Disk cartridge including multiple flexible disks, plural partitioning plates, and a shutter

A recording disk cartridge comprising:

• a plurality of flexible recording disk media which are stacked inside a cartridge case so as to rotate integrally, wherein the cartridge case comprises a lower plate for constructing a lower wall parallel to the plurality of recording disk media, a plurality of inner plates which are stacked and fixed on the lower plate and which partition the plurality of recording disk media, and an upper plate which is stacked and fixed on the plurality of inner plates and constructs an upper wall of the cartridge case, an opening being formed in a part of a side wall constructed of the lower plate, the plurality of inner plates, and the upper plate;
• a lower rotor supported on an inner side of the lower plate so as to rotate:
• an upper rotor supported on an inner side of the upper plate so as to rotate;
• and
• a shutter plate having a height corresponding to a height of the stacked recording disk media, the shutter plate being engaged with the upper rotor an the lower rotor so as to open and close the opening,
• wherein a notch for exposing a recording face of each of the recording disk media is formed in each of the plurality of inner plates, and
• wherein the opening formed with the lower plate, the plurality of inner plates, and the upper plate stacked together in a predetermined sequence is in a position corresponding to a position where the notch is formed.

A recording disk cartridge comprising:

• a plurality of flexible recording disk media which are stacked inside a cartridge case so as to rotate integrally, wherein the cartridge case comprises a lower plate for constructing a lower wall parallel to the plurality of recording disk media, a plurality of inner plates which are stacked and fixed on the lower plate and partition the plurality of recording disk media, and an upper plate which is stacked and fixed on the plurality of inner plates and constructs an upper wall of the cartridge case, an opening being formed in a part of a side wall constructed of the lower plate, the plurality of inner plates, and the upper plate;
• a lower rotor supported on an inner side of the lower plate so as to rotate:
• an upper rotor supported on an inner side of the upper plate so as to rotate:
• a shutter plate having a height corresponding to a height of the stacked recording disk media, the shutter plate being engaged with the upper rotor and the lower rotor so as to open and close the opening;
• and
• at least one side wall member having a height corresponding to a height of the stacked inner plates, a lower end and an upper end of the at least one side wall member being fit in predetermined regions of peripheral rims of the lower plate and the upper plate respectively,
• wherein a notch for exposing a recording face of each of the recording disk media is formed in each of the plurality of inner plates, and
• wherein the opening formed with the lower plate, the plurality of inner plates, and the upper plate stacked together in a predetermined sequence is in a position corresponding to a position where the notch is formed.

A recording disk cartridge comprising:

• a plurality of flexible recording disk media which are stacked inside a cartridge case so as to rotate integrally, wherein the cartridge case comprises a lower plate for constructing a lower wall parallel to the plurality of recording disk media, a plurality of inner plates which are stacked and fixed on the lower plate and which partition the plurality of recording disk media, and an upper plate which is stacked and fixed on the plurality of inner plates and constructs an upper wall of the cartridge case, an opening being formed in a part of a side wail constructed of the lower plate, the plurality of inner plates, and the upper plate:
• a lower rotor supported on an inner side of the lower plate so as to rotate;
• an upper rotor supported on an inner side of the upper plate so as to rotate;
• and
• a shutter plate having a height corresponding to a height of the stacked recording disk media, the shutter plate being engaged with the upper rotor and the lower rotor so as to open and close the opening,
• wherein a rib extending in a vertical direction for a stack face of the plurality of inner plates is formed at a peripheral rim of each of the plurality of inner plates, a lower plate rib for abutting with the rib of a lowermost inner plate is provided on the lower plate, and an upper plate rib for abutting with a rib of an uppermost inner plate is provided on the upper plate.

A recording disk cartridge comprising:

• a plurality of flexible recording disk media which are stacked inside a cartridge case so as to rotate integrally, wherein the cartridge case comprises a lower plate for constructing a lower wall parallel to the plurality of recording disk media, a plurality of inner plates which are stacked and fixed on the lower plate and which partition the plurality of recording disk media, and an upper plate which is stacked and fixed on the plurality of inner plates and constructs an upper wall of the cartridge case, an opening being formed in a part of a side wall constructed of the lower plate, the plurality of inner plates, and the upper plate:
• a lower rotor supported on an inner side of the lower plate so as to rotate:
• an upper rotor supported on an inner side of the upper plate so as to rotate;
• and
• a shutter plate having a height corresponding to a height of the stacked recording disk media, the shutter plate being engaged with the upper rotor and the lower rotor so as to open and close the opening,
• wherein the recording disk media are stacked by engaging center cores of the recording disk media with spacers each disposed between adjacent center cores, and
• wherein each of the spacers stops a relative rotation between the adjacent center cores so as to allow the stacked recording disk media to integrally rotate.

A recording disk cartridge comprising:

• a plurality of flexible recording disk media which are stacked inside a cartridge case so as to rotate integrally, wherein the cartridge case comprises a lower plate for constructing a lower wall parallel to the plurality of recording disk media, a plurality of inner plates which are stacked and fixed on the lower plate and which partition the plurality of recording disk media, and an upper plate which is stacked and fixed on the plurality of inner plates and constructs an upper wall of the cartridge case, an opening being formed in a part of a side wall constructed of the lower plate, the plurality of inner plates, and the upper plate;
• a lower rotor supported on an inner side of the lower plate so as to rotate:
• an upper rotor supported on an inner side of the upper plate so as to rotate;
• and
• a shutter plate having a height corresponding to a height of the stacked recording disk media, the shutter plate being engaged with the upper rotor and the lower rotor so as to open and close the opening,
• wherein a liner is provided on each of an upper face of the lower rotor, upper faces and lower faces of the plurality of inner plates, and a lower face of the upper rotor.

A recording disk cartridge comprising:

• a plurality of flexible recording disk media which are stacked inside a cartridge case so as to rotate integrally, wherein the cartridge case comprises a lower plate for constructing a lower wall parallel to the plurality of recording disk media, a plurality of inner plates which are stacked and fixed on the lower plate and which partition the plurality of recording disk media, and an upper plate which is stacked and fixed on the plurality of inner plates and constructs an upper wall of the cartridge case, an opening being formed in a part of a side wall constructed of the lower plate, the plurality of inner plates, and the upper plate;
• a lower rotor supported on an inner side of the lower plate so as to rotate:
• an upper rotor supported on an inner side of the upper plate so as to rotate;
• and
• a shutter plate having a height corresponding to a height of the stacked recording disk media, the shutter plate being engaged with the upper rotor and the lower rotor so as to open and close the opening,
• wherein the recording disk medium is an optical disk medium.