Disc chucking apparatus and disc player having the same

Details Disc chucking apparatus and disc player having the same Disc chucking apparatus and disc player having the same

2005-07-08

2008-07-01

Castro, Angel A (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Reexamination Certificate

active

07395543

ABSTRACT:
A disc chucking apparatus for seating a disc on a turntable in the rotatable state and a disc player having such a disc chucking apparatus is provided. The disc chucking apparatus includes a chuck bracket having a clamper for clamping a disc to a turntable; and a lifting/lowering unit for lifting or lowering the chuck bracket to move the disc to a clamping position where the disc is seated on the turntable in the rotatable state or to a clamping standby position where the disc is separated from the turntable. The lifting/lowering unit includes: a first protrusion part formed at one of first and second ends of the chuck bracket; and a first slider having a first guide slot part formed to be opposite to the first protrusion part so that the first guide slot part receives and guides the first protrusion part to lift or lower the chuck bracket, wherein the first slider is mounted to be capable of reciprocating in the disc loading direction and selectively connected to a power transmission unit, which transmits power from a driving motor, depending on its moving position, thereby being reciprocated. According to the present invention, because the chuck bracket for fixing a clamper for clamping a disc is directly driven by the first slider which is selectively connected to a power transmission unit and reciprocated without intervention of a separate power transmission member such as a subordinate chassis, power transmission to the chuck bracket is smooth and the operation of the chuck can be smoothly executed.

REFERENCES:
patent: 4695996 (1987-09-01), Sugihara et al.
patent: 6097693 (2000-08-01), Nakamichi
patent: 7107603 (2006-09-01), Tuchiya
patent: 2003/0021221 (2003-01-01), Fujimura
patent: 2005/0060734 (2005-03-01), Aoyama et al.
patent: 2002-184079 (2002-06-01), None
patent: 2002-298548 (2002-10-01), None
patent: 2000-9215 (2000-05-01), None
patent: 2000-27123 (2000-05-01), None

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