Road structure – process – or apparatus – Traffic director – Vibration inducing member
Patent
1996-09-26
1998-06-23
Lisehora, James
Road structure, process, or apparatus
Traffic director
Vibration inducing member
116 63P, E01F 906
Patent
active
057695636
ABSTRACT:
A highway warning system which is capable of being temporarily secured to the road surface and easily removed from the road surface and provides drivers with an audible and vibration warning when approaching roadway construction sites. The system being a mat or plurality of mats temporarily secured to the road surface, the mat or mat having a wave-like upper surface defined by a series of alternating wave heights and troughs which when contacted by the wheels of a vehicle provide an audible sound as well as a slight vibration thereby warning the approaching driver to be alert.
REFERENCES:
patent: 3880537 (1975-04-01), Harris et al.
patent: 5106226 (1992-04-01), Fanscow et al.
patent: 5295759 (1994-03-01), Flanders et al.
patent: 5327850 (1994-07-01), Sly et al.
patent: 5392728 (1995-02-01), Speer et al.
patent: 5515807 (1996-05-01), Speer et al.
Frayne Clifford G.
Lisehora James
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