Cartridge having casing with shutter movable to receive discs th

Details Cartridge having casing with shutter movable to receive discs th Cartridge having casing with shutter movable to receive discs th

1991-04-09

1991-12-31

Severin, David J.

Dynamic magnetic information storage or retrieval

Record medium

In container

369291, G11B 2303

Patent

active

050776258

ABSTRACT:
A disc cartridge capable of causing movement of a pickup of a cartridge operating unit with respect to the cartridge and a disc to be simplified to efficiently operate the disc with high reliability and accuracy, enlarging a pickup moving area and ensuring free or desired layout of a pickup. In the disc cartridge, a front wall of a casing defining a pickup inserting hole and a slider are formed with first and second thin-walled sections each having the substantially same level as a surface of the disc, so that a pickup moving area may be enlarged sufficiently to permit only horizontal movement of the pickup to be required.

REFERENCES:
patent: 4648001 (1987-03-01), Komatsu et al.
patent: 4665457 (1987-05-01), Odawara et al.
patent: 4794480 (1988-12-01), Jones et al.
patent: 4805061 (1989-02-01), Champagne et al.
patent: 4811151 (1989-03-01), Kanazawa et al.
patent: 4858050 (1989-08-01), Ashe et al.
patent: 4945530 (1990-07-01), Sandell et al.

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