Safety device for selectivity track-guided or road travelling ve

Details Safety device for selectivity track-guided or road travelling ve Safety device for selectivity track-guided or road travelling ve

1988-03-11

1990-02-20

Marmor, Charles A.

Motor vehicles

Surface effect vehicles

Dynamic seal or fluid curtain

340928, 246473R, B62D 126

Patent

active

049018108

ABSTRACT:
The invention relates to a safety device for selectively track-guided or road-travelling vehicles, which safety device exhibits on the road side an optical indicator device switched by a control device and normally set to "stop" signalling. In order to permit a change of the vehicle from track-guided to non-track-guided operation only when the sensing rollers are fully retracted, the invention provides that both a monitoring device monitoring the assumed rest position of the sensing rollers and signal transmission device coupled therewith are provided on the vehicle side. The signal transmission device transmits a signal indirectly switching the optical indicator device temporarily to "go" only in the case of the sensing rollers occupying the rest position.

REFERENCES:
patent: 4554874 (1985-11-01), Thudt et al.

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