| 摘要 |
<p>A door or window comprising a wing and a support and drive device for said wing comprising two mechanisms, each mechanism comprising: a lever (1,1') a sliding pin (9), adapted to slide in a guide (11) and integral with said lever; means for hinging (4) a wing to said lever; an arm (2) hinged to said lever in an intermediate position between said sliding pin and said means for hinging a wing, said arm being adapted to be hinged to a fixed structure (6), one mechanism being placed above and the other below said wing and hinged to the wing by said means.</p> |
