Metal tactile edge-warning strip

Details Metal tactile edge-warning strip Metal tactile edge-warning strip

1991-05-24

1993-06-08

Bui, Thuy M.

Road structure, process, or apparatus

Traffic director

Vibration inducing member

434113, 340407, E01F 1100

Patent

active

052173194

ABSTRACT:
A tactile edge-warning strip made from a sheet-metal strip having a series of projections formed in the strip to present an uneven surface for tactile feedback. The upper surface is covered with a roughened coating to inhibit slipping. The strip further includes an angled strip edge portion for anchoring the strip edge into the surface to which it is fixed to inhibit lifting of the strip from the surface.

REFERENCES:
patent: 1696510 (1928-12-01), Wallace
patent: 1698594 (1929-01-01), Hoff
patent: 1932206 (1933-10-01), Estes
patent: 2031396 (1936-02-01), Voight
patent: 4127346 (1978-11-01), Bouffard
patent: 4404778 (1983-09-01), Ushimaru
patent: 4620816 (1986-11-01), Kupfer
patent: 4715743 (1987-12-01), Schmanski
patent: 5086287 (1992-02-01), Nutzel
Tactile Edge Warning System Evaluation, Toronto Transit Commission, Sep. 18, 1990.

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