Railroad warning signal device

Details Railroad warning signal device Railroad warning signal device

1977-05-12

1978-02-14

Blix, Trygve M.

Railway switches and signals

Electric automatic highway signals, mine doors, and gates

40474, 246293, 2482184, 248291, 340 47, 350 99, B61L 2924

Patent

active

040734536

ABSTRACT:
A warning device visually enhances the signalling of a dangerous situation such as an approaching train at a railroad crossing. The warning device includes oppositely rotating rims to which light reflecting discs are attached in surrounding relation to hubs fixed to the arms of a frame extending laterally from a vertical support post. Fixed light emitting surfaces are mounted on the hub facing opposite directions.

REFERENCES:
patent: 285173 (1883-09-01), Stemen
patent: 3205478 (1965-09-01), Scheg
patent: 3368215 (1968-02-01), Clement

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