| 摘要 |
<p>A disc screen or like shaft structure in which screen discs (25) and spacers (28) are connected together in modular relation. The spacers (28) support the discs (25) axially and are formed of plastic to allow the discs to deflect from their radial plane and the plastic spacers have an outer metallic surround (30) which is of smaller length than the spacers (28) to present a protective metallic outwardly facing surface but allow the discs (25) to deflect laterally. The assembly is placed under a predetermined end-wise compression and the module is mounted on a rectangular shaft (27) which is suitably supported for rotation.</p> |
