| 摘要 |
<p>The arrangement has a face plate (23), and a door closer, which is provided above a frame, where the frame has two vertical sections and a horizontal section (22). An operating arm with a drive consists of a flat material whose thickness remains constant without swellings. The operating arm is connected with a sliding piece, which is displaceable in a sliding rail. The sliding rail is fastened to rotate above a door leaf.</p> |
