| 摘要 |
<p>An anchoring device for use on an access door having an outer framework adapted to be fitted in a rough opening formed in a ceiling or wall and having an exposed frame flange for hiding the rough opening, the anchoring device having a pressing member having the leading end urged to engage the ceiling or wall and forming a U-shaped bracket in cooperation with the web portion and frame flange of the outer framework and an anchor urging the pressing member into engagement with the framework.</p> |
