DE822317T1 - High-strength folding ladder - Google Patents

High-strength folding ladder

Info

Publication number
DE822317T1
DE822317T1 DE0822317T DE96630055T DE822317T1 DE 822317 T1 DE822317 T1 DE 822317T1 DE 0822317 T DE0822317 T DE 0822317T DE 96630055 T DE96630055 T DE 96630055T DE 822317 T1 DE822317 T1 DE 822317T1
Authority
DE
Germany
Prior art keywords
folding ladder
strength folding
strength
ladder
folding
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.)
Pending
Application number
DE0822317T
Other languages
German (de)
Other versions
DE69630055D1 (en
DE69630055T2 (en
Inventor
Ik Woo Lee
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.)
IG CORP CO Ltd
Original Assignee
IG CORP 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 IG CORP CO Ltd filed Critical IG CORP CO Ltd
Publication of DE822317T1 publication Critical patent/DE822317T1/en
Pending legal-status Critical Current

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
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
    • 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
    • E06C7/085—Connections between rungs or treads and longitudinal members achieved by deforming the rung or the stile
    • 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
DE0822317T 1996-08-01 1996-09-13 High-strength folding ladder Pending DE822317T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960032179A KR100210012B1 (en) 1996-08-01 1996-08-01 Collapsible ladder

Publications (1)

Publication Number Publication Date
DE822317T1 true DE822317T1 (en) 1998-11-19

Family

ID=19468560

Family Applications (1)

Application Number Title Priority Date Filing Date
DE0822317T Pending DE822317T1 (en) 1996-08-01 1996-09-13 High-strength folding ladder

Country Status (4)

Country Link
EP (1) EP0822317A3 (en)
KR (1) KR100210012B1 (en)
AU (1) AU723701B2 (en)
DE (1) DE822317T1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29919004U1 (en) * 1999-10-29 2000-02-03 Krause Werk Gmbh & Co Kg Ladder joint
PT103307B (en) * 2005-07-12 2007-05-31 Salemo & Merca Lda ARTICULATION FOR STAIRS
KR200463313Y1 (en) * 2010-05-11 2012-10-30 한전케이피에스 주식회사 Ladder for cheking/repairing single conductor polymer insulator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE382061C (en) * 1923-09-28 Fritz Haecker Transformation leader
US3349870A (en) * 1966-08-25 1967-10-31 Lieblein George Flatstep ladder
AU2252767A (en) * 1968-05-29 1969-12-04 Trimview Metal Products Proprietary Limited Ladders
DE1938696A1 (en) * 1969-07-30 1971-02-04 Helmut Hoffmann Multipurpose foldable ladder
GB1323741A (en) * 1969-07-30 1973-07-18 Hoffmann H Hoffmann W Ladder
GB1599636A (en) * 1978-01-10 1981-10-07 Relton S N Ladders
US5279387A (en) * 1991-09-25 1994-01-18 Emerson Electric Co. Articulated ladder assembly
DE9320070U1 (en) * 1993-12-30 1994-03-24 Rauschenberger Metallwaren Gmb Connection of a ladder stile to a ladder joint

Also Published As

Publication number Publication date
AU723701B2 (en) 2000-09-07
KR19980013622A (en) 1998-05-15
EP0822317A3 (en) 1998-11-04
EP0822317A2 (en) 1998-02-04
KR100210012B1 (en) 1999-07-15
AU2867897A (en) 1998-02-05

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