Turntable apparatus for disk drive

Details Turntable apparatus for disk drive Turntable apparatus for disk drive

2005-04-05

2005-04-05

Cao, Allen (Department: 2652)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Optical storage medium support

C369S263100

Reexamination Certificate

active

06877164

ABSTRACT:
A turntable apparatus for a disk drive comprises: a rotational shaft of a driving source; a turntable inserted into the rotational shaft so as to be trembled a certain degree toward front and rear, right and left directions; a pivot joint fixed on the rotational shaft from a lower part of the turntable for transmitting a rotational force to the turntable; a guide cap coupled to the rotational shaft from an upper part of the turntable for guiding a disk to be mounted on the turntable; and an elastic member installed between the turntable and the guide cap for providing an expansion elastic force, and thereby, operational reliability of the disk drive can be improved greatly and fabrication cost can be reduced because components producing and assembling operation can be performed easily.

REFERENCES:
patent: 4796140 (1989-01-01), Wakabayashi et al.
patent: 5241530 (1993-08-01), Kobayashi et al.
patent: 5758408 (1998-06-01), Choi
patent: 5761794 (1998-06-01), Choi
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patent: 5995480 (1999-11-01), Naka et al.
patent: 6249504 (2001-06-01), Iwanaga
patent: 6330220 (2001-12-01), Shiga et al.

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