Patent ID: 8753149

Claim:
A universal plug adaptor, comprising a face plate and a casing joined to the face plate; wherein the casing comprises: a first track element inside the casing; a terminal set inside the casing where the terminal set contains a live (L) terminal, a neutral (N) terminal, and a ground (E) terminal; at least two platform elements in the casing, each at a lateral side of the first track element, and one adjacent to the live (L) terminal and the other the neutral (N) terminal; a side member configured to a side inside the casing where the side member has a terminal set conforming to the German and French plug specification; and a first sliding element configured with two elastic elements, each engaged with a platform element, where the first sliding element has at least a partially curved indentation; and each platform element is forwardly extended with a first limiting piece for locking the first sliding element when it is pressured from a side.