FR933249A - Perfectionnements aux échelles - Google Patents

Perfectionnements aux échelles

Info

Publication number
FR933249A
FR933249A FR933249DA FR933249A FR 933249 A FR933249 A FR 933249A FR 933249D A FR933249D A FR 933249DA FR 933249 A FR933249 A FR 933249A
Authority
FR
France
Prior art keywords
upgrades
scales
scales upgrades
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
English (en)
Inventor
Frederick Duncan Lomas
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 FR933249A publication Critical patent/FR933249A/fr
Expired 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
    • 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
    • E06C1/39—Ladders having platforms; Ladders changeable into platforms
    • E06C1/393—Ladders having platforms foldable with the ladder
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/18—Devices for preventing persons from falling
    • E06C7/181—Additional gripping devices, e.g. handrails
    • E06C7/182—Additional gripping devices, e.g. handrails situated at the top of the ladder

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR933249D 1945-09-04 1946-09-04 Perfectionnements aux échelles Expired FR933249A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB933249X 1945-09-04

Publications (1)

Publication Number Publication Date
FR933249A true FR933249A (fr) 1948-04-14

Family

ID=10747564

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933249D Expired FR933249A (fr) 1945-09-04 1946-09-04 Perfectionnements aux échelles

Country Status (1)

Country Link
FR (1) FR933249A (fr)

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