Dynamic optical information storage or retrieval – Dynamic mechanism optical subsystem – Transducer carriage or actuator
Reexamination Certificate
2007-04-10
2007-04-10
Castro, Angel (Department: 2627)
Dynamic optical information storage or retrieval
Dynamic mechanism optical subsystem
Transducer carriage or actuator
C720S672000, C720S674000
Reexamination Certificate
active
10956046
ABSTRACT:
A disk drive structure with an adjustable bearing structure for guide bars therein is introduced. The disk drive includes a base, a spindle motor, a main guide bar located aside the spindle motor, a secondary guide bar located also aside the spindle motor but opposing to the main guide bar, an optical pickup head riding at the main guide bar and the secondary guide bar, and four bearing structures to sustain ends of the main guide bar and the secondary guide bar. The disk drive is characterized in that at least one of the four bearing structures is an adjustable bearing structure. The adjustable bearing structure includes a housing, a through hole, a spring arm, and a cam pillar pivotally mounted under the housing and sent into the through hole. By providing the cam pillar and the spring arm to hold the end of the respective guide bar, the position of the guide bar can be adjusted by turning the cam pillar.
REFERENCES:
patent: 5764618 (1998-06-01), Kim
patent: 5995478 (1999-11-01), Park
patent: 6044057 (2000-03-01), Park et al.
patent: 6768248 (2004-07-01), Chandler et al.
patent: 7127730 (2006-10-01), Lu et al.
Birch & Stewart Kolasch & Birch, LLP
Castro Angel
Lite-On It Corporation
Magee Christopher R.
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