| 摘要 |
PROBLEM TO BE SOLVED: To provide a photosensitive recording medium cartridge capable of preventing a photosensitive recording medium from exposure and dust by suitably performing light shielding and dust prevention between a cartridge body and a light shielding plate. SOLUTION: The cartridge 2 for storing a photosensitive recording disk 4 is provided with a cartridge body 11 having inner apertures 18, 19 for exposing a part of the recording disk 4, a light shielding plate 12 having external aperture 14, 15 opposed to the inner aperture, and a shutter 13 arranged between the cartridge body 11 and the light shielding plate 12. Projection pieces 55h are formed on the end edges 55f of first and second shutter plates 55a, 55b of the shutter 13 which is the moving side in a closing direction and slits 25k, 26k into which the projection pieces 55h are inserted are formed on step parts 25j, 26j formed on the cartridge body 11 on which the end edges 55f are abutted. COPYRIGHT: (C)2007,JPO&INPIT
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