FR1122019A - Perfectionnement à la construction des échelles - Google Patents

Perfectionnement à la construction des échelles

Info

Publication number
FR1122019A
FR1122019A FR1122019DA FR1122019A FR 1122019 A FR1122019 A FR 1122019A FR 1122019D A FR1122019D A FR 1122019DA FR 1122019 A FR1122019 A FR 1122019A
Authority
FR
France
Prior art keywords
improvement
ladder construction
ladder
construction
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)
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.)
Nusbaumer & Cie
Original Assignee
Nusbaumer & Cie
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 Nusbaumer & Cie filed Critical Nusbaumer & Cie
Application granted granted Critical
Publication of FR1122019A publication Critical patent/FR1122019A/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
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E06C7/085—Connections between rungs or treads and longitudinal members achieved by deforming the rung or the stile

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1122019D 1955-02-01 1955-02-01 Perfectionnement à la construction des échelles Expired FR1122019A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1122019T 1955-02-01

Publications (1)

Publication Number Publication Date
FR1122019A true FR1122019A (fr) 1956-08-30

Family

ID=9632391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1122019D Expired FR1122019A (fr) 1955-02-01 1955-02-01 Perfectionnement à la construction des échelles

Country Status (1)

Country Link
FR (1) FR1122019A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519292A (en) * 1969-03-03 1970-07-07 George Krikorian Disconnectable joint structure
EP0002994B1 (fr) * 1978-01-02 1983-01-19 F. M. C. FABRICATIONS METALLIQUES DES CIZELY S.A.R.L. dite: Echelle métallique
EP0931904A2 (fr) * 1998-01-14 1999-07-28 Ik Woo Lee Echelle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519292A (en) * 1969-03-03 1970-07-07 George Krikorian Disconnectable joint structure
EP0002994B1 (fr) * 1978-01-02 1983-01-19 F. M. C. FABRICATIONS METALLIQUES DES CIZELY S.A.R.L. dite: Echelle métallique
EP0931904A2 (fr) * 1998-01-14 1999-07-28 Ik Woo Lee Echelle
EP0931904A3 (fr) * 1998-01-14 2000-05-17 Ik Woo Lee Echelle

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