The present invention relates to a drive mechanism for a flap of a vehicle, comprising a with a fixed component or a movable component with a first securing element and which can be connected to the end opposite the first fastening element is axially movable relative to the housing tube 1, which at its end opposite the first fastening element with the movable component or the fixed component has second fixing element which can be fastened. A spindle drive has a threaded spindle 8 and a on the threaded spindle 8, which are arranged in a spindle nut 9, wherein by means of the spindle drive the first fastening element and the housing tube 1 can be moved axially relative to one another can be driven. In this case, the spindle drive can be driven rotatably by an electric motor, whereby by means of a motor shaft of an electric motor 22 the threaded spindle 8 or a clutch component of a clutch can be rotatably driven. The spindle drive is of two or more series-connected electric motors 22, 23 can be driven rotatably.
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