Universal rectangular base bulb adapter for providing...

Details Universal rectangular base bulb adapter for providing... Universal rectangular base bulb adapter for providing...

H - Electricity

01

K

H01K 9/00 (2006.01) B60Q 1/30 (2006.01) H01K 1/62 (2006.01)

Patent

CA 2154987

An improved adapter bulb is provided for inserting within a rectangular base tail light socket of a powered vehicle for providing external electrical connection to a trailer lighting system. The adapter bulb includes a base member adapted to be disposed within a rectangular base tail light socket. The base member terminates in a rec- tangular contact portion having four electrical leads disposed substantially at each corner thereof thereby forming two pairs of substantially diagonally opposed electrical leads. A bulb is secured within the base member, and includes two filaments. Each filament is connected to one pair of the two pairs of substantially diagonally opposed electrical leads, that is, in a criss- cross relationship. Four wire leads are respectively joined, at one end, to one of the electrical leads, and at the other end to a diode. Two connectors for communicating with the trailer lighting system are each respectively joined to two of the four diodes, thereby defining two pairs of wire leads. Each pair of wire leads is connected to the same pair of electrical leads as one of said fila- ments. In another aspect of the invention, the four wire leads each connected to one of the electrical leads have, at their respective second ends, a connector for communi- cating with the trailer lighting system.

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