Patent ID: 7080389

Claim:
A disk drive comprising: a casing formed with an entrance-and-ejection slot and defining a longitudinal axis; a disk tray disposed within said casing for receiving an optical disk thereon, and having a reading opening; a clamp-holding seat disposed above said disk tray, and having a bottom side formed with a clamp opening; a clamp disposed within said clamp opening in said clamp-holding seat and projecting downwardly from said bottom side thereof; a protrusion structure disposed between and mounted on one of said clamp-holding seat and said clamp in such a manner that said protrusion structure is disposed at a first side of said clamp opening; a resilient structure disposed between and mounted on the other one of said clamp-holding seat and said clamp in such a manner that said resilient structure is disposed at a second side of said clamp opening opposite to said first side; and a spindle motor disposed below said disk tray for rotating the disk once said spindle motor is moved upward via said reading opening so as to move the disk to a reading position, where the disk is sandwiched between said clamp and said spindle motor.