Disc cartridge having a rotatable shutter
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsTeruyuki Takizawa, Yoshito Sazi, Kuniko Nakata, Hironori Okazawa
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Abstract
A disc cartridge according to the present invention includes a cartridge body and a shutter. The cartridge body includes a disc storage portion, a chucking opening and a head opening. The disc storage portion stores a disc, having first and second sides, therein so that the disc is rotatable in the disc storage portion. The shutter is supported to, and rotatable with respect to, the cartridge body between the second side of the disc and the bottom of the disc storage portion so as to expose or cover the chucking opening and the head opening.
Claims30
A disc cartridge comprising:
- a cartridge body including a disc storage portion, a chucking opening and a head opening, wherein the disc storage portion stores a disc, having first and second sides, therein so that the disc is rotatable in the disc storage portion;
- the chucking opening is formed on the bottom of the disc storage portion so as to get the disc chucked externally;
- and the head opening is also formed on the bottom of the disc storage portion so as to allow a head, which reads and/or writes a signal from/on the second side of the disc, to access the second side of the disc;
- and
- a shutter, which is supported to, and rotatable with respect to, the cartridge body between the second side of the disc and the bottom of the disc storage portion so as to expose or cover the chucking opening and the head opening;
The disc cartridge of claim 7, wherein the head opening reaches a side surface of the cartridge body, and wherein the rotation shafts are provided near another side surface thereof that is opposed to the former side surface.
Dependencies are inferred from the claim text.