Disk cartridge with lubricating means in contact with spindle of

Details Disk cartridge with lubricating means in contact with spindle of Disk cartridge with lubricating means in contact with spindle of

1990-02-14

1992-04-07

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 9905, G11B 2303, G11B 5016

Patent

active

051033631

ABSTRACT:
In a disk cartridge of the invention, a lubricating polymer film as a resin in which a solid lubricant or a reinforcing material is dispersed is arranged in a case near the center hole of a disk. Since this lubricating polymer film is hardly abraded even with a disk whose number of revolutions per unit time is high, almost no dust is generated. Therefore, a disk cartridge with higher reliability can be provided.

REFERENCES:
patent: 3919719 (1975-11-01), Wright et al.
patent: 4544977 (1985-10-01), Ozawa et al.
patent: 4608617 (1986-08-01), Oishi et al.
patent: 4637959 (1987-01-01), Ninomiya et al.
patent: 4660119 (1987-04-01), Kato et al.
patent: 4754356 (1988-06-01), Cooper
patent: 4768123 (1988-08-01), Iizuka et al.
patent: 4855857 (1989-08-01), Ono et al.
patent: 4899244 (1990-02-01), Morse

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