| 摘要 |
The fire door has door frame (3) provided with door plane. The door leaf (2) is located in plane of door main portion at geometrical pivot axis (A) and pivotably mounted relative to door frame. The fuse element (8) is placed on door elements, to lock the door leaf in case of fire. A door rebate (5) is placed along a door edge. The fuse element is arranged such that movement of door leaf relative to door frame along direction perpendicular to door plane at counter-element (3.2) of other door element is locked. |
