Disc cartridge

Details Disc cartridge Disc cartridge

G - Physics

11

B

G11B 23/03 (2006.01)

Patent

CA 2484524

A disc cartridge includes a cartridge body, first and second shutters, and a rotational member. The cartridge body includes a disc storage portion to store a disc in a rotatable state, a chucking hole provided on the bottom of the disc storage portion so as to get the disc chucked externally, and a head access window provided on the bottom of the disc storage portion so as to allow a head, which reads and/or writes data from/on the disc, to access the disc. The first and second shutters are provided so as to expose or cover the head access window by rotating in the disc storage portion. The rotational member is provided so as to rotate in the disc storage portion, too. The first and second shutters are interlocked with the rotational member so as to rotate in mutually opposite directions and at respectively different velocities.

L'invention a trait ~ une cartouche de disques, qui comprend un corps de cartouche, des premier et second volets, et un ~l~ment rotatif. Le corps de cartouche comprend une partie de stockage de disque, destin~e ~ stocker un disque ~ l'~tat rotatif, un trou de retenue plac~ sur le fond de la partie de stockage de disque afin de retenir le disque de mani­re externe, et une fenÚtre d'acc­s de tÚte situ~e sur le fond de la partie de stockage de disque afin de permettre ~ une tÚte, qui lit et/ou ~crit des donn~es depuis le disque et sur ce dernier, d'acc~der au disque. Les premier et second volets sont plac~s de mani­re ~ exposer ou ~ couvrir la fenÚtre d'acc­s de tÚte en tournant dans la partie de stockage de disque. L'~l~ment rotatif est ~galement plac~ de mani­re ~ tourner dans la partie de stockage de disque. Les premier et second volets sont en prise avec l'~l~ment rotatif, afin qu'ils tournent dans des sens oppos~s et ~ des vitesses respectives diff~rentes.

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