FR426161A - Device allowing the use of an extension ladder as a double ladder - Google Patents

Device allowing the use of an extension ladder as a double ladder

Info

Publication number
FR426161A
FR426161A FR426161DA FR426161A FR 426161 A FR426161 A FR 426161A FR 426161D A FR426161D A FR 426161DA FR 426161 A FR426161 A FR 426161A
Authority
FR
France
Prior art keywords
ladder
device allowing
double
extension
extension ladder
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)
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.)
J AUMAITRE ET MATHE SOC
Original Assignee
J AUMAITRE ET MATHE SOC
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 J AUMAITRE ET MATHE SOC filed Critical J AUMAITRE ET MATHE SOC
Application granted granted Critical
Publication of FR426161A publication Critical patent/FR426161A/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
    • E06C1/32—Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
FR426161D 1911-02-17 1911-02-17 Device allowing the use of an extension ladder as a double ladder Expired FR426161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR426161T 1911-02-17

Publications (1)

Publication Number Publication Date
FR426161A true FR426161A (en) 1911-06-29

Family

ID=1468763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR426161D Expired FR426161A (en) 1911-02-17 1911-02-17 Device allowing the use of an extension ladder as a double ladder

Country Status (1)

Country Link
FR (1) FR426161A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3006362A1 (en) * 2013-06-04 2014-12-05 Tubesca Comabi TRANSFORMABLE SCALE SYSTEM

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3006362A1 (en) * 2013-06-04 2014-12-05 Tubesca Comabi TRANSFORMABLE SCALE SYSTEM
EP2811104A1 (en) 2013-06-04 2014-12-10 Tubesca-Comabi Transformable ladder system with adjustable level

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