Automatic disc centering mechanism

Details Automatic disc centering mechanism Automatic disc centering mechanism

1989-02-10

1991-10-01

Shoop,, Jr.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

369 771, 369 752, G11B 1704

Patent

active

050540165

ABSTRACT:
A mechanism for centering discs of different diameters includes a generally flat plate containing a plurality of slots, a guide rotatably mounted on one side of the plate for rotation about the axis along which a disc is to be centered, at least three pins, each of which slidably engages one of the slots and protrudes through the plate for engaging the periphery of a disc to be centered, a separate linkage pivotally connected between each of the pins and the guide to coordinate the displacement of the pins in the slots according to the rotation of the guide, and a biasing spring urging the pins toward the ends of the slots closer to the axis. The centering mechanism is employed in a playback apparatus for records, particularly compact discs of different diameters.

REFERENCES:
patent: 4498162 (1985-02-01), Schatteman
patent: 4510591 (1985-04-01), Schatteman
patent: 4523306 (1985-06-01), Staar
patent: 4546396 (1985-10-01), Schatteman
patent: 4561084 (1985-12-01), Satake et al.
patent: 4570194 (1986-02-01), Schatteman
patent: 4625304 (1986-11-01), Kanamaru et al.
patent: 4674079 (1987-06-01), Agostini
patent: 4839880 (1989-06-01), D'Alayer de Costjenore

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