Portable traffic signal

Details Portable traffic signal Portable traffic signal

1975-12-05

1977-06-28

Yusko, Donald J.

Communications: electrical

Selective

Having indication or alarm

340 84, B60Q 100, G08G 100

Patent

active

040328830

ABSTRACT:
A portable traffic signal for serving as a temporary traffic signal, the device being readily portable due to its weight and size so that it can be easily and quickly set up; the device includes a hermetically sealed twelve volt battery, six double lens lights, two of which are red, two of which are green and two of which are amber. A solid state battery charger, an internal timer and a choice of ground rod, tripod or suspension rod are provided.

REFERENCES:
patent: 2401940 (1946-06-01), Lange
patent: 2829362 (1958-04-01), Terrill
patent: 2838744 (1958-06-01), DeWald
patent: 2941185 (1960-06-01), Mullikin
patent: 3046521 (1962-07-01), Cantwell et al.

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