Hard disk assembly having a pivot bearing assembly comprising fi

Details Hard disk assembly having a pivot bearing assembly comprising fi Hard disk assembly having a pivot bearing assembly comprising fi

1996-06-28

1998-05-26

Renner, Craig A.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555

Patent

active

057575886

ABSTRACT:
A head disk assembly for a hard disk drive employs a rotary actuator apparatus including a pivot shaft that defines an actuator axis of rotation. A pivot bearing assembly including a pivot bushing having a plurality of fingers supports rotation of the actuator about the pivot shaft. Each of a plurality of fingers has a bearing end that is in sliding contact with the pivot shaft. The fingers are formed from a material in a shape that provides the stiffness and low coefficient of friction necessary for the desired pivot bearing performance.

REFERENCES:
patent: 4979063 (1990-12-01), Ghose et al.
patent: 5355268 (1994-10-01), Schulze
patent: 5510940 (1996-04-01), Tacklind et al.
patent: 5559652 (1996-09-01), Heath et al.

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