US PATENT SUBCLASS 104 / 101
.~ Longitudinal pivot

Current as of: June, 1999
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104 /   HD   RAILWAYS

96  DF  TROLLEY TRANSFER {9}
101.~ Longitudinal pivot

DEFINITION

Classification: 104/101

(under subclass 96) Devices comprising switch or frog pieces having horizontal axes running longitudinally of the track, so that the pieces may swing in vertical planes transversally to the track.