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热词
    • 7. 发明授权
    • Driving mechanism for a timepiece
    • 钟表的驱动机构
    • US4084403A
    • 1978-04-18
    • US654224
    • 1976-02-02
    • Kiyoshi KitaiMasuo OgiharaKozo SatoNobuo ShinozakiYuzuru TakazawaYoichi Seki
    • Kiyoshi KitaiMasuo OgiharaKozo SatoNobuo ShinozakiYuzuru TakazawaYoichi Seki
    • G04C3/14G04B19/02G04C3/16G04C13/11G04C3/00H02K33/00
    • G04C3/16G04C13/11
    • A driving mechanism including a stepping motor having a rotor which rotates through a certain angular interval each time the stepping motor is energized. A driving member having a plurality of radial slots is mounted for rotation about an axis and is rotated by the rotor. A driven member is mounted for rotation and includes a pin extending therefrom for engaging one of the slots as the driving member rotates and for disengaging from the one of the slots after the driving member has rotated past the certain angular interval, whereby the driven member is rotated through the certain angular interval upon energization of the stepping motor. The driving member includes arcuate peripheral portions over a limited angular extent and concentric with the axis of rotation of the driving member. The driven member includes concave arcuate portions of limited angular extend spaced about the periphery thereof. The driven member is rotatable to a position so that one of the arcuate portions is concentric with the axis of rotation of the driving member and extends along and opposite an arcuate peripheral portion of the driving member for preventing rotation of the driven member when an arcuate peripheral portion of the driving member and one of the corresponding concave arcuate peripheral portions of the driven member are opposed when the stepping motor is not energized.
    • 一种驱动机构,包括步进电动机,该步进电动机每当步进电动机通电时具有旋转一定角度间隔的转子。 具有多个径向槽的驱动构件被安装成围绕一个轴线旋转并被转子旋转。 被驱动构件被安装成旋转,并且包括从该驱动构件旋转经过该特定角度间隔之后,随着驱动构件旋转并与其中的一个槽脱离,从而使驱动构件旋转超过该特定角度间隔,从而使从动构件 在步进电机通电时旋转一定角度间隔。 驱动构件包括有限角度范围的弧形周边部分,并与驱动构件的旋转轴线同心。 被驱动构件包括围绕其周边间隔开的有限角度延伸的凹弧形部分。 被驱动构件可旋转到一个位置,使得弓形部分中的一个与驱动构件的旋转轴线同心,并且沿驱动构件的弓形周边部分延伸并相对于驱动构件的弧形周边部分,用于当弧形周边 驱动构件的一部分和从动构件的相应凹弧形周边部分中的一个在步进电机未通电时相对。