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    • 9. 发明授权
    • Insulating window covering
    • 隔热窗帘
    • US4418739A
    • 1983-12-06
    • US339334
    • 1982-01-15
    • James WoolnoughBruce GardnerDavid A. May
    • James WoolnoughBruce GardnerDavid A. May
    • E06B9/40E06B9/58E06B9/68E06B9/78A47H11/06E06B9/171
    • E06B9/78E06B9/40E06B9/582E06B9/68
    • An insulating shade including a channel-type frame which is designed to be permanently installed on the prime window frame. The shade assembly which is mounted in the frame includes a pair of rollers which are geared together so as to rotate simultaneously and simultaneously either take up or play out the shade material. The rollers with the shade are supported on bearing plates which in turn are hung on spring brackets that snap into the channels permanently secured to the window frame. A cord operated pulley carries a gear which in turn drives the two rollers so as to raise and lower the shade. Weather stripping is secured inside the channels of the frame, which cooperate both with the sides of the shade itself and the weighted roller at the bottom of the shade to prevent cold air from flowing about the shade.
    • 绝缘罩包括通道型框架,设计用于永久地安装在主窗框上。 安装在框架中的灯罩组件包括一对辊,它们一起被齿轮连接在一起以同时旋转,同时采取或播放遮光材料。 具有遮光罩的辊子支撑在轴承板上,轴承板又悬挂在弹簧支架上,弹簧支架卡入永久固定在窗框上的通道中。 绳索操作的皮带轮携带齿轮,该齿轮依次驱动两个辊,以便升高和降低遮光罩。 气囊剥离被固定在框架的通道内,其与遮光罩本身的侧面和在底部的加权辊配合,以防止冷空气在遮光板周围流动。