US Patent 9238417 Electrical plug connector

In one aspect, a plug connector for electrically connecting an electric vehicle to a charging device is provided. The plug connector is designed to establish an electrical connection to a second plug connector associated to the electric vehicle or the charging device. The plug connector includes an actuator which can be driven by an electrical pulse, adapted for locking and unlocking the plug connectors. The plug connector includes an energy source for generating the electrical pulse.