Actuator latch mechanism for hard disk drive

Details Actuator latch mechanism for hard disk drive Actuator latch mechanism for hard disk drive

2007-10-23

2007-10-23

Castro, Angel (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

For moving head into/out of transducing position

Reexamination Certificate

active

10981651

ABSTRACT:
An actuator latch mechanism of a hard disk drive locks an actuator when the hard disk drive is not operating, and the actuator includes a swing arm rotatably installed to a base member, a VCM coil coupled to one end portion of the swing arm, and a magnet facing the VCM coil. The actuator latch mechanism includes a notch portion protruding from the end portion of the swing arm; a latch lever pivotally installed to the base member and having a hook engaging the notch portion at one end thereof when the actuator is locked; a protrusion protruding from an edge of the magnet toward the latch lever; a first iron core installed to the end portion of the swing arm and applying a first torque to the swing arm by a flux generated from the protrusions; and a second iron core installed to the other end of the latch lever and applying a second torque to the latch lever by the flux generated from the protrusion.

REFERENCES:
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patent: 5448436 (1995-09-01), Albrecht
patent: 5663855 (1997-09-01), Kim et al.
patent: 6535357 (2003-03-01), Misso et al.
patent: 7050269 (2006-05-01), Hong et al.
patent: 2000-222838 (2000-08-01), None
patent: 10-2001-0017121 (2001-03-01), None
patent: 2002-100140 (2002-04-01), None
patent: 2002-1835 (2002-01-01), None

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