Vigilance safety control system

Details Vigilance safety control system Vigilance safety control system

B - Operations, Transporting

60

T

342/12

B60T 17/18 (2006.01) B60T 7/02 (2006.01)

Patent

CA 1206561

ABSTRACT OF THE DISCLOSURE A vigilance safety control arrangement for periodically checking the attentiveness of a trainman. The arrangement includes a pair of capacitive charging circuits connectable to a source of voltage and a pair of resistive-capacitive discharging circuits connectable to an application and indi- cation relay. An electrical toggle switch for periodically connecting one of the pair of capacitive charging circuits to the voltage source and one of the pair of capacitive dis- charging circuits to the application and indication relay for causing a magnet valve to maintain the brakes of the train in their released position.

439288

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