GB2576279B - Extension ladder - Google Patents

Extension ladder Download PDF

Info

Publication number
GB2576279B
GB2576279B GB1916437.5A GB201916437A GB2576279B GB 2576279 B GB2576279 B GB 2576279B GB 201916437 A GB201916437 A GB 201916437A GB 2576279 B GB2576279 B GB 2576279B
Authority
GB
United Kingdom
Prior art keywords
extension ladder
ladder
extension
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.)
Active
Application number
GB1916437.5A
Other versions
GB201916437D0 (en
GB2576279A (en
Inventor
Zhang Zhao
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.)
Dongguan Prestige Sporting Products Co Ltd
Original Assignee
Dongguan Prestige Sporting Products 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 Dongguan Prestige Sporting Products Co Ltd filed Critical Dongguan Prestige Sporting Products Co Ltd
Publication of GB201916437D0 publication Critical patent/GB201916437D0/en
Publication of GB2576279A publication Critical patent/GB2576279A/en
Application granted granted Critical
Publication of GB2576279B publication Critical patent/GB2576279B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/003—Indicating devices, e.g. user warnings or inclinators
GB1916437.5A 2017-04-20 2017-08-01 Extension ladder Active GB2576279B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720422027.9U CN206769793U (en) 2017-04-20 2017-04-20 The cleat stanchion locking device of extension ladder
PCT/CN2017/095417 WO2018192139A1 (en) 2017-04-20 2017-08-01 Ladder post locking device for extension ladder

Publications (3)

Publication Number Publication Date
GB201916437D0 GB201916437D0 (en) 2019-12-25
GB2576279A GB2576279A (en) 2020-02-12
GB2576279B true GB2576279B (en) 2022-03-09

Family

ID=60634525

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1916437.5A Active GB2576279B (en) 2017-04-20 2017-08-01 Extension ladder

Country Status (5)

Country Link
EP (1) EP3613936B1 (en)
CN (1) CN206769793U (en)
DK (1) DK3613936T3 (en)
GB (1) GB2576279B (en)
WO (1) WO2018192139A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US473061A (en) * 1892-04-19 Setts
JP2000027426A (en) * 1998-07-14 2000-01-25 Nippon Light Metal Co Ltd Expansion leg with lock visual confirming mechanism
JP2000054616A (en) * 1998-08-10 2000-02-22 Masaru Morino Telescopic body
JP2003081178A (en) * 2001-09-12 2003-03-19 Masaru Morino Extensive ladder for ship
CN1516775A (en) * 2001-06-13 2004-07-28 ̩��̩�˹�˾ Callapsible ladder
CN202125240U (en) * 2011-04-15 2012-01-25 应筱萍 Locking structure of extension ladder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673061A (en) * 1986-08-13 1987-06-16 Zeiset A Leon Automatic ladder leveling apparatus
CN102465662A (en) * 2010-10-29 2012-05-23 阿禄因康株式会社 Telescoping ladder
DE202012104992U1 (en) * 2012-12-20 2013-01-15 Xiaoling Chen telescopic ladder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US473061A (en) * 1892-04-19 Setts
JP2000027426A (en) * 1998-07-14 2000-01-25 Nippon Light Metal Co Ltd Expansion leg with lock visual confirming mechanism
JP2000054616A (en) * 1998-08-10 2000-02-22 Masaru Morino Telescopic body
CN1516775A (en) * 2001-06-13 2004-07-28 ̩��̩�˹�˾ Callapsible ladder
JP2003081178A (en) * 2001-09-12 2003-03-19 Masaru Morino Extensive ladder for ship
CN202125240U (en) * 2011-04-15 2012-01-25 应筱萍 Locking structure of extension ladder

Also Published As

Publication number Publication date
DK3613936T3 (en) 2022-04-25
GB201916437D0 (en) 2019-12-25
CN206769793U (en) 2017-12-19
GB2576279A (en) 2020-02-12
WO2018192139A1 (en) 2018-10-25
EP3613936B1 (en) 2022-03-30
EP3613936A4 (en) 2021-01-20
EP3613936A1 (en) 2020-02-26

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