EP0822317A3 - Echelle pliante à haute résistance - Google Patents

Echelle pliante à haute résistance Download PDF

Info

Publication number
EP0822317A3
EP0822317A3 EP96630055A EP96630055A EP0822317A3 EP 0822317 A3 EP0822317 A3 EP 0822317A3 EP 96630055 A EP96630055 A EP 96630055A EP 96630055 A EP96630055 A EP 96630055A EP 0822317 A3 EP0822317 A3 EP 0822317A3
Authority
EP
European Patent Office
Prior art keywords
ladder
rung
upright
reinforcing parts
high strength
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.)
Withdrawn
Application number
EP96630055A
Other languages
German (de)
English (en)
Other versions
EP0822317A2 (fr
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 EP0822317A2 publication Critical patent/EP0822317A2/fr
Publication of EP0822317A3 publication Critical patent/EP0822317A3/fr
Withdrawn legal-status Critical Current

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
    • E06C7/08—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
    • E06C1/38—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
EP96630055A 1996-08-01 1996-09-13 Echelle pliante à haute résistance Withdrawn EP0822317A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR9632179 1996-08-01
KR1019960032179A KR100210012B1 (ko) 1996-08-01 1996-08-01 고강도 철첩식 사다리

Publications (2)

Publication Number Publication Date
EP0822317A2 EP0822317A2 (fr) 1998-02-04
EP0822317A3 true EP0822317A3 (fr) 1998-11-04

Family

ID=19468560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96630055A Withdrawn EP0822317A3 (fr) 1996-08-01 1996-09-13 Echelle pliante à haute résistance

Country Status (4)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29919004U1 (de) * 1999-10-29 2000-02-03 Krause-Werk GmbH & Co KG, 36304 Alsfeld Leitergelenk
PT103307B (pt) * 2005-07-12 2007-05-31 Salemo & Merca Lda Articulação para escadas
KR200463313Y1 (ko) * 2010-05-11 2012-10-30 한전케이피에스 주식회사 단도체 폴리머 애자 정비ㆍ점검용 사다리

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE382061C (de) * 1923-09-28 Fritz Haecker Verwandlungsleiter
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 (de) * 1969-07-30 1971-02-04 Helmut Hoffmann Zusammenklappbare Mehrzweckleiter
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 (de) * 1993-12-30 1994-03-24 Rauschenberger Metallwaren GmbH, 71679 Asperg Verbindung eines Leiterholmes mit einem Leitergelenk

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE390323B (sv) * 1969-07-30 1976-12-13 H Hoffmann Hopfellbar universalstege

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE382061C (de) * 1923-09-28 Fritz Haecker Verwandlungsleiter
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 (de) * 1969-07-30 1971-02-04 Helmut Hoffmann Zusammenklappbare Mehrzweckleiter
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 (de) * 1993-12-30 1994-03-24 Rauschenberger Metallwaren GmbH, 71679 Asperg Verbindung eines Leiterholmes mit einem Leitergelenk

Also Published As

Publication number Publication date
KR100210012B1 (ko) 1999-07-15
EP0822317A2 (fr) 1998-02-04
DE822317T1 (de) 1998-11-19
KR19980013622A (ko) 1998-05-15
AU2867897A (en) 1998-02-05
AU723701B2 (en) 2000-09-07

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