| 摘要 |
A disk player is configured so that a steel plate-made clamper plate 3 is bridged between wall parts 2 a of both sides of a cabinet and is fixed and a disk D on a tray 1 is clamped by a turntable 7 and a clamper 5 and the disk D is rotated by the turntable 7 and information recorded on the disk D is read by an optical pickup, spiral reinforcement portions 3 c are formed by closely folding both side edges of the clamper plate 3 in a manner of winding at least two times.
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