Geometrical instruments
Patent
1981-08-10
1982-11-23
McGlynn, Joseph H.
Geometrical instruments
H01R 1120, H01R 1338
Patent
active
043602428
ABSTRACT:
A self-fastening electrical connector suitable for connecting an appliance to a standard AC wall receptacle has prongs pivotally mounted on a moulded body in which there is a channel adapted to receive one end of an insulated wire, the other end of which may be connected to an electrical appliance. The prongs have inwardly directed projections adapted to pierce the insulation of the wires in the channel when the prongs are urged from an open to a closed position and outwardly extending projections adapted to engage complementary notches in a plug housing. The moulded body has additional projections which engage additional notches in the plug housing, when the body and contact prongs are inserted therein, simultaneously to prevent retraction of the assembly formed by the contact prongs and moulded body from the housing. An accessway for a tool is provided through the housing wall adjacent an aperture through which the wire extends to the appliance to permit a tool to be inserted and rotated about a fulcrum also provided in the plug housing to urge the contact and body assembly out of the plug housing.
REFERENCES:
patent: 2673968 (1954-03-01), Smith
patent: 2769154 (1956-10-01), Greenbaum
patent: 3202954 (1965-08-01), Kinkaid
patent: 3828300 (1974-08-01), Codrino
patent: 3866997 (1975-02-01), Kreutter
Lopez Juan M.
Poliak John M.
Brown John S.
Leviton Manufacturing Co. Inc.
McGlynn Joseph H.
Sutton Paul J.
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