| 摘要 |
PROBLEM TO BE SOLVED: To realize a shutter device that is able to restrain bound without increasing the number of components and without requiring a special space in the plane direction and thickness direction of the shutter bottom board.SOLUTION: A shutter device comprises: a shutter bottom board having an opening formed in the central portion thereof and an approximately arcuate long hole at a side of the opening; a blade group attached to the shutter bottom board by a main arm and a sub-arm; and a drive member having a drive pin, extending through the long hole and fitted to the main arm, which exposes and runs the blade group. The main arm is formed from an elastic material and the drive pin abuts on an end portion of the long hole via the main arm. |
