Safety traffic controller

Details Safety traffic controller Safety traffic controller

1978-06-16

1979-06-19

Byers, Jr., Nile C.

Road structure, process, or apparatus

Traffic steering device or barrier

E01F 1300

Patent

active

041585143

ABSTRACT:
A visible traffic controller permitting one-way and preventing wrong-way flow of vehicle traffic, and including a safety feature for the prevention of serious bodily injury to persons who might accidentally encounter the same, and comprising retractile barrier blades operated to functional position by noninjurious levers raised by soft spring action to be encountered by a vehicle tire in both the one-way and wrong-way directions of flow, and operable by a vehicle moving in the later direction to damage its tires.

REFERENCES:
patent: 1662298 (1928-03-01), Corey
patent: 1903739 (1933-04-01), Tatlock
patent: 2176285 (1939-10-01), Whiting
patent: 2762145 (1956-09-01), Rupe
patent: 2918740 (1959-12-01), Smith
patent: 3783558 (1974-01-01), Keator
patent: 3805448 (1974-04-01), Carr
patent: 4016679 (1977-04-01), Ellefson
patent: 4097170 (1978-06-01), Dickenson

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