DE233861C - - Google Patents

Info

Publication number
DE233861C
DE233861C DE1910233861D DE233861DD DE233861C DE 233861 C DE233861 C DE 233861C DE 1910233861 D DE1910233861 D DE 1910233861D DE 233861D D DE233861D D DE 233861DD DE 233861 C DE233861 C DE 233861C
Authority
DE
Germany
Prior art keywords
ladder
cheeks
arms
steps
flanges
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
Application number
DE1910233861D
Other languages
German (de)
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
Application granted granted Critical
Publication of DE233861C publication Critical patent/DE233861C/de
Expired 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
    • 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
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
DE1910233861D 1921-11-14 1910-05-02 Expired DE233861C (forum.php)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3036121A GB194749A (en) 1921-11-14 1921-11-14 Improvements in ladders

Publications (1)

Publication Number Publication Date
DE233861C true DE233861C (forum.php) 1911-04-28

Family

ID=10306436

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1910233861D Expired DE233861C (forum.php) 1921-11-14 1910-05-02

Country Status (3)

Country Link
DE (1) DE233861C (forum.php)
FR (1) FR416779A (forum.php)
GB (1) GB194749A (forum.php)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670120A (en) * 1949-05-16 1954-02-23 Sanguineti Emanuele Collapsible ladder, double ladder, and stepladder
US3446311A (en) * 1967-07-26 1969-05-27 Conrad L Alfie Scaffoladder,industrial model

Also Published As

Publication number Publication date
GB194749A (en) 1923-03-14
FR416779A (fr) 1910-10-28

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