FR517995A - Tréteau échelle, extensible et pliant - Google Patents

Tréteau échelle, extensible et pliant

Info

Publication number
FR517995A
FR517995A FR517995A FR517995DA FR517995A FR 517995 A FR517995 A FR 517995A FR 517995 A FR517995 A FR 517995A FR 517995D A FR517995D A FR 517995DA FR 517995 A FR517995 A FR 517995A
Authority
FR
France
Prior art keywords
trestle
extendable
ladder
folding
ladder trestle
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
FR517995A
Other languages
English (en)
Inventor
Ernest-Marcel Menager
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.)
ERNEST MARCEL MENAGER
Original Assignee
ERNEST MARCEL MENAGER
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 ERNEST MARCEL MENAGER filed Critical ERNEST MARCEL MENAGER
Application granted granted Critical
Publication of FR517995A publication Critical patent/FR517995A/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
    • E06C7/18—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR517995A 1920-06-29 1920-06-29 Tréteau échelle, extensible et pliant Expired FR517995A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR517995T 1920-06-29

Publications (1)

Publication Number Publication Date
FR517995A true FR517995A (fr) 1921-05-18

Family

ID=8916043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR517995A Expired FR517995A (fr) 1920-06-29 1920-06-29 Tréteau échelle, extensible et pliant

Country Status (1)

Country Link
FR (1) FR517995A (fr)

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