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1. 发明授权

US4177984A Captive flying toy airplane having simulated motor sounds 失效
标题翻译：具有模拟电机声音的捕捉飞行玩具飞机
公开(公告)号：US4177984A
公开(公告)日：1979-12-11
申请号：US878853
申请日：1978-02-17
申请人： Raymond J. Douglas , Ference Fekete , Derek J. Gay , Gary L. Hunter , Nicol S. Wilson
发明人： Raymond J. Douglas , Ference Fekete , Derek J. Gay , Gary L. Hunter , Nicol S. Wilson
IPC分类号： A63H27/04 , A63H17/34
CPC分类号： A63H27/04
摘要： A captive flying toy airplane is tethered to a boom pivotally mounted to a turntable for pivoting the boom for altitude adjustment of a toy airplane, the turntable being mounted to a pylon base housing containing drive gears therein. A control housing is provided to position first and second wire control members passing through a tube connected to the housing, one controller of the control housing varying the position of a slide wire rheostat to control the speed of the toy airplane, the second controller pivoting a bell crank through a vertical plane to control the position of an altitude control rod passing through the center of the turntable to effect pivoting of the boom. A sound cone mounted within the pylon has the apex portion engaging a circumferential ratchet surface on one of the drive gears for emitting a simulated motor sound proportional to the speed of rotation of the gear.
摘要翻译：捕获的飞行玩具飞机被连接到枢转地安装到转台上的悬臂上，用于枢转吊杆以用于玩具飞机的高度调节，转盘安装到其中包含驱动齿轮的托架底座外壳。设置控制壳体以定位通过连接到壳体的管的第一和第二线控制构件，控制壳体的一个控制器改变滑动线变阻器的位置以控制玩具飞机的速度，第二控制器枢转曲柄通过垂直平面控制高度控制杆通过转台中心的位置，以实现起重臂的枢转。安装在吊架内的声锥具有与驱动齿轮中的一个驱动齿轮上的圆周棘轮表面接合的顶点部分，用于发射与齿轮旋转速度成比例的模拟马达声音。

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