| 摘要 |
A fastening device for a fitting or housing of plastic such as a swivel lever control, socket wrench control, or sash closure which can be fixed in at least one preferably rectangular opening in a thin wall such as a sheet metal cabinet door and with tongues which project from the fitting or housing so as to be integral therewith, the free ends of the tongues being supported on the rear rim area or the edge of the opening. A supporting spring which is made of spring metal and which is bent to form a profile that is U-shaped in cross section encloses the free end of the tongue. |
