Keying system for connector families

Details Keying system for connector families Keying system for connector families

1982-09-24

1988-11-01

McQuade, J. Patrick

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

H01R 1364

Patent

active

047816260

ABSTRACT:
Electrical connector assembly comprises a plug and a receptacle. The receptacle has a plug-receiving opening which receives the forward portion of the plug. A primary keying system is provided which permits insertion of the plug of the assembly into the opening but which precludes insertion of a similar, but more narrow, plug into the opening. A secondary keying system is provided for specifically keying the plug and receptacle to each other. The secondary keying system prevents insertion of a properly sized plug into the opening which is not intended for insertion. The primary keying system is advantageous when a series or family of connector assemblies are produced with the different assemblies of the family being generally similar but having increasing numbers of terminals and therefore increasing width.

REFERENCES:
patent: 3137537 (1964-06-01), Cole et al.
patent: 3275765 (1966-09-01), Fevdon et al.
patent: 3287031 (1966-11-01), Simmons et al.
patent: 3848950 (1974-11-01), McCormick et al.
patent: 3873172 (1975-03-01), Paullus
patent: 3915542 (1975-10-01), Schou-Kjeldsen
patent: 4210376 (1920-07-01), Hughes et al.
patent: 4331458 (1982-05-01), Liljestrand
patent: 4379606 (1983-04-01), Clark et al.

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