1977-08-22
1978-08-08
Lake, Roy
Geometrical instruments
339 88R, 339188R, H01R 2500
Patent
active
041052730
ABSTRACT:
An electric plug assembly is formed of a plug having a handle part and a contact part projecting from the handle part and a socket adapted to receive, by insertion, the contact part of the plug. The socket has electric contacts arranged to engage the contact part of the plug in the inserted state of the plug. There are further provided longitudinal, electrically insulating spaced ribs forming part of the plug and constituting a cage surrounding the contact part of the plug and electrically insulating, spaced protrusions arranged in a circular array and forming part of the socket. The protrusions are in an interleaving relationship with the ribs in the inserted state of the plug.
REFERENCES:
patent: 2745076 (1956-05-01), Kolstad
patent: 3829820 (1974-08-01), Hubner et al.
Henschke Siegfried
Lindberg Albert
Jones DeWalden W.
Lake Roy
Leybold-Heraeus GmbH & Co. KG
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