| 摘要 |
The present invention relates to a roller screen having a variable screening gap. The roller screen comprises slidably fastened blocks 8 for the mounting of roller axles 6, the blocks 8 comprising fastening members for bearing devices 22 intended for mounting of the roller axles 6, which allow the rollers 4 to be fitted and removed without any alteration to the setting of the blocks 8. The roller screen additionally comprises adjusting members 32,34 which are disposed between the blocks 8 and enable individual adjustment of the distance between consecutive blocks 8 and, at the same time, adjustment of all the distances between consecutive blocks 8. <IMAGE> |
