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    • 5. 发明授权
    • Elevator car door movement restrictor
    • 电梯车门运动限流器
    • US07097001B2
    • 2006-08-29
    • US10706783
    • 2003-11-12
    • Matthew Martin
    • Matthew Martin
    • B66B13/14
    • B66B13/24
    • An elevator door restrictor system for preventing an elevator door from being opened unless the elevator car is near a floor landing, utilizing battery backed electronics for sensing the presence of a building landing such that the system will continue to maintain the mechanism in the correct state, either locked or unlocked, even if the elevator car continues to move. Wherein even if the battery backup were to become completely discharged, the mechanism will remain in the last state, either locked or unlocked and prevent the elevator car door from being opened until an authorized person takes the appropriate step to move the car or open the car door.
    • 一种电梯门限制器系统,用于防止电梯门被打开,除非电梯轿厢靠近地板着陆,利用电池支撑的电子元件来感测建筑物着陆的存在,使得系统将继续将机构维持在正确的状态, 锁定或解锁,即使电梯轿厢继续移动。 即使电池备用完全放电,该机构将保持在最后状态,锁定或解锁,并且防止电梯轿厢门打开,直到授权人采取适当步骤移动汽车或打开汽车 门。