| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lens driving system capable of simplification and downsizing of structure. <P>SOLUTION: A lens driving system 1 uses a rack gear part 8a as a gear part in order to enable runout in a radial direction at a final end of a lead screw 4. Furthermore, for effectively using a guide shaft 6 that is formed with a high degree of accuracy, the guide shaft 6 penetrates through a spring support frame 11 provided at a lens holder 10 which holds a lens M and through a movable member 8 including the rack gear part 8a which engages with the lead screw 4. As a result of this, the guide shaft 6 guides the movable member 8 and the lens holder 10 linearly, and can be also used as a rotation center of the movable member 8. And, a compression coil spring 20 is arranged in a manner winding around the guide shaft 6 and is used to press the rack gear 8a to the lead screw 4. <P>COPYRIGHT: (C)2012,JPO&INPIT |
