| 摘要 |
A knife shaft assembly (1) for a document shredder formed from a series of cutting disks (3) arranged on a shaft (2) with spacer rings (4) disposed between them. The spacer rings (4) are compressible, and a securing mechanism, such as snap rings (6) received in grooves (5), is provided on the shaft to secure the cutting disks (3) on the shaft (2) under compression. During assembly, the spaces between the cutting disks (3) are adjusted to a predetermined size by compression in the axial direction. This arrangement enables material costs to be kept low while assuring high dimensional accuracy of the knife shaft assembly.
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