Patent ID: 9507240
Filing Date: 2016-11-29
CPC Classification: G02B,G03B

Claim Text:
1. A blade drive device, comprising: a board including an opening; first and second blades opening and closing the opening; and first and second actuators arranged adjacent to each other and respectively driving the first and second blades, wherein the first and second actuators respectively include first and second stators, first and second rotors, and first and second coils, and the first and second rotors are arranged to sandwich at least one of the first and second coils, wherein the blade drive device further comprises: a first output member rotating together with the first rotor; and a first drive member always engaged with the first output member and driving the first blade, wherein at least part of the first output member and at least part of the first drive member overlap at least part of the first stator and the first coil, when viewed in an optical axis direction of the opening.