| 摘要 |
<p>The mobile component is connected to the brickwork and firmly connected with the profile of the door or window jamb. The component can be moved towards, and away from, the profile of the jamb within that portion that is rigidly connected with the jamb. The fastening frame has devices for rigidly connecting both portions after fastening to the brickwork, and comprises a fixed part integral with the door or window jamb e.g. a U-profile, and a mobile-box-shaped profile that is inserted between the shanks of the U-profile.</p> |
