Balancing device of actuator in hard disk drive

Details Balancing device of actuator in hard disk drive Balancing device of actuator in hard disk drive

1995-10-10

1998-12-29

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360104, G11B 548

Patent

active

058547215

ABSTRACT:
A balancing device of an actuator in a hard disk drive, for mass balancing an actuator arm which rotates about a pivot bearing. The balancing device includes an actuator arm having a mounting hole at a distal end therein, and being adapted to carry a head gimbal assembly and a balance gimbal; and the balance gimbal having a circular throat protruding from one end thereon and being assembled to actuator arm by mounting the circular throat into the mounting hole of actuator arm and snapping a ball bearing into the circular throat to thereby secure the circular throat against opposite surface of the mounting hole, so as to mass balance the actuator arm when the actuator rotates about its axis of rotation.

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