| 摘要 |
<p>A window or door comprises a sliding door element supported by a frame. The sliding door element has first engagement means (8) at a front edge thereof, for engaging second engagement means of a counter edge of the frame. Drive devices (2) can cause the first engagement means (8) to move from an engagement position to a disengagement position and vice versa. Advantageously, the window or door has motor means (4) mounted to the sliding door element and operably associated with such drive devices (2) to control actuation of said first engagement means (8) between said engagement and disengagement positions.</p> |
