Disc cartridge

Details Disc cartridge Disc cartridge

1984-09-05

1986-12-23

Price, William

Special receptacle or package

For holding a machine readable recording medium

For holding a grooved phonograph disc

206444, 360133, B65D 8557

Patent

active

046307281

ABSTRACT:
In a disc cartridge comprising a disc case (1) having drive shaft insertion holes (3) on the central portion of the disc case (1) and head insertion holes (4), a disc (2) is rotatably mounted in the disc case (1) and liners (12) laid on the respective inner surfaces of each of the halves of the disc case (1) so as to slidably contact with both surfaces of the disc (2), there are formed ribs (15) on said inner surfaces of the disc case so as generally to surround the part of the drive shaft insertion holes (3).

REFERENCES:
patent: 3980178 (1976-09-01), Schidlowski
patent: 4185314 (1980-01-01), Hatchett et al.
patent: 4208117 (1980-06-01), Harvey et al.
patent: 4254864 (1981-03-01), Mikura
patent: 4445157 (1984-04-01), Takahashi
"Cartridge for Magnetic Disk", F. K. King et al., IBM Technical Disclosure Bulletin, vol. 19, No. 7, Dec. 1976, 206/444.
"Self-Pressurized Enclosure for Flexible Magnetic Disks", Boyles, IBM Technical Disclosure Bulletin, vol. 19, No. 8, Jan. 1977, 206/444.
"Flexible Magnetic Disk Stabilizer", Beck et al, IBM Technical Disclosure Bulletin, vol. 20, No. 6, Nov. 1977, 206/444.

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