| 摘要 |
The subject of the present invention is an opening and closing device for an articulated movable element of a motor vehicle, which device includes an electric motor for assistance housed in a covering 6. According to the invention, this device comprises a screw 3 mounted on one of the fixed or articulated elements 2 of the vehicle and capable of interacting with a nut 4 or 4a-4b mounted on the other element, this screw being rotationally integral with the output shaft of the electric motor so as to be able to be driven rotationally by this motor. <IMAGE>
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