Signals and indicators – Street traffic – Portable
Patent
1993-12-10
1995-10-31
Will, Thomas B.
Signals and indicators
Street traffic
Portable
116 28R, 116173, 248156, 248545, 40606, 40608, B60Q 700, E01F 910, A45F 344, G09F 1500
Patent
active
054620040
ABSTRACT:
An emergency warning flag system adapted to mark areas for use solely by emergency vehicles including a vertically extending, elongated flag pole having an upper end and a lower end; a flexible flag secured with respect to the upper end of the flag pole; a horizontal aperture extending diametrically through the lower end of the flag pole; a base unit formed generally in the shape of an inverted truncated cone with a vertical slot extending through the upper extent of the cone; attachment means extending downwardly from the base member for securement to the ground; a pin extending horizontally through the hole in the lower end of the flag pole and secured at its ends into the base at a central extent of its vertical slot; and a spring adapted to secure the flag pole in a vertical orientation during normal operation and use of warning motorists not to park thereadjacent, the flag being pivotable about the pin to a generally horizontal orientation when hit by a vehicle moving in contact with the pole.
REFERENCES:
patent: 1388031 (1921-08-01), Dray
patent: 1828892 (1931-10-01), Felton
patent: 4090465 (1978-05-01), Bell, Sr.
patent: 4137662 (1979-02-01), Baumer
patent: 4552089 (1985-11-01), Mahoney
patent: 4865288 (1989-09-01), Dicke et al.
patent: 5090348 (1992-02-01), Hugron
patent: 5205236 (1993-04-01), Hughes
patent: 5224310 (1993-07-01), Edwards et al.
Hirshfeld Andrew H.
Will Thomas B.
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