Swing door for insect repellent device, has pivot bearing with recess height adjustably imposed in profile groove of rotary frame, and torsional spring with vertical part engaged in profile groove in adjustment path of recess

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.