公开(公告)号：US6108298A

公开(公告)日：2000-08-22

申请号：US59578

申请日：1998-04-14

申请人： Yukio Miyazaki ,  Masaru Ikebe ,  Masatoshi Okamura ,  Akio Momoi

发明人： Yukio Miyazaki ,  Masaru Ikebe ,  Masatoshi Okamura ,  Akio Momoi

IPC分类号： G11B23/03

CPC分类号： G11B23/0307

摘要： A disc cartridge of a three-piece structure capable of enhancing moldability and rigidity of a center frame. The center frame having a square-like shape is interposedly arranged between an upper plate and a lower plate and has a receiving space defined therein for receiving a disc-like medium. The upper and lower plates are provided on four corners thereof with fixing bosses respectively. The center frame is formed on opposite surfaces thereof with fitting recesses in which the bosses are fitted, respectively. The center frame is formed on each corner thereof with a thin-wall portion having a reduced thickness of 50 to 80% based on a whole thickness of the center frame.

摘要翻译： 一种三片式结构的盘盒，能够提高中心框架的成型性和刚性。 具有正方形形状的中心框架设置在上板和下板之间，并且具有限定在其中的用于容纳盘状介质的容纳空间。 上板和下板分别在其四个角上设置有固定凸台。 中心框架在其相对表面上形成有分别安装有凸台的装配凹部。 中心框架在其每个角上形成有具有基于中心框架的整体厚度减小的厚度为50至80％的薄壁部分。

公开(公告)号：US06370108B1

公开(公告)日：2002-04-09

申请号：US09220182

申请日：1998-12-23

申请人： Masaru Ikebe ,  Masatoshi Okamura

发明人： Masaru Ikebe ,  Masatoshi Okamura

IPC分类号： G11B2300

CPC分类号： G11B23/0303 ,  G11B23/0317

摘要： A disc cartridge capable of enhancing operability of both a cover and an erasure preventing plug while ensuring smooth removal of a disc shaped medium therefrom. An upper casing member and a lower casing member are formed with cutouts, respectively, and the cover is provided with projections fitted in the cutouts of the upper casing member and lower casing member, respectively. The cutouts of the upper casing member and lower casing member and the projections of the cover cooperate with each other to provide an operation hole for the erasure preventing plug and a detection hole therefor, respectively.

摘要翻译： 一种能够提高盖和防擦除插头的可操作性的盘盒，同时确保从其中平滑地移除盘形介质。 上壳体构件和下壳体构件分别形成有切口，并且盖设置有分别装配在上壳体构件和下壳体构件的切口中的突起。 上壳体构件和下壳体构件的切口和盖的突起彼此配合以分别为防擦除塞和检测孔提供操作孔。

公开(公告)号：US06307831B1

公开(公告)日：2001-10-23

申请号：US09095411

申请日：1998-06-10

申请人： Yukio Miyazaki ,  Masaru Ikebe ,  Masatoshi Okamura

发明人： Yukio Miyazaki ,  Masaru Ikebe ,  Masatoshi Okamura

IPC分类号： G11B2303

CPC分类号： G11B23/0301

摘要： A disc cartridge of a three-piece structure capable of being kept from being caught in an information recording/reproducing apparatus during loading/unloading thereof with respect to the apparatus. The disc cartridge includes an upper plate, a lower plate, and a center frame arranged between the upper plate and the lower plate, which are joined to each other to form a casing in which a disc-like medium is received. The upper plate defines the whole upper surface region of the disc cartridge, whereas the lower plate defines the whole lower surface region of the disc cartridge. The disc cartridge also includes an engaged structure in which an engagement structure of the information recording/reproducing apparatus is engagedly fitted. The engaged structure is constituted by only the lower plate.

摘要翻译： 一种三件式结构的盘盒，其能够在相对于该装置的装载/卸载期间不被卡在信息记录/再现装置中。 盘盒包括上板，下板和布置在上板和下板之间的中心框架，它们彼此连接以形成容纳盘状介质的壳体。 上板限定盘盒的整个上表面区域，而下板限定盘盒的整个下表面区域。 盘盒还包括啮合结构，其中信息记录/再现装置的接合结构被啮合地装配在其中。 接合结构仅由下板构成。

公开(公告)号：US6094326A

公开(公告)日：2000-07-25

申请号：US909897

申请日：1997-08-12

申请人： Masaru Ikebe ,  Masatoshi Okamura

发明人： Masaru Ikebe ,  Masatoshi Okamura

IPC分类号： G11B23/03 ,  G11B7/26

CPC分类号： G11B23/0308

摘要： A disc cartridge capable of ensuring smooth operation of a shutter while decreasing a size of the shutter, permitting the shutter to be made of inexpensive rein and being applied to both a double-direction sliding shutter structure and a single-direction sliding shutter structure. The shutter includes an upper plate, a lower plate and a connection for connecting the upper and lower plates to each other therethrough. The disc cartridge further includes a slider for slidably guiding the shutter and a spring for urging the shutter in a closing direction. The connection of the shutter is provided with a lug against which a shutter operation member of a recording/reproducing apparatus is abutted. The slider is arranged in the lug while being kept in contact with an inner surface of the lug.

摘要翻译： 一种盘盒，其能够确保快门的平稳操作，同时减小快门的尺寸，从而允许快门由廉价的装置制成并被施加到双向滑动闸门结构和单向滑动快门结构。 闸门包括上板，下板和用于将上板和下板彼此连接的连接件。 盘盒还包括用于可滑动地引导快门的滑块和用于沿关闭方向推动活门的弹簧。 快门的连接设置有凸耳，记录/再现装置的快门操作部件与该凸耳抵接。 滑块被布置在凸耳中，同时保持与凸耳的内表面接触。

公开(公告)号：US4769730A

公开(公告)日：1988-09-06

申请号：US781677

申请日：1985-09-30

申请人： Masatoshi Okamura ,  Haruo Shiba

发明人： Masatoshi Okamura ,  Haruo Shiba

IPC分类号： G11B23/087 ,  G11B23/50 ,  G11B23/02

CPC分类号： G11B23/502 ,  G11B23/08735

摘要： In a magnetic tape cassette of the type having a guard panel disposed at the front opening of the cassette housing to cover the opening when the cassette is in storage and expose it when in use, an electrically conductive tape, consisting of a metal foil supported by a base of plastic film, is affixed with adhesive or by ultrasonic welding or other technique to the inner surface of the guard panel. The metal foil may be located on either side of the base of the conductive tape to face the magnetic tape or the guard panel.

摘要翻译： 在这种类型的磁带盒中，具有设置在磁带盒外壳的前开口处的防护板，以便当磁带盒处于存储状态并在使用时将其暴露，导电胶带由金属箔构成，金属箔由 塑料薄膜基底，用粘合剂或超声波焊接或其他技术固定在防护板的内表面上。 金属箔可以位于导电带的基部的任一侧上以面对磁带或防护板。

公开(公告)号：US4504027A

公开(公告)日：1985-03-12

申请号：US493237

申请日：1983-05-10

申请人： Masatoshi Okamura ,  Haruo Shiba

发明人： Masatoshi Okamura ,  Haruo Shiba

IPC分类号： G11B23/087 ,  B65H75/28 ,  G11B15/67

CPC分类号： G11B15/674 ,  Y10T24/44043 ,  Y10T24/44154

摘要： A magnetic tape clamping device comprises an upper band portion, legs formed at both ends of the upper band portion and an elastically deformable lower band portion connecting the lower ends of the legs and being adapted to be fitted into a recess formed in a reel hub to clamp the end of a magnetic tape. The lower band portion of the magnetic tape clamping device is so formed that the thickness of both edge portions is smaller than that of the central portion.

摘要翻译： 磁带夹紧装置包括上带部分，形成在上带部分的两端的腿部和连接腿的下端的可弹性变形的下带部分，并适于装配到形成在卷轴毂中的凹部中 夹住磁带的末端。 磁带夹紧装置的下带部分形成为两个边缘部分的厚度小于中心部分的厚度。

公开(公告)号：US4371286A

公开(公告)日：1983-02-01

申请号：US285291

申请日：1981-07-20

申请人： Masatoshi Okamura ,  Haruo Shiba

发明人： Masatoshi Okamura ,  Haruo Shiba

IPC分类号： F16B5/02 ,  G11B23/04 ,  G11B23/08 ,  G11B23/087 ,  B25G3/00 ,  F16G11/00

CPC分类号： G11B23/08785 ,  G11B23/04 ,  Y10T403/69 ,  Y10T403/7073

摘要： A tapping boss formed in one piece with the upper half casing for joining the lower half casing of a magnetic tape cassette comprises a stem having a cross sectional area slightly larger than the diameter of a tapping screw to receive the screw and a plurality of ribs which project radially from the cylindrical surface of said stem and whose top portions provide contact shoulders for the boss supporter of a lower half casing.

摘要翻译： 与用于接合磁带盒的下半壳体的上半壳体一体形成的攻丝凸起包括具有稍大于接收螺钉的自攻螺钉的直径的横截面积的杆，以及多个肋， 从所述杆的圆柱形表面径向地突出，并且其顶部为下半壳的凸台支撑件提供接触肩。

公开(公告)号：US4181272A

公开(公告)日：1980-01-01

申请号：US926959

申请日：1978-07-21

申请人： Haruo Shiba ,  Masatoshi Okamura

发明人： Haruo Shiba ,  Masatoshi Okamura

IPC分类号： G11B15/67 ,  G11B23/037 ,  B65H75/28

CPC分类号： G11B15/674 ,  G11B23/037

摘要： A tape cassette reel comprises a special clamp which is fitted to a groove of a hub. The clamp comprises an upper rib, a pair of legs extended from the upper rib; a lower rib inserted between the legs and a projected part formed on the lower rib. The projected part is fitted to a cavity formed at the bottom of the groove of the hub. A tape is completely clamped on the hub by the clamp without failure.

摘要翻译： 磁带盒卷轴包括装配到轮毂凹槽的专用夹具。 夹具包括上肋，从上肋延伸的一对腿; 插入在腿之间的下肋和形成在下肋上的突出部。 突出部分安装到形成在轮毂凹槽底部的空腔中。 胶带通过夹具完全夹紧在轮毂上，而不会发生故障。

公开(公告)号：US5657938A

公开(公告)日：1997-08-19

申请号：US558922

申请日：1995-11-13

申请人： Masatoshi Okamura ,  Hiroshi Kaneda ,  Haruo Shiba

发明人： Masatoshi Okamura ,  Hiroshi Kaneda ,  Haruo Shiba

IPC分类号： G11B23/087 ,  G11B23/04

CPC分类号： G11B23/08785

摘要： A tape cassette having a synthetic resin casing accommodating a tape-like medium composed of an upper half casing, a lower half casing and a front lid, the upper and lower half casings being integrated by a plurality of fixing portions. A plurality of fixing portions are disposed at first positions which are outside of a second position of the front lid. Slackening of screw fixation of the upper and lower half casings is preventing and incapacitance in rotating the front lid due to melt-bonding of the front lid and the upper half casing is avoided.

摘要翻译： 一种盒式磁带，其具有容纳由上半壳体，下半壳体和前盖构成的带状介质的合成树脂壳体，所述上半壳体和下半壳体由多个固定部分一体化。 多个固定部设置在位于前盖的第二位置的第一位置。 上，下半壳的螺钉固定松弛是避免前盖和上半壳熔接而使前盖旋转不能进行的。

公开(公告)号：US5492283A

公开(公告)日：1996-02-20

申请号：US97321

申请日：1993-07-26

申请人： Masatoshi Okamura ,  Takashi Namioka ,  Haruo Shiba

发明人： Masatoshi Okamura ,  Takashi Namioka ,  Haruo Shiba

IPC分类号： G11B23/087 ,  G11B23/113

CPC分类号： G11B23/113

摘要： A tape cassette capable of permitting a reel spring to be readily and accurately positioned on a casing for its mounting to highly improve workability and productivity in manufacturing of the tape cassette. The tape cassette includes a reel spring which is abutted against tape reels for elastically holding them. The reel spring comprises a spring body formed at an intermediate portion thereof in a longitudinal direction thereof with a plurality of mounting holes through which the reel spring is mounted on an inner surface of an upper casing member. The spring body is provided on each of both sides thereof in the longitudinal direction with one or two positioning recesses, each of which is positioned adjacent to each of the mounting holes.

摘要翻译： 能够使卷轴弹簧容易且准确地定位在壳体上用于其安装的带盒，以高度提高制造带盒的可操作性和生产率。 磁带盒包括一个与弹簧夹持的磁带盘对接的卷轴弹簧。 卷轴弹簧包括在其长度方向的中间部分处形成有多个安装孔的弹簧体，卷轴弹簧通过该安装孔安装在上壳体部件的内表面上。 弹簧体沿纵向方向设置在两侧的一个或两个定位凹槽中，每个定位凹槽与每个安装孔相邻。