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    • 1. 发明授权
    • Self-propelled toy
    • 自行车玩具
    • US3696557A
    • 1972-10-10
    • US3696557D
    • 1969-11-17
    • REINHOLD RUPPEL
    • RUPPEL REINHOLD
    • A63H33/00A63H33/26
    • A63H33/005
    • A self-propelled toy includes a hollow shell and a motive means which includes a battery-operated motor, enclosed within the shell for causing the shell to roll along a supporting surface. A gravity-operated switch is mounted on the motive means for deenergizing the motor when the toy is not in use. In operation, the motive means is disposed at a lowermost portion of the shell, and the switch is disposed in a position to energize the motive means for causing the shell to revolve about the motive means. When the shell becomes restrained from movement, the motive means moves relative to the shell along the inner surface thereof until the switch reaches a position where it opens the circuit to the motor.
    • 自推进玩具包括中空壳体和动力装置,其包括封闭在壳体内的电池驱动马达,用于使壳体沿着支撑表面滚动。 当玩具不使用时,重力操作的开关安装在动力装置上以使电动机断电。 在操作中,动力装置设置在壳体的最下部,并且开关设置在使动力装置通电的位置,以使壳体围绕动力装置旋转。 当壳体被限制运动时,动力装置沿其内表面相对于壳体移动,直到开关到达其向电动机打开电路的位置。