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    • 8. 发明授权
    • Collapsible cordless electric hair curling appliance
    • 可折叠无绳电动卷发器具
    • US4228343A
    • 1980-10-14
    • US865363
    • 1977-12-29
    • Gary L. KannerSamuel H. KohlerRobert E. Lewis
    • Gary L. KannerSamuel H. KohlerRobert E. Lewis
    • A45D1/00A45D1/04A45D2/36H01R11/02H05B3/06
    • A45D1/04
    • A collapsible cordless electric hair curling appliance includes a hollow handle adapted for grasping by a user. A heating wand is extensibly slidably retained in the hollow portion of the handle. An improved positive temperature coefficient heating element assembly is positioned inside the wand. An electric plug assembly is also slidably mounted in the hollow portion of the handle. The plug is mounted so as to extend from the handle for connection with a conventional electric socket only when the wand is substantially fully inserted into the hollow handle. The novel plug assembly eliminates the need for a conventional electric cord and is also rotatably mounted in the handle to provide added convenience for plugging the appliance into a conventional electric socket. For storage, both the wand and plug assembly may be enclosed within the handle. The electric circuit for heating the wand is closed only when both the wand is fully inserted in the handle and the plug assembly is fully extended therefrom to provide added safety features to the appliance.
    • 一种可折叠无绳电动卷发器具包括适于用户抓握的中空手柄。 加热棒可延伸地可滑动地保持在手柄的中空部分中。 改进的正温度系数加热元件组件位于棒内。 电插头组件也可滑动地安装在手柄的中空部分中。 插头被安装成仅当手柄基本上完全插入中空手柄时从手柄延伸以与常规电插座连接。 新颖的插头组件消除了对常规电线的需要,并且还可旋转地安装在手柄中,为将电器插入常规电插座提供了额外的便利。 为了存储,棒和插头组件都可以封闭在手柄内。 用于加热棒​​的电路仅当两根棒完全插入手柄中并且插头组件从其完全伸出时才关闭,以向器具提供附加的安全特征。