| 摘要 |
PURPOSE:To correctly and surely fit the center core of a magnetic disk to a rotating drive axis without generating an incomplete fitting by dispersion, etc., by pressing it to the rotating drive axis in plural places. CONSTITUTION:A pressing member 26c at the tip of a pressing member 26 has recessed part 26d for avoiding a detecting coil 24 in order to avoid a collision with the detecting coil 24 and has pressing projections 26e to press a center core 3 by two points opposite at an angle of 180 deg. on both sides of the recessed part 26d. Thus, when the center core is pressed by the two points, not only the detecting coil is avoided but also other members can exist mixedly on the center core 3 and pressing force is precisely given to a setting position of the center core 3. Thus, fitting to a spindle can be surely executed. |
