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    • 3. 发明公开
    • 척킹 장치를 구비한 모터 및 이 모터를 탑재한 디스크 구동 장치
    • 具有切割装置的电动机和配备有其的盘驱动装置
    • KR1020080085721A
    • 2008-09-24
    • KR1020080024575
    • 2008-03-17
    • 니혼 덴산 가부시키가이샤
    • 다카키히토시이와이유스케구라모토사토루다타라다츠야
    • G11B17/028
    • G11B17/0282G11B17/028
    • A motor with a chucking device and a disk driving apparatus employing the motor are provided to prevent damage to a disk by forming a large space between the upper and lower surfaces of a center case. A motor comprises a shaft, a rotor magnet, a bearing member, and a rotor holder(22) having a cover part and a shaft fixing part. The rotor holder includes a cylindrical center projection formed on the center of the cover part to receive a portion of an upper part of the bearing member, and a chucking device(40) placed at its upper part. The chucking device includes a center case(41), an elastic member, and a claw member. The center case includes a cylindrical part, a cover part, and a base part, wherein only the base part is in contact with the outer periphery of the shaft fixing part.
    • 提供具有夹紧装置的电动机和使用电动机的盘驱动装置,以通过在中心壳体的上表面和下表面之间形成较大的空间来防止对盘的损坏。 电动机包括轴,转子磁体,轴承构件和具有盖部分和轴固定部分的转子保持器(22)。 转子保持器包括形成在盖部分的中心的圆柱形中心突出部,用于容纳轴承部件的上部的一部分,以及放置在其上部的夹紧装置(40)。 夹持装置包括中心壳体(41),弹性部件和爪部件。 中心壳体包括圆柱形部分,盖部分和基部,其中仅基部与轴固定部的外周接触。
    • 7. 发明公开
    • 모터 및 디스크 구동 장치
    • 电机和磁盘驱动器
    • KR1020090031995A
    • 2009-03-31
    • KR1020080092734
    • 2008-09-22
    • 니혼 덴산 가부시키가이샤
    • 다카키히토시이와이유스케다타라다츠야
    • H02K5/16H02K29/00
    • A motor and a disk driving apparatus are provided to prevent a surface vibration of a disk by preventing a rotation vibration of a disk mounting unit of a turntable. A motor comprises a shaft(21), a bush(24), and a turntable(231). The shaft is an axis of rotation. The bush has a cylindrical shape. An inner circumference of the bush is fixed on an outer circumference of the shaft. The turntable includes a first and a second cylindrical unit(2314), a first planar unit(2313), a second planar unit(2315), and a mounting unit. An inner circumference of the first cylindrical unit is fixed on an outer circumference of the bush. The second cylindrical unit is extended from an outer circumference of the first planar unit to a bottom side of an axis direction. The second planar unit is extended from a bottom part of the second cylindrical unit to an outer side of a diameter direction. A disk is mounted on the mounting unit. The mounting unit is formed on an outer circumference of the second planar unit.
    • 提供电动机和盘驱动装置,以通过防止转盘的盘安装单元的旋转振动来防止盘的表面振动。 电动机包括轴(21),衬套(24)和转台(231)。 轴是旋转轴。 衬套有圆柱形。 衬套的内圆周固定在轴的外周上。 转盘包括第一和第二圆柱形单元(2314),第一平面单元(2313),第二平面单元(2315)和安装单元。 第一圆柱形单元的内圆周固定在衬套的外圆周上。 第二圆筒形单元从第一平面单元的外周延伸到轴向的底侧。 第二平面单元从第二圆柱形单元的底部延伸到直径方向的外侧。 磁盘安装在安装单元上。 安装单元形成在第二平面单元的外周上。
    • 8. 发明公开
    • 브러시리스 모터 및 브러시리스 모터를 탑재한 디스크 구동장치
    • 无刷电机和磁盘驱动器安装相同
    • KR1020080031125A
    • 2008-04-08
    • KR1020070099191
    • 2007-10-02
    • 니혼 덴산 가부시키가이샤
    • 이와이유스케우치무라도모야구라모토사토루호리시겐
    • G11B17/028G11B17/02G11B19/20
    • G11B17/0282H02K5/1675H02K7/085
    • A brushless motor and a disk drive equipped with the same are provided to improve rotor retaining mechanism since upward motion of the rotor is restricted by a retaining piece making contact with a retaining claw and upward motion of the retaining piece is restricted by contact between the retaining member and a turntable. A brushless motor comprises a turntable(6) for mounting a disk with a mounting hole at the center, a rotor(R) having a shaft(8) serving as a rotary shaft attached directly or indirectly to the turntable, a bearing rotatably supporting the shaft, and a housing having a cylinder part with an inner peripheral surface fixing the bearing. The turntable has a central concave opened downward in an axial direction to receive a part of the cylinder part of the housing. A retaining claw is provided on the upper outer surface of the cylinder part, projecting outward in a radial direction. A retaining member(20) is attached to the bottom of the turntable, comprising a mounting base and a plurality of retaining pieces, wherein the retaining member is disposed axially lower than the retaining claw, with the rotor mounted onto the housing. When the rotor is mounted onto the housing, as the retaining pieces make contact with the retaining claw, the outer periphery of the retaining piece is inclined axially downward and the inner periphery of the retaining piece making contact with the retaining claw is inclined axially upward. When the rotor moves axially upward with respect to the housing after the rotor has been mounted onto the housing, the inner periphery makes contact with the retaining claw and the outer periphery makes contact with the bottom of the turntable.
    • 为了改善转子保持机构,提供无刷马达和磁盘驱动器,因为转子的向上运动受到与保持爪接触的保持件的限制,保持件的向上运动受到保持件之间的接触的限制 会员和转盘。 无刷电动机包括:转盘(6),用于在中心安装具有安装孔的盘,具有作为直接或间接附接到转台的旋转轴的轴(8)的转子(R),可旋转地支撑 轴和具有固定轴承的内周面的圆筒部的壳体。 转盘具有沿轴向向下敞开的中央凹部,以容纳壳体的圆筒部分的一部分。 保持爪设置在气缸部分的上外表面上,沿径向向外突出。 保持构件(20)附接到转台的底部,包括安装基座和多个保持件,其中,保持构件轴向地设置在比保持爪低的位置,转子安装在壳体上。 当转子安装在壳体上时,当保持件与保持爪接触时,保持件的外周向下倾斜,保持件与保持爪接触的内周向轴向上倾斜。 当转子已经安装到壳体上之后转子相对于壳体轴向向上移动时,内周与保持爪接触,并且外周与转台的底部接触。
    • 9. 发明公开
    • 척킹 장치, 척킹 장치를 탑재한 브러시리스 모터 및 브러시리스 모터를 탑재한 디스크 구동 장치
    • 切割装置,电动机和磁盘驱动器,其中安装有装置
    • KR1020080017274A
    • 2008-02-26
    • KR1020070083531
    • 2007-08-20
    • 니혼 덴산 가부시키가이샤
    • 다카키히토시이와이유스케우치무라도모야구라모토사토루
    • G11B17/028G11B17/04G11B17/05G11B17/051
    • G11B17/0282
    • A chucking device, a brushless motor with the chucking device, and a disk drive device with the brushless motor are provided to prevent elastic members from being bent upward in the axial direction even when hook members are moved down, by arranging projections only at the contact places with inner surfaces of the hook members. A chucking device(200) comprises a cylindrical part, a center setting case, hook members(220), elastic members, and a turn table. The center setting case is formed with a plurality of openings. The hook members are contacted with the center hole of the disk. The hook members have hook parts and moving assistance parts. The moving assistance parts, arranged at the sides of the hook parts, have a rotary point part(222a) which is the center of downward rotation in the axial direction, and a moving support part(222b) moving in the diameter direction of the hook parts. The center setting case has a rotary point receiving part(217) receiving the rotary point part, and a moving support receiving part receiving the moving support part.
    • 提供一种夹持装置,具有夹持装置的无刷电动机和具有无刷电动机的盘驱动装置,以防止弹性构件在轴向上向上弯曲,即使当钩构件向下移动时,仅通过在触点 钩构件内表面的位置。 夹紧装置(200)包括圆柱形部件,中心固定壳体,钩部件(220),弹性部件和转台。 中心设置壳体形成有多个开口。 钩构件与盘的中心孔接触。 钩构件具有钩部和移动辅助部。 设置在钩部侧的移动辅助部件具有沿轴向向下旋转的中心的旋转点部(222a),沿着钩的直径方向移动的移动支撑部(222b) 部分。 中心设置壳体具有接收旋转点部的旋转点接收部(217)和容纳移动支撑部的移动支撑承受部。
    • 10. 发明授权
    • 모터 및 디스크 구동 장치
    • 电动和驱动装置
    • KR101198003B1
    • 2012-11-05
    • KR1020110064885
    • 2011-06-30
    • 니혼 덴산 가부시키가이샤
    • 이와이유스케다케우치히토시나카니시고스케
    • G11B19/20G11B17/028
    • 모터의 회전부에 고정되는 척킹 장치는, 센터 케이스, 센터 케이스내에 수용되는 복수의 탄성 부재 및 각 탄성 부재에 가압되는 클로 부재를 구비한다. 센터 케이스는, 수지 재료로 형성되고, 가이드부의 일부 및 해당 일부로부터 직경방향 내측을 향하여 케이스 상부가 노치되어 구성되는 복수의 제 1 개구부와, 제 1 개구부와 원주방향으로 교대로 배치되는 복수의 조심 클로와, 케이스 기부의 면으로부터 제 1 개구부를 향하여 연장되는 복수의 기부 돌기부와, 기부 돌기부의 축방향 상방에 대해 케이스 상부에 구성되는 제 2 개구부를 구비한다. 센터 케이스가 성형될 때에 형성되는 게이트 자국은, 케이스 상부상에 있어서, 각 조심 클로의 원주방향의 중심과 중심축을 연결하는 직선과, 해당 각 직선으로부터 회전방향 전방에 있어서 가장 가깝게 배치된 개구부 사이의 영역, 또는 각 조심 클로의 원주방향의 중심과 중심축을 연결하는 직선과, 해당 각 직선으로부터 회전방향 후방에 있어서 가장 가깝게 배치된 개구부 사이의 영역에 배치된다.