| 摘要 |
PROBLEM TO BE SOLVED: To remove rattle between a lens frame and a nut and between a guide rod and the lens frame, and to downsize an imaging unit in a longitudinal direction of the guide rod.SOLUTION: An imaging unit includes: guide rods 36 and 37; a lead screw M1a; a motor M1 for rotating the lead screw around an axis; a driven nut 44 including a first pressed surface 44a screwed into the lead screw and orthogonal to the axis; a lens frame 39 including a rod insertion hole 40 into which the guide rod is penetrated and a nut receiving surface 39e1 on which an opposite side surface opposite to the first pressed surface of the driven nut is abutted and configured to support the driven nut so as not to be rotated and support a movable lens; a coil attachment part 39b formed on the lens frame; and a torsion spring S1 for abutting the driven nut on the nut receiving surface by engaging its own coil part with the coil attachment part and pressing the first pressed surface on one end S1b and for pressing the guide rod to the lod insertion hole on the other end. |
