Electrically controlled safety mechanism for highway exit ramp

Details Electrically controlled safety mechanism for highway exit ramp Electrically controlled safety mechanism for highway exit ramp

E - Fixed Constructions

01

F

342/17.2

E01F 13/00 (2006.01) E01F 13/06 (2006.01) E01F 13/10 (2006.01) G08G 1/00 (2006.01) G08G 1/07 (2006.01)

Patent

CA 1159538

ABSTRACT OF THE DISCLOSURE An electrically controlled safety mechanism for a highway exit ramp for detecting vehicle movement in the wrong direction, including a series of electrically controlled detection devices provided within the roadway, a warning member and support housing for the mechanism located adjacent to the roadway, and some distance beyond the road bed located detection devices, the warning member of the housing being pivotally mounted with respect to its base and capa- ble of disposition in a nonoperative vertical position, but pivotal into a hori- zontal position when the detection devices sense the presence of a vehicle trav- eling in the wrong direction, a motor, brake, and speed reducer associated with the housing, for operation of the warning member, and for initiating its pivotal movements, the circuitry of this device including time operative electrical re- lay and electrical controller relays connected together for providing timed op- erations to the said motor and related mechanisms, so that the warning member will be conveniently pivoted into its operative and vehicle impeding position when a wrong way vehicle has been detected, and remain in such position for a segment of time, and then returned to its upright position after the hazardous condition has theoretically been alleviated.

382187

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