1978-02-10
1979-07-03
Lake, Roy
Geometrical instruments
174 57, 339 36, H01R 1130
Patent
active
041598580
ABSTRACT:
A cover plate to be positioned over an electrical receptacle and fastened to it and which plate includes a main plate with a pair of openings in registry with the electrical sockets of the receptacle and a pivotal cap normally in covering relation of each of the openings and energized sockets, the caps being pivotally connected to the main plate and including a ferrous metal keeper in blocking relation of pivotal movement of each of the caps and in a slot; the keeper is responsive to magnetic forces of attraction to slide in the slot out of blocking relation of pivotal movement of the cap so that a magnet can be used as a key to gain access to the energized receptacle.
REFERENCES:
patent: 943958 (1909-12-01), Wheeler
patent: 2744243 (1956-05-01), Menendez
patent: 3189212 (1965-06-01), Bellek
patent: 3386071 (1968-05-01), Allen
patent: 3521216 (1970-07-01), Tolegian
patent: 3598900 (1971-08-01), Drake
patent: 3868160 (1975-02-01), Kersman
patent: 3956573 (1976-05-01), Myers et al.
Jones DeWalden W.
Lake Roy
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