Railways – Switches – For toothed rail
Patent
1976-09-17
1978-05-16
Hoffman, Drayton E.
Railways
Switches
For toothed rail
104102, 104119, E01B 2512
Patent
active
040892700
ABSTRACT:
A personal transportation system including a guideway of channel members submerged beneath the ground with an opening along the ground line, the guideway including an intersection, a rail running along the base of the channel members for supporting wheeled, passenger carrying vehicle thereon, and a steering system for selectively steering the vehicle through the intersection and into one of at least two guideway sections leading from the intersection. The steering system includes a probe extending forward of the vehicle and a guide member in the form of a vane associated with the guideway such that the probe contacts the guide member causing the guide member to move to a position wherein the vehicle is selectively guided through the intersection and into one of the guideway sections leading from the intersection, such guidance being accomplished by orienting the probe relative to the guide member such that the latter is moved to a position which provides positive guidance of the vehicle into the desired exiting guideway section. The vehicle is provided with controls manually or remotely operable to command operation of the vehicle. The opening of the guideway is provided with a cover in the form of a pair of flaps which meet in a puckered relationship at the center line of the channel opening. The cover is constructed to prevent debris from falling into the channel in normal use. The flaps are pushed apart by the vehicle as it travels and upon passing the flaps return to their puckered relationship.
REFERENCES:
patent: 3073259 (1963-01-01), Peterson
patent: 3263073 (1966-07-01), Westerweel
patent: 3451350 (1969-06-01), Bryson
patent: 3769915 (1973-11-01), Swartz
patent: 3793959 (1974-02-01), Levenberger
patent: 3838648 (1974-10-01), Dahlberg et al.
patent: 3841226 (1974-10-01), Maison
patent: 3859925 (1975-01-01), Hartz
Dahlberg Industries
Hoffman Drayton E.
Rowold Carl
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