| 摘要 |
PURPOSE:To prevent the deformation of a flange part by providing a rib of a wedge form on the plane part of the flange part. CONSTITUTION:The rib 6 along the oscillating system support part 1 of a speaker is disposed on the flange part 2 of the mounting part of the frame and the set of a small aperture speaker unit. Accordingly, a distortion and the vector F1 of a force at the time of mounting the set caused by the mounting hole 3 of the flange part 2 are transmitted to the rib 6 of the wedge form, however, attenuated according to an operating for absorbing a spring effect and the force inherent to the rib 6 of the wedge form and returned as the vector F3 of the force, so that the distortion and the vector F2 of the force giving an adverse influence to the oscillating system support part 1 and an oscillating part can be reduced to zero. Thereby, the deformation of the flange part can be prevented.
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