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    • 8. 发明授权
    • Side mount counterbalance system for upward acting door
    • 侧向安装平衡系统,用于向上作用的门
    • US07296607B2
    • 2007-11-20
    • US10974097
    • 2004-10-27
    • LeRoy G. KrupkeMarius C. Suchici
    • LeRoy G. KrupkeMarius C. Suchici
    • E05F15/00
    • E05D13/1261E05D13/1269E05Y2201/718E05Y2900/106
    • A counterbalance system for an upward acting door includes a cable drum support shaft and a torsion spring drive mechanism mounted adjacent one or both sides of the door and drivably connected to the drum support shaft. The spring drive mechanism includes a torsion coil spring mounted on a frame and connected to a vertically oriented shaft which, in turn, is connected to an output shaft by way of a bevel gear drive. A spring winder device is connected to one end of the spring and to the frame. Indicia on the spring is viewable through a window on the mechanism frame for indicating the number of revolutions imposed on the spring to set a predetermined counterbalance torque.
    • 用于向上作用的门的平衡系统包括电缆鼓支撑轴和安装在门的一侧或两侧并且可驱动地连接到鼓支撑轴的扭转弹簧驱动机构。 弹簧驱动机构包括安装在框架上并连接到垂直取向的轴的扭力螺旋弹簧,该垂直取向轴又通过锥齿轮传动装置连接到输出轴。 弹簧卷绕装置连接到弹簧的一端和框架。 通过机构框架上的窗口可以看到弹簧上的标记,用于指示施加在弹簧上的转数设定预定的平衡转矩。