FR2309703A1 - Dispositif de crochet de retenue pour echelles doubles - Google Patents

Dispositif de crochet de retenue pour echelles doubles

Info

Publication number
FR2309703A1
FR2309703A1 FR7514023A FR7514023A FR2309703A1 FR 2309703 A1 FR2309703 A1 FR 2309703A1 FR 7514023 A FR7514023 A FR 7514023A FR 7514023 A FR7514023 A FR 7514023A FR 2309703 A1 FR2309703 A1 FR 2309703A1
Authority
FR
France
Prior art keywords
lever
arm
fixing hook
armed lever
displacement control
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.)
Granted
Application number
FR7514023A
Other languages
English (en)
French (fr)
Other versions
FR2309703B1 (cs
Inventor
Erwin Hymer
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.)
Hymer Leichtmetallbau GmbH and Co KG
Original Assignee
Hymer Leichtmetallbau GmbH and Co KG
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 Hymer Leichtmetallbau GmbH and Co KG filed Critical Hymer Leichtmetallbau GmbH and Co KG
Priority to FR7514023A priority Critical patent/FR2309703A1/fr
Publication of FR2309703A1 publication Critical patent/FR2309703A1/fr
Application granted granted Critical
Publication of FR2309703B1 publication Critical patent/FR2309703B1/fr
Granted 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)
  • Ladders (AREA)
FR7514023A 1975-04-28 1975-04-28 Dispositif de crochet de retenue pour echelles doubles Granted FR2309703A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7514023A FR2309703A1 (fr) 1975-04-28 1975-04-28 Dispositif de crochet de retenue pour echelles doubles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7514023A FR2309703A1 (fr) 1975-04-28 1975-04-28 Dispositif de crochet de retenue pour echelles doubles

Publications (2)

Publication Number Publication Date
FR2309703A1 true FR2309703A1 (fr) 1976-11-26
FR2309703B1 FR2309703B1 (cs) 1977-12-09

Family

ID=9154863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7514023A Granted FR2309703A1 (fr) 1975-04-28 1975-04-28 Dispositif de crochet de retenue pour echelles doubles

Country Status (1)

Country Link
FR (1) FR2309703A1 (cs)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2309703B1 (cs) 1977-12-09

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Legal Events

Date Code Title Description
ST Notification of lapse