Apparatus for controlling the direction of vehicular traffic mov

Details Apparatus for controlling the direction of vehicular traffic mov Apparatus for controlling the direction of vehicular traffic mov

1991-03-11

1993-03-09

Britts, Ramon S.

Road structure, process, or apparatus

Traffic director

Yielding

49 49, E01F 900, E01F 1300

Patent

active

051921588

ABSTRACT:
Apparatus for controlling the direction of traffic flow wherein a plurality of rotationally mounted levers have a free end extending upwardly from the road surface. The levers are provided with removable spikes which rotate therewith to damage tires when the levers are rotated in one direction. The free end of each lever is provided with a rotationally mounted low friction contact member which contacts the adjacent surface of the tire and moves along the surface thereof. Envelopment of the free end of the lever by the tire and the coerced rotation thereof in the wrong direction do not occur. As a result, the failure of the corresponding spike to damage a tire when the vehicle is moving in the wrong direction is thereby avoided.

REFERENCES:
patent: 1563637 (1925-12-01), Lundbald
patent: 3783558 (1974-01-01), Keator
patent: 4158514 (1979-06-01), Dickinson
patent: 4325651 (1982-04-01), Szegi

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