Patent ID: 7729090

Claim:
A disk drive device comprising: a disk-shaped recording medium; a head slider including a head element for recording data in the disk-shaped recording medium and reading the recorded data; an actuator including a head arm having the head slider mounted thereon, the actuator being for unloading the head arm to an escape position and loading the head arm from the escape position so that the head slider is disposed close to a surface of the disk-shaped recording medium; and an inertia latch mechanism for latching and stopping the actuator in the escape position when an impact is applied thereto in a state where the actuator is located in the escape position, wherein the inertia latch mechanism includes: a latch member capable of swinging between a release position of the actuator and a latching position of the actuator around a specified swing shaft, the latch member moving from the release position of the actuator to the latching position thereof to latch the actuator when the impact is applied thereto; an inertia member swinging by inertial force of the impact to move the latch member when the impact is applied thereto, such that the inertia member is free of contact with the actuator; a fixed member fixed at a specified position of the disk drive device; and a swing permitting member for permitting the swing of the inertia member, the swing permitting member being interposed between the fixed member and the inertia member.