Phonograph auto-changer center spindle
    3.
    发明授权
    Phonograph auto-changer center spindle 失效
    留声机自动切换中心主轴

    公开(公告)号:US3966215A

    公开(公告)日:1976-06-29

    申请号:US545164

    申请日:1975-01-29

    IPC分类号: G11B17/12 G11B17/04

    CPC分类号: G11B17/12

    摘要: A phonograph auto-changer center spindle has a sleeve of flexible material in which bulges can be produced to prevent a disc record from dropping on to a turntable, the bulges being reduced in size or moved in position along the sleeve to control the movement of a disc record on the spindle.

    摘要翻译: 留声机自动转换器中心心轴具有柔性材料的套筒,其中可以产生凸起以防止盘记录落到转台上,凸起的尺寸减小或沿着套筒移动到位置以控制一个 光盘记录在主轴上。