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    • 1. 发明授权
    • Disc driving device employing a seven drive head positioning unit
    • 盘式驱动装置采用七驱动头定位单元
    • US4779155A
    • 1988-10-18
    • US15922
    • 1987-02-18
    • Masao OhkitaShinichi OmoriAtsushi Masuda
    • Masao OhkitaShinichi OmoriAtsushi Masuda
    • G11B21/08G11B5/55G11B21/02G11B21/10
    • G11B5/5521Y10T74/19721
    • In a disc driving device with a carriage moving means including a screw shaft formed with a single spiral groove on an outer circumference thereof, the spiral groove being formed by a plurality of circumferential groove portions each having a greatly small lead angle and a straight bottom, the groove portions being sequentially shifted in an axial direction of the screw shaft, a stepping motor for rotatively driving the screw shaft, and a carriage having an engagement means adapted to be engaged with the spiral groove; the improvement is characterized in that each of the groove portions is divided into three parts, that is, a central small groove corresponding to a normal track position and both adjacent small grooves corresponding to a fine adjustment position, and that both the adjacent small grooves are axially shifted from the central small groove by an amount required for predetermined fine adjustment.
    • 在具有滑架移动装置的盘驱动装置中,所述滑架移动装置包括在其外圆周上形成有单个螺旋槽的螺杆,所述螺旋槽由多个具有非常小的引导角的圆周槽部和直的底部形成, 所述槽部沿所述螺杆轴的轴向顺序地移动,用于旋转地驱动所述螺杆的步进马达和具有适于与所述螺旋槽接合的卡合装置的托架; 其特征在于,每个槽部被分成三个部分,即对应于正常轨道位置的中心小凹槽和对应于微调位置的两个相邻小凹槽,并且两个相邻小凹槽是 从中央小凹槽轴向移动预定微调所需的量。
    • 3. 发明授权
    • Method of producing magnetic head device
    • 制造磁头装置的方法
    • US4875276A
    • 1989-10-24
    • US327223
    • 1989-03-22
    • Ryu YunokuchiShinichi OmoriMasao Ohkita
    • Ryu YunokuchiShinichi OmoriMasao Ohkita
    • G11B5/48G11B5/56G11B5/60G11B17/32
    • G11B17/32G11B5/48G11B5/56Y10T29/49025Y10T29/49027
    • A method of producing a magnetic head with use of a mounting jig which comprises a head projection amount setting member having a flat portion adapted to contact an upper surface of a vacuum generating member formed with a vacuum generating recess and having a recessed portion recessed from the flat portion by a predetermined depth corresponding to a projection amount of a magnetic head to be projected from a substantially central through-hole of the vacuum generating member; a presser member mounted on a side of the flat portion of the head projection amount setting member and provided with presser pawls for holding the vacuum generating member and pressing the same against the flat portion of the head projection amount setting member; an inclination adjusting member for adjusting parallelism of the magnetic head; and a height adjusting member connected to the presser member and the head projection amount setting member for adjusting a vertical position of the head projection amount setting member with respect to the magnetic head.
    • 一种使用安装夹具制造磁头的方法,该安装夹具包括具有平坦部分的头部突起量设定构件,该平坦部分适于与形成有真空产生凹部的真空产生构件的上表面接触,并且具有从该凹部 平坦部分相当于从真空产生部件的大致中心通孔突出的磁头突出量的预定深度; 安装在头突出量设定部件的平坦部分的一侧的按压部件,并设置有用于保持真空发生部件并将其按压在头部突出量设定部件的平坦部分上的压脚; 倾斜调节构件,用于调节磁头的平行度; 以及高度调节构件,其连接到所述按压构件和所述头部突出量设定构件,用于调节所述头部突出量设定构件相对于所述磁头的垂直位置。
    • 4. 发明授权
    • Loading/ejecting mechanism in disk driving device having sliding plate
below the turntable motor
    • 具有滑板的盘驱动装置中的装载/排出机构位于转盘电机下方
    • US4772973A
    • 1988-09-20
    • US884
    • 1987-01-06
    • Masao OhkitaShinichi Omori
    • Masao OhkitaShinichi Omori
    • G11B17/04G11B17/043G11B25/04
    • G11B17/0434G11B25/043
    • A disk driving device having a reduced thickness and formed in a compact construction, comprising a cartridge holder for holding a disk cartridge carrying a disk for recording information, a sliding plate for moving the cartridge holder toward and away from a turntable, a motor for rotatively driving the turntable, and a frame holding the motor and having a bottom plate along which the sliding plate slides for disk cartridge loading and ejecting operations. The motor supporting parts of the frame is raised slightly from the bottom plate of the frame toward the cartridge holder so that part of the sliding plate is allowed to extend in the clearance between the bottom plate and the motor supporting parts of the frame and the clearance between the bottom plate and part of the motor facing the bottom plate, for free sliding movement.
    • 具有减小的厚度并形成为紧凑结构的盘驱动装置,包括用于保持携带用于记录信息的盘的盘盒的盒保持器,用于将盒保持器朝向和远离转盘移动的滑板,用于旋转的电动机 驱动转盘和保持电动机并具有底板的框架,滑动板滑动以便进行盘盒装载和排出操作。 框架的电动机支撑部分从框架的底板朝向盒保持器稍微升高,使得滑板的一部分允许在底板和框架的电动机支撑部分之间的间隙中延伸,并且间隙 底板与电机的一部分面向底板,用于自由滑动。