Geometrical instruments
Patent
1981-12-24
1984-10-30
McGlynn, Joseph H.
Geometrical instruments
200 42R, 200 44, 339 82, H01R 13502, H01R 1344
Patent
active
044796889
ABSTRACT:
A wall outlet lock apparatus for retaining an electrical appliance plug at an electrical wall outlet comprises an electrical plug receptacle for receiving an electrical appliance plug; a power transfer unit coupled to the electrical plug receptacle for transferring power from the electrical wall outlet to the electrical plug receptacle; a first locking mechanism for restricting removal of the wall outlet lock apparatus from the electrical wall outlet; and a second locking mechanism coupled to the power transfer unit for disengaging the power transfer unit from the electrical plug receptacle to prohibit transfer of power from the electrical wall outlet to the electrical plug receptacle.
REFERENCES:
patent: 3524029 (1970-08-01), Laff
patent: 4063110 (1977-12-01), Glick
patent: 4080029 (1978-03-01), St. Fort
patent: 4166202 (1979-08-01), Reiter
Austin Paula
McGlynn Joseph H.
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