FR3110181B1 - Dispositif de trappe à vantail et garde-corps déployables - Google Patents

Dispositif de trappe à vantail et garde-corps déployables Download PDF

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Publication number
FR3110181B1
FR3110181B1 FR2004963A FR2004963A FR3110181B1 FR 3110181 B1 FR3110181 B1 FR 3110181B1 FR 2004963 A FR2004963 A FR 2004963A FR 2004963 A FR2004963 A FR 2004963A FR 3110181 B1 FR3110181 B1 FR 3110181B1
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France
Prior art keywords
free end
leaf
guardrails
deployable
hatch device
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FR2004963A
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FR3110181A1 (fr
Inventor
Jean-Denis Gential
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SAFE
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SAFE
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Publication of FR3110181B1 publication Critical patent/FR3110181B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/127—Manhole shafts; Other inspection or access chambers; Accessories therefor with devices for impeding fall or injuries of persons

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

L’invention concerne un dispositif (1) de trappe, comportant un vantail (2), un garde-corps opposé (3), des garde-corps transversaux, une biellette (5) les reliant, un vérin (6) de levage apte à faire passer le vantail (2) et les garde-corps (3, 21, 31) d’une position inférieure escamotée sous le plan (70) d’une ouverture horizontale (7) à une position supérieure déployée au-dessus du plan (70). Suivant l’invention, dans la position déployée, des parties (27, 37) d’extrémité libres des garde-corps transversaux (21, 31) sont face à face, un patin (22) de calage est fixé à la première partie (27) d’extrémité libre et étant en saillie en direction de la deuxième partie (37) d’extrémité libre, de telle sorte que dans la position supérieure déployée le premier patin (22) de calage appuie sous la deuxième partie (37) d’extrémité libre. Figure pour l’abrégé : Figure 2
FR2004963A 2020-05-18 2020-05-18 Dispositif de trappe à vantail et garde-corps déployables Active FR3110181B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2004963A FR3110181B1 (fr) 2020-05-18 2020-05-18 Dispositif de trappe à vantail et garde-corps déployables

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2004963A FR3110181B1 (fr) 2020-05-18 2020-05-18 Dispositif de trappe à vantail et garde-corps déployables
FR2004963 2020-05-18

Publications (2)

Publication Number Publication Date
FR3110181A1 FR3110181A1 (fr) 2021-11-19
FR3110181B1 true FR3110181B1 (fr) 2022-05-06

Family

ID=71894997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2004963A Active FR3110181B1 (fr) 2020-05-18 2020-05-18 Dispositif de trappe à vantail et garde-corps déployables

Country Status (1)

Country Link
FR (1) FR3110181B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3132722B1 (fr) * 2022-02-17 2024-03-15 Fond De Brousseval & Montreuil Dispositif de voirie comprenant un garde-corps optimise

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9318077U1 (de) * 1993-11-26 1994-01-27 Brockmann GmbH Anlagenbau, 48249 Dülmen Schacht- und Bodenabdeckung
FR2897624B1 (fr) * 2006-02-23 2008-05-02 Five Services Sarl Systeme de trappe d'acces automatisee avec garde-corps escamotable
FR2970269B1 (fr) * 2011-01-11 2013-02-15 Five Services Installation de trappe au sol coupe feu

Also Published As

Publication number Publication date
FR3110181A1 (fr) 2021-11-19

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