US Patent 7928825 Safety plug

A safety plug, comprising: a housing a first metal blade a second metal blade a conducting device a bimetallic strip an isolating-equipment an elastomer a cover and an isolator, wherein all of its apparatus are all well-located even after encountering overloading. Both the bimetallic strip and the conducting device are fixed together in the housing of the safety plug thus makes sure that their restoring back at the same exact location. It increases the safety and the practical utility of the safety plug in this way.