FR323411A - Improvements to articulated ladders - Google Patents

Improvements to articulated ladders

Info

Publication number
FR323411A
FR323411A FR323411DA FR323411A FR 323411 A FR323411 A FR 323411A FR 323411D A FR323411D A FR 323411DA FR 323411 A FR323411 A FR 323411A
Authority
FR
France
Prior art keywords
ladders
articulated
articulated ladders
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
Other languages
French (fr)
Inventor
Cointepoix De Blay Georges-Joseph-Alexandre
Savoie Frederic
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.)
COINTEPOIX DE BLAY GEORGES JOS
Original Assignee
COINTEPOIX DE BLAY GEORGES JOS
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 COINTEPOIX DE BLAY GEORGES JOS filed Critical COINTEPOIX DE BLAY GEORGES JOS
Application granted granted Critical
Publication of FR323411A publication Critical patent/FR323411A/en
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
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as 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
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/42—Ladder feet; Supports therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR323411D 1902-08-02 1902-08-02 Improvements to articulated ladders Expired FR323411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR323411T 1902-08-02

Publications (1)

Publication Number Publication Date
FR323411A true FR323411A (en) 1903-03-05

Family

ID=1373705

Family Applications (1)

Application Number Title Priority Date Filing Date
FR323411D Expired FR323411A (en) 1902-08-02 1902-08-02 Improvements to articulated ladders

Country Status (1)

Country Link
FR (1) FR323411A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2727671A (en) * 1953-03-25 1955-12-20 Modern Ladders Inc Ladder construction
US3084760A (en) * 1960-01-18 1963-04-09 Lamberti Battista Stepladder with folding elements
EP0188178A2 (en) * 1985-01-14 1986-07-23 CASTILIA S.p.A. Folding ladder with three stiles
US4998982A (en) * 1988-12-16 1991-03-12 Arnold William F Metal ladder construction with reinforced side rails
US20150060201A1 (en) * 2013-09-04 2015-03-05 David J. Hume Self Leveling Step Ladder with a Universal Hinge Joint
WO2016055779A1 (en) * 2014-10-08 2016-04-14 Richard Theaker Collapsible ladder

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2727671A (en) * 1953-03-25 1955-12-20 Modern Ladders Inc Ladder construction
US3084760A (en) * 1960-01-18 1963-04-09 Lamberti Battista Stepladder with folding elements
EP0188178A2 (en) * 1985-01-14 1986-07-23 CASTILIA S.p.A. Folding ladder with three stiles
EP0188178A3 (en) * 1985-01-14 1987-04-15 CASTILIA S.p.A. Folding ladder with three stiles
US4998982A (en) * 1988-12-16 1991-03-12 Arnold William F Metal ladder construction with reinforced side rails
US20150060201A1 (en) * 2013-09-04 2015-03-05 David J. Hume Self Leveling Step Ladder with a Universal Hinge Joint
US10689907B2 (en) 2013-09-04 2020-06-23 David J Hume Self leveling step ladder
WO2016055779A1 (en) * 2014-10-08 2016-04-14 Richard Theaker Collapsible ladder

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