Safety power receptacle with hot wire switch-through

Details Safety power receptacle with hot wire switch-through Safety power receptacle with hot wire switch-through

1987-12-21

1989-10-03

Roskoski, Bernard

Electrical transmission or interconnection systems

Plural supply circuits or sources

Connecting or disconnecting

307125, 307 38, 307 66, 361 93, H02J 110

Patent

active

048719242

ABSTRACT:
Safety power outlet connected to a plurality of power lines and arranged to receive the prongs of a matching multi-pronged power plug has a receive terminal connected to each power line. The receive terminal is arranged to receive a corresponding prong of the power plug which upon insertion into the terminal operates a switch associated with each terminal. All switches are connected in series, and upon complete insertion of all the prongs, the series connected switches generate a connect signal which activates a power connection device that applies power to all high potential prongs, which in turn activates the external circuit connected to the power plug.

REFERENCES:
patent: 3416001 (1968-12-01), Fistell
patent: 4054802 (1977-10-01), Mock
patent: 4059843 (1977-11-01), Girismen
patent: 4437018 (1984-03-01), Manley
patent: 4466046 (1984-08-01), Barthel et al.
patent: 4575640 (1986-03-01), Martin
patent: 4675537 (1987-06-01), Mione

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