Traffic control sign

Details Traffic control sign Traffic control sign

2005-10-18

2005-10-18

Trieu, Van T. (Department: 2636)

Communications: electrical

Traffic control indicator

C340S908000, C340S931000

Reexamination Certificate

active

06956502

ABSTRACT:
A traffic control sign is provided which automatically unfolds and displays the message STOP and displays flashing messages SIGNAL OUT and 4 WAY upon power failure to traditional traffic lights. The traffic control sign includes a pair of sign plates hingedly attached by a pair of hinges. An enfolding assembly is utilized to rotatably enfold and electromagnetically hold the pair of sign plates to a folded position upon resumption of power. The traffic control sign is adapted to be mounted to existing cable or a circular pipe component used for related traditional traffic signal fixtures.

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patent: 6693556 (2004-02-01), Jones et al.
patent: 6707389 (2004-03-01), Pederson

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