| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a drive mechanism for surely energizing a screw and a rack member and achieving appropriate lens drive. <P>SOLUTION: An elastic member is provided for generating a rotating force between a rack and a lens group and the elastic member energizes the substantial center of the rack to position the rack along the screw. <P>COPYRIGHT: (C)2012,JPO&INPIT |
