Road structure – process – or apparatus – Traffic director – Vibration inducing member
Patent
1990-07-18
1992-04-21
Novosad, Stephen J.
Road structure, process, or apparatus
Traffic director
Vibration inducing member
404 35, 116 63P, E01F 900, G08B 300
Patent
active
051062267
ABSTRACT:
A warning system construction for slowing traffic by alerting a driver of impending danger, said construction including a supporting base structure such as a mounting frame having longitudinal spaced apart main frame members and a plurality of cross members fixed to said longitudinal members in longitudinal spaced apart relationship with raised segments mounted on selected cross members to engage the tires of a vehicle to notify the driver of impending danger.
REFERENCES:
patent: 3254576 (1966-06-01), Metelka
patent: 4135839 (1979-01-01), Engwall
patent: 4362424 (1982-12-01), Barber
patent: 4542709 (1985-09-01), Spaugh
patent: 4687370 (1987-08-01), Knowles
patent: 4813811 (1989-03-01), Adams
Fanslow Charles E.
Hollander Mark A.
Adams John W.
Novosad Stephen J.
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