FR928088A - Locking device for extension ladder - Google Patents

Locking device for extension ladder

Info

Publication number
FR928088A
FR928088A FR928088DA FR928088A FR 928088 A FR928088 A FR 928088A FR 928088D A FR928088D A FR 928088DA FR 928088 A FR928088 A FR 928088A
Authority
FR
France
Prior art keywords
locking device
extension ladder
ladder
extension
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
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.)
MANUF D ECHELLES ET DE SIEGES
Original Assignee
MANUF D ECHELLES ET DE SIEGES
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 MANUF D ECHELLES ET DE SIEGES filed Critical MANUF D ECHELLES ET DE SIEGES
Application granted granted Critical
Publication of FR928088A publication Critical patent/FR928088A/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
    • E06C7/06—Securing devices or hooks for parts of extensible 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
    • E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
    • E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR928088D 1946-05-07 1946-05-07 Locking device for extension ladder Expired FR928088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR928088T 1946-05-07

Publications (1)

Publication Number Publication Date
FR928088A true FR928088A (en) 1947-11-18

Family

ID=9441487

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928088D Expired FR928088A (en) 1946-05-07 1946-05-07 Locking device for extension ladder

Country Status (1)

Country Link
FR (1) FR928088A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895660A (en) * 1956-05-09 1959-07-21 Thomas J O'keefe Stop hook for extension ladders

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895660A (en) * 1956-05-09 1959-07-21 Thomas J O'keefe Stop hook for extension ladders

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