| 摘要 |
PROBLEM TO BE SOLVED: To provide a shutter structure which ensures the operability of a medium and entirely closes the aperture of the outer face of a device. SOLUTION: The small aperture 35 formed in the recess part 16 of a shutter 15 provided for ensuring the operability of the medium 13 such as a card and the like is closed by means of the shutter 15 having an elastic body installed in the direction at which the aperture 10 of free state is closed by rotation; and a slide plate 21 which is arranged so that it may be put in the gap between the shutter 15 and a guide plate 22 mounted on the shutter and can linearly move along the guide plate 22. One end of the elastic body 24 is mounted on a shutter base 18, and the other end is mounted on the slide plate 21 via a projection 25 for adjusting the direction of the force of the elastic body 24. COPYRIGHT: (C)2005,JPO&NCIPI
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