Traffic lane marking device

Details Traffic lane marking device Traffic lane marking device

1989-09-21

1991-05-07

Britts, Ramon S.

Road structure, process, or apparatus

Traffic director

Attenuated lane marker type

404 14, E01F 906, E01F 908

Patent

active

050131818

ABSTRACT:
A night-visible traffic lane marking device for aircraft landing and takeoff strips, roadways and the like. The markers are installed embedded into the lane with their upper surfaces flush with the traffic surface. Reflective, fluorescent or phosphorescent elements are provided encased within a transparent uppermost layer. Each element extends vertically to provide a substantial profile for long distance visibility. The transparent covering extends a substantial distance from the reflective element in the direction of oncoming traffic, to increase long distance visibility. Night visibility of the element may be further enhanced by a self-contained, solar powered, illumination unit installed within the transparent layer.

REFERENCES:
patent: 1364950 (1921-01-01), O'Hara
patent: 3011412 (1961-12-01), Harrington
patent: 3627403 (1971-12-01), Hedgewick
patent: 4136990 (1979-01-01), Morgan
patent: 4284365 (1981-08-01), Rabinow
patent: 4292627 (1981-09-01), Knight
patent: 4303305 (1981-12-01), Jones
patent: 4383782 (1983-05-01), Pillifant, Jr.
patent: 4668120 (1987-05-01), Roberts
patent: 4685824 (1987-08-01), Eigenmann
patent: 4875799 (1989-10-01), Harrison
patent: 4955982 (1990-09-01), Paulos

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