Disk driver having a disk holder table with a holder ring

摘要

A disk holder table has a bottom surface to which a holder ring for holding a drive roller is assembled. The holder ring is made of metal and has a generally rectangular shape. The holder ring is engaged by hooks formed on the bottom surface of the disk holder table. The disk holder table has guide portions formed on the bottom surface thereof to restrict the range of rotation of the holder ring in parallel to the bottom surface. The holder ring is urged in a predetermined direction by a rod spring formed on the bottom surface.