| 摘要 |
<p>Apparatus for separating material into first and second portions according to size including a plurality of shafts (26), a plurality of spaced disks (30) radiating outwardly from each of the shafts (26) to defined apertures (32) and means (40, 64, 66) for moving the shafts (26) toward or away from one another to vary the size of the apertures (32) while the apparatus is performing the separating function.</p> |
