| 摘要 |
A blade drive device of embodiment 1 has an upper case (10) and a lower case (20) that have openings (11, 21), respectively, a blade (30) that opens and closes the openings (11, 21), and a drive source that drives the blade (30). The drive source includes a rotatably supported rotor (40) and iron pieces (50, 60L, 60R) around which exciting coils (70L, 70R) are wound and that apply rotational force to the rotor (40). Fitting holes (55L, 55R, 65L, 65R) that fit on fixation pins (15L, 15R) arranged on the upper case (10) are formed in the iron pieces (50, 60L, 60R).
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