Adapter unit for trailer light system

Details Adapter unit for trailer light system Adapter unit for trailer light system

1987-04-08

1988-06-14

Moore, David K.

Electric lamp and discharge devices: systems

Special application

Vehicle

315 82, 315 83, 315191, 307 10LS, 340 81R, B60Q 102

Patent

active

047514310

ABSTRACT:
An adapter unit for interfacing the existing brake and turn signal light system of a vehicle with the light system of a trailer. The adapter unit includes a first relay having a single coil and a pair of contacts relatively movable to a closed circuit condition in response to energization of the coil and biased to an open circuit condition. A second relay has a single coil and a pair of contacts also relatively movable to a closed circuit condition in response to energization of its coil and biased to an open circuit condition. The coils are interconnected with the vehicle light system. The contacts are interconnected with the trailer light system and are also connected to the vehicle battery through a different circuit than the one including the turn signal flasher of the vehicle.

REFERENCES:
patent: 3882452 (1975-05-01), Stevens
patent: 3883845 (1975-05-01), Devita
patent: 3896415 (1975-07-01), Carter
patent: 4006453 (1977-02-01), Bryant
patent: 4064413 (1977-12-01), Andersen

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