| 摘要 |
PROBLEM TO BE SOLVED: To provide a blade opening/closing device constituted so that versatility may be improved. SOLUTION: This blade opening/closing device 1 is equipped with plural shutter blades 3 and 4 attached to a bottom board 2 and opening/closing a shutter aperture 2a, a 1st actuator 7 attached to the board 2 and driving and opening/closing the blades 3 and 4, and a 2nd actuator 10 attached to the board 2 and engaged with an engaging projecting part 17 provided on either blade 3 or 4.
|
