US 6,296,115 B1Granted

Case for containing disk type recording medium

AssigneePioneer Corporation

InventorsMasashi Kurosawa, Toshiyasu Kondo

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Abstract

A case 1 for containing a disk type recording medium 2 provided with a center bore 5, a clamped part 3 and a recording part 4 comprises a cartridge 6 and a protective case 7 which is detachably mounted on the cartridge. The cartridge 6 consists of a lid body 11 including a center opening 27 and a first annular projection 28 formed around the center opening 27, and a cartridge body 12 including a center opening 16 and an opening 17. The clamped part 3 of the disk type recording medium 2 is adapted to be exposed through the center openings 16 and 27. The protective case 7 includes a plate part 29, a second annular projection 33 and an engaging portion 34. The second annular projection 33 enters into the center opening 16. The disk type recording medium 2 is positioned between the annular projections 28 and 33 with the engaging portion 34 engaged with the center bore 5.

Claims5

Dependent claims

A case for containing disk type recording medium provided with a center bore and a recording part, said case comprising a cartridge adapted to contain said disk type recording medium and including an opening through which at least a portion of said recording part of said disk type recording medium is exposed, and a protective case detachably mounted on said cartridge and adapted to cover said opening when mounted on said cartridge,

said cartridge consisting of
a first case member adapted to cover one surface of said disk type recording medium and including a center opening through which said center bore of said disk type recording medium and an adjacent area around said center bore are adapted to be exposed, and a first annular projection formed around said center opening and projecting toward said disk type recording medium, and
a second case member adapted to cover the other surface of said disk type recording medium and including a center opening through which said center bore of said disk type recording medium and an adjacent area around said center bore are adapted to be exposed,
said protective case including a second annular projection which enters into said center opening of said second case member to come into contact with said adjacent area around said center bore of said disk type recording medium.

1 more element

Dependencies are inferred from the claim text.