发明名称 ELEVATOR DOOR DEVICE
摘要 PROBLEM TO BE SOLVED: To provide an elevator device, capable of detecting a string-like foreign matter without lowering operation efficiency of an elevator. SOLUTION: This elevator door device is provided with car doors 1a and 1b provided on a car doorway, a door closure detecting switch 12 to detect closure of the car doors 1a and 1b, and a door safety shoe 5 provided on the car doors 1a and 1b. On the car doors 1a and 1b, a first foreign matter detecting switch 10 to be actuated by retraction move of the door safety shoe 5, which is effective after the car doors 1a and 1b start closing and until the car starts, and ineffective after the car starts, and a second foreign matter detecting switch 11 that is ineffective before the car starts, and becomes effective after the car starts, and till it stops are provided. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2006321608(A) 申请公布日期 2006.11.30
申请号 JP20050145662 申请日期 2005.05.18
申请人 HITACHI LTD;HITACHI BUILDING SYSTEMS CO LTD;HHITACHI MITO ENGINEERING CO LTD 发明人 FUKUYA TAKESHI;KUNITO KAZUO;SAKAI MITSURU;ISHIZUKA SHINSUKE;ONOSE SHIGEO
分类号 B66B13/26 主分类号 B66B13/26
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