CA2748480C - Systeme portatif d'entree/sortie securitaire pour trou d'homme, voute ou galerie de circulation - Google Patents

Systeme portatif d'entree/sortie securitaire pour trou d'homme, voute ou galerie de circulation Download PDF

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Publication number
CA2748480C
CA2748480C CA2748480A CA2748480A CA2748480C CA 2748480 C CA2748480 C CA 2748480C CA 2748480 A CA2748480 A CA 2748480A CA 2748480 A CA2748480 A CA 2748480A CA 2748480 C CA2748480 C CA 2748480C
Authority
CA
Canada
Prior art keywords
safe entry
exit system
portable safe
portable
exit
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.)
Active
Application number
CA2748480A
Other languages
English (en)
Other versions
CA2748480A1 (fr
Inventor
Terence M. Murray
Michael P. Murray
Kelly S. Murray
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA2748480A priority Critical patent/CA2748480C/fr
Priority to GB1119106.1A priority patent/GB2493402B/en
Publication of CA2748480A1 publication Critical patent/CA2748480A1/fr
Application granted granted Critical
Publication of CA2748480C publication Critical patent/CA2748480C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E02D29/122—Steps or handrails for shafts
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/18—Devices for preventing persons from falling
    • 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

Landscapes

  • 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)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

Système portatif dentrée et de sortie pour trou dhomme ou fosse souterraine permettant à lutilisateur de monter ou de démonter une échelle ou des marches sous la surface de manière sécuritaire. Ce système de sécurité comprend une gaine de réception creuse intégrée dans le cadre du couvercle daccès et/ou une gaine de réception creuse de mise à niveau installée sur la surface verticale du trou daccès juste en dessous du cadre du couvercle. Le système comprend également un appareil portatif constitué dun montant principal sur lequel sont fixés deux rails verticaux allongés ayant une multitude de barreaux horizontaux entre eux de sorte que lorsque le couvercle daccès est retiré, le montant principal puisse être inséré dans le manchon de réception creux pour que les barreaux horizontaux de la présente invention puissent être utilisés comme extension des barreaux de léchelle ou des marches.
CA2748480A 2011-07-25 2011-07-25 Systeme portatif d'entree/sortie securitaire pour trou d'homme, voute ou galerie de circulation Active CA2748480C (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2748480A CA2748480C (fr) 2011-07-25 2011-07-25 Systeme portatif d'entree/sortie securitaire pour trou d'homme, voute ou galerie de circulation
GB1119106.1A GB2493402B (en) 2011-07-25 2011-11-04 Portable manhole, vault, or man-way safe entry/exit system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2748480A CA2748480C (fr) 2011-07-25 2011-07-25 Systeme portatif d'entree/sortie securitaire pour trou d'homme, voute ou galerie de circulation

Publications (2)

Publication Number Publication Date
CA2748480A1 CA2748480A1 (fr) 2013-01-25
CA2748480C true CA2748480C (fr) 2013-06-04

Family

ID=45421309

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2748480A Active CA2748480C (fr) 2011-07-25 2011-07-25 Systeme portatif d'entree/sortie securitaire pour trou d'homme, voute ou galerie de circulation

Country Status (2)

Country Link
CA (1) CA2748480C (fr)
GB (1) GB2493402B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014078950A1 (fr) * 2012-11-20 2014-05-30 9105-0732 Quebec Inc. Dispositif d'extension de sécurité destiné à une échelle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7604599A (en) * 1976-04-29 1977-11-01 Falentijn Bv Mobile free standing ladder with platform - comprises stackable and nesting sections comprising three or more vertical columns
JPH0751794B2 (ja) * 1992-08-06 1995-06-05 長島鋳物株式会社 地下構造物用装備品、金具類の装着機構
JP3285286B2 (ja) * 1994-11-28 2002-05-27 日之出水道機器株式会社 地下構造物用蓋の補助梯子
JP2007002481A (ja) * 2005-06-22 2007-01-11 Tokyo Electric Power Co Inc:The マンホール用手摺
WO2008137723A2 (fr) * 2007-05-02 2008-11-13 T.A. Pelsue Company Système de récupération et d'arrêt de chute pour des applications de trou d'homme
JP2010275690A (ja) * 2009-05-26 2010-12-09 Hideaki Takahashi 昇降用ステップ兼梯子支持部材及びそれを用いたマンホール出入り用装置

Also Published As

Publication number Publication date
GB2493402A (en) 2013-02-06
CA2748480A1 (fr) 2013-01-25
GB2493402B (en) 2016-04-06
GB201119106D0 (en) 2011-12-21

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Legal Events

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H11 Ip right ceased following rejected request for revival

Free format text: ST27 STATUS EVENT CODE: T-6-6-H10-H11-H101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: TIME LIMIT FOR REVERSAL EXPIRED

Effective date: 20250127