| 摘要 |
<p>A shredder comprises a frame (4); at least two rotatable shafts (1,2) supported (3) in parallel by the frame; a plurality of cutting blades (10) on each shaft, each blade including a mounting (14) which is fixed to the shaft and a number of tips (13) fixed to the periphery of the mounting; and a plurality of spacers (11) mounted on each shaft alternately with the blades (10) such that the blades and spacers on each shaft mesh with the blades and spacers on the or each adjacent shaft. The tips (13) and/or spacers (11) can be replaced when necessary without disassembling the shafts. <IMAGE></p> |
