ES2032918T3 - Escalera plegable. - Google Patents

Escalera plegable.

Info

Publication number
ES2032918T3
ES2032918T3 ES198888115651T ES88115651T ES2032918T3 ES 2032918 T3 ES2032918 T3 ES 2032918T3 ES 198888115651 T ES198888115651 T ES 198888115651T ES 88115651 T ES88115651 T ES 88115651T ES 2032918 T3 ES2032918 T3 ES 2032918T3
Authority
ES
Spain
Prior art keywords
crosspieces
folding staircase
ladder
degree
rails
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.)
Expired - Lifetime
Application number
ES198888115651T
Other languages
English (en)
Inventor
Dieter Collet
Emil Freiwald
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of ES2032918T3 publication Critical patent/ES2032918T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • E06C1/3835—Foldable ladders in which the longitudinal members are brought together on folding having collapsible steps comprising a hinge in their central part
    • 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

Landscapes

  • Ladders (AREA)
  • Steps, Ramps, And Handrails (AREA)

Abstract

EL INVENTO SE REFIERE A UNA ESCALERA PLEGABLE (1) CON PELDAÑOS ABATIBLES (3) Y QUE PRESENTAN EN SU ZONA MEDIA UN PUNTO DE GIRO DE 90 . LOS PELDAÑOS (3) PUEDEN A LA VEZ GIRAR 90 , CON UN CARRIL (2) DENTRO DE LOS LARGUEROS, A LA DERECHA Y A LA IZQUIERDA DE LAS ALMAS DE LOS PELDAÑOS
ES198888115651T 1987-10-06 1988-09-23 Escalera plegable. Expired - Lifetime ES2032918T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873733702 DE3733702A1 (de) 1987-10-06 1987-10-06 Zusammenfaltbare steigleiter

Publications (1)

Publication Number Publication Date
ES2032918T3 true ES2032918T3 (es) 1993-03-01

Family

ID=6337688

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198888115651T Expired - Lifetime ES2032918T3 (es) 1987-10-06 1988-09-23 Escalera plegable.

Country Status (9)

Country Link
US (1) US4842099A (es)
EP (1) EP0310884B1 (es)
JP (1) JPH01239287A (es)
KR (1) KR890006949A (es)
AT (1) ATE75293T1 (es)
AU (1) AU615480B2 (es)
CA (1) CA1296688C (es)
DE (2) DE3733702A1 (es)
ES (1) ES2032918T3 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5158151A (en) * 1992-01-21 1992-10-27 Chang Wan Li Bidirectionally foldable step ladder
US5195610A (en) * 1992-05-04 1993-03-23 Wan Li Chang Bidirectionally foldable step ladder
CH686317A5 (de) * 1992-05-08 1996-02-29 Wan Li Chang Verriegelungsvorrichtung fuer bidirektional zusammenlegbare Trittleitern.
AU667980B2 (en) * 1992-11-26 1996-04-18 Michael Mulawa Toy surfing device
DE9406506U1 (de) * 1994-04-19 1995-08-17 Kunz Markus Treppe, insbesondere Dachboden-Treppe
US6536558B2 (en) 2001-02-16 2003-03-25 Harold E. Price Folding ladder
FR2928393B1 (fr) * 2008-03-07 2015-07-24 Larbaletier Plate-forme d'observation pliable et procede de montage
CN112572562B (zh) * 2020-12-05 2021-11-23 乐山职业技术学院 一种书籍转运器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US610284A (en) * 1898-09-06 schubert
US958732A (en) * 1908-03-06 1910-05-24 Dennis Novelty Ladder Company Ladder.
GB191010778A (en) * 1910-05-02 1910-09-15 Flora Williams Smith Improvements in Foldable Ladders.
US1371125A (en) * 1918-01-05 1921-03-08 Jr Herman Frank Speckman Folding ladder
US2670120A (en) * 1949-05-16 1954-02-23 Sanguineti Emanuele Collapsible ladder, double ladder, and stepladder
FR1139461A (fr) * 1955-12-02 1957-07-01 échelle articulée
US2981364A (en) * 1959-07-13 1961-04-25 Webber Jack Folding ladder
FR1247207A (fr) * 1959-10-21 1960-11-25 échelle à éléments repliables les uns sur les autres
US3084760A (en) * 1960-01-18 1963-04-09 Lamberti Battista Stepladder with folding elements
AT239066B (de) * 1963-05-16 1965-03-10 Johann Tretina Als Anlege- oder Stehleiter verwendbare Leiter
FR1403008A (fr) * 1964-04-27 1965-06-18 Perfectionnements aux échelles et escaliers portatifs analogues
FR2428138A1 (fr) * 1978-06-09 1980-01-04 Stoltz Gerard Echelle pliante
DE3320519A1 (de) * 1983-06-07 1984-12-13 Karl 4400 Münster Kemper Faltleiter
US4560030A (en) * 1984-05-04 1985-12-24 Metarplastic S.P.A. Folding ladder
IT8552842V0 (it) * 1985-01-14 1985-01-14 Pro Cord Srl Scala a pioli pieghevole a tre montanti

Also Published As

Publication number Publication date
DE3733702A1 (de) 1989-05-03
AU615480B2 (en) 1991-10-03
JPH01239287A (ja) 1989-09-25
DE3870386D1 (de) 1992-05-27
EP0310884B1 (de) 1992-04-22
EP0310884A1 (de) 1989-04-12
KR890006949A (ko) 1989-06-17
AU2340688A (en) 1989-04-06
ATE75293T1 (de) 1992-05-15
CA1296688C (en) 1992-03-03
DE3733702C2 (es) 1990-10-31
US4842099A (en) 1989-06-27

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