Patent ID: 9664875
Date: 2017-05-30
CPC Classifications: G02B,G03B,H04N

Claim:
1. A lens barrel comprising: a first planar portion that is substantially perpendicular to an optical axis and includes a first opening portion, a barrier front cover including a second opening portion, at least two vane portions that move between a state of being closed and a state of being opened, cover the first opening portion and the second opening portion at the state of being closed, a driving portion that drives the vane portion, a lens group frame that supports rotatably the vane portions and including at least one lens, a regulating portion provided on the barrier front cover, the regulating portion restricts a movement of the vane portions when the vane portions move toward the state of being closed from the state of being opened, the vane portions move to the state of being closed at a position of the regulating portion if the vane portions reach to the regulating portion, and the vane portions move to the state of being closed by an engagement of the vane portions if the vane portions do not reach to the regulating portion; the first planar portion is disposed closer to a subject than the barrier front cover, the first opening portion is formed smaller than the second opening portion, the regulating portion is disposed on the outer side than the first opening portion in a direction away from the optical axis.