| 摘要 |
PROBLEM TO BE SOLVED: To provide a high-precision lens barrel which has a small rattle.SOLUTION: A lens barrel has a fixed cylinder (4), a cam cylinder (3) rotating in a circumferential direction relative to the fixed cylinder (4), a cam groove (3a) formed on the cam cylinder (3), first follower means (4a) provided to the fixed cylinder (4) to follow up the cam groove (3a), and displaceable with elastic force, fixed second follower means (4c), and restriction means (4f) provided to the fixed cylinder (4) to abut on the cam cylinder (3) when the cam cylinder (3) rotates in the circumferential direction.SELECTED DRAWING: Figure 1 |
