Geometrical instruments
Patent
1981-07-14
1983-10-04
Goldberg, Howard N.
Geometrical instruments
H01R 424
Patent
active
044075570
ABSTRACT:
An electrical coupling device, for example an electric plug, for effecting electrical connection between an electrically-conducting member of the coupling device and the electrically-conducting material of an insulated electrical conductor, comprises a base member, a cradle provided on the base member and having an internal space for the reception of said conductor, which space is defined between a pair of spaced-apart confronting surfaces of the cradle between which, in use of the coupling device, the conductor is held, and a metallic, conductor-piercing means, forming at least a part of said electrically-conducting member, which projects into said space between said confronting surfaces, whereby when the conductor is introduced into said space, the conductor-piercing means penetrates the electrically-insulating material of the conductor and makes contact with the electrically-conducting material of the conductor while the conductor is held between said confronting surfaces. The cradle, which may be formed integrally with the conductor-piercing means, may be arranged to displace insulating material from the conductor during insertion of the conductor into the cradle so that, in the inserted position of the conductor, said confronting surfaces bear substantially directly on the conducting material of the insulated conductor.
REFERENCES:
patent: 3184704 (1965-05-01), Raymond et al.
patent: 3218597 (1965-11-01), Oehlerking et al.
patent: 4080034 (1978-03-01), Werner
patent: 4148540 (1979-04-01), Hayes
patent: 4293176 (1981-10-01), Lindlof
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