Safety socket

Details Safety socket Safety socket

1989-12-21

1991-04-30

Bradley, Paula A.

Electrical connectors

With contact preventer or retractable cover part

Movably mounted

439137, 439140, H01R 1344

Patent

active

050114190

ABSTRACT:
A safety socket includes a cover plate having an opening, a spring-biased stepped plate, and a base plate having a first recessed portion for fixedly receiving the cover plate and a second recessed portion within which the stepped plate is slidable. Both the stepped plate and the base plate include a respective pair of hot slots. The stepped plate includes a raised plate which is designed to cooperate with the opening of the cover plate so that the raised plate is displaceable within the opening of the cover plate from a safety position, where the pair of hot slots on the stepped plate blocks the pair of hot slots on the base plate, to a work position, where the two pairs of hot slots are aligned for receiving a plug.

REFERENCES:
patent: 2820842 (1958-01-01), Meistrell
patent: 4600258 (1986-07-01), Hu
patent: 4798916 (1989-01-01), Engel et al.

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