发明名称 LADDER FIXING DEVICE FOR ELEVATOR PIT
摘要 <P>PROBLEM TO BE SOLVED: To obtain a ladder fixing device for an elevator pit capable of leaning various ladders, not a specific ladder, against a space between a pit bottom surface and the lowest floor landing, corresponding to various pit depth cases, and enabling a worker to release locking of a sill groove and a locking member and lock those again after the pit bottom surface is lowered, even if the worker is alone. Ž<P>SOLUTION: The ladder fixing device for the elevator pit attached to a ladder leaned between the lowest floor landing and a pit of the elevator to be used, comprises a fixing device body, a body fixing means fixing the fixing device body at any position of a vertical frame of the ladder by surrounding at least three sides of an outer periphery of the vertical frame, and a fixing shackle rotatably provided on the fixing device body and having a shackle locking portion locked to the sill groove of the lowest floor landing. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2009249105(A) 申请公布日期 2009.10.29
申请号 JP20080098318 申请日期 2008.04.04
申请人 MITSUBISHI ELECTRIC BUILDING TECHNO SERVICE CO LTD 发明人 HIRAYAMA SHUICHI
分类号 B66B5/00;E06C7/48 主分类号 B66B5/00
代理机构 代理人
主权项
地址