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    • 1. 发明授权
    • Pneumatic Christmas tree display
    • 气动圣诞树展示
    • US4330953A
    • 1982-05-25
    • US151205
    • 1980-05-19
    • Frank Damiano
    • Frank Damiano
    • A47G33/06A47G33/08F21S4/00G09F19/02A47G33/04G09F19/08
    • A47G33/06A47G33/0809F21S4/10G09F19/02A47G2033/0827
    • A Christmas tree display includes a hollow trunk as upright support structure on which in a direction from bottom to top there is mounted an upwardly and outwardly-flared air-diverter element positioned such that upwardly-directed air from a lower fan casing is directed outwardly against pneumatically actuatable motor-elements of ornamental designs, and a portion of air from the motor-driven fan of the fan casing is directed into and upwardly through the hollow trunk to another pneumatically actuatable motor-element of ornamental design, and helical limb-support elements extend laterally from the upright support structure and support leaf-bearing limbs inserted through and supported by the helical portions of the helical limb-support elements, one or more of the limb-support elements or limbs having the pneumatically actuatable motor-elements suspended therefrom and one or more of the motor-elements including an electric light bulb shaded to direct light downwardly and/or upwardly to prevent glare to the observing eye.
    • 圣诞树显示器包括作为直立支撑结构的空心躯干,在其上从底部到顶部的方向上安装有向上和向外扩张的空气分流器元件,所述空气 - 分流器元件定位成使得来自下部风扇壳体的向上指向的空气被向外指向 并且来自风扇壳体的电机驱动风扇的一部分空气被引导并通过中空主体向上通过另一个可气动致动的装饰设计的电动元件,以及螺旋支撑元件 从直立支撑结构横向延伸并且支撑通过螺旋状支撑元件的螺旋部分并由其支撑的叶片支承肢体,一个或多个肢体支撑元件或四肢具有悬挂在其上的气动致动马达元件, 电动元件中的一个或多个包括被遮蔽以将光向下和/或向上引导至p的电灯泡 对观察眼睛进行眩光。