PLUG-AND-SOCKET CONNECTION Russian patent published in 1995 - IPC

FIELD: domestic appliances. SUBSTANCE: plug is provided with central pin attached to case with the aid of threaded connection Socket is provided with spring-loaded rockers mounted for turning on axles. When mating central pin of plug-and-socket connection presses against ends of rockers, turns them and opens for pins to contact jacks. Central pin can be screwed out to prevent unauthorized use of plug-and-socket connection. In this case there will be no connection as rockers will not turn in attempt of mating and access to contact jacks will be closed. EFFECT: improved operational safety. 2 cl, 3 dwg