| 摘要 |
PURPOSE: To provide a lens shutter device constituted so that the extending action and the restoring action of a lens and the regulating action of an open aperture are executed by a single motor. CONSTITUTION: This device is provided with a solar gear 32 to which the driving force of the AF/diaphragm motor 1a is transmitted, a planet gear 33 revolving around the gear 32 according to the rotating direction thereof, a gear for AF 36 arranged so that it can be coupled with the gear 33 and driven in such a direction that the AF lens 6 is extended or restored according to the rotating direction of the gear 32 in order to execute a focusing action and a lever 37 regulating the maximum aperture of sectors for an open aperture 22a and 22b at a position where the gear 33 is not coupled with the gear 36. |
