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    • 9. 发明授权
    • Cassette tape player
    • 盒式磁带机
    • US5654845A
    • 1997-08-05
    • US630911
    • 1996-04-04
    • Akira Ohtsuki
    • Akira Ohtsuki
    • G11B15/675
    • G11B15/6751
    • A cassette tape player includes a cassette carrying mechanism which conveys a cassette tape between the insertion position and the hold position of the player automatically, a mode selection lever which reciprocates depending on various operational modes, and a drive motor which drives the cassette carrying mechanism and the mode selection lever, a lock mechanism which selectively prevents the movement of the mode selection lever or the cassette carrying mechanism, and a planetary gear mechanism coupled between the drive motor and the mode selection lever and the cassette carrying mechanism. The planetary gear mechanism includes a sun gear rotated by the drive motor, a ring gear which steadily meshes with one of a first rack provided on the mode selection lever and a second rack provided on the cassette carrying mechanism, and a carrier which steadily meshes with another of the first rack and second rack. The lock mechanism selectively prevents the movement of the mode selection lever or the cassette carrying mechanism so that the driving force of the drive motor applied to the sun gear is released from only one of the ring gear and the carrier. The cassette tape player is capable of driving the cassette carrying mechanism and the mode selection lever reliably and enables the cassette tape player to be compact.
    • 盒式磁带播放器包括:盒式磁带携带机构,其自动地在插入位置和播放器的保持位置之间传送盒带;根据各种操作模式往复运动的模式选择杆;以及驱动电动机,其驱动盒式磁带机构;以及 模式选择杆,选择性地防止模式选择杆或盒运送机构的移动的锁定机构,以及联接在驱动马达和模式选择杆和盒运送机构之间的行星齿轮机构。 行星齿轮机构包括由驱动马达旋转的太阳齿轮,与设置在模式选择杆上的第一齿条和设置在卡带运送机构上的第二齿条中的一个稳定地啮合的齿圈,以及与卡盘运送机构稳定啮合的托架 另一个是第一个机架和第二个机架。 锁定机构选择性地防止模式选择杆或盒运送机构的移动,使得施加到太阳齿轮的驱动电动机的驱动力仅从环形齿轮和载体中的一个释放。 盒式磁带播放机能够可靠地驱动盒式磁带携带机构和模式选择杆,并且使得盒式磁带播放机能够紧凑。