| 摘要 |
An electric socket adapted to receive a plug connected to the cord of an appliance such as a vacuum cleaner. In one embodiment of the invention there is provided in the socket a pair of bimetallic elements designed to deflect when heated causing the plug prongs to be released whereupon the plug is pushed from the socket under spring pressure. In other embodiments of the invention electromagnets are provided to cause the desired prong deflection for release of the plug. Appropriate circuitry is provided for the desired operation of the socket including release of the plug at remote as well as near locations with respect to the socket.
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