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    • 89. 发明授权
    • Sectional overhead door
    • 剖面顶门
    • US6073674A
    • 2000-06-13
    • US91681
    • 1998-07-17
    • Thomas J. Hormann
    • Thomas J. Hormann
    • E05D15/24E05F1/00E05F1/16E06B3/48E06B9/06E06B9/08E05D15/06
    • E05D13/1215E05D15/24E05D15/246E05D13/1238E05Y2201/488E05Y2201/67E05Y2800/21E05Y2900/106
    • A sectioial overhead door is disclosed with a door leaf comprising several consecutive hinging panels (10, 10', 10") which are guided in the known way by rollers (11) in horizontal tracks and in tracks (12, 12', 12") joined to them to form a bow and are provided with a balancing device (15) in the form of approximately horizontal helical tension springs. The latter are designed to be space-saving, in particular with low drop heights, underneath the horizontal track sections extending into the building, such that on each of the outer side regions (27) of the horizontal track sections (12, 14) facing away from one another one or more helical tension spring units (16) are arranged approximately parallel to one another and one below the other. At least some of the helical tension spring units (16) consist of at least two coaxial helical springs (17, 18), the turns of which are mutually opposing and intersecting.
    • PCT No.PCT / DE96 / 02509 Sec。 371日期:1998年7月17日 102(e)日期1998年7月17日PCT 1996年12月23日PCT公布。 公开号WO97 / 23700 PCT 日期1997年7月3日公开了一种具有门叶的门扇,门门包括几个连续的铰接面板(10,10',10“),它们以已知的方式由水平轨道中的辊子(11)和轨道(12) ,12',12“),以形成弓形并且设置有大致水平的螺旋拉伸弹簧形式的平衡装置(15)。 后者被设计为节省空间,特别是具有低落高度,在延伸进入建筑物的水平轨道部分下方,使得在水平轨道部分(12,14)的每个外侧区域(27)面向 彼此远离地设置有一个或多个螺旋拉伸弹簧单元(16)大致彼此平行并且彼此低于另一个。 至少一些螺旋拉伸弹簧单元(16)由至少两个同轴螺旋弹簧(17,18)组成,它们的匝相互相对并相交。