Magnetic disk cartridge having strip liners

Details Magnetic disk cartridge having strip liners Magnetic disk cartridge having strip liners

1996-08-02

1999-04-27

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

058985522

ABSTRACT:
A magnetic disk cartridge having a plurality of generally rectangular-shaped strip liners placed in sliding contact with a magnetic recording sheet to protect and clean the sheet. The strip liners are provided in pairs on each side of the magnetic recording sheet, each pair having first and second strip liners disposed on opposite sides of a central axis of the magnetic recording sheet. The strip liners for a 3.5 inch floppy magnetic disk cartridge have a length of approximately 4 to 5 cm and a width of approximately 1.6 to 2 cm. The strip liners are formed of a nonwoven fabric and are thermally welded to an inside surface of the upper and lower casings within a circumference of the magnetic recording material. The strip liners reduce manufacturing costs over conventional disk-shaped liners, and also provide a significant improvement in quality.

REFERENCES:
patent: 4626949 (1986-12-01), Brock et al.
patent: 4658318 (1987-04-01), Bauck et al.
patent: 4839765 (1989-06-01), Lam
patent: 4969061 (1990-11-01), Patterson et al.
patent: 5327314 (1994-07-01), Clemons
IBM Technical Disclosure Bulletin vol. 19, No. 12; Bothun; "Encased . . . Magnetic Disc With Wiper", May 1977.

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