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1. 发明授权

US06439948B1 Two-wheeled amphibious toy vehicle 失效
标题翻译：两轮两栖玩具车
公开(公告)号：US06439948B1
公开(公告)日：2002-08-27
申请号：US08914477
申请日：1997-08-19
申请人： Eric Ostendorff , Helena Bartor , Nathan C. Proch
发明人： Eric Ostendorff , Helena Bartor , Nathan C. Proch
IPC分类号： A63H2304
CPC分类号： A63H17/004
摘要： An elongated substantially hollow body supports a pair of motor drive units, a battery power supply, and a radio frequency receiver and controller module. A pair of axles are rotatably supported near the frontal end of the elongated body and in turn support a pair of large diameter wheels. The motor drive units within the body are operatively coupled to the axles and are able to differentially drive the wheels. The position of the axles and wheels near the frontal portion of the vehicle results in the extension of a substantially greater portion of the body away from and beyond the wheels. Thus the extending portion of the body defines a trailing end. A control transmitter provides independent operational signals to each of the motor drive units to differentially drive the wheels. Each time the direction of travel of the toy vehicle is reversed, the reaction torque applied by the motors to the body causes the body to flip about the axles and invert bringing the trailing end to the opposite side of the wheels. By skillful manipulation of the controls, various tricks and stunts may be performed by the toy vehicle. The toy vehicle is also operable in an aquatic environment utilizing the wheels as paddle wheels for propulsion.
摘要翻译：细长的基本中空的主体支撑一对电机驱动单元，电池电源，以及射频接收器和控制器模块。一对轴可旋转地支撑在细长主体的前端附近，并且又支撑一对大直径的轮。主体内的电机驱动单元可操作地联接到轴上，并且能够差别地驱动车轮。在车辆前部附近的车轴和车轮的位置导致远离车轮的身体的大部分延伸远离车轮。因此，主体的延伸部分限定了尾端。控制发射器为每个电机驱动单元提供独立的操作信号以差分地驱动车轮。每当玩具车的行进方向相反时，由电动机向身体施加的反作用扭矩使得车身绕车轴翻转并将后端转向车轮的相对侧。通过巧妙地操纵控制，玩具车可以执行各种技巧和特技。玩具车辆还可在水上环境中操作，利用车轮作为用于推进的桨轮。

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