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    • 5. 发明授权
    • Idler gear transfer control apparatus for reel drive apparatus of a
video cassette tape recorder
    • 用于盒式录像机的卷盘驱动装置的惰轮传动控制装置
    • US5657939A
    • 1997-08-19
    • US559462
    • 1995-11-15
    • Haksun HwangInki CheonSang Jig LeePohyoung KohHyeoksoo ParkSungwoo Choi
    • Haksun HwangInki CheonSang Jig LeePohyoung KohHyeoksoo ParkSungwoo Choi
    • G11B15/44G11B15/26
    • G11B15/444
    • An idler gear transfer control apparatus for a reel drive apparatus of a VCR, is disclosed, wherein the VCR includes a reversible motor, a base, a shaft disposed at the base, an input gear rotatably disposed on the shaft for receiving a driving force from the motor, and an idler arm having one end rotatably connected to the shaft and another end carrying an idler gear connected to the input gear, the idler arm being movable about the shaft for engaging the input gear, the idler arm being movable about the shaft for engaging the idler gear selectively with a supply reel gear or a take-up reel gear, whereby the driving force of the motor is selectively transferred to the supply reel gear or the tape-up reel gear in accordance with a rotation direction of the input gear. The idler gear transfer control apparatus includes a plurality of stoppers provided at the one end of the idler arm connected to the shaft for limiting the movements of the idler arm, and a cassette lock release having a flat top surface for selectively engaging with the stoppers, wherein the idler gear is moved by the driving force of the motor and contacts the supply reel gear or the take-up reel gear, before or at the same time one of the stoppers contacts the flat top surface of the cassette lock release.
    • 公开了一种用于VCR的卷轴驱动装置的惰轮传动控制装置,其中VCR包括可逆电机,基座,设置在基座上的轴,可旋转地设置在轴上的输入齿轮,用于接收来自 电动机和一个惰轮,其一端可旋转地连接到轴,另一端承载连接到输入齿轮的空转齿轮,该惰轮可围绕轴移动以接合输入齿轮,该惰轮可围绕该轴移动 用于将惰轮选择性地与供带盘齿轮或卷取卷轴齿轮啮合,由此马达的驱动力根据输入的旋转方向选择性地传递到供带盘齿轮或带式磁带盘齿轮 齿轮。 空转齿轮传动控制装置包括设置在连接到轴的惰轮的一端的多个止动件,用于限制惰轮的运动,以及具有用于选择性地与止动件接合的平坦顶表面的盒锁释放件, 其中,所述空转齿轮在所述止动件之一或同时接触所述磁带盒锁定释放的平坦顶表面之前或同时与所述电动机的驱动力一起移动,并与所述供带盘齿轮或所述卷带盘齿轮接触。