Magnetic disk cartridge

Details Magnetic disk cartridge Magnetic disk cartridge

1996-08-20

1998-01-13

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 23033

Patent

active

057085471

ABSTRACT:
A magnetic disk cartridge has a cassette shell formed of a pair of cassette shell halves encasing a rotatable magnetic disk supported by a center core, the inner surface of at least one cassette shell half lying parallel to the magnetic disk is formed with a recess which reduces the wall thickness of a portion of the cassette shell half, the recess is formed with a step at its periphery and with a ring-shaped projection at a location corresponding to that of a flange portion of the center core, a sheet of elastic material having a liner attached to the surface thereof facing the magnetic disk is fixed on the cassette shell half to cover the recess with a peripheral portion thereof fastened to the step and a center portion thereof supported by the ring-shaped projection. The structure reduces the weight of the cassette shell and enhances its productivity and quality.

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