| 摘要 |
A magnetic disk device includes a hub and a clamper. The hub has a hole portion including a first fitting portion, and a mounting portion mounting a magnetic disk. Besides, the damper has: an inserting portion including, an opening, slits heading toward an outer peripheral from the opening, and a second fitting portion; and a pressing portion pressing the magnetic disk. The magnetic disk is mounted on the mounting portion of the hub, the inserting portion of the damper is inserted into the hole portion of the hub, and thereby, the first and the second fitting portions are fitted together to fix the magnetic disk to the hub. At this time, the inserting portion has slits, and thereby, the elastic deformation becomes easy, and enabling a detachment and attachment of the clamper from/to the hub. Moreover, any dedicated fixture or screw is not necessary to attach the clamper.
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