Emergency warning device

Details Emergency warning device Emergency warning device

1981-03-11

1984-04-03

Swisher, S. Clement

Signals and indicators

Street traffic

Portable

40602, 40903, 350 97, G08B 500

Patent

active

044401043

ABSTRACT:
An emergency warning device comprising a base, three arms extending upwardly from the base to define an equilateral triangle, one of the arms extending horizontally on the base and the other two arms extending upwardly. Each arm has reflective and fluorescent portions on opposed surfaces thereof. The fluorescent portions of said arms comprising spaced walls and each wall has at least one opening therethrough. The opening in one wall is staggered with respect to the opening in the other wall such that portions of one wall overlie the opening in the other wall and such that air striking the device flows in a sinuous path through the device reducing the drag on the device.

REFERENCES:
patent: 3625177 (1971-12-01), Miller
patent: 3759214 (1973-09-01), Evans et al.
patent: 3766881 (1973-10-01), Ward
patent: 3768187 (1973-10-01), Punne
patent: 4253085 (1981-02-01), Hidler et al.

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