Disk drive actuator latch apparatus and method

Details Disk drive actuator latch apparatus and method Disk drive actuator latch apparatus and method

2008-05-20

2008-05-20

Castro, Angel (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

For moving head into/out of transducing position

Reexamination Certificate

active

11139569

ABSTRACT:
An actuator latch apparatus for a disk drive. The latch apparatus includes a metal piece disposed at one end of the swing arm, an attracting part protruded from an edge of the yoke, for attracting the metal piece by a magnetic force of the magnet, a hole formed at a position corresponding to the metal piece of the attracting part, for leaking magnetic flux flowing through the attracting part, a core disposed to move through the hole, and a core transfer device for transferring the core in one direction such that a leading end portion of the core is inserted into the hole when the disk drive operates, and for transferring the core in an opposite direction such that the core is released from the hole when the disk drive is stopped. Accordingly, a locking state of the actuator can be maintained more stably and released more easily.

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