| 摘要 |
A disk drive apparatus includes a turntable having a boss at its one side surface and a rotation center hole, and a rotary shaft inserted and fixed in the hole, an inner circumferential surface of the hole being configured to have a fitting portion near to another side surface of the turntable, a cylindrical clearance near to the one side surface opening in an end of the boss, and a large diametrical portion expanded outward in a radial direction of the hole from the clearance and opening in the end and/or an outer circumferential surface of the boss, the shaft inserted in the hole being fixed to the fitting portion by press fitting and to the clearance and large diametrical portion by adhesive filled in the clearance and large diametrical portion.
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