Floppy disk assembly having storage-capacity discrimination mean

Details Floppy disk assembly having storage-capacity discrimination mean Floppy disk assembly having storage-capacity discrimination mean

1995-01-17

1997-05-13

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9906, 369 772, G11B 1704

Patent

active

056298196

ABSTRACT:
A floppy disk assembly is adapted to accommodate a floppy disk having a discrimination hole for discriminating a storage capacity and includes a detecting member, a cassette holding plate, a sliding plate, a lock member, and a rod member. The detecting member detects whether or not the discrimination hole is present. The sliding plate has a projection and is subjected to a spring action for causing the cassette holding plate to slide from a position at which the floppy disk is mounted/dismounted to a position at which writing/reading is performed by a magnetic head. The lock member engages or disengages with the projection on the sliding plate when the floppy disk is dismounted or mounted. A rod member is linked to one end of the lock member and is allowed to rotate as the floppy disk abuts the rod member upon the mounting of the floppy disk. The use of the rod member makes it possible to move the location of the lock member beyond the location of the hole detection member.

REFERENCES:
patent: 4654734 (1987-03-01), Shimaoka et al.
patent: 4995029 (1991-02-01), Kobayashi et al.
patent: 5091815 (1992-02-01), Suzuki
patent: 5091901 (1992-02-01), Yamamoto et al.
patent: 5155638 (1992-10-01), Aikawa et al.
patent: 5173816 (1992-12-01), Ogihara
patent: 5243480 (1993-09-01), Tangi et al.

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