Rotatable electrical connector for coiled telephone cords

Details Rotatable electrical connector for coiled telephone cords Rotatable electrical connector for coiled telephone cords

H - Electricity

01

R

339/3

H01R 39/08 (2006.01) H01R 39/64 (2006.01) H04M 1/02 (2006.01)

Patent

CA 1214529

ROTATABLE ELECTRICAL CONNECTOR FOR COILED TELEPHONE CORDS ABSTRACT This low friction rotatable electrical connector is for use with coiled telephone cords to prevent the cord from becoming twisted and knotted-up during use. This connector is generally of insulating material formed with a hollow housing having a first electrical female socket built into one end wall, and a circular opening in the opposite end wall for supporting a rotor assembly that is also of insulating material. The free end of the rotor assembly has a male phone plug, The innermost end of the rotor assembly has an enlarged head with a transverse face supporting a plurality of concentric electrical contact rings that are insulated from each other. A circuit board is clamped within the housing, and it has a first plurality of spring wire contacts that are each urged into continuous wiping contact with a separate one of the concentric rings. A second plurality of spring wire contacts are mounted to the circuit board within the female socket for making contact with a standard male phone plug. The housing is provided with partitions to provide spacers between the first plurality of spring wires and separate partitions for providing spacers between the second plurality of spring wires so as to retain these contact elements in place. The location of this rotatable connector relative to the coiled telephone cord has many possibilities. The connector can be at either end of the cord, or intermediate the length of the cord, or built into the handset. -1-

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