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1. 发明授权

US5940248A Mechanism in disk drive apparatus for preventing insertion of a disk cartridge when the shutter disk cartridge is closed 失效
标题翻译：用于在快门盘盒关闭时防止插入盘盒的盘驱动装置中的机构
公开(公告)号：US5940248A
公开(公告)日：1999-08-17
申请号：US972128
申请日：1997-11-17
申请人： Osamu Shigenai , Masao Ohkita , Daijo Shibata , Yuji Inada , Makito Takigawa , Toru Sawada
发明人： Osamu Shigenai , Masao Ohkita , Daijo Shibata , Yuji Inada , Makito Takigawa , Toru Sawada
IPC分类号： G11B17/04 , G11B17/02
CPC分类号： G11B17/0436
摘要： A first and second rotary members are supported on a holder 3 secured to a main chassis of disk drive apparatus. The first rotary member includes a detecting portion. The second rotary member includes a contact portion that moves in and out of the insertion path of a disk cartridge to be inserted into the holder. When the disk cartridge is being inserted, an opening-and-closing pin opens the shutter of the disk. Through the detecting portion, the opening shutter rotates the first rotary member, which then rotates the second rotary member to thereby move the contact portion of the second rotary member out of the insertion path of the disk cartridge, allowing the disk cartridge to be inserted. If the shutter fails to open when the disk cartridge is being inserted, the contact portion of the second rotary member will remain in the insertion path and block the insertion of the disk cartridge.
摘要翻译：第一和第二旋转构件被支撑在固定到盘驱动装置的主底盘上的支架3上。第一旋转构件包括检测部。第二旋转构件包括接触部分，其进入和离开插入到保持器中的盘盒的插入路径。当插入磁盘盒时，打开和关闭销打开磁盘的快门。通过检测部分，打开闸门使第一旋转构件旋转，然后第二旋转构件旋转第二旋转构件，从而将第二旋转构件的接触部分移出盘盒的插入路径，从而允许插入盘盒。如果在插入盘盒时快门不能打开，则第二旋转构件的接触部分将保持在插入路径中并阻止盘盒的插入。

2. 发明授权

US4796118A Welded leaf spring mounting for magnetic head assembly of disk drive apparatus 失效
标题翻译：用于磁盘驱动装置的磁头组件的焊接片簧安装
公开(公告)号：US4796118A
公开(公告)日：1989-01-03
申请号：US25213
申请日：1987-03-12
申请人： Masao Ohkita , Kazuo Kobayashi , Kunihiko Gunji , Tadami Sugawara , Osamu Shigenai , Takamichi Fuke
发明人： Masao Ohkita , Kazuo Kobayashi , Kunihiko Gunji , Tadami Sugawara , Osamu Shigenai , Takamichi Fuke
IPC分类号： G11B17/32 , G11B5/48 , G11B5/54 , G11B21/16
CPC分类号： G11B5/4833 , G11B5/54
摘要： There is disclosed a magnetic head assembly for use in a disk drive that can store and retrieve data from a magnetic disk. The assembly has a carriage and an arm on which a lower magnetic head and an upper magnetic head are carried, respectively. A hinged leaf spring is located on the carriage remotely from the heads. The arm can swing about the spring which is welded to the spring mount portion of the carriage.
摘要翻译：公开了一种用于磁盘驱动器中的磁头组件，其可以从磁盘存储和检索数据。该组件具有一个托架和一个臂，分别在其上承载有下磁头和上磁头。铰链板簧位于托架上远离头部。臂可围绕焊接到滑架的弹簧安装部分的弹簧摆动。

3. 发明授权

US5859485A Bearing structure for stepping motor 失效
标题翻译：步进电机轴承结构
公开(公告)号：US5859485A
公开(公告)日：1999-01-12
申请号：US967816
申请日：1997-11-12
申请人： Kenji Uehara , Shigeru Yamaguchi , Masao Ohkita
发明人： Kenji Uehara , Shigeru Yamaguchi , Masao Ohkita
IPC分类号： G11B21/02 , G11B7/085 , G11B21/08 , H02K7/08 , H02K15/16 , H02K37/00
CPC分类号： G11B21/081 , G11B7/08582 , H02K7/081 , F16H2057/0213
摘要： A bearing structure for a stepping motor including a stepping motor, a screw shaft integrated with the stepping motor, and a bearing member formed of a molding resin material for supporting a distal end of the screw shaft, wherein a cone-shaped recess is formed in the distal end of the screw shaft, and a dome-shaped projection to be in abutment with the recess is formed on the bearing member.
摘要翻译：一种用于步进电动机的轴承结构，包括步进电动机，与步进电动机一体化的螺杆轴和由用于支撑螺杆轴的远端的模制树脂材料形成的轴承部件，其中形成锥形凹部螺杆轴的远端以及与凹部邻接的圆顶状突起形成在轴承部件上。

4. 发明授权

US5796547A Disk cartridge and drive mechanism thereof 失效
标题翻译：磁盘盒及其驱动机构
公开(公告)号：US5796547A
公开(公告)日：1998-08-18
申请号：US722411
申请日：1996-10-01
申请人： Masao Ohkita , Harutaka Sekiya
发明人： Masao Ohkita , Harutaka Sekiya
IPC分类号： G11B17/028 , G11B23/00 , G11B23/03
CPC分类号： G11B17/0282 , G11B23/0035 , G11B23/0312
摘要： A disk cartridge and a disk cartridge drive mechanism are disclosed. The disk cartridge includes a flexible recording disk with a hub at the central portion thereof, and a cartridge case containing the recording disk, with the hub having formed therein a chucking hole and a positioning hole. In order to rotate the recording disk by loading it into the disk cartridge drive mechanism, the chucking hole is defined by two straight-line portions that intersect to form a corner against which a spindle shaft of the disk cartridge mechanism is capable of being pushed, and the positioning hole is defined by a contact portion with which a drive pin of the disk cartridge drive mechanism is capable of coming into contact only in the direction of rotation of the recording disk.
摘要翻译：公开了一种磁盘盒和磁盘盒驱动机构。磁盘盒包括在其中心部分具有轮毂的柔性记录盘，以及容纳记录盘的盒壳体，其中形成有卡盘孔和定位孔。为了通过将记录盘装载到盘盒驱动机构中来旋转记录盘，夹紧孔由相交的两个直线部分限定，以形成能够推动盘盒机构的主轴的角部，并且定位孔由磁盘盒驱动机构的驱动销能够仅在记录盘的旋转方向上接触的接触部分限定。

5. 发明授权

US5101305A Disk drive device including a V-shaped air filter 失效
标题翻译：磁盘驱动装置包括V形空气过滤器
公开(公告)号：US5101305A
公开(公告)日：1992-03-31
申请号：US678467
申请日：1991-04-01
申请人： Masao Ohkita , Makito Takikawa , Isao Asano
发明人： Masao Ohkita , Makito Takikawa , Isao Asano
IPC分类号： G11B5/55 , G11B25/04
CPC分类号： G11B5/5521 , G11B25/043
摘要： A magnetic disk drive device for reading-out/writing-in information on/from a disk which comprises a yoke plate for rotatably supporting an actuator by a pair of bearings; a stopper for restricting the rotation range of said actuator; a solenoid bracket integrated in the yoke plate; a lock mechanism for locking said actuator at the innermost peripheral of the disk; a base plate having a recess for securing the yoke plate; an air filter formed in V-shape to purify air in said case; and a back-tension regulating piece in contact with a flexible print board.
摘要翻译：一种用于从盘读出信息的磁盘驱动装置，包括用于通过一对轴承可转动地支撑致动器的轭板; 用于限制所述致动器的旋转范围的止动件; 集成在轭板中的电磁铁支架; 用于将所述致动器锁定在所述盘的最内周边处的锁定机构; 具有用于固定所述轭板的凹部的基板; 形成为V形的空气过滤器以净化所述壳体中的空气; 以及与柔性印刷板接触的背张力调节片。

6. 发明授权

US5099374A Disk drive with improved structure for fastening bearing assembly to rotor and housing 失效
标题翻译：磁盘驱动器具有改进的结构，用于将轴承组件紧固到转子和壳体
公开(公告)号：US5099374A
公开(公告)日：1992-03-24
申请号：US678789
申请日：1991-04-01
申请人： Masao Ohkita , Makito Takikawa , Isao Asano
发明人： Masao Ohkita , Makito Takikawa , Isao Asano
IPC分类号： G11B5/55 , G11B25/04
CPC分类号： G11B5/5521 , G11B25/043
摘要： A magnetic disk drive device for reading-out/writing-in information on/from a disk which comprises a yoke plate for rotatably supporting an actuator by a pair of bearings; a stopper for restricting the rotation range of said actuator; a solenoid bracket integrated in the yoke plate; a lock mechanism for locking said actuator at the innermost peripheral of the disk; a base plate in which a recess for securing the yoke plate; an air filter formed in V-shape to purifying air in said case; and a back-tension regulating piece in contact with a flexible print board.
摘要翻译：一种用于从盘读出信息的磁盘驱动装置，包括用于通过一对轴承可转动地支撑致动器的轭板; 用于限制所述致动器的旋转范围的止动件; 集成在轭板中的电磁铁支架; 用于将所述致动器锁定在所述盘的最内周边处的锁定机构; 基板，其中固定所述轭板的凹部; 形成为V形的空气过滤器以净化所述壳体中的空气; 以及与柔性印刷板接触的背张力调节片。

7. 发明授权

US4851941A Disk drive apparatus having fine adjustment structure for disk pressing pad 失效
标题翻译：具有用于盘压垫的微调结构的盘驱动装置
公开(公告)号：US4851941A
公开(公告)日：1989-07-25
申请号：US19037
申请日：1987-02-26
申请人： Masao Ohkita , Shinichi Omori
发明人： Masao Ohkita , Shinichi Omori
IPC分类号： G11B17/34 , G11B17/04 , G11B17/32 , G11B5/012
CPC分类号： G11B17/041 , G11B17/32
摘要： Disclosed is a disk drive apparatus in which relative positional relation of head and recording medium is optimized in order to assure the best condition for the recording and replay of picture. Namely, the height of pad can be changed so that the relative positional relation of recording medium surface and head can be optimized by the adjusting screws provided to the fulcrum point of pad and accordingly satisfactory condition of contact between the head and recording medium surface can be assured.
摘要翻译：公开了一种磁盘驱动装置，其中头和记录介质的相对位置关系被优化以便确保图像的记录和重放的最佳状态。也就是说，可以改变垫的高度，使得可以通过设置在垫的支点的调节螺钉来优化记录介质表面和头部的相对位置关系，并且因此令人满意的头部和记录介质表面之间的接触状态可以是保证。

8. 发明授权

US4765782A Cutter 失效
标题翻译：刀具
公开(公告)号：US4765782A
公开(公告)日：1988-08-23
申请号：US18929
申请日：1987-02-25
申请人： Masao Ohkita
发明人： Masao Ohkita
IPC分类号： B23C5/12 , B23C3/32 , B23F21/16 , B26D1/12
CPC分类号： B23C3/32 , B23F21/16 , Y10T407/172 , Y10T407/1956 , Y10T407/1962
摘要： A cutter for forming a spiral groove on a work is provided.The cutter comprises a cylindrical body provided on the outer periphery thereof with a plurality of cutting edges arranged circumferentially at equal intervals and displaced axially by a predetermined pitch. Further, each of the cutting edges is provided with a pair of additional cutting edges adjacent thereto and displaced circumferentially on both sides, respectively, so that when the work and the cutter are rotated in the same direction, a high-precision spiral groove is formed on the work.A screw-shaft machined by the cutter according to the present invention is effectively used for a carriage transfer unit of a still video floppy disk drive, allowing accurate adjustment of the portion of the carriage and accurate transfer of the carriage with respect to the disk to be performed in a simple manner and at low cost.
摘要翻译：提供了用于在工件上形成螺旋槽的切割器。切割器包括在其外周上设置有多个切割边缘的圆柱体，多个切割边缘以等间隔周向布置并以预定间距轴向移位。此外，每个切削刃设置有一对相邻的附加切削刃，并且分别在两侧分别位移，使得当工件和切割器沿相同方向旋转时，形成高精度螺旋槽上班根据本发明的由切割机加工的螺杆轴被有效地用于静止视频软盘驱动器的托架传送单元，允许对托架的一部分进行精确的调节并且将滑架相对于盘的精确传送到以简单的方式和低成本执行。

9. 发明授权

US06429919B1 Reflector having pits and projection on a surface thereof, manufacturing method for the same, and reflection-type liquid crystal display device employing the reflector 失效
标题翻译：在其表面上具有凹坑和突起的反射器，其制造方法和使用反射器的反射型液晶显示装置
公开(公告)号：US06429919B1
公开(公告)日：2002-08-06
申请号：US09649298
申请日：2000-08-28
申请人： Tomomasa Takatsuka , Koichi Moue , Masao Ohkita , Tatsuya Moriike , Tetsushi Tanada , Akito Miura , Mitsuru Kano
发明人： Tomomasa Takatsuka , Koichi Moue , Masao Ohkita , Tatsuya Moriike , Tetsushi Tanada , Akito Miura , Mitsuru Kano
IPC分类号： G02F11335
CPC分类号： G02F1/133553
摘要： A brighter and whiter reflector provides high reflection efficiency over a wide range of angles. An indenting tool is pressed against the surface of a matrix base material; the pressing operation is repeated while changing the position of the indenting tool on the surface of the base material for the matrix to successively form many pits, the inner surfaces of which are shaped like partial spheres, on the mold surface of the matrix base material so as to provide it as the matrix for forming the reflector. Then, a transfer mold having a mold surface which has a reversed pattern of the pits and projections of the mold surface of the matrix is made, and the mold surface of the transfer mold is transferred to the surface of the base material for the reflector to provide a reflector (1). Pits (4) of the reflector (1) are formed so that the depths the pits (4) range from 0.1 &mgr;m to 3 &mgr;m, the tilt angles of the inner surfaces of the pits (4) are distributed in the range of −18 degrees to +18 degrees, and the pitches between adjoining pits (4) range from 5 &mgr;m to 50 &mgr;m. A reflection type liquid crystal display device in accordance with the present invention is equipped with the reflector (1).
摘要翻译：更亮和更白的反射器在广泛的角度提供高反射效率。将压痕工具压在矩阵基材的表面上; 重复按压操作，同时改变基体材料表面上的压痕工具的位置，以在基体材料的模具表面上依次形成许多凹坑，其内表面形状为局部球形，以提供它作为形成反射器的矩阵。然后，制造具有模具表面的转印模具，该模具表面具有基体的模具表面的凹坑和突起的相反图案，并且转印模具的模具表面被转移到用于反射器的基材的表面提供反射器（1）。形成反射器（1）的凹坑（4），使得凹坑（4）的深度范围为0.1μm至3μm，凹坑（4）内表面的倾斜角分布在-18° 度至+18度，相邻凹坑（4）之间的间距范围从5um到50um。根据本发明的反射型液晶显示装置配备有反射器（1）。

10. 发明授权

US5012366A Magnetic head supporting device 失效
标题翻译：磁头支撑装置
公开(公告)号：US5012366A
公开(公告)日：1991-04-30
申请号：US515380
申请日：1990-04-27
申请人： Masao Ohkita , Yasuhiro Akiyama , Makito Takikawa , Yoshihiko Arayama
发明人： Masao Ohkita , Yasuhiro Akiyama , Makito Takikawa , Yoshihiko Arayama
IPC分类号： G11B17/32 , G11B17/34 , G11B21/21
CPC分类号： G11B17/32
摘要： A magnetic head supporting device for supporting a magnetic head for writing information in and/or reproducing recorded information from a flexible magnetic disk. The magnetic head supporting device comprises a holding plate for holding the magnetic head, and a base plate attached to the holding plate and fastened to the carriage of a magnetic disk driving apparatus so that the magnetic head is supported opposite to the magnetic disk loaded on the turn table of the magnetic disk driving apparatus. The holding plate is provided in its upper surface with a positive pressure creating section in its front end to create a positive pressure for floating the magnetic disk, a floating section in its radially opposite sides to float the magnetic disk stably, and a negative pressure creating section in its central area to create a negative pressure for attracting the magnetic disk. The magnetic head is disposed in the negative pressure creating section with its extremity slightly penetrating a plane including the floating section.
摘要翻译：一种磁头支撑装置，用于支撑用于在软磁盘中写入信息和/或再现记录信息的磁头。磁头支撑装置包括用于保持磁头的保持板和安装在保持板上并固定到磁盘驱动装置的托架上的基板，使得磁头被支撑在与装载在磁盘上的磁盘相对的位置转盘驱动装置。保持板的上表面在其前端设置有正压力产生部，以产生用于浮动磁盘的正压力，在其径向相对侧的浮动部分，以使磁盘稳定地浮动，产生负压在其中心区域产生吸引磁盘的负压。磁头设置在负压产生部分中，其端部稍微穿过包括浮动部分的平面。

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