Disc centering device for use in a disc player

Details Disc centering device for use in a disc player Disc centering device for use in a disc player

1984-10-29

1986-02-11

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

G11B 1704

Patent

active

045702560

ABSTRACT:
A disc centering device for centering an information carrier disc having a central aperture in a disc player. A turntable has a cylindrical wall provided at the center portion thereof to guide the information carrier disc to fit therearound. A disc rest portion is formed around the cylindrical wall and supports the information carrier disc. A clamping mechanism is provided for clamping the information carrier disc in cooperation with the disc rest portion of the turntable, the clamping mechanism being movable against the turntable, and the information carrier disc is clamped between the clamping mechanism and the disc rest portion. A centering mechanism is provided for centering the information carrier disc with respect to the turntable by contacting the periphery of the central aperture of the information carrier disc when the information carrier disc is clamped by the clamping mechanism. The centering mechanism has a support arm radially extending in a cantilever fashion from the turntable, the free end of the support arm being located in the vicinity of the cylindrical wall. The support arm is deflectable in a resilient manner when the force is exerted on the free end thereof by the clamping mechanism.

REFERENCES:
patent: 3815146 (1974-06-01), Nash
patent: 3972535 (1976-08-01), Bleiman
patent: 4495613 (1985-01-01), Gagnon
patent: 4499573 (1985-02-01), Morinaga

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