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    • 87. 发明专利
    • Disk reproducing apparatus
    • 磁盘重现装置
    • JP2003308666A
    • 2003-10-31
    • JP2002109335
    • 2002-04-11
    • Kenwood Corp株式会社ケンウッド
    • ONO ATSUOMIASANO TAKAHIRO
    • F16H57/12B29C45/76G11B7/085G11B21/02
    • B29C45/76B29C2945/76167B29C2945/76394B29C2945/76418B29C2945/76461
    • PROBLEM TO BE SOLVED: To provide a disk reproducing apparatus with a simple structure at a low cost capable of excellently sliding a pickup in response to a spring weight of a pickup spring.
      SOLUTION: The disk reproducing apparatus wherein a drive source 17 delivers a driving force to the pickup 14 for scanning a disk 1 for one or both of recording and reproduction information processes of the disk 1 via a gear train 18, is provided with: a rack gear 16 for delivering the driving force from the drive source 17 by fixedly engaging the gear train 18 to the pickup 14; the pickup spring 15 for energizing the rack gear 16 to prevent a gear backlash caused between the rack gear 16 and the gear train 18; and a pick gear 18a provided to the gear train 18 and for uniformizing the spring weight exerted to the drive source 17 by gradually tapering a pitch circle diameter toward a smaller diameter in spiral so as to change a gear ratio delivered to the rack gear 16 in response to the energizing force of the pickup spring 15.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种以低成本的简单结构的盘再现装置,其能够响应于拾取弹簧的弹簧重量而优良地滑动拾取器。 解决方案:其中驱动源17通过齿轮系18将驱动力传递到拾取器14用于扫描盘1用于盘1的记录和再现信息处理中的一个或两个的盘重放装置被设置有 :用于通过将齿轮系18固定地接合到拾取器14而从驱动源17传递驱动力的齿条16; 拾取弹簧15,用于对齿条16进行通电,以防止在齿条16和齿轮系18之间产生的齿轮间隙; 以及设置在齿轮系18上的拾取齿轮18a,并通过使螺距逐渐变细的直径向节圆直径逐渐变细而使施加在驱动源17上的弹簧重量均匀化,从而改变输送到齿条16的齿轮比 响应于拾取弹簧15的激励力。版权所有(C)2004,JPO