| 摘要 |
PROBLEM TO BE SOLVED: To prevent coming off of an optical disc fixed in a storage case from a fixed position due to an impact from the outside. SOLUTION: The optical disc 1 is set in a housing 4 and is held there with a hole 2 of the disc 1 fitted into a protrusion 8. A support 9 is formed on the back of a lid 5 and elastically deforms to fix the disc 1. Specifically, when the disk 1 is encased in the storage case 3 and the lid 5 is closed, the support 9 is elastically deformed to subsequently apply a restitutive force on the surface of the disc 1. As a result, the disc 1 is kept inserted in the protrusion 8 even if the storage case 3 receives an impact from the outside, thereby never come off from the protrusion in the storage case. COPYRIGHT: (C)2004,JPO
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