发明名称 DOOR SAFETY CONTROL DEVICE FOR ELEVATOR
摘要 PROBLEM TO BE SOLVED: To provide a door safety control device for an elevator capable of reducing non-required reversal action of an exit/entrance door and ensuring safety of a passenger. SOLUTION: The door safety control device for the elevator is provided with a drive force detection means (1) for detecting drive force required for opening/closing action of an exit/entrance door, and in the device, a control means (3) reverses the exit/entrance door when the drive force detection means detects excessive load. The drive force detection means (1) detects the drive force at at least two stages, and the control means (3) is constituted such that it operates warning means (6-9) according to the fact that the drive force detection means (1) detects the slight excessive load to promote a caution to a passenger and it reverses the exit/entrance door at a low speed according to the fact that the drive force detection means (1) detects the large excessive load. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2007254070(A) 申请公布日期 2007.10.04
申请号 JP20060078715 申请日期 2006.03.22
申请人 HITACHI LTD;HITACHI MITO ENGINEERING CO LTD 发明人 MINEO TOMOAKI;FUKADA HIRONORI;TAKAHASHI HIROTOMO;TOKUNAGA YOSHIHIRO;YABUUCHI TATSUSHI
分类号 B66B13/14;B66B13/26 主分类号 B66B13/14
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