Motorized tire barrier and signal barrier traffic-way controller

Details Motorized tire barrier and signal barrier traffic-way controller Motorized tire barrier and signal barrier traffic-way controller

1980-06-19

1982-03-02

Caldwell, Sr., John W.

Communications: electrical

Digital comparator systems

340 45, 340 51, 340114B, 340130, 340138, 246292, 116 52, G08G 102, E01F 1100

Patent

active

043180795

ABSTRACT:
A motorized traffic-way controller wherein a retractile tire barrier and opening gate barrier are coordinated to operate in unison by a motor drive that is recycled by closing a mode switch through cam controlled "stop" and "go" switches responsive to the position of the motor drive, the installation being above grade with low profile modules having retractile tooth configurations that projects for tire damage, and with a signal barrier supported by a drive unit at the side of the traffic-way and in the form of an arm that is lifted when the tooth configuration is retracted, the modules and drive unit being adapted to coupled engagement one with the other when assembled.

REFERENCES:
patent: 2795875 (1957-06-01), Nutter et al.
patent: 2842876 (1958-07-01), Chicoine et al.

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