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Patent Searching and Data


Title:
ELEVATOR PIT LADDER DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/012531
Kind Code:
A1
Abstract:
Provided is an elevator pit ladder device capable of easily entering and exiting a pit. This elevator pit ladder device comprises: a cam that is provided in a car that moves up and down a hoistway, and moves up and down the hoistway together with a car; a pit ladder that is displaced between a use position and a storage position; and a displacement device that displaces the pit ladder, wherein the displacement device has a contact portion that is pushed down by the cam, and where the contact portion is pushed down, the pit ladder is displaced between the use position and the storage position.

Inventors:
WAKAMORI JUNKO (JP)
KAMADA HIRONOBU (JP)
MORINAGA SHOGO (JP)
AKAO YOSHIHITO (JP)
Application Number:
PCT/JP2018/025872
Publication Date:
January 16, 2020
Filing Date:
July 09, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B7/00; B66B5/00; E06C9/08
Foreign References:
JPS6418076U1989-01-30
JP6336224B12018-06-06
JPS53134365U1978-10-24
US20120222915A12012-09-06
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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