Plug-in socket with blocking member

Details Plug-in socket with blocking member Plug-in socket with blocking member

1992-08-05

1994-09-06

Abrams, Neil

Electrical connectors

With unauthorized connection preventer, e.g., key or...

70 57, 70168, H01R 1344

Patent

active

053443292

ABSTRACT:
A plug-in socket for amplifiers, loudspeaker boxes, electric musical instruments etc. is described. The plug-in socket has a socket member for the introduction and holding of an electrical plug and at least two electrical contacts engageable with the plug. Furthermore, it includes a blocking member adapted to be introduced into the socket member and to be locked therein. The blocking member prevents an unauthorized introduction of an electrical plug into the socket.

REFERENCES:
patent: 1434492 (1922-11-01), Johnson
patent: 1544951 (1925-07-01), Sollee
patent: 1878436 (1932-09-01), Burroughs
patent: 2987909 (1961-05-01), Shlank
patent: 4893488 (1990-01-01), Klein
patent: 4964284 (1990-10-01), McDaid
patent: 4975550 (1990-12-01), Panchisin
patent: 5190466 (1993-03-01), McVey

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