Actuator fixing apparatus in hard disk drive

Details Actuator fixing apparatus in hard disk drive Actuator fixing apparatus in hard disk drive

1996-02-23

1999-11-02

Cao, Allen T.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555

Patent

active

059781807

ABSTRACT:
An apparatus for rotatably connecting an actuator in a hard disk drive includes a housing coupled to a base of the hard disk drive and having an aperture for enabling rotation of the actuator. A pivot is positioned within the housing and provides a recess for connecting the actuator to the pivot. A lower ball bearing assembly positioned between the housing and the pivot includes: a lower outer wheel, a lower inner wheel and a first ball positioned between the lower outer wheel and the lower inner wheel. An upper ball bearing assembly positioned between the housing and the pivot at a spaced apart location from the lower ball bearing assembly includes: an upper outer wheel, an upper inner wheel and a second ball positioned between the upper outer wheel and the upper inner wheel. The apparatus is configured so that the actuator, the pivot, the lower inner wheel and the upper inner wheel are rotatable within the housing, the lower outer wheel and the upper outer wheel as the actuator extends outwardly from the pivot and the housing through the aperture.

REFERENCES:
patent: 4682255 (1987-07-01), Sleger et al.
patent: 4893206 (1990-01-01), Shtipelman et al.
patent: 5510940 (1996-04-01), Tacklind et al.
patent: 5535074 (1996-07-01), Leung

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