| 摘要 |
PURPOSE:To insert-hold a disk securely through simple operation by moving the disk toward a disk receptacle while opening plural blades through the rotation of a clamp knob formed in one body with the disk receptacle, and insert-holding the disk between plural blades and the disk receptacle. CONSTITUTION:When a disk 20 is to be loaded on a disk receptacle 3, the projection part 14 of a brake lever 13 is locked at the lock part 12 of the disk receptacle 3 firstly to lock the disk receptacle 3. Then, the center hole of the disk 20 is placed on the disk receptacle 3 through a clamp knob 4 is run through the hole of the disk and the counter clockwise rotation of the clamp knob 4 rotates and opens plural blades 6 simultaneously; and they are lowered, and thus the disk is fitted by being clamped by the plural blades 6 and disk receptacle 3. |
