Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1996-08-19
1999-01-19
Letscher, George J.
Dynamic magnetic information storage or retrieval
Record medium
In container
369291, 403277, 403297, G11B 2303, F16B 400
Patent
active
058620249
ABSTRACT:
A magnetic disk cartridge has a first cassette shell half provided with engagement holes and a second cassette shell half provided with engagement pins. Each engagement hole has an entrance portion enabling insertion of an engagement pin and a shoulder-like engagement portion following the entrance portion. Each engagement pin has an elastic structure enabling it to be compressed and is formed at its tip portion with a bulged portion. The bulged portion is formed at its distal end with a tapered portion and at its proximal end with a sloped provisional retaining surface. The first and second cassette shell halves are formed on inner surfaces thereof with abutting surfaces. The cassette shell halves are provisionally assembled in the final assembly step by bringing the sloped provisional retaining surface of the bulged portion of the engagement pin engaged with the engagement hole into engagement with the shoulder-like engagement portion and bringing the abutting surfaces into abutment with each other. The cassette shell obtained by provisionally assembling the cassette shell halves therefore has high dimensional precision and can be easily disassembled before permanent assembly if necessary.
REFERENCES:
patent: 4564878 (1986-01-01), Weavers et al.
patent: 4706148 (1987-11-01), Komiyama et al.
patent: 5241451 (1993-08-01), Walburn et al.
patent: 5362172 (1994-11-01), Hubbling
patent: 5629823 (1997-05-01), Mizuta
Fuji Photo Film Co. , Ltd.
Iomega Corp.
Letscher George J.
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