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FR1257170A - Locking device for ladders - Google Patents

Locking device for ladders

Info

Publication number
FR1257170A
FR1257170A FR818843A FR818843A FR1257170A FR 1257170 A FR1257170 A FR 1257170A FR 818843 A FR818843 A FR 818843A FR 818843 A FR818843 A FR 818843A FR 1257170 A FR1257170 A FR 1257170A
Authority
FR
France
Prior art keywords
ladders
locking device
locking
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
FR818843A
Other languages
French (fr)
Inventor
Rene Mignon
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.)
SNCF Mobilites
Original Assignee
SNCF Mobilites
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 SNCF Mobilites filed Critical SNCF Mobilites
Priority to FR818843A priority Critical patent/FR1257170A/en
Application granted granted Critical
Publication of FR1257170A publication Critical patent/FR1257170A/en
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
    • E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
    • 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
    • E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
FR818843A 1960-02-18 1960-02-18 Locking device for ladders Expired FR1257170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR818843A FR1257170A (en) 1960-02-18 1960-02-18 Locking device for ladders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR818843A FR1257170A (en) 1960-02-18 1960-02-18 Locking device for ladders

Publications (1)

Publication Number Publication Date
FR1257170A true FR1257170A (en) 1961-03-31

Family

ID=8725396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818843A Expired FR1257170A (en) 1960-02-18 1960-02-18 Locking device for ladders

Country Status (1)

Country Link
FR (1) FR1257170A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593852A1 (en) * 1986-02-05 1987-08-07 Anaplastiki Ltd SAFETY DEVICE FOR THE SUPPORT OF SCALES AND SCAFFOLDS ON POSTS TREES, COLUMNS OR FACADES OF BUILDINGS
FR2791731A1 (en) * 1999-03-30 2000-10-06 Bernard Jean Michel Duthu Safety device for fitting to back of high ladder comprises two arms which can be moved towards or away from each other across width of ladder on rod with thread which reverses half way along and which cooperates with bearing on each arm

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593852A1 (en) * 1986-02-05 1987-08-07 Anaplastiki Ltd SAFETY DEVICE FOR THE SUPPORT OF SCALES AND SCAFFOLDS ON POSTS TREES, COLUMNS OR FACADES OF BUILDINGS
EP0232206A3 (en) * 1986-02-05 1987-11-04 Anaplastiki Ltd. Security device for supporting ladders and scaffoldings against poles, trees, columns, or building façades
FR2791731A1 (en) * 1999-03-30 2000-10-06 Bernard Jean Michel Duthu Safety device for fitting to back of high ladder comprises two arms which can be moved towards or away from each other across width of ladder on rod with thread which reverses half way along and which cooperates with bearing on each arm

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