| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an imaging unit capable of surely eliminating play between a lens frame and a nut by a spring and downsizing the imaging unit in the longitudinal direction of a guide rod. <P>SOLUTION: The imaging unit includes: guide rods 36, 37; motors M1, M2 for rotating lead screws M1a, M2a; a driven nut 44 with a first pressed surface 44a screwed to the lead screw; lens frames 39, 47 with coil attachment sections 39b, 47b supported to be capable of being slid on the guide rods, nut receiving surface 39e1, 47e2 and second pressed surfaces 39h, 47h; and torsion springs S1, S2 having coil sections S1a, S2a fit into a coil attachment section, pressing the first pressed surface on one ends thereof S1b, S2b and pressing the second pressed surface by the other ends thereof S1c, S2c. <P>COPYRIGHT: (C)2013,JPO&INPIT |
