Railways – Suspended – Single-rail type
Patent
1989-08-07
1991-12-24
Butler, Douglas C.
Railways
Suspended
Single-rail type
104130, 104139, 105150, B61B 300
Patent
active
050742205
ABSTRACT:
A preferred embodiment of an overhead monorail rapid transit system (10) has a tubular enclosed guideway (12) that is supported above ground level by elevational supports (14). At various locations the guideway splits from a mainline guideway (16) to a secondary guideway (18 and a switching segment (20). The system includes a self-propelled transit vehicle (50) having a carriage or trolley (52) that is mounted within the enclosed guideway with a coupling (54) supporting a depending passenger compartment. The carriage (52) includes a central frame with front and tandem rear whel assemblies and an intermediate stabilizing wheel that engages the upper portion of the inside of the guideway for stabilizing the carriage and passenger compartment to minimize lateral movement. To turn the carriage from the mainline guideway onto the secondary guideway, an actuator (128) is activated to raise guide rollers (124 and 126) elevationally to cause the rollers to engage a side cam surface for deflecting the guide rollers laterally in an opposite direction to pivot the front wheel to turn the carriage onto the secondary guideway.
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Butler Douglas C.
Morano S. Joseph
Pressman David
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