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    • 1. 发明授权
    • Escalator
    • 自动扶梯
    • US06390270B1
    • 2002-05-21
    • US09486330
    • 2000-02-25
    • Hirofumi UtsunomiyaChuichi SaitoKazuhira Ojima
    • Hirofumi UtsunomiyaChuichi SaitoKazuhira Ojima
    • B66B2100
    • B66B23/026B66B23/02B66B23/14B66B23/147
    • In an escalator having a plurality of steps connected to an endless chain and moved along an endless path, a rotation locus of step forward wheels at both end portions is shifted toward end portions of the escalator relative to a rotation locus of the chain. A forward wheel guide track for guiding forward wheels of the steps is arranged, at both end portions of the escalator, so that a straight distance between forward wheels of two adjacent steps, which distance tends to be shortened by the chain following an arc at both end portions, is extended. By such constructions, interference between adjacent steps hardly occurs even if the rotation diameter of the steps at each end portion of the escalator is made small. Therefore, the rotation diameter of the steps can be made smaller than a conventional one and the escalator thickness (depth) can be made small.
    • 在具有连接到环形链条并沿着环形路径移动的多个台阶的自动扶梯中,两个端部处的步进前轮的旋转轨迹相对于链条的旋转轨迹偏移到自动扶梯的端部。 用于引导台阶的前轮的前轮导轨布置在自动扶梯的两个端部处,使得两个相邻台阶的前轮之间的直线距离通过在两个电弧处的弧线之间的链条趋于缩短 端部延伸。 通过这样的构造,即使自动扶梯的各端部的台阶的旋转直径变小,也难以发生相邻台阶之间的干涉。 因此,台阶的旋转直径可以比常规的旋转直径小,并且可以使自动扶梯的厚度(深度)较小。