Geometrical instruments
Patent
1976-05-24
1977-08-09
Lake, Roy
Geometrical instruments
339156R, 339166R, H01R 1346
Patent
active
040407101
ABSTRACT:
An electrical receptacle cover plate is integrally molded with plug receptacles having prong connector terminals extending rearwardly of a shallow housing portion for plug-in connection, through an opening in panelling or the like used in renovating interior walls, with already-installed electrical receptacles. The plug-in electrical receptacle interconnecting prongs are scored at spaced intervals along their lengths to permit ready adjustment to the length required for inter-receptacle connection, depending upon the distance between the inner wall covered and the outer surface of the new wall. Electrically insulating spacer wafers threaded on the interconnection prong, serve to insulate portions thereof intermediate the existing receptacle and the plug-in receptacle extender.
REFERENCES:
patent: 2702893 (1955-02-01), Paulson
patent: 3609647 (1971-09-01), Castellano
patent: 3963301 (1976-06-01), Stark
Bicks Mark S.
Lake Roy
Schmidt Ernest H.
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