| 摘要 |
PURPOSE:To obtain an adapter device which is easily attachable and detachable to and from a small-diameter compact disk and has excellent durability. CONSTITUTION:The outer peripheral part of the compact disk D is placed on pawl parts 4 of a first toric adapter member 1 and a second toric adapter member 10 is superposed on the first toric adapter member 1 to hold the outer peripheral part of the compact disk D from both sides with the pawl parts 4, 11 of the first and second toric adapter members. Further, the first and second toric adapter members 1, 10 are slid circumferentially relative to each other to engage the both. |
