CN109072668B - 用于可折叠梯子的改进的横档 - Google Patents

用于可折叠梯子的改进的横档 Download PDF

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Publication number
CN109072668B
CN109072668B CN201780021950.4A CN201780021950A CN109072668B CN 109072668 B CN109072668 B CN 109072668B CN 201780021950 A CN201780021950 A CN 201780021950A CN 109072668 B CN109072668 B CN 109072668B
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China
Prior art keywords
stepped
bracket
ladder
crosspiece
tubes
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
CN201780021950.4A
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English (en)
Chinese (zh)
Other versions
CN109072668A (zh
Inventor
J·布兰哈德森
S·卡尔森
H·埃德瓦德森
N·埃克斯川德
C-J·尼尔森
U·盖杰瓦尔
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.)
Hultafos Group
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Telesteps AB
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.)
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Publication date
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Publication of CN109072668A publication Critical patent/CN109072668A/zh
Application granted granted Critical
Publication of CN109072668B publication Critical patent/CN109072668B/zh
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E06C7/083—Bracket type connection
    • 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
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as 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
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
    • E06C1/22—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • 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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/081—Rungs or other treads comprising anti-slip features
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/14—Holders for pails or other equipment on or for 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
CN201780021950.4A 2016-04-04 2017-04-04 用于可折叠梯子的改进的横档 Active CN109072668B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1650454A SE541246C2 (en) 2016-04-04 2016-04-04 A rung for a collapsible ladder and ladders including such rungs
SE1650454-0 2016-04-04
PCT/EP2017/058027 WO2017174602A1 (en) 2016-04-04 2017-04-04 An improved rung for a collapsible ladder

Publications (2)

Publication Number Publication Date
CN109072668A CN109072668A (zh) 2018-12-21
CN109072668B true CN109072668B (zh) 2021-07-16

Family

ID=58503585

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780021950.4A Active CN109072668B (zh) 2016-04-04 2017-04-04 用于可折叠梯子的改进的横档

Country Status (7)

Country Link
US (1) US10718161B2 (enExample)
EP (1) EP3440302B1 (enExample)
JP (1) JP7023241B2 (enExample)
CN (1) CN109072668B (enExample)
ES (1) ES2801799T3 (enExample)
SE (1) SE541246C2 (enExample)
WO (1) WO2017174602A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3760827B1 (en) 2014-09-12 2022-07-06 Little Giant Ladder Systems, LLC Ladder
SE541247C2 (en) * 2016-04-04 2019-05-14 Telesteps Ab A ladder tube for a collapsible ladder and ladders including such tubes
EP3830376B1 (en) * 2018-07-27 2024-02-07 Little Giant Ladder Systems, LLC Last step indicator for ladders and ladders incorporating same
US11591855B2 (en) * 2019-05-28 2023-02-28 Frederick M. Pettit In pool ladder assembly
US20220275684A1 (en) * 2020-01-18 2022-09-01 Jhonatan Tarifa Ladder attached pulley hoist and tool retainer system
US20220290497A1 (en) * 2021-02-19 2022-09-15 Red Rock Sourcing LLC Packable ladder
CN115898249B (zh) * 2022-12-28 2025-10-17 浙江大地钢结构有限公司 一种桁架用可调节爬梯

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376470A (en) * 1980-11-06 1983-03-15 Little Giant Industries, Inc. Fiberglass ladder
GB2305956A (en) * 1995-10-02 1997-04-23 Gary Kuo An extension ladder with telescopic legs
CN2495795Y (zh) * 2001-07-16 2002-06-19 周涛 高低可调的梯子
EP2113631A1 (en) * 2008-04-29 2009-11-04 Metalast, S.A. (Sociedad Unipersonal) Ladder
DE102014107182A1 (de) * 2013-05-29 2014-12-04 Zuco-Zhuai Quan Da Industry & Commerce Co. Ltd. Teleskopleiter

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1576625A (en) * 1925-01-14 1926-03-16 Blodgett Arthur Waldron Stepladder
US2194856A (en) * 1938-04-22 1940-03-26 Kostuk Alexander Ladder
US3487889A (en) * 1967-12-22 1970-01-06 Gym Dandy Inc Fabricated plastic step
US4520896A (en) * 1981-05-18 1985-06-04 Disston Horace C Foldable ladder
BE1004040A6 (fr) * 1989-06-16 1992-09-15 Show Min Liaw Echelle extensible a usages multiples.
US20020189902A1 (en) * 2001-06-13 2002-12-19 Nelson John R. Protective carrying attachment for ladders
SE523253C2 (sv) * 2001-06-13 2004-04-06 Telesteps Ab Hopfällbar stege
DK1728966T3 (da) 2005-06-01 2008-04-28 Telesteps Ab Sammenklappelig stige med låsemekanisme
US20060283664A1 (en) * 2005-06-17 2006-12-21 Kuo-Ching Yao Extension ladder apparatus
US8387753B2 (en) 2006-06-30 2013-03-05 Core Distribution, Inc. Ergonomic extendable/retractable ladder
US20070256892A1 (en) * 2006-05-08 2007-11-08 Breedlove Michael G Sr Ladder stand with platform hoist and method of assembling same
US20080011547A1 (en) * 2006-07-17 2008-01-17 Bonitto Louis T Ladder carrying device
CN101294479B (zh) * 2007-04-23 2011-11-09 简世坤 一种伸缩梯
US8225906B2 (en) * 2008-08-22 2012-07-24 Core Distribution, Inc. Extendable/retractable ladder
JP5253342B2 (ja) 2009-09-28 2013-07-31 アルインコ株式会社 伸縮梯子
CN102465662A (zh) * 2010-10-29 2012-05-23 阿禄因康株式会社 伸缩梯子
US8851234B2 (en) * 2011-04-21 2014-10-07 Handsaver Handles, LLC Ladder carrying apparatus and method of modifying a ladder
US20140027203A1 (en) * 2012-07-30 2014-01-30 Myron Whitcomb Ladder Carry Grip
US10605002B2 (en) * 2016-12-15 2020-03-31 Richard Underwood Ladder carrying device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376470A (en) * 1980-11-06 1983-03-15 Little Giant Industries, Inc. Fiberglass ladder
GB2305956A (en) * 1995-10-02 1997-04-23 Gary Kuo An extension ladder with telescopic legs
CN2495795Y (zh) * 2001-07-16 2002-06-19 周涛 高低可调的梯子
EP2113631A1 (en) * 2008-04-29 2009-11-04 Metalast, S.A. (Sociedad Unipersonal) Ladder
DE102014107182A1 (de) * 2013-05-29 2014-12-04 Zuco-Zhuai Quan Da Industry & Commerce Co. Ltd. Teleskopleiter

Also Published As

Publication number Publication date
EP3440302A1 (en) 2019-02-13
CN109072668A (zh) 2018-12-21
SE541246C2 (en) 2019-05-14
EP3440302B1 (en) 2020-05-20
SE1650454A1 (en) 2017-10-05
JP7023241B2 (ja) 2022-02-21
JP2019513919A (ja) 2019-05-30
ES2801799T3 (es) 2021-01-13
SE1650454A3 (en) 2017-11-28
WO2017174602A1 (en) 2017-10-12
US20190128064A1 (en) 2019-05-02
US10718161B2 (en) 2020-07-21

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Effective date of registration: 20250324

Address after: Gothenburg

Patentee after: Hultafos Group

Country or region after: Sweden

Address before: Tranos, Sweden

Patentee before: TELESTEPS AB

Country or region before: Sweden

TR01 Transfer of patent right