US PATENT SUBCLASS 104 / 7.1
.~ Track raising car

Current as of: June, 1999
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104 /   HD   RAILWAYS

2  DF  TRACK LAYERS {11}
7.1.~ Track raising car {2}
7.2  DF  .~.~> With means to transversely shift track (i.e., aligning)
7.3  DF  .~.~> Under-track ballast sled or plow

DEFINITION

Classification: 104/7.1

Track raising car:

(under subclass 2) Apparatus comprising a track-supported vehicle which includes means to raise connected rails and ties to a higher position as it passes slowly over the track.