Means for adhering the magnetic disk to the center core in a mag

Details Means for adhering the magnetic disk to the center core in a mag Means for adhering the magnetic disk to the center core in a mag

1987-09-09

1988-11-29

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

Disk

360133, G11B 582, G11B 2303

Patent

active

047886153

ABSTRACT:
A magnetic disk assemblage rotatably housed in a magnetic disk cartridge comprises a center core which is cylindrical in shape and is provided with a floor, in the center of which is a hole for a drive shaft, and, at its upper edge, with a flange. The flange is provided with a plurality of small through-holes. For assembly, the cylindrical portion is inserted into a central hole formed in the magnetic disk, and the core and disk are fixed together by inserting instantaneous adhesive into the space between the lower surface of the flange and the upper periphery of the holes in the disk, via the through-holes.

REFERENCES:
patent: 3718519 (1973-02-01), Montgomery
patent: 3902949 (1975-09-01), Norman
patent: 4562505 (1985-12-01), Mroz
patent: 4573097 (1986-02-01), Pastor et al.

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