US PATENT SUBCLASS 238 / 17
GUARDRAILS

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

17GUARDRAILS {5}
18  DF  .~> Spring
19  DF  .~> Under main rail
20  DF  .~> Two-rail chair
21  DF  .~> Two-rail clamps
22  DF  .~> Spacers {1}

DEFINITION

Classification: 238/17

Rails arranged parallel to and adjacent the traction-rails to prevent the vehicle-wheels from leaving the traction-rails.