EP3640183A4 - Elevator pit ladder device - Google Patents

Elevator pit ladder device Download PDF

Info

Publication number
EP3640183A4
EP3640183A4 EP17914088.4A EP17914088A EP3640183A4 EP 3640183 A4 EP3640183 A4 EP 3640183A4 EP 17914088 A EP17914088 A EP 17914088A EP 3640183 A4 EP3640183 A4 EP 3640183A4
Authority
EP
European Patent Office
Prior art keywords
ladder device
elevator pit
pit ladder
elevator
pit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17914088.4A
Other languages
German (de)
French (fr)
Other versions
EP3640183A1 (en
Inventor
Haruhiko Fukuda
Takahiro Nishino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP3640183A1 publication Critical patent/EP3640183A1/en
Publication of EP3640183A4 publication Critical patent/EP3640183A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
EP17914088.4A 2017-06-14 2017-06-14 Elevator pit ladder device Withdrawn EP3640183A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/021986 WO2018229905A1 (en) 2017-06-14 2017-06-14 Elevator pit ladder device

Publications (2)

Publication Number Publication Date
EP3640183A1 EP3640183A1 (en) 2020-04-22
EP3640183A4 true EP3640183A4 (en) 2021-03-03

Family

ID=64659177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17914088.4A Withdrawn EP3640183A4 (en) 2017-06-14 2017-06-14 Elevator pit ladder device

Country Status (4)

Country Link
EP (1) EP3640183A4 (en)
JP (1) JP6720411B2 (en)
CN (1) CN110719882B (en)
WO (1) WO2018229905A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110159181A (en) * 2019-06-28 2019-08-23 迅达（中国）电梯有限公司 Elevator pit ladder mounting device
WO2021192129A1 (en) * 2020-03-26 2021-09-30 三菱電機株式会社 Pit ladder device for elevator
JP7372947B2 (en) * 2021-01-18 2023-11-01 株式会社日立ビルシステム Elevator work safety device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005067883A (en) * 2003-08-27 2005-03-17 Toshiba Elevator Co Ltd Pit ladder
JP2007062862A (en) * 2005-08-29 2007-03-15 Toshiba Elevator Co Ltd Pit ladder device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0666236B1 (en) * 1994-02-07 1999-06-09 Daifuku Co., Ltd. Inward/outward delivery device of automated warehouse
NL1019069C2 (en) * 2001-10-01 2003-04-02 Philippus Johannes Kattouw Ladder.
JP2009249105A (en) * 2008-04-04 2009-10-29 Mitsubishi Electric Building Techno Service Co Ltd Ladder fixing device for elevator pit
CN102493760B (en) * 2011-11-21 2014-04-02 日立电梯（中国）有限公司 Pull-up ladder stand
JP6300656B2 (en) * 2014-06-17 2018-03-28 三菱電機ビルテクノサービス株式会社 Pit ladder equipment for elevators
JP5948400B2 (en) * 2014-12-08 2016-07-06 東芝エレベータ株式会社 Elevator pit ladder equipment
CN106829663B (en) * 2015-12-03 2019-01-01 株式会社日立大厦系统 Elevator
CN205675929U (en) * 2016-06-15 2016-11-09 杭州保利电梯导轨制造有限公司 A kind of protecting device of lift well
CN106193998B (en) * 2016-06-29 2018-12-28 日立电梯（中国）有限公司 Pull-type ladder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005067883A (en) * 2003-08-27 2005-03-17 Toshiba Elevator Co Ltd Pit ladder
JP2007062862A (en) * 2005-08-29 2007-03-15 Toshiba Elevator Co Ltd Pit ladder device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018229905A1 *

Also Published As

Publication number Publication date
JPWO2018229905A1 (en) 2020-03-19
CN110719882B (en) 2021-07-16
CN110719882A (en) 2020-01-21
JP6720411B2 (en) 2020-07-08
WO2018229905A1 (en) 2018-12-20
EP3640183A1 (en) 2020-04-22

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