| 摘要 |
The invention relates to a folding top for vehicles, which comprises a main bow which can pivot about a vehicle transverse axis. At each vehicle side a control arm is assigned to the respective two lateral struts of the top of the main bow serving as component parts of a top framework covered by means of a flexible roof skin. Roof skin retaining rails for tightening the roof skin are arranged on the outside of the struts of the top. These retaining rails are capable of being transferred by means of automatic adjustment mechanisms from a stretching position, spread apart from the struts of the top, which is the case when the main bow is upright and in which position the lower ends of the roof skin retaining rails rest against the side-boards of the associated structure, into a folding position nearer the struts during the course of the swing-back movement of the main bow. In order to avoid disturbing grinding noises during the course of the folding operation, as well as damage to visible side-board surfaces, it is provided that the adjustment mechanisms are arranged independently of the side-boards and are forcibly controlled by utilizing the relative movement between the struts of the top and the control arms taking place during the shifting of the main bow.
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