Twist-type electrical connector with safety interlock

Details Twist-type electrical connector with safety interlock Twist-type electrical connector with safety interlock

1974-10-15

1976-03-23

Lake, Roy

Geometrical instruments

339181C, 339189R, H01R 1354

Patent

active

039457028

ABSTRACT:
The present invention relates to a twist-type electrical connector having an improved interlock. In the connector, a plug and a receptacle are rotated angularly relative to each other to bring electrical contacts into engagement and to prevent accidental separation of the plug and receptacle. Entrance slots in the receptacle receive the male blades and carry detents which engage with a rear edge of at least one of the male blades and hold the blade in its seated or rotated position. The detents also provide an indication as to when proper connections have been established and also, prevent accidental counterrotation of the contacts.

REFERENCES:
patent: 3123423 (1964-03-01), Schmitt
patent: 3292135 (1966-12-01), Robinson

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