| 摘要 |
The screen has a screen surface running diagonally to perpendicular, and a frame displaceable by a drive in vibrations. Transverse-bars (1) carrying sieve linings (2, 3) are fixed in the frame, where one of the transverse-bars is movable supported in an arc-shaped or linear movement. A main inertia axis of the movable transverse bar has distance from a momentary rotational axis of the movement, where a rest turning position of the movable transverse bar is held with respect to the frame by springy moments. A radial arm (10) is provided outside of the frame. |
