Apparatus for centering and clamping an information recording di

Details Apparatus for centering and clamping an information recording di Apparatus for centering and clamping an information recording di

1983-04-04

1985-02-26

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

369264, 369 772, G11B 906, G11B 1920

Patent

active

045021368

ABSTRACT:
The centering and clamping device consisting: a disk elevator, a disk support, a disk centering assembly, a disk clamping assembly, and a disk rotating assembly. In operation the disk is raised out of the disk insert tray cartridge by the disk elevating means and raised upward to engage a taper on the spindle of the device spin motor, moving upward until the cooperation between the taper on the neck spindle and the tapering on the disk centering collar cause the disk to move laterally until precisely centered on the spindle. Thereafter, the continued upward movement on the disk on the elevator lifting assembly causes a magnet located on the disk support means to come into magnetic contact with a steel plate on the spindle platform, thereby securely clamping the disk to the spindle for rotation. Thereafter, the elevator moved downward and clamping the disk from disk support means, thereby allowing the free rotation of the spindle disk and disk support assembly relative to a stationary elevating means. For removal, the above described procedure is reversed with the elevator moving slightly upward clamping into the disk support assembly, thereby the entire assembly moving downward removing the disk from the spindle the column moving further downward until the disk rests securely in a cartridge for removal from the device.

REFERENCES:
patent: 4232870 (1980-11-01), Iemenschot
patent: 4351047 (1982-09-01), Redlich et al.
patent: 4387454 (1983-06-01), Yamamura et al.

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