BE674988A - - Google Patents

Info

Publication number
BE674988A
BE674988A BE674988DA BE674988A BE 674988 A BE674988 A BE 674988A BE 674988D A BE674988D A BE 674988DA BE 674988 A BE674988 A BE 674988A
Authority
BE
Belgium
Prior art keywords
emi
plane
bars
stirrups
obligation
Prior art date
Application number
Other languages
English (en)
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 filed Critical
Publication of BE674988A publication Critical patent/BE674988A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/04Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08Ladders for resting against objects, e.g. walls poles, trees multi-part
    • E06C1/12Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/32Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/52Ladders in general with non-rigid longitudinal members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pinball Game Machines (AREA)
  • Ladders (AREA)

Description


   <EMI ID=1.1> 

  
 <EMI ID=2.1> 

  
somme des longueurs des plans. 

  
 <EMI ID=3.1> 

A 

  
 <EMI ID=4.1>   <EMI ID=5.1> 

  
 <EMI ID=6.1>  

  
 <EMI ID=7.1>  

  
 <EMI ID=8.1>   <EMI ID=9.1> 

  
 <EMI ID=10.1> 

  
 <EMI ID=11.1> 

  
 <EMI ID=12.1> 

  
doit être au minimum supérieur à un entraxe de battu=

  
 <EMI ID=13.1>   <EMI ID=14.1> 

  
complément de oe dispositif sera décrit plus avant.

  
 <EMI ID=15.1> 

  
 <EMI ID=16.1>  

  
 <EMI ID=17.1> 

  
bille de type connu.

  
 <EMI ID=18.1> 

  
 <EMI ID=19.1> 

Claims (1)

  1. <EMI ID=20.1>
    <EMI ID=21.1>
    obligation de réaliser pour une telle échelle, dea éléments
    <EMI ID=22.1> <EMI ID=23.1>
    porter lee barreaux simplement sur l'épaisseur du métal. du montant, à 1* intérieur du découpage effectué poux l'introduction
    <EMI ID=24.1>
    l'étrier et les barreaux de l'autre plan, suivant le mode connu.
    Suivant l'invention, chaque plan comporte un couple d' étriers dont l'un cet placé à la partie inférieure du plan mon-
    <EMI ID=25.1>
    <EMI ID=26.1>
    <EMI ID=27.1>
    Une entre caractéristique de l'invention consiste dans <EMI ID=28.1>
    <EMI ID=29.1>
    <EMI ID=30.1>
    <EMI ID=31.1>
    <EMI ID=32.1>
    que Plan , correspond au passage libre avec le Jeu voulu, des
    <EMI ID=33.1>
    <EMI ID=34.1>
BE674988D 1965-01-14 1966-01-12 BE674988A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1855A FR1445477A (fr) 1965-01-14 1965-01-14 Echelle à coulisse à éléments repliables

Publications (1)

Publication Number Publication Date
BE674988A true BE674988A (fr) 1966-07-12

Family

ID=8568113

Family Applications (1)

Application Number Title Priority Date Filing Date
BE674988D BE674988A (fr) 1965-01-14 1966-01-12

Country Status (4)

Country Link
BE (1) BE674988A (fr)
DE (1) DE1554652A1 (fr)
FR (1) FR1445477A (fr)
LU (1) LU50250A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9325224D0 (en) * 1993-12-09 1994-02-09 Wong Raymond Convertible ladder assembly

Also Published As

Publication number Publication date
LU50250A1 (fr) 1966-03-14
DE1554652A1 (de) 1970-03-26
FR1445477A (fr) 1966-07-15

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