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    • 5. 发明申请
    • MAGNETIC DISK CARTRIDGE
    • 磁性磁盘盒
    • WO00033308A1
    • 2000-06-08
    • PCT/JP1999/006279
    • 1999-11-11
    • G11B23/033
    • G11B23/033
    • A magnetic disk cartridge (1) for enhancing the function of preventing a shutter member from coming off because of case deformation due to the shock or bend when the cartridge drops. A disk-shaped magnetic disk medium (6) is rotatably housed in a case (C) which is defined by an upper shell (2) and a lower shell (3). On the end portion of an engaging portion (46) engaging with one end portion of an elastic member (7) of a connecting plate portion (42) of a shutter member (4) for opening/closing a magnetic head loading opening (11) of the case (C), a restraining protrusion (47) is provided which protrudes into a slitlike opening (19) through which the engaging portion (46) slides, so as to restrain deformation of the upper shell (2) and the lower shell (3) in the direction where the slitlike opening (19) is narrowed.
    • 一种磁盘盒(1),用于增强防止挡板构件由于当墨盒下落时由于冲击或弯曲造成的外壳变形而脱落的功能。 盘形磁盘介质(6)可旋转地容纳在由上壳体(2)和下壳体(3)限定的壳体(C)中。 在与用于打开/关闭磁头装载开口(11)的活门构件(4)的连接板部分(42)的弹性构件(7)的一个端部接合的接合部分(46)的端部上, 在壳体(C)中设置有限制突起(47),该限制突起(47)突出到接合部(46)滑动的狭缝状开口(19)中,以便抑制上壳体(2)和下壳体 (3)沿狭缝状开口(19)变窄的方向。
    • 7. 发明授权
    • Disc cartridge with locking shutter having an inserting portion
    • 具有带有插入部分的锁定快门的光盘盒
    • US5822297A
    • 1998-10-13
    • US821781
    • 1997-03-20
    • Hirotoshi Fujisawa
    • Hirotoshi Fujisawa
    • G11B23/03G11B23/033
    • G11B23/0316G11B23/0321G11B23/033G11B23/0332
    • A disc cartridge includes a shutter member movably supported by a cartridge main body accommodating a disc and provided with an aperture for laying a part of the major surface to outside across the inner periphery and the outer periphery of the disc. The disc cartridge further includes a holding member having its proximal side rotatably supported within the cartridge main body and adapted for holding the shutter member in a position of closing the aperture. The shutter member includes a plate portion for opening and closing the aperture of the cartridge main body, a mating engaging portion engaged by a part of the free end of the holding member, an inserting portion adapted for being inserted into a shutter opening groove provided in a lateral side of the cartridge main body and a connecting portion for connecting the plate portion and the inserting portion to each other. The shutter section, the mating engaging part, the inserting portion and the connecting portion are formed integrally from a metal material or a synthetic material. When the shutter member is moved to a position closing the aperture in the cartridge main body, the mating engaging portion of the shutter member is engaged with and maintained by the free end of the holding member for maintaining the aperture in the closed state.
    • 盘盒包括由容纳盘的盒主体可移动地支撑的挡板部件,并且具有用于将主表面的一部分铺设在盘的内周和外周的外部的孔。 盘盒还包括保持构件,其保持构件具有可旋转地支撑在盒主体内并且适于将活门构件保持在关闭孔的位置的近侧。 闸门构件包括用于打开和关闭盒主体的孔的板部分,与保持构件的自由端的一部分接合的配合接合部分,插入部分,适于插入设置在其中的挡板开口槽中 盒主体的侧面和用于将板部分和插入部分彼此连接的连接部分。 闸门部分,配合接合部分,插入部分和连接部分由金属材料或合成材料整体形成。 当活门构件移动到关闭盒主体中的孔的位置时,挡板构件的配合接合部分与保持构件的自由端接合并保持,用于将孔保持在关闭状态。
    • 9. 发明授权
    • Information signal recording and/or reproducing apparatus and a
recording jacket for use therewith
    • 信息信号记录和/或再现装置和与其一起使用的记录外套
    • US4409630A
    • 1983-10-11
    • US214737
    • 1980-12-09
    • Etsuro Saito
    • Etsuro Saito
    • G11B17/03G11B17/04G11B17/34G11B23/033G11B23/50G11B5/016G11B5/82G11B21/08G11B23/02
    • G11B17/041G11B17/03G11B23/033G11B23/505
    • A jacket for positioning a disc-shaped magnetic recording sheet in an information signal recording and/or reproducing apparatus includes an upper plate, a lower plate which cooperates with the upper plate for sandwiching the recording sheet therebetween, and a positioning device for maintaining the upper and lower plates a substantially fixed distance apart and which may include one or more of the following: (1) ferromagnetic pieces mounted in grooves in the outer surfaces of the upper and lower plates and having upper surfaces thereof situated below the outer surfaces of the plates, the ferromagnetic pieces being magnetically attracted by electromagnets or permanent magnets in the apparatus to pull the plates apart a fixed distance; (2) inclined surfaces at the periphery of apertures in the upper and lower plates and the apparatus includes claw-like members for engaging the inclined surfaces to pull the plates apart a fixed distance; (3) openings in the upper and lower plates, for example, central openings in each of the plates and a head insertion opening in one plate and a corresponding slit-like opening situated in opposing relation in the other plate, for maintaining an air pressure balance on both sides of the recording sheet when rotated; (4) spacer members attached to the inner surface of one or both of the upper and lower plates for maintaining a fixed distance therebetween by preventing any deformation of the plates when the jacket is secured in the apparatus by upper and lower position pins.
    • 一种用于在信息信号记录和/或再现装置中定位盘形磁记录纸的外套包括:上板,与上板相配合的用于将记录纸夹在其间的下板;以及定位装置, 和下板基本上固定的距离,并且可以包括以下一个或多个:(1)安装在上板和下板的外表面中的槽中的铁磁件,并且其上表面位于板的外表面之下 铁磁片在设备中由电磁铁或永久磁铁磁吸引,以将板分开一定距离; (2)在上板和下板的孔的周边处的倾斜表面,并且该装置包括用于接合倾斜表面以将板拉开一定距离的爪状构件; (3)上板和下板中的开口,例如每个板中的中心开口和一个板中的头部插入开口和在另一个板中以相对关系设置的相应的狭缝状开口,用于保持空气压力 旋转时平衡记录纸的两面; (4)连接到上板和下板中的一个或两个的内表面的间隔件,用于通过防止当夹套通过上下位置销固定在装置中时板的任何变形来保持其间的固定距离。