| 摘要 |
The door has a rotary frame (16) provided at a door frame over a pivot bearing (14) for clamping an insect repellent grill, where the frame is pivoted around a vertical axis on both sides. The pivot bearing includes a recess (40) imposed on a bearing eye (44) with a pin part and height adjustably imposed in a profile groove (38) of the rotary frame. A torsional spring (30) includes a vertical part engaged in the profile groove in the adjustment path of the recess. |
