Railways – Switches – For toothed rail
Patent
1990-06-19
1991-10-29
Oberleitner, Robert J.
Railways
Switches
For toothed rail
104304, E01B 704
Patent
active
050605755
ABSTRACT:
An overhead suspended track mounted vehicle guidance system having an active on board station selection system and a passive non switching track. The slotted track includes an interiorly depending turn vane for guiding the guide wheel of the vehicle mounted guidance system. The system includes provision for fail safe operation wherein a mechanical interlock automatically assures next station selection in the event of guidance system failure.
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patent: 3712238 (1973-01-01), Colovas et al.
patent: 3759187 (1973-09-01), Gayot
patent: 3946974 (1976-03-01), Stiefel et al.
patent: 4015539 (1977-04-01), Hamada
patent: 4203369 (1980-05-01), Perrott
patent: 4214535 (1980-07-01), Gerhard
patent: 4290367 (1981-09-01), Brause et al.
Hallett Stanley J.
Hallett Thomas E.
Le Mark T.
Oberleitner Robert J.
Pathfinder Systems, Inc.
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