| 摘要 |
<p>A slider (7) for use in a track (3), the slider (7) comprising a releasable restrictor (41), wherein the releasable restrictor (41) can be held in an active position (figure 3) or an inactive position (figure 5), and wherein the releasable restrictor (41) is automatically reset in its active position when the slider (7) reaches an end stop (49) in the track (3). More controlled closing of a window sash is thereby possible.</p> |
