CN112459698B - 可折叠梯子 - Google Patents

可折叠梯子 Download PDF

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Publication number
CN112459698B
CN112459698B CN202011109286.9A CN202011109286A CN112459698B CN 112459698 B CN112459698 B CN 112459698B CN 202011109286 A CN202011109286 A CN 202011109286A CN 112459698 B CN112459698 B CN 112459698B
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CN
China
Prior art keywords
ladder
locking pin
hinge
angle
pin
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
CN202011109286.9A
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English (en)
Chinese (zh)
Other versions
CN112459698A (zh
Inventor
M·I·基弗
A·A·考德威尔
N·L·施吕特
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.)
Core Distribution Inc
Original Assignee
Core Distribution Inc
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
Priority claimed from US14/557,944 external-priority patent/US9580959B2/en
Priority claimed from US14/558,042 external-priority patent/US9416591B2/en
Application filed by Core Distribution Inc filed Critical Core Distribution Inc
Publication of CN112459698A publication Critical patent/CN112459698A/zh
Application granted granted Critical
Publication of CN112459698B publication Critical patent/CN112459698B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • E06C1/32—Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
    • 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
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/42—Ladder feet; Supports therefor
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/42—Ladder feet; Supports therefor
    • E06C7/423—Ladder stabilising struts
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/42—Ladder feet; Supports therefor
    • E06C7/46—Non-skid equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
CN202011109286.9A 2014-12-02 2015-12-02 可折叠梯子 Active CN112459698B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14/558,042 2014-12-02
US14/557,944 US9580959B2 (en) 2014-12-02 2014-12-02 Foldable ladder
US14/557,944 2014-12-02
US14/558,042 US9416591B2 (en) 2014-12-02 2014-12-02 Telescoping ladder with stabilizers
CN201580065774.5A CN107250479B (zh) 2014-12-02 2015-12-02 可折叠梯子

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201580065774.5A Division CN107250479B (zh) 2014-12-02 2015-12-02 可折叠梯子

Publications (2)

Publication Number Publication Date
CN112459698A CN112459698A (zh) 2021-03-09
CN112459698B true CN112459698B (zh) 2022-01-11

Family

ID=54849735

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201580065774.5A Active CN107250479B (zh) 2014-12-02 2015-12-02 可折叠梯子
CN202011109286.9A Active CN112459698B (zh) 2014-12-02 2015-12-02 可折叠梯子

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201580065774.5A Active CN107250479B (zh) 2014-12-02 2015-12-02 可折叠梯子

Country Status (6)

Country Link
EP (2) EP4273362A3 (es)
CN (2) CN107250479B (es)
CA (2) CA3130716C (es)
ES (1) ES2963810T3 (es)
MX (3) MX2017007137A (es)
WO (1) WO2016090041A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD855833S1 (en) 2017-01-04 2019-08-06 Tricam Industries, Inc. Ladder rail
USD860476S1 (en) 2017-01-04 2019-09-17 Tricam Industries, Inc. Hinge for a multi-position ladder
CN108508804B (zh) * 2018-04-18 2019-11-26 陈禄壮 基于步频触发的梯子管理系统
CN114466965A (zh) * 2019-09-18 2022-05-10 稳耐公司 人形梯枢轴和锁定机构
US12529263B2 (en) * 2020-01-20 2026-01-20 Little Giant Ladder Systems, Llc Ladders and ladder rungs
AU2021205029B2 (en) 2020-07-22 2023-04-13 Werner Co. Multi-Position Ladder, Method of Using and Method of Making a Multi-Position Ladder

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2122928U (zh) * 1992-06-04 1992-11-25 士元工业股份有限公司 折叠式铝梯定位关节
KR100199416B1 (en) * 1995-08-21 1999-06-15 Song In Kweon Hinge for collapsible ladder
US5954157A (en) * 1994-10-18 1999-09-21 Fiberlite Technologies, Inc. Fiber/resin composite ladder and accompanying accessories
DE20207715U1 (de) * 2002-05-16 2003-09-25 Portuleiter - Produtos Metalicos, Limitada, Foros de Salvaterra Teleskopleiter
CN2660084Y (zh) * 2003-11-11 2004-12-01 冷鹭浩 一种折叠梯定位铰链结构
CN101096903A (zh) * 2006-06-30 2008-01-02 科尔分配股份有限公司 人体工学的可伸展/可收缩梯子
CN201100093Y (zh) * 2007-10-11 2008-08-13 王万兴 一种两用伸缩梯

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827216A (en) * 1955-05-25 1958-03-18 Leonard B Napolitano Telescopic step or rung ladders
US4182431A (en) * 1978-03-13 1980-01-08 Little Giant Industries Inc. Combination extension and step ladder rungs therefor
BE1004040A6 (fr) * 1989-06-16 1992-09-15 Show Min Liaw Echelle extensible a usages multiples.
US5775460A (en) * 1995-02-02 1998-07-07 Stone; Mark James Hinge and ladder
US6857503B2 (en) * 2002-02-07 2005-02-22 Tricam Industries, Inc. Convertible ladder
US7424933B2 (en) * 2002-05-28 2008-09-16 Norman Miller Ladder assemblies
US6708800B2 (en) 2002-08-02 2004-03-23 Core Distribution, Inc. Extending ladder and associated manufacturing methods
WO2004044365A2 (en) * 2002-11-11 2004-05-27 Wing Enterprises Combination ladders, ladder components and methods of manufacturing same
WO2005045172A1 (fr) * 2003-11-11 2005-05-19 Luhao Leng Charniere de localisation pour echelle pliante
US7140072B2 (en) * 2003-11-11 2006-11-28 Cosco Management, Inc. Lockable ladder hinge
US7316293B2 (en) * 2006-05-17 2008-01-08 Norman William Liefke Extension ladder with improved mechanism
CN102168521B (zh) * 2007-11-02 2013-07-31 兰普控股私人有限公司 伸缩梯子组件
JP2010024799A (ja) * 2008-07-24 2010-02-04 Bunka Shutter Co Ltd 折り畳み梯子の展開防止構造
US8225906B2 (en) * 2008-08-22 2012-07-24 Core Distribution, Inc. Extendable/retractable ladder
US20100071996A1 (en) * 2008-09-24 2010-03-25 Wen-Hung Huang Collapsible platform ladder
GB2503742B (en) * 2012-07-06 2014-09-03 Teletower Com Ltd Collapsible ladder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2122928U (zh) * 1992-06-04 1992-11-25 士元工业股份有限公司 折叠式铝梯定位关节
US5954157A (en) * 1994-10-18 1999-09-21 Fiberlite Technologies, Inc. Fiber/resin composite ladder and accompanying accessories
KR100199416B1 (en) * 1995-08-21 1999-06-15 Song In Kweon Hinge for collapsible ladder
DE20207715U1 (de) * 2002-05-16 2003-09-25 Portuleiter - Produtos Metalicos, Limitada, Foros de Salvaterra Teleskopleiter
CN2660084Y (zh) * 2003-11-11 2004-12-01 冷鹭浩 一种折叠梯定位铰链结构
CN101096903A (zh) * 2006-06-30 2008-01-02 科尔分配股份有限公司 人体工学的可伸展/可收缩梯子
CN201100093Y (zh) * 2007-10-11 2008-08-13 王万兴 一种两用伸缩梯

Also Published As

Publication number Publication date
CN107250479A (zh) 2017-10-13
EP4273362A2 (en) 2023-11-08
CA3130716C (en) 2023-09-26
EP3227517C0 (en) 2023-09-27
WO2016090041A1 (en) 2016-06-09
MX2026001902A (es) 2026-04-01
EP3227517A1 (en) 2017-10-11
MX2022009716A (es) 2022-09-09
CA2968554A1 (en) 2016-06-09
CN107250479B (zh) 2020-11-13
EP3227517B1 (en) 2023-09-27
ES2963810T3 (es) 2024-04-02
EP4273362A3 (en) 2024-01-10
CA3130716A1 (en) 2016-06-09
MX2017007137A (es) 2017-08-18
CA2968554C (en) 2022-05-24
CN112459698A (zh) 2021-03-09

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