| 摘要 |
The invention relates to a door closer or door drive, comprising a housing, which is closed at one end thereof by a cover, a spring mounted in the housing, and a spring tensioning device for the spring. In order to propose a door closer or door drive for which a usable spring tensioning device can be realized despite the narrow hole pattern, the spring tensioning device comprises an adjusting nut (4), which is rotatably mounted on an adjusting screw (5) so that the adjusting screw (5) is supported in a stepped bore of the cover (6) and is accessible from outside through the cover (6). |
