| 摘要 |
The present invention relates to an electrical connection device composed of a plate and a housing for a ferrule (barrel) providing the safety contacts. According to the present certificate of addition, the upper part of the ferrule (barrel) 200 comprises a locking system 2 and a blade or spiral spring permitting the rotation of this system on the plate and providing the earth or the current, as well as the elastic means of the ferrule (barrel). On the other hand, the external part of the plate housings in which the pins of the plug move can have a rack configuration providing additional safety. <IMAGE>
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