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    • 8. 发明申请
    • Pick-up holder and drive unit for recording medium
    • 拾取架和驱动单元用于记录介质
    • US20050081225A1
    • 2005-04-14
    • US10952433
    • 2004-09-29
    • Katsuhiko TanimotoTakeshi Hamada
    • Katsuhiko TanimotoTakeshi Hamada
    • G11B21/02G11B7/08G11B7/085G11B7/09G11B21/16
    • G11B7/082G11B7/08582
    • A pick-up holder includes a holder component (72) for holding a pick-up (71) for recording and/or reproducing data on or from a recording medium, a shaft (74) for guiding slidably the holder component (72), a skew screw (80) and a guide wall (27) for engaging with the end of the shaft (74), and a torsion bar (82) for biasing the shaft (74) to the side of the skew screw (80) and the guide wall (27), in which the torsion bar (82) biases the shaft (74) in the direction intersecting with the direction that the shaft abuts against respectively the skew screw (80) and the guide wall (27). This arrangement allows the shaft (74) to be biased both in the vertical and lateral directions and to prevent backlashes in the vertical and lateral directions. Accordingly, it is possible to securely fix the shaft (74) and to improve ease of assembly with a simple construction.
    • 拾取架包括用于保持用于在记录介质上记录和/或再现数据的拾取器(71)的保持器部件(72),用于可滑动地引导保持器部件(72)的轴(74) 用于与轴(74)的端部接合的扭斜螺钉(80)和引导壁(27)和用于将轴(74)偏压到歪斜螺钉(80)侧的扭杆(82)和 导向壁(27),其中扭杆(82)在与轴抵接的方向相交的方向上分别偏置轴(74),偏斜螺钉(80)和引导壁(27)。 这种布置允许轴(74)在垂直和横向都被偏压并且防止在垂直和横向方向上的间隙。 因此,可以以简单的结构牢固地固定轴74并且提高组装的容易性。
    • 9. 发明授权
    • Optical pickup apparatus
    • 光拾取装置
    • US5729522A
    • 1998-03-17
    • US748029
    • 1996-11-12
    • Yusuke AkamaIsami KenmotsuTomonari IshikawaOsamu YagisawaKatsuhiko Tanimoto
    • Yusuke AkamaIsami KenmotsuTomonari IshikawaOsamu YagisawaKatsuhiko Tanimoto
    • G11B7/085G11B7/08G11B17/04G11B19/02G11B21/00G11B21/12G11B7/00G11B11/00
    • G11B17/056G11B19/02G11B7/08G11B21/00G11B21/12
    • An optical disk recording and/or reproducing apparatus, records and/or reproduces information on an information record surface of an optical disk loaded thereto. The optical pickup apparatus for the optical disk recording and/or reproducing apparatus is provided with: a base having a pair of plate portions opposed to each other; two types of optical pickups; first and second guiding rails arranged substantially parallel to each other and disposed on the plate portions of the base respectively, for respectively guiding the optical pickups along the information record surface of the loaded optical disk in a radial direction of the loaded optical disk; first and second retracting rails respectively connected to the first and second guiding rails, for retracting thereonto the optical pickups from the first and second guiding rails through linkages with the first and second guiding rails respectively; a rotator frame for holding the first and second retracting rails; a swinger frame, for holding the rotator frame through a first spindle parallel to the first and second retracting rails, held by the base through a second spindle parallel to the first spindle; a swinging mechanism for swinging the swinger frame around the second spindle; and a rotating mechanism for rotating the rotator frame and for swapping the first and second retracting rails to each other after the swinging mechanism swings the swinger frame toward one direction.
    • 一种光盘记录和/或再现装置,在加载到其上的光盘的信息记录表面上记录和/或再现信息。 用于光盘记录和/或再现装置的光学拾取装置设置有:具有彼此相对的一对板部的基部; 两种类型的光学拾音器; 第一和第二导轨彼此基本平行地布置并分别设置在基座的板部分上,用于分别沿着装入的光盘的径向沿着装入的光盘的信息记录表面引导光学拾取器; 分别连接到第一和第二导轨的第一和第二回缩轨道,用于通过与第一和第二导轨的连接分别从第一和第二导轨缩回到光学拾取器上的光学拾取器; 用于保持第一和第二回缩轨道的旋转框架; 摆动框架,用于通过平行于第一和第二回缩轨道的第一主轴保持转动架,该第一主轴由基座通过平行于第一主轴的第二主轴保持; 用于使摆动框架围绕第二主轴摆动的摆动机构; 以及旋转机构,用于在所述摆动机构使所述摆动框架向一个方向摆动之后旋转所述旋转框架并将所述第一和第二缩回轨道彼此交换。