EP2634360A4 - Locking structure for extensionableladder - Google Patents

Locking structure for extensionableladder

Info

Publication number
EP2634360A4
EP2634360A4 EP11835433.1A EP11835433A EP2634360A4 EP 2634360 A4 EP2634360 A4 EP 2634360A4 EP 11835433 A EP11835433 A EP 11835433A EP 2634360 A4 EP2634360 A4 EP 2634360A4
Authority
EP
European Patent Office
Prior art keywords
extensionableladder
locking structure
locking
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Withdrawn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
EP11835433.1A
Other languages
German (de)
French (fr)
Other versions
EP2634360A1 (en
Inventor
Wanxing Wang
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.)
NINGBO XINGFU TOOLS CO Ltd
Original Assignee
NINGBO XINGFU TOOLS CO 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 NINGBO XINGFU TOOLS CO Ltd filed Critical NINGBO XINGFU TOOLS CO Ltd
Publication of EP2634360A1 publication Critical patent/EP2634360A1/en
Publication of EP2634360A4 publication Critical patent/EP2634360A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/06—Securing devices or hooks for parts of extensible ladders
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
    • E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
    • E06C1/125—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic with tubular longitudinal members nested within each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
EP11835433.1A 2010-10-28 2011-10-11 Locking structure for extensionableladder Withdrawn EP2634360A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201010524708 CN102003136B (en) 2010-10-28 2010-10-28 Locking structure for telescopic ladder
PCT/CN2011/001700 WO2012055159A1 (en) 2010-10-28 2011-10-11 Locking structure for extensionableladder

Publications (2)

Publication Number Publication Date
EP2634360A1 EP2634360A1 (en) 2013-09-04
EP2634360A4 true EP2634360A4 (en) 2014-11-19

Family

ID=43810807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11835433.1A Withdrawn EP2634360A4 (en) 2010-10-28 2011-10-11 Locking structure for extensionableladder

Country Status (3)

Country Link
EP (1) EP2634360A4 (en)
CN (1) CN102003136B (en)
WO (1) WO2012055159A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102003136B (en) * 2010-10-28 2012-09-12 王万兴 Locking structure for telescopic ladder
CN102278059B (en) * 2011-07-08 2013-06-05 王万兴 Extension ladder with finger-protected device
DE202011052241U1 (en) 2011-12-08 2012-01-16 Xiaoling Chen A retractable or retractable ladder
DE202012100555U1 (en) 2012-02-20 2012-03-28 Xiaoping Ying Locking device for a retractable or extendable ladder
CN110344747B (en) 2014-08-18 2020-11-24 兰普控股私人有限公司 Telescopic ladder assembly
WO2017151558A1 (en) * 2016-02-29 2017-09-08 Core Distribution, Inc. Telescoping ladder with a cascading collapse mechanism
DE202018102581U1 (en) 2018-05-08 2018-05-29 Zhejiang Kollmax Industry & Trade Co.,Ltd Locking structure for telescopic ladders and telescopic ladder with self
CN108394651A (en) * 2018-05-29 2018-08-14 上海乐臣自动化设备有限公司 A kind of attaching/detaching apparatus of container medium lock
CN108811734B (en) * 2018-07-10 2020-06-02 长江师范学院 Ladder stand structure
CN108811735B (en) * 2018-07-10 2020-06-02 长江师范学院 Ladder is picked to fruit
CN109197137B (en) * 2018-10-31 2020-10-30 长江师范学院 Fruit tree fruit picking device
CN110054047A (en) * 2019-04-16 2019-07-26 快意电梯股份有限公司 Elevator only stop device
CN113047766B (en) * 2021-04-02 2024-07-02 苏州莱恩精工合金股份有限公司 Inner and outer ladder locking device and multifunctional ladder comprising same
CN114991718B (en) * 2022-06-17 2023-02-07 中海石油(中国)有限公司 Routing module operating system for seabed oil and gas operation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060283664A1 (en) * 2005-06-17 2006-12-21 Kuo-Ching Yao Extension ladder apparatus
GB2436584A (en) * 2006-03-30 2007-10-03 Norman William Liefke Telescopic extension ladder
WO2008064532A1 (en) * 2006-11-29 2008-06-05 Wanxing Wang An extensible ladder with anti-pinch device
CN201212352Y (en) * 2008-05-14 2009-03-25 郭晶耀 Telescopic ladder
WO2010034135A1 (en) * 2008-09-25 2010-04-01 Kuo Chingyao An extension ladder

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3172713B2 (en) * 1998-08-10 2001-06-04 勝 森野 Telescopic body
US6708800B2 (en) * 2002-08-02 2004-03-23 Core Distribution, Inc. Extending ladder and associated manufacturing methods
CN2571986Y (en) * 2002-09-25 2003-09-10 王国华 Telescopic ladder
CN2881052Y (en) * 2006-02-08 2007-03-21 何海涛 Telescopic ladder
CN200971751Y (en) * 2006-10-30 2007-11-07 范刚 Locking device for telescopic lalder
CN200985737Y (en) * 2006-11-27 2007-12-05 苏正平 Automatically contracting telescopic ladder
CN201246097Y (en) * 2008-08-19 2009-05-27 王万兴 Locking mechanism for telescopic ladder
US8225906B2 (en) * 2008-08-22 2012-07-24 Core Distribution, Inc. Extendable/retractable ladder
CN201507233U (en) * 2009-08-28 2010-06-16 梁尧广 Telescopic ladder
CN201883928U (en) * 2010-10-28 2011-06-29 王万兴 Locking structure for extension ladder
CN102003136B (en) * 2010-10-28 2012-09-12 王万兴 Locking structure for telescopic ladder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060283664A1 (en) * 2005-06-17 2006-12-21 Kuo-Ching Yao Extension ladder apparatus
GB2436584A (en) * 2006-03-30 2007-10-03 Norman William Liefke Telescopic extension ladder
WO2008064532A1 (en) * 2006-11-29 2008-06-05 Wanxing Wang An extensible ladder with anti-pinch device
CN201212352Y (en) * 2008-05-14 2009-03-25 郭晶耀 Telescopic ladder
WO2010034135A1 (en) * 2008-09-25 2010-04-01 Kuo Chingyao An extension ladder
EP2343433A1 (en) * 2008-09-25 2011-07-13 Kuo, Chingyao An extension ladder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012055159A1 *

Also Published As

Publication number Publication date
WO2012055159A1 (en) 2012-05-03
CN102003136B (en) 2012-09-12
EP2634360A1 (en) 2013-09-04
CN102003136A (en) 2011-04-06

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20130521

AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20141021

RIC1 Information provided on ipc code assigned before grant

Ipc: E06C 7/06 20060101AFI20141015BHEP

Ipc: E06C 1/12 20060101ALI20141015BHEP

STAA Information on the status of an ep patent application or granted ep patent

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18W Application withdrawn

Effective date: 20150204