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    • 2. 发明授权
    • Disk cartridge and disk recording medium device having shutter members
    • 具有快门部件的磁盘盒和磁盘记录介质装置
    • US07284254B2
    • 2007-10-16
    • US10432090
    • 2002-09-05
    • Manabu ObataYuji IwakiMitsuyoshi KawaguchiMitsunori Matsumura
    • Manabu ObataYuji IwakiMitsuyoshi KawaguchiMitsunori Matsumura
    • G11B3/70
    • G11B23/0308G11B33/1446
    • The present invention relates to a disk cartridge in which a disk-like recording medium such as an optical disk, a magneto-optical disk and a magnetic disk is accommodated within a disk compartment of a cartridge housing, a disk recording medium device in which the disk-like recording medium is accommodated in advance within the disk compartment so as to become freely rotatable and a disk recording and/or reproducing apparatus for recording and/or reproducing information by using this disk recording medium device.A disk cartridge according to the present invention comprises a cartridge housing in which a disk compartment is formed by combining an upper shell and a lower shell and in which an opening portion is formed on the lower shell and the like and a pair of shutter members provided on the cartridge housing so as to become movable between the opening position at which the opening portion is opened and the closing position at which the opening portion is closed and which has joint portions that are joined to each other at the closing position, wherein a rectangular groove portion and a rib portion that can be engaged with each other are provided on each joint portion of a pair of shutter members over approximately the total length of the joint portion.According to the present invention, a dust-proof property of the joint portions, which are joined to each other, of a pair of shutter members can be enhanced. Thus, it is possible to provide the disk cartridge, the disk recording medium device and the disk recording and/or reproducing apparatus in which dusts, smudges and so on are difficult to enter the disk compartment.
    • 本发明涉及一种盘盒,其中诸如光盘,磁光盘和磁盘的盘状记录介质容纳在盒壳体的盘室内,盘记录介质装置,其中 盘状记录介质预先容纳在盘室内以便可自由旋转,并且盘记录和/或再现装置通过使用该盘记录介质装置来记录和/或再现信息。 根据本发明的磁盘盒包括盒壳体,其中通过组合上壳体和下壳体形成盘室,并且其中开口部分形成在下壳体等上,并且提供一对挡板部件 在盒壳体上能够在打开部分打开的打开位置和打开部分关闭的关闭位置之间移动,并且在关闭位置具有彼此接合的接合部分,其中矩形 沟槽部分和可以彼此接合的肋部分设置在大致接合部分的总长度上的一对活门部件的每个接合部分上。 根据本发明,能够提高一对活门构件相互接合的接合部的防尘性。 因此,可以提供其中灰尘,污迹等难以进入盘室的盘盒,盘记录介质装置和盘记录和/或再现装置。
    • 5. 发明授权
    • Method for producing inner shell for a disc cartridge
    • 用于制造盘盒的内壳的方法
    • US07103898B2
    • 2006-09-05
    • US11038954
    • 2005-01-18
    • Yuji IwakiShuichi KikuchiTeiko HoshiNaoki InoueManabu ObataMitsuyoshi Kawaguchi
    • Yuji IwakiShuichi KikuchiTeiko HoshiNaoki InoueManabu ObataMitsuyoshi Kawaguchi
    • G11B23/03
    • G11B23/0326G11B23/0308G11B23/0316
    • A method for producing an inner shell used for a disc cartridge in which an optical disc, an inner shell and shutter members are housed in a main cartridge body unit. The inner shell provided in the main cartridge body unit includes a first molded portion, provided with an aperture, a second molded portion having a resin injection port and molded at a position where the aperture is formed, and a flanged thin-walled section connecting the first and second molded portions to each other. The method includes the steps of injecting molten resin into a cavity defined by a fixed metal die and a movable metal die for molding the first molded portion, the second molded portion, and the flanged thin-walled section, and severing the flanged thin-walled section by a punch provided to the movable metal die before the molten resin injected into the cavity is cooled and solidified.
    • 一种用于制造用于盘盒的内壳的方法,其中光盘,内壳和挡板部件容纳在主盒体单元中。 设置在主盒体单元中的内壳包括设置有孔的第一模制部分,具有树脂注入口的第二模制部分,并且在形成该孔的位置处模制,以及连接该壳体的凸缘薄壁部分 第一和第二模制部分彼此。 该方法包括以下步骤:将熔融树脂注入到由固定金属模具和用于模制第一模制部分,第二模制部分和带凸缘的薄壁部分的可移动金属模具限定的空腔中,并且将法兰薄壁 在注入到空腔中的熔融树脂被冷却和固化之前通过设置到可移动金属模具的冲头的截面。