Highway marker

Details Highway marker Highway marker

1997-11-25

1999-09-28

Lisehora, James A.

Road structure, process, or apparatus

Traffic director

Yielding

404 14, E01F 906

Patent

active

059576170

ABSTRACT:
A reflective pavement marker includes a hollow, hermetically sealed base having a flexible top wall defining at least one downward recess. The base is installed in an opening in a roadway, with the top wall flush with the surface. In each recess there is provided a reflector unit which includes an upper portion projecting upwardly above the top of the base, and converging upwardly so that impact from a moving object will cause a camming action that urges the reflector unit downwardly. The reflector unit includes at least one light-reflective component supported and protected by the upper portion.

REFERENCES:
patent: 3836275 (1974-09-01), Finch
patent: 3901614 (1975-08-01), Overacker
patent: 4504169 (1985-03-01), Jones
patent: 4597691 (1986-07-01), Clarke
patent: 4871280 (1989-10-01), Modlin
patent: 4955982 (1990-09-01), Paulos
patent: 5069577 (1991-12-01), Murphy

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