| 摘要 |
<p>The invention relates to a rotation guide and support device for a door (1) of which the pivot (3) may be disengaged from the outside, the door opening normally to the inside, and a door unit using in combination with said device a door frame (2c, 2d) without any upper rebate and of which the right and left rebates have an inverted profile thereby allowing to remove the unhinged door towards the outside or to invert the opening direction. Improvement to the safety of persons.</p> |
