Chucking apparatus

Details Chucking apparatus Chucking apparatus

2004-11-16

2009-02-17

Chen, Tianjie (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Optical storage medium support

Reexamination Certificate

active

07493632

ABSTRACT:
A chucking apparatus in which a plurality of pawl bodies are provided in a radial direction of a hub body of a turntable such that said pawl bodies can move, a center hole of a disk is pressed by said pawl bodies to hold said disks wherein said chucking apparatus comprises a resilient member for biasing said pawl bodies outward of said hub body, each of said pawl bodies includes a pawl portion which comes into contact with said disk, and a pawl-side stopper for limiting outward movement of the pawl bodies caused by said resilient member, said hub body includes a pawl opening through which said pawl portion can project outward, and a hub-side stopper which abuts against said pawl-side stopper, and a coil spring is used as said resilient member, and an outer end of said coil spring is provided at a location lower than an inner end of said coil spring.

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Chinese Office Action dated Aug. 31, 2007.
English translation of Chinese Office Action, Aug. 15, 2007.

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