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    • 6. 发明授权
    • Underground door operating apparatus and method
    • 地下门操作装置及方法
    • US06176044B1
    • 2001-01-23
    • US08932528
    • 1997-09-18
    • Angelo NixonEdward Preston Murphy
    • Angelo NixonEdward Preston Murphy
    • B06B300
    • E05F15/614E05F17/004E05Y2900/132
    • A door assembly includes a door automatically operable relative to a floor and further comprises an electromechanical power device disposed beneath the floor and providing a rotary output on a shaft. The support apparatus includes a spindle adapted to receive power from the rotary shaft beneath the floor and to extend above the floor into a coupled relationship with the door. A bearing included in the support apparatus supports the spindle and at least a portion of the weight of the door beneath the floor. The electromechanical device can be of the type commonly used in overhead systems, in which case the power device can be retrofitted with the support apparatus for disposition beneath the floor. A coupling mechanism in the support apparatus can include pulleys, sprockets and gears, and power transfer devices such as belts and chains.
    • 门组件包括可相对于地板自动操作的门,并且还包括设置在地板下方并在轴上提供旋转输出的机电动力装置。 支撑装置包括主轴,其适于从地板下面的旋转轴接收动力并且在地板上方延伸成与门的联接关系。 包括在支撑装置中的轴承支撑主轴和在地板下面的门的重量的至少一部分。 机电装置可以是架空系统中通常使用的类型,在这种情况下,可以利用支撑装置对功率装置进行改装以配置在地板下方。 支撑装置中的联接机构可以包括滑轮,链轮和齿轮,以及传动装置,例如皮带和链条。