Protective cartridge for optical discs

Details Protective cartridge for optical discs Protective cartridge for optical discs

1982-06-30

1984-02-21

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

206312, 206313, 369 772, G11B 1704, G11B 2302, B65D 8557

Patent

active

044334109

ABSTRACT:
A protective cartridge is provided for a disc record used in an optical playback system. The protective cartridge is provided with finger members to suspend the disc record in the cavity of the cartridge so that the information bearing surfaces of the disc record do not touch the inside surfaces of the cartridge. When the record package is in storage, the finger members are biased to engage the outside rim of the disc record. Tapered pins provided on the optical player disengage the finger members to permit the disc record to rotate in the optical player.

REFERENCES:
patent: 2285139 (1942-06-01), Andres
patent: 3416150 (1968-12-01), Lindberg
patent: 4097895 (1978-06-01), Spong
patent: 4138703 (1979-02-01), Stave et al.
patent: 4216511 (1980-08-01), Bilek
patent: 4222071 (1980-09-01), Bell
patent: 4274119 (1981-06-01), Hayward et al.
patent: 4277810 (1981-07-01), Helmisch
patent: 4278258 (1981-07-01), Fujita et al.
patent: 4327831 (1982-05-01), Inaba et al.
U.S. patent application Ser. No. 316,659 (Reno) filed Oct. 30, 1981.

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