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    • 3. 发明申请
    • FALL ARRESTOR AND LOCKDOWN DEVICE FOR VERTICAL LIFT DOORS
    • 用于垂直提升门的秋季避难所和闭锁装置
    • WO9931342B1
    • 1999-07-22
    • PCT/US9825975
    • 1998-12-08
    • ALBANY INT CORP
    • SAUVE RAYMOND
    • E05D13/00E06B9/84E05C1/12
    • E06B9/84E05D13/003E05F15/665E05Y2201/654E05Y2900/00E05Y2900/106Y10S292/36Y10T292/0992
    • The apparatus (10) is a fall arrestor and lockdown device for vertical lift doors (100), particularly single membrane fabric vertical lift doors. A pulley (80) on a sensing arm (70) engages the cable (112) which raises and lowers the door. Alternatively, the sensing arm is directly attached to a belt. The sensing arm is mechanically linked to a spring loaded pin (54) reciprocating within a tubular housing (52). When the cable or belt is tensioned, the sensing arm rotates upwardly to a position where the pin is retracted and the spring compressed thereby allowing the door to move vertically. However, when the cable or belt is not tensioned, the spring urges the pin to an extended position to engage regularly spaced apertures within the guide channel. When the cable or belt is not tensioned due to a cable or belt failure, the device operates as a fall arrestor. When the cable or belt is not tensioned because the door is fully lowered to the ground, the device acts as a lockdown device.
    • 该设备(10)是用于垂直升降门(100),尤其是单膜织物垂直升降门的防坠器和锁定装置。 感应臂(70)上的滑轮(80)与升起和降下门的电缆(112)接合。 或者,传感臂直接连接到皮带上。 感测臂机械连接到在管状外壳(52)内往复运动的弹簧加载销(54)。 当电缆或皮带张紧时,检测臂向上旋转到销缩回的位置并且弹簧被压缩,从而允许门垂直移动。 但是,当电缆或皮带没有张紧时,弹簧将销推动到延伸位置以接合引导通道内的规则间隔开的孔。 当电缆或皮带由于电缆或皮带故障而没有张紧时,该设备可作为防坠器使用。 当电缆或皮带由于门完全降至地面而未张紧时,该设备将作为锁定设备。