Geometrical instruments
Patent
1979-04-23
1981-02-10
McQuade, John
Geometrical instruments
339193R, 339209, H01R 1320, H01R 1350
Patent
active
042497892
ABSTRACT:
Twin electric sockets for an electric outlet box in which three electrodes are mounted in each socket and three bus bars electrically interconnect the electrodes in one socket with their associate electrodes in the other socket. A common base supports both sockets and it has two slots for removably receiving two of the bus bars. The ends of these two bus bars are bent so as to extend upwardly in the two sockets and these upturned ends receive their associate electrodes and make electrical connection therewith when the electrodes are mounted in the sockets. The third bus bar is inserted into a longitudinally extending slot in the base by means of an opening in the base that is in registration with the longitudinal slot. This third bus bar as an integral loop at one end for receiving an integral tongue on the third electrode when it is inserted into its associate socket. The opposite end of the third bus bar is frictionally engaged by an electrode in the other socket that has an integral yoke.
REFERENCES:
patent: 2700752 (1955-01-01), Cataldo
patent: 3343117 (1967-09-01), Carlson
patent: 3355700 (1967-11-01), Hop Lee
patent: 3917371 (1975-11-01), Hirokawa
patent: 4081206 (1978-03-01), Lee
Brown John S.
Hendricson Alvin E.
McQuade John
Piper William R.
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