发明名称 PIT LADDER DEVICE FOR ELEVATOR
摘要 PROBLEM TO BE SOLVED: To achieve both improving workability in the case of going down to a pit from a landing and eliminating necessity of arrangement between a pit wall surface and a car when unused, in a pit ladder device for an elevator.SOLUTION: A pit ladder device 10 for an elevator includes: a floor fixing member 20 fixed at a pit floor surface 16; a first rotary member 30 supported in a manner rotatable around a first axis L1 in a horizontal direction with respect to the floor fixing member 20; a second rotary member 40 supported in a manner rotatable with respect to the first rotary member 30 around a second axis L2; a ladder body 50 in which one end side is fixed to the second rotary member 40, and which can move between an unused time position tilted toward a pit depth side from a landing 15 side on the pit floor surface 16, and a using time position facing a predetermined direction with respect to the landing by rotating around the first axis L1, the second axis L2; and pull-up means 60 connected to the ladder body 50.
申请公布号 JP2016003104(A) 申请公布日期 2016.01.12
申请号 JP20140124212 申请日期 2014.06.17
申请人 MITSUBISHI ELECTRIC BUILDING TECHNO SERVICE CO LTD 发明人 KAI SHOJI
分类号 B66B7/00;B66B5/00 主分类号 B66B7/00
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