| 摘要 |
<p>The present invention relates to a device for retaining casement windows, doors or the like, comprising firstly a bar and secondly a catch member. For locking and to resist separation of the legs of the catch member, which carry catch heels cooperating with the catch bar, which would free the catch member from the bar, when there is a compressive force between the outer end stop of the bar and the catch member, the catch member is provided adjacent to its recess receiving the bar and the outer stop on the bar is provided with means engageable with each other.</p> |
