| 摘要 |
PROBLEM TO BE SOLVED: To provide a storage case which is provided with a holding part for smoothly mounting and dismounting a discoid recording medium and which is used as a display case at a rental shop. SOLUTION: When the fixing hole of a discoid recording medium is fitted on a holding part and is pressed, the holding part moves down slightly decreasing its diameter size owing to elastic deformation and let the fixing hole go through. At the same time owing to the elastic action of a connecting piece and a leg piece the diameter size returns to the original enlarged diameter size fixing the media by the fixing hole caught by the head part of the holding part. When the head part is pressed, the head part goes down through the fixing hole of the media as its diameter size becomes smaller owing to the elastic deformation of the leg part and the connecting piece having a hinge as a support part. At the same time by the elastic function of the leg piece and the connecting piece, it moves back to the original position. The media goes down slightly with the head part, and while it is going down, the non- recording part around the peripheral edge of the fixing hole touches the support part causing only the head part to go down further. This way, the fixing hole is released from the head part and becomes free from the fixed condition.
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