Patent ID: 7003784
Filing Date: 2006-02-21
Classification: G11B

Abstract:
1. A disk apparatus comprising a tray for mounting a disk having an information layer and a position controller for controlling the position of the disk; the position controller comprising a wall face for controlling the position of the disk in a main face direction, a rotation member having a rotational axis arranged at a position indented from the main face of the tray and extending in a substantial radial direction of the disk mounted on the tray, a plurality of elements connected via the rotation member, and a biasing member for applying a force to the plural elements in a direction for floating the disk from the tray main face; the position controller further comprises an extending portion, the extending portion extends toward the center of the disk mounted on the tray main face with respect to the wall face, and the extending portion overlaps a part of the main face of the disk in a state in which the disk is in contact with the wall face.