Patent ID: 6749451
Filing Date: 2004-06-15
Classification: H01R

Abstract:
A plug-in adapter for optional connection of a three-pin plug system to different nationally specific plugging systems with and without grounding contact, comprising:(a) a housing, several different permanently-projecting plugging systems being disposed on the outside periphery thereof; and (b) a socket receptacle supported for rotation in said housing and having electrical contacts adapted to be connected to corresponding electrical contacts of one of said plugging systems according to a respective rotational position of the socket receptacle, wherein at least one of the plugging systems comprises a grounding contact pin supported for movement in the housing, the grounding contact pin in one system for connection to both an old British system with round plug pins and to a new British system with rectangular pins comprising a peripheral area with rounded and resilient sections disposed opposite each other, respectively, and at least one bent guiding section which is guided for displacement between two spaced stops in said housing.