| 摘要 |
A projecting portion is formed on an edge, which provides a notch for an eject button, of a front shutter of an FDD. The projecting portion projects toward the eject button. The eject button provides a cavity for canceling interference between the projecting portion and the eject button in a state without external force. Upon receiving external force, the eject button is pressed to the projecting portion. In this state, the front shutter is forced to rotate in a closing direction thereof. Because the front shutter keeps a closed state, the force given to the projecting portion has a direction parallel to a main surface of a door member of the front shutter. Therefore, the door member is not bent by the external force and the front shutter does not come off from a main frame of the FDD.
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