Turntable apparatus

Details Turntable apparatus Turntable apparatus

1982-02-09

1984-11-06

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

369264, G11B 1704

Patent

active

044816197

ABSTRACT:
A turntable apparatus bears and rotates a disc inserted into a reproducing apparatus for signals recorded on the disc through a casing inlet opening. The turntable apparatus comprises a turntable rotatably supported on a chassis to move vertically and a center spindle rotatably supported coaxially with an axis of rotation of the turntable and received in a recess at the center portion of the turntable to move vertically. When the turntable is in its nonreproducing position, it is located below the casing inlet opening, and the center spindle is wholly contained in the recess. When the turntable is in its reproducing position, it is located above the casing inlet opening to bear the disc thereon, and the center spindle projects above the top surface of the turntable.

REFERENCES:
patent: 4305142 (1981-12-01), Hughes et al.
patent: 4326284 (1982-04-01), Elliott

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