Apparatus to buffer vibration and support an actuator of a...

Details Apparatus to buffer vibration and support an actuator of a... Apparatus to buffer vibration and support an actuator of a...

2005-08-02

2005-08-02

Evans, Jefferson (Department: 2652)

Dynamic magnetic information storage or retrieval

Head mounting

For shifting head between tracks

C360S265400

Reexamination Certificate

active

06924962

ABSTRACT:
An actuator supporting apparatus of a hard disk drive includes a pivot bearing including an inner ring, an outer ring, and a rolling member, which are installed coaxially, to support an actuator arm to pivot. The actuator supporting apparatus also includes a support structure to support upper and lower surfaces of the inner ring, and a buffer member interposed between at least one of the upper and lower surfaces of the inner ring and the support structure, to buffer vibrations and impacts. Thus, a feature of buffering vibrations and impacts by the buffer member is not changed and is constantly maintained, regardless of accumulation of manufacture allowance or a change in the environment. Also, a problem in reliability of a product due to deterioration of structural strength, which occurs in the conventional actuator supporting apparatus, does not occur in the actuator supporting apparatus of the present invention.

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