Patent ID: 7697235

Claim:
A magnetic disk drive, comprising: a base; a disk assembly including at least one magnetic disk, the disk assembly mounted rotatably on the base; and an actuator assembly including at least one actuator having a magnetic head, the actuator assembly mounted swingably on the base; a ramp configured to allow the magnetic head to access the magnetic disk; wherein the base includes a first guide configured to guide a shroud disposed on the base from a corresponding first initial placement position to a first target position at which the shroud is to be disposed, the first guide including a first positioning portion, against which the shroud abuts at the corresponding first target position, wherein the first guide includes a first guide groove that continues from the first initial placement position to the first target position, and wherein the base further includes a second guide configured to guide a spoiler disposed on the base from a corresponding second initial placement position to a second target position at which the spoiler is to be disposed, the second guide including a second positioning portion, against which the spoiler abuts at the corresponding second target position.