WO2009020331A3 - Movable aerial ladder - Google Patents

Movable aerial ladder Download PDF

Info

Publication number
WO2009020331A3
WO2009020331A3 PCT/KR2008/004529 KR2008004529W WO2009020331A3 WO 2009020331 A3 WO2009020331 A3 WO 2009020331A3 KR 2008004529 W KR2008004529 W KR 2008004529W WO 2009020331 A3 WO2009020331 A3 WO 2009020331A3
Authority
WO
WIPO (PCT)
Prior art keywords
support
lower portion
boom members
aerial ladder
ladder
Prior art date
Application number
PCT/KR2008/004529
Other languages
French (fr)
Other versions
WO2009020331A2 (en
Inventor
Dae Woo Lim
Original Assignee
Dae Woo Lim
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 Dae Woo Lim filed Critical Dae Woo Lim
Publication of WO2009020331A2 publication Critical patent/WO2009020331A2/en
Publication of WO2009020331A3 publication Critical patent/WO2009020331A3/en

Links

Classifications

    • 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
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
    • 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
    • E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
    • E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
    • E06C5/04—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic

Abstract

Provided is a movable aerial ladder which can be adaptively used at a narrow space to which vehicle accessibility is restricted. The movable aerial ladder includes support boom members each having an extensible boom member, support scaffolds installed on both sidewalls of the support boom members so as to vary their angles, and ladder supporting means provided at lower portions of the support boom members connected by a hinge shaft and hinges, wherein the ladder supporting means includes front and rear support racks, which are integrally formed with the support boom members by front and rear cylinders, a switch caster is formed at the lower portion of the front support racks, and a non- rotary roll is formed at the lower portion and one end of the rear support rack, and a rotary outtrigger is formed at a lower portion of the support boom member through rotation shaft.
PCT/KR2008/004529 2007-08-03 2008-08-04 Movable aerial ladder WO2009020331A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2007-0078028 2007-08-03
KR1020070078028A KR100909871B1 (en) 2007-08-03 2007-08-03 Movable ladder

Publications (2)

Publication Number Publication Date
WO2009020331A2 WO2009020331A2 (en) 2009-02-12
WO2009020331A3 true WO2009020331A3 (en) 2009-04-02

Family

ID=40341896

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/004529 WO2009020331A2 (en) 2007-08-03 2008-08-04 Movable aerial ladder

Country Status (2)

Country Link
KR (1) KR100909871B1 (en)
WO (1) WO2009020331A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101244222B1 (en) 2011-06-23 2013-03-18 임대우 Movable ladder
KR101517212B1 (en) * 2014-02-13 2015-05-04 김상용 A ladder for getting on or off a farming machinery on cargo box
CN108868578B (en) * 2018-06-24 2020-04-14 周子行 Remote control advancing type herringbone ladder and automatic advancing method thereof
CN113697707B (en) * 2021-08-27 2022-12-02 宝武集团鄂城钢铁有限公司 Novel multipurpose overhaul trolley
KR102580641B1 (en) 2023-04-20 2023-09-21 박찬배 Safety ladder apparatus with automatic position control

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940000355Y1 (en) * 1992-03-03 1994-01-20 김우중 Ladder for working
KR200166629Y1 (en) * 1998-01-13 2000-01-15 박현무 Ladder for vehicles loading
JP2002089161A (en) * 2000-07-13 2002-03-27 Hiroyuki Matsui Foldable lifting instrument
KR100436247B1 (en) * 2003-10-21 2004-06-12 박동규 Lift apparatus combined movable high position work plate for indoor work capable of operating electric power

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200420842Y1 (en) 2006-04-21 2006-07-06 이상구 Ladder for prevent from fall sideward

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940000355Y1 (en) * 1992-03-03 1994-01-20 김우중 Ladder for working
KR200166629Y1 (en) * 1998-01-13 2000-01-15 박현무 Ladder for vehicles loading
JP2002089161A (en) * 2000-07-13 2002-03-27 Hiroyuki Matsui Foldable lifting instrument
KR100436247B1 (en) * 2003-10-21 2004-06-12 박동규 Lift apparatus combined movable high position work plate for indoor work capable of operating electric power

Also Published As

Publication number Publication date
WO2009020331A2 (en) 2009-02-12
KR100909871B1 (en) 2009-08-19
KR20090013899A (en) 2009-02-06

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