Retractable speed bump

Details Retractable speed bump Retractable speed bump

1994-11-22

1996-04-23

Britts, Ramon S.

Road structure, process, or apparatus

Traffic steering device or barrier

404 11, 49 49, E01F 900

Patent

active

055097537

ABSTRACT:
A motorized retractable speed bump or warning device wherein the raising and lowering of the retractile is controlled by multiple remote means from signals generated by traffic conditions. The motorized retractable speed bump, wherein a retractile comprising of bi-folding hinged plates, which are elevated to present a visible obstruction to motor vehicles, and a position restraining device, operated by rotary and or linear motor drive means, by on/off manual push button switching, or through a series of Programmable Logic Controllers, by way of analog or digital signals emanating from permanently mounted speed detecting devices.

REFERENCES:
patent: 1603846 (1926-10-01), Garcia
patent: 3447429 (1969-06-01), Bowersox
patent: 3902213 (1975-09-01), Pfleger et al.
patent: 4012156 (1977-03-01), Turner et al.
patent: 4101235 (1978-07-01), Nelson
patent: 4342525 (1982-08-01), Mastronuzzi
patent: 4354771 (1982-10-01), Dickinson
patent: 4362424 (1983-07-01), Barber
patent: 4490068 (1984-12-01), Dickinson
patent: 4697294 (1987-10-01), Shafer
patent: 4752152 (1988-06-01), Crisp et al.
patent: 4775261 (1988-10-01), Fladung
patent: 4815889 (1989-03-01), Duckett
patent: 4974991 (1990-12-01), Mandavi
patent: 4995756 (1991-02-01), Kilgrow
patent: 5267808 (1993-12-01), Welford

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