| 摘要 |
By maintaining a relative position of coils of a movable unit with respect to fixed magnets in a normal state to stabilize a relative position of the movable unit with respect to the whole of a lens drive assembly, the lens drive assembly is provided as an assembly capable of adjusting the focus of a lens in a satisfactory manner. In a voice coil type lens drive assembly for adjusting the focus of a lens, a spring 6 , a yoke 6 with magnets 5 and a movable unit M 1 attached thereto, and electrically conductive springs 2 , are accommodated in this order on a base 1 and a connecting portion of a cover frame 8 and that of the base 1 are connected together to unite the two components. At the same time, cut-in portions 6 d formed in end portions of the yoke 6 which is a metallic yoke are fitted on projections 1 e of the base 1 and both are joined together with connections to the cover frame 8 as guide.
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