Disk cartidge with injection molded means

Details Disk cartidge with injection molded means Disk cartidge with injection molded means

1996-11-12

1998-06-09

Levi, Stuart S.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

360133, G11B 2303, G11B 726

Patent

active

057646236

ABSTRACT:
A disk cartridge comprises a case including an upper and lower shell halves for accommodating a disk and an opening portion provided on each shell half, so as to be opened and closed by a shutter. Each shell half is formed by an injection molding of polycarbonate in which a mold having a single injection hole is used. The injection hole is formed in the mold, at a position opposed to a center of a groove in its longitudinal direction on a surface of the case for receiving a retaining plate to guide a front portion of a slide plate of the shutter. The injection hole has a diameter of about 1.5 mm in case of a 5-inch disk cartridge.

REFERENCES:
patent: 4714973 (1987-12-01), Kato et al.
patent: 4827468 (1989-05-01), Odawara et al.
patent: 4866697 (1989-09-01), Yamaguchi et al.
patent: 4945530 (1990-07-01), Sandell et al.
patent: 5161081 (1992-11-01), Machida et al.

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