| 摘要 |
PROBLEM TO BE SOLVED: To more surely prevent a link portion from being excessively deformed in a simple structure, to drive an optical scanner stably with a little power and to prevent an incidence angle or reflection angle range of light from being limited. SOLUTION: In an optical scanner which varies the angle of a reflection plate 40 to a frame 22 by twisting and deforming a pair of link portions 45, 46, 1st to 4th regulation pieces 23e, 23f, 24e, 24f extending toward the reflection plate 40 while overlapping with the link portions 45, 46 are provided at predetermined intervals from one side and opposite side of the frame 22 to the link portions 45, 46, thereby directly regulating the longitudinal movement of the link portions 45, 46 of more than a predetermined distance. COPYRIGHT: (C)2005,JPO&NCIPI
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