bottom of the rail and have the girder-flanges connected.

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