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    Disk cartridge
    1.
    发明公开
    Disk cartridge 有权
    Plattenkassette

    公开(公告)号：EP2485219A1

    公开(公告)日：2012-08-08

    申请号：EP12002318.9

    申请日：2007-10-11

    申请人： Panasonic Corporation

    发明人： Ezawa, Kozo ,  Inata, Masahiro ,  Takizawa, Teruyuki ,  Tomita, Hironori

    IPC分类号： G11B23/03 ,  G11B17/043

    CPC分类号： G11B23/0308 ,  G11B17/043

    摘要： The present invention relates to an improved disc cartridge 203 comprising first and second disc housing portions 920, 930 each of which defines a space to house a portion of a disk 910 with an information storage layer on at least one side thereof and which house the disk 910 in its entirety when put together; a supporting base member 940 that has a disk housing rotating and supporting portion for rotating and supporting the first and second disk housing portions 920, 930 so as to open or shut a window 900A with respect to the disk 910 such that the disk 910 gets chucked externally, and a head is able to access the disk 910 and read and write information from/on the information storage layer thereof, through the window 900A; and a locking member 950, 960 for keeping the first and second disk housing portions 920, 930 closed from rotating, wherein the supporting base member 940 has at least one side surface that crosses, at right angles, a line segment that connects together the respective centers of rotation of the first and second disk housing portions 920, 930, and wherein the side surface runs parallel to the disk 910 housed in the first and second disk housing portions 920, 930 and has a main groove 940AL, 940AR that includes a bottom, an opening on the bottom, and a protrusion 947L, 947R on the bottom, and wherein the locking member 950, 960 includes a locking/unlocking portion 952, 962 for unlocking the first and second disk housing portions 920, 930 externally, and wherein the locking/unlocking portion 952, 962 protrudes through the opening of the main groove 940AL, 940AR to first and second levels C1, C2, C3, C4 when the first and second disc housing portions 920, 930 are locked and when the first and second disk housing portions 920, 930 are unlocked, respectively, the second level C1, C2 being lower than the first level C3, C4, a level B5, B6 reached by the protrusion 947L, 947R on the bottom of the main groove 940AL, 940AR being lower than the first level C3, C4 but higher than the second level C1, C2.

    摘要翻译： 本发明涉及一种改进的盘盒203，其包括第一和第二盘容纳部分920,930，每个盘容纳部分920,930在其至少一个侧面上限定用于容纳具有信息存储层的盘910的一部分的空间，并且容纳盘 910整体放在一起; 具有用于旋转和支撑第一和第二盘容纳部分920,930的盘壳体旋转和支撑部分以便相对于盘910打开或关闭窗口900A的支撑基部构件940，使得盘910被夹紧 并且头部能够通过窗口900A访问盘910并从其信息存储层读取/写入信息; 以及用于保持第一和第二盘壳体部分920,930不旋转的锁定构件950,960，其中支撑底座构件940具有至少一个侧面，该侧面以直角交叉连接在一起， 第一和第二盘容纳部分920,930的旋转中心，并且其中侧面平行于容纳在第一和第二盘容纳部分920,930中的盘910延伸，并且具有主槽940AL，940AR，其包括底部 ，底部的开口和底部上的突起947L，947R，并且其中锁定构件950,960包括用于从外部解锁第一和第二盘壳体部分920,930的锁定/解锁部分952,996，并且其中 当第一和第二盘收纳部分920,930被锁定时，锁定/解锁部分952,962突出穿过主槽940AL，940AR的开口到第一和第二等级C1，C2，C3，C4，当第一 并且第二盘容纳部分920,930分别解锁，第二电平C1，C2低于第一电平C3，C4，由主槽940AL的底部上的突起947L，947R到达的电平B5，B6， 940AR低于第一级C3，C4但高于第二级C1，C2。