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Patent Searching and Data


Title:
PASSENGER CONVEYOR STEP LIFTING ASSIST DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/064393
Kind Code:
A1
Abstract:
A step lifting assist device (80) comprises: a working lever body (82) that has a jig mounting unit (92) and an operating unit (90) forming a prescribed obtuse angle at a fulcrum (94); a support base (84) that rotatably supports the fulcrum (94) of the working lever body (82); and a step lifting jig (86) that is held by the jig mounting unit (92). The step lifting jig (86) is a hook having: a hanging shaft that has one end held by the jig mounting unit (92) and that has a shaft diameter smaller than the inner diameter of a hook hanging hole (100); and a step plate hook that is at the other end of the hanging shaft and that bends at a right angle to the axial direction of the hanging shaft.

Inventors:
YAMAGUCHI Fumie (7-1, Yurakucho 1-chome, Chiyoda-k, Tokyo 06, 〒1000006, JP)
Application Number:
JP2017/035053
Publication Date:
April 04, 2019
Filing Date:
September 27, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC BUILDING TECHNO-SERVICE CO.,LTD. (7-1 Yurakucho 1-chome, Chiyoda-ku Tokyo, 06, 〒1000006, JP)
International Classes:
B66B23/12
Foreign References:
JP2015147666A2015-08-20
JP3195942U2015-02-12
JP2015168548A2015-09-28
JPH0859164A1996-03-05
Attorney, Agent or Firm:
YKI PATENT ATTORNEYS (1-34-12, Kichijoji-Honcho Musashino-sh, Tokyo 04, 〒1800004, JP)
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