Flashing warning light for a traffic control device

Details Flashing warning light for a traffic control device Flashing warning light for a traffic control device

1992-01-23

1994-03-15

Peng, John K.

Communications: electrical

Traffic control indicator

Portable

340471, 340472, 340473, 340907, 340908, 116636, B60Q 700

Patent

active

052949249

ABSTRACT:
A compact, ambient light sensitive flashing warning light that is removably attached to a traffic control device to alert on-coming motorists and pedestrians of a roadway condition. A photocell is connected between a light bulb and a battery voltage source so that illumination of the bulb can be made dependent upon ambient light conditions. The warning light includes a tapered attachment leg that is sized to fit through a hole in the top of a conventional hollow traffic cone, such that the warning light is removably attached to the cone by friction. As an alternate embodiment, the warning light may be interfaced with a bracket that is adapted to be fastened to other traffic control devices such as a conventional wooden barricade.

REFERENCES:
patent: 2949531 (1960-08-01), Lemelson
patent: 2987702 (1961-06-01), Yohe
patent: 3141253 (1964-07-01), Bartram
patent: 3221300 (1965-11-01), Elledge, Jr.
patent: 3506959 (1970-04-01), Nunn
patent: 3622979 (1971-11-01), Dickerson
patent: 4516109 (1985-05-01), Thurston
patent: 4772869 (1988-09-01), Grammes et al.

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