发明名称 ELEVATOR LANDING DOOR UNLOCKING DEVICE
摘要 PROBLEM TO BE SOLVED: To safely open a landing door by using an exclusive key. SOLUTION: A hooking device 2 and a shielding device 11 are provided on a landing door 1 and an interlocking device 8 and a connecting device 9 are provided on an car 10. A first key hole 5A for disengaging an engagement portion 3 provided on the surface of the landing door 1 from a hook 2A and a second key hole 5B for operating the interlocking device 8 to associate the shielding device 11 for the first key hole 5A with the hooking device 2 by using the connecting device 9 depending on the position of the elevator box 10 are provided.
申请公布号 JP2000072360(A) 申请公布日期 2000.03.07
申请号 JP19980241903 申请日期 1998.08.27
申请人 HITACHI BUILDING SYSTEMS CO LTD 发明人 TAKAHASHI TOMOHITO
分类号 B66B13/18;(IPC1-7):B66B13/18 主分类号 B66B13/18
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