Railway draft appliances – Couplings – Counterpart
Patent
1994-04-26
1996-04-02
Oberleitner, Robert J.
Railway draft appliances
Couplings
Counterpart
213212, 213211, B61G 300
Patent
active
055032800
ABSTRACT:
An improved coupler control circuit board which can be positioned in an environmentally protected location for controlling an uncoupling operation of a mechanical type coupler mechanism utilized to connect adjacently disposed ends of a pair of passenger transit type railway cars. Such coupler control circuit board includes a power supply device connected to receive a predetermined input voltage. The power supply device reduces such predetermined input voltage received therein to a suitable predetermined output voltage. A timer/sequencer device is connected to receive as inputs thereto both such predetermined output voltage from such power supply device and an uncoupling command signal from a momentary input command for providing a pair of output signals. A first relay driver is connected to receive a first one of such pair of output signals from such timer/sequencer device for providing an uncoupling output signal, and a second relay driver is connected to receive a second one of such pair of output signals from such timer/sequencer device for providing a coupling output signal.
REFERENCES:
patent: 1403657 (1922-01-01), Van Dorn
patent: 2161724 (1939-06-01), Scharfenberg
patent: 2746615 (1956-05-01), Heimaster et al.
patent: 3724680 (1973-04-01), Hines
patent: 5152410 (1992-10-01), Ta et al.
Hanano M. Nihad
Mazur Richard J.
McGee Conley L.
Miksch E.
Oberleitner Robert J.
Rutherford Kevin D.
Westinghouse Air Brake Company
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