Abstract: The disk drive includes: a box-shaped exterior casing having an opening on one side face; a tray stored in the exterior casing and having a mounting face; a pickup; and a rail being a recessed portion formed on the mounting face as a path along which the pickup moves. The stopper is formed of a sheet member having a self-restoring property which allows the sheet member to return to a flat plate shape, and includes: a restricting portion; a connecting portion; and a tab portion, which are formed by folding the sheet member. When the stopper is stored in the disk drive, the stopper is disposed such that the restricting portion is disposed in the inside of the rail, the connecting portion is disposed on the mounting face, and the tab portion projects outside through a gap formed between the tray and the exterior casing.

Abstract: The disk drive includes: a box-shaped exterior casing having an opening on one side face; a tray stored in the exterior casing and having a mounting face; a pickup; and a rail being a recessed portion formed on the mounting face as a path along which the pickup moves. The stopper is formed of a sheet member having a self-restoring property which allows the sheet member to return to a flat plate shape, and includes: a restricting portion; a connecting portion; and a tab portion, which are formed by folding the sheet member. When the stopper is stored in the disk drive, the stopper is disposed such that the restricting portion is disposed in the inside of the rail, the connecting portion is disposed on the mounting face, and the tab portion projects outside through a gap formed between the tray and the exterior casing.