| 摘要 |
PROBLEM TO BE SOLVED: To perform desired control even when the radius of curvature of the curved part of a flexible wiring board is changed by the state of a lens barrel. SOLUTION: The lens barrel is equipped with a fixed barrel body 2 holding a fixed lens group 10, a moving body for focusing 21 holding a lens group for focusing 13 arranged coaxially with the optical axis L of the lens group 10 and capable of moving in an optical axis direction, and the ribbon-like flexible wiring board 50 trained between the barrel body 2 and the moving body 21, and the flexible wiring board 50 is curved to be U-shaped and also the longitudinal section direction of the curved part 51 is made parallel with the optical axis direction, and one side part of the flexible wiring board 50 is fixed on a fixed-side plane part 61 and the other side part is fixed on a moving-side plane part 60 so that the curved part 51 may hold the same radius of curvature R at both ends in the moving direction of the moving body for focusing 21. COPYRIGHT: (C)2005,JPO&NCIPI
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