| 摘要 |
<p>A combination of a door and doorframe including a security lock (10), the combination including a door latch (12) engageable with a strike (20) upon closing the door against the doorframe, and a door safety linkage element (26) that limits opening of the door to a predefined security limit, the door safety linkage element (26) being positioned relative to the door latch such that when the door is closed the door latch (12) automatically moves into engagement with the door safety linkage element (26).</p> |
