Safety power receptacle

Details Safety power receptacle Safety power receptacle

1989-08-04

1991-02-19

Boskoski, 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

049950177

ABSTRACT:
Safety power outlet connected to a plurality of power lines, including a hot line, and arranged to receive the prongs of a matching multipronged 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 complete a power connection from the hot line to its respective prong, which in turn provides power to the external circuit connected to the power plug.

REFERENCES:
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patent: 2697212 (1954-12-01), Castelli
patent: 3416001 (1968-12-01), Fistel
patent: 3888559 (1975-06-01), Geib
patent: 4012103 (1977-03-01), Lunquist
patent: 4034172 (1977-07-01), Glover et al.
patent: 4054802 (1977-10-01), Mock
patent: 4059843 (1977-11-01), Girisman
patent: 4437018 (1984-03-01), Manley
patent: 4466040 (1984-08-01), Barthel et al.
patent: 4575640 (1986-03-01), Martin
patent: 4675537 (1987-06-01), Mione

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