| 摘要 |
PROBLEM TO BE SOLVED: To detect erroneous mounting when a plurality of disks are erroneously mounted to a disk insertion groove. SOLUTION: In a disk aligner in which a disk aligner pedestal 3 facing an opening part 2a is provided within a casing 2 forming the opening part 2a with an opening and closing lid 1 and has a plurality of guide plates 3a arranged parallel at intervals, and a disk D is inserted into a disk insertion groove 4 between the respective guide plates 3a, a plurality of projection parts 7 facing the respective guide plates 3a are projected on a reverse face of the opening and closing lid 1, a width of a recess part 8 between the respective projection parts 7 is set wider than a thickness t of a sheet of disk D and is set narrower than a thickness 2×t of two sheets of disk D, and when the opening and closing lid 1 is drived to close, the recess part 8 is engaged with the disk D inserted into the disk insertion groove 4.
|
