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WO2018104069A1 - Agencement de contournement de supports de rail de sécurité sans déconnexion de câble de sécurité - Google Patents

Agencement de contournement de supports de rail de sécurité sans déconnexion de câble de sécurité Download PDF

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Publication number
WO2018104069A1
WO2018104069A1 PCT/EP2017/080291 EP2017080291W WO2018104069A1 WO 2018104069 A1 WO2018104069 A1 WO 2018104069A1 EP 2017080291 W EP2017080291 W EP 2017080291W WO 2018104069 A1 WO2018104069 A1 WO 2018104069A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
support device
metal sheet
cable
end section
Prior art date
Application number
PCT/EP2017/080291
Other languages
English (en)
Inventor
Rolf Hedlund
Original Assignee
Atl Limited
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 Atl Limited filed Critical Atl Limited
Priority to PL17809243T priority Critical patent/PL3548146T3/pl
Priority to EP17809243.3A priority patent/EP3548146B1/fr
Publication of WO2018104069A1 publication Critical patent/WO2018104069A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0081—Equipment which can travel along the length of a lifeline, e.g. travelers
    • A62B35/0087—Arrangements for bypassing lifeline supports without lanyard disconnection
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0043—Lifelines, lanyards, and anchors therefore
    • A62B35/0056—Horizontal lifelines

Definitions

  • the invention relates to a support device for supporting a safety cable, typically a wired steel cable.
  • a cable support that is adapted to allow a person that is connected to the cable to move at will along a roof, without jeopardising the safety of the person connected to the safety cable.
  • Roof equipment in the form of cable arrangements which are arranged to function as safety cables for person operating on a roof are typically mounted as close to the base of the roof as possible.
  • a known bracket for such a roof equipment consists of a metal plate bent in L- shape, which is fastened to the roof in a way that depends on the type of roofing and which may be adapted in shape to either hold snow rails, a safety cable or the like.
  • the invention relates to brackets arranged to carry a safety cable.
  • the safety cable is securely fastened at its ends.
  • the fastening device involves arrangements for lifting the cable to a certain distance above the roof, such that a snap hook arranged around said cable may be slid along it without getting stuck on details of the roof.
  • brackets For a safety cable that extends over a longer distance, cable supports need to be arranged at even distances to keep the cable above the roof. Specifically, such brackets should be arranged to hold the position of the cable, while at the same time allowing a person that is connected to the cable to move at will along the roof. Hence, the bracket should not unduly restrict the passage of a snap hook arranged around said cable.
  • Each intermediate support device includes a wheel with interspaced spokes that allow the passage of a snap hook or the like connected to a person moving on the roof.
  • These support devices are well-functioning when provided at a certain height on a wall, but are not adapted to be arranged on a roof.
  • a further object is to provide such a support device of a simple construction, which is cost effective to produce. This is achieved by means of the invention according to claim 1 .
  • the invention relates to a support device for supporting a safety cable, typically a wired steel cable, the support device comprising a metal sheet having an upper end and an opposed lower end, wherein the metal sheet comprises: at its lower end, an attachment portion arranged to be attached to a structure; at its upper end, a cut out between a first upper end section and an opposed, second upper end section, the cut out defining an opening facing upwards with respect to the metal sheet, the opening being arranged to receive a tense cable; and at its upper end, a wheel comprising a plurality of spokes, the wheel being rotatably attached to the first upper end section, wherein the wheel is arranged to extend towards the second upper end section, thereby covering the opening of the metal sheet and in operation enclosing the tense cable.
  • the spokes of the wheel are arranged with spaces between them, which spaces are dimensioned such that a snap hook or the like arranged around the cable can be placed in one of said spaces in operation and moved along the cable from one end of the metal sheet to the other end of the metal sheet by rotating the wheel, wherein the second upper end section extends upwards towards the periphery of the wheel, thereby forming an outer border of the opening preventing the tense cable to exit from the opening.
  • the inventive construction including a wheel with interspaced spokes that allows a snap hook or the like to pass the support device at will and with a low risk of being obstructed by the support device.
  • a person may hence pass the inventive support device without having to unlock the snap lock from the safety cable. Further this is achieved by means of a support device that is mechanically stable, but still cost effective to produce and easy to install.
  • FIG. 1 is a side view of an embodiment of a support device in accordance with the invention
  • Fig. 2 is a perspective view of the support device of fig. 1 ,
  • Fig. 3 is a front view of the support device of fig. 1 ,
  • Fig. 4 is a view from below of the support device of fig. 1 ,
  • Fig. 5 is a detailed view of a portion of fig. 1 .
  • Fig. 6 is an exploded perspective view of the support device of fig. 1 ,
  • FIGS 1 -6 a specific embodiment of a support device 1 in accordance with the invention is shown.
  • the support device 1 comprises a metal sheet 2 having an upper end 2a and an opposed lower end 2b.
  • the metal sheet 2 in turn, comprises an attachment portion 3 arranged to be attached to a structure, typically a roof.
  • the attachment portion 3 is arranged at the lower end 2b of the metal sheet 2.
  • the metal sheet 2 of the support device 1 and is described in terms of an upper end 2a and an opposed lower end 2b. It is to be understood that these references refer to the orientation of the support device 1 in its intended use, in which it should be fastened in an upright position at its lowermost end, the opposite upper end 2b extending upwards. The references are however also intended to describe the mutual positions of the support device, regardless of how the support device is oriented. It is to be understood that the support device, in conformity with a mug or a tree, has an inherit upper end and lower end, which appears logic to a person skilled in the art of roof equipment.
  • the metal sheet comprises a first upper end section 5 and an opposed, second upper end section 6.
  • a cut out 4 is provided between the first upper end section 5 and the second upper end section 6.
  • the cut out 4 defines an opening 7 facing upwards with respect to the metal sheet 2, which opening 7 is arranged to receive a safety cable, typically a wired steel cable that is arranged in a tense state.
  • the cable 20 is arranged to run through said opening 7.
  • the size of the opening 7 is well over-dimensioned with respect to the cable 20, such that the cable 20 is free to move both upwards and sideways inside the opening 7.
  • a main object of the size of the opening 7 is however to allow a snap hook or the like arranged around the cable 20 to pass at will through the opening 7.
  • a wheel 8 is rotatably attached to the first upper end section 5.
  • the wheel 8 comprises a plurality of spokes 9.
  • the wheel comprises four spokes with spaces 10 between them.
  • the spaces 10 are dimensioned such that a snap hook or the like arranged around the cable 20 can be placed in one of said spaces 10 in operation and moved along the cable 20 from one end of the metal sheet 2 to the other end of the metal sheet 2 by rotating the wheel 8.
  • the wheel 8 is arranged to extend towards the second upper end section 6, thereby covering the opening 7 of the metal sheet 2 and in operation enclosing the tense cable 20.
  • the second upper end section 6 extends upwards towards the periphery of the wheel 8, thereby forming an outer border of the opening 7 preventing the tense cable 20 to exit from the opening.
  • the distance between the periphery of the wheel 8 and the portion of second upper end section 6 that is closest to the periphery of the wheel 8 is smaller than the diameter of the tense cable 20.
  • a safety cable have a diameter corresponding to a fraction of an inch, e.g. 1 /8 inch (3 mm).
  • the distance between the periphery of the wheel 8 and the portion of second upper end section 6 should hence in accordance with one specific embodiment be less than 3 mm.
  • the second upper end section 6 of the support device 1 extends past, i.e. above, the periphery of the wheel 8 and comprises a recess 1 1 adapted to allow passage of the spokes 9 of the wheel 8 when rotating. Further, in the shown specific embodiment, the inner portion 12 of the second upper end section 6 immediately below the recess 1 1 extends inwards to overlap the radial extension of the outermost part of the wheel 8.
  • the second upper end section 6 of the support device 1 may include a lip 13 that is provided immediately above the recess 1 1 , which lip 13 extends inwards to overlap the radial extension of the outermost part of the wheel 8.
  • the lip 13 is arranged to hold the position of the wheel 8, i.e. to prevent the spokes 9 of the wheel 8 from bending upwards. Further, the lip 13 may assist in preventing the cable from leaving the opening 7. If the cable were to be pulled upwards when the wheel is out of position, i.e.
  • the safety cable 20 needs to be relatively tense during operation. From this follows that the cable will have a rigidity that prevents it from being bent past the wheel 8.
  • the support device 1 comprises an attachment portion 3 at the lower end 2b of the metal sheet 2.
  • the attachment portion 3 comprises a first attachment device 22 arranged to fixedly attach the support device 1 to a structure, preferably a roof.
  • the first attachment device 22 comprises at least one through hole arranged to receive a fastening means, such as a screw, bolt, nail, rivet or the like.
  • the shown embodiment includes 5 through holes.
  • the attachment portion 3 of the shown embodiment is integrated with the metal sheet 2, constituting a bent portion of the lower end 2b of the metal sheet 2. I may however also be a separate part that is attached to the lower end 2b of the metal sheet 2.
  • the attachment portion 3 may also be adapted to be attached to a bracket or attachment piece, which in turn is fixedly attached to a roof.
  • the attachment portion may include hooks or the like for attachment of the metal sheet 2.
  • the first upper end section 5 comprises a ledge 14 involving a second attachment device 15 for attachment of the wheel 8.
  • the ledge 14 is preferably an integrated part of the metal sheet 2, constituting a bent part of the first upper end section 5 of said metal sheet 2.
  • the second attachment device 15 of the shown embodiment is constituted of a through hole arranged to receive a fastening means, such as a screw, bolt, nail, rivet or the like.
  • the ledge 14 is a bent part of the first upper end section 5 of said metal sheet 2 through which a through hole is provided to constitute the attachment means 15, such that the wheel 8 may be fastened by means of a screw 16 and nut 19, preferably with washers 17 and 18 located at both sides of the through hole of the ledge 14.
  • the second attachment device 15 may however be arranged in other ways.
  • the first upper end section 5 of said metal sheet 2 may include one or more loops formed from a portion of the ledge 14 and providing a vertical through hole into which a rod, screw or the like may be arranged to fasten the wheel.
  • the wheel 8 may be disc-shaped and formed in one piece from a metal sheet. This will also contribute to the simplicity of the inventive construction.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)

Abstract

L'invention concerne un dispositif de support (1) permettant de supporter un câble de sécurité (20), le dispositif de support comprenant une feuille métallique (2) comportant une extrémité supérieure (2a) et une extrémité inférieure opposée (2b). La feuille métallique (2) comprend, au niveau de son extrémité inférieure (2b), une partie de fixation (3) agencée pour être fixée à une structure, au niveau de son extrémité supérieure (2a), une découpe (4) entre une première section terminale supérieure (5) et une deuxième section terminale supérieure opposée (6), la découpe (4) définissant une ouverture (7) orientée vers le haut par rapport à la feuille métallique (2), l'ouverture (7) étant agencée pour recevoir un câble tendu et une roue (8) comprenant une pluralité de rayons (9), la roue (8) étant fixée, de façon à pouvoir tourner, à la première section terminale supérieure (5). La roue (8) est agencée pour s'étendre vers la deuxième section terminale supérieure (6), recouvrant ainsi l'ouverture (7) de la feuille métallique (2) et enfermant, lors du fonctionnement, le câble tendu, où les rayons (9) de la roue (8) sont agencés avec des espaces (10) entre eux, lesquels espaces (10) sont dimensionnés de sorte qu'un mousqueton ou un dispositif similaire agencé autour du câble puisse être placé dans l'un desdits espaces (10) lors du fonctionnement et déplacé le long du câble d'une extrémité de la feuille métallique (2) à l'autre extrémité de la feuille métallique (2) par rotation de la roue (8), et où la deuxième section terminale supérieure (6) s'étend vers le haut en direction de la périphérie de la roue (8), ce qui forme un bord extérieur de l'ouverture (7) empêchant le câble tendu de sortir de l'ouverture.
PCT/EP2017/080291 2016-12-05 2017-11-24 Agencement de contournement de supports de rail de sécurité sans déconnexion de câble de sécurité WO2018104069A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL17809243T PL3548146T3 (pl) 2016-12-05 2017-11-24 Układ do obchodzenia wsporników toru zabezpieczającego bez rozłączania liny bezpieczeństwa
EP17809243.3A EP3548146B1 (fr) 2016-12-05 2017-11-24 Agencement de contournement de supports de rail de sécurité sans déconnexion de câble de sécurité

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1651590A SE541149C2 (en) 2016-12-05 2016-12-05 A cable support and a method of arranging such a support on a roof
SE1651590-0 2016-12-05

Publications (1)

Publication Number Publication Date
WO2018104069A1 true WO2018104069A1 (fr) 2018-06-14

Family

ID=60582570

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/080291 WO2018104069A1 (fr) 2016-12-05 2017-11-24 Agencement de contournement de supports de rail de sécurité sans déconnexion de câble de sécurité

Country Status (4)

Country Link
EP (1) EP3548146B1 (fr)
PL (1) PL3548146T3 (fr)
SE (1) SE541149C2 (fr)
WO (1) WO2018104069A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE2350484A1 (en) * 2023-04-24 2024-10-25 Cwl Patent Ab An apparatus and an arrangement for supporting a wire attachable to a structure of a building

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6378651B1 (en) * 1999-10-14 2002-04-30 Rose Manufacturing Company Horizontal lifeline fall arrest system
US6412420B1 (en) * 2000-10-06 2002-07-02 Sellstrom Manufacturing Co. Cable by-pass device and system
US20030183118A1 (en) 2002-03-27 2003-10-02 Marco Simard Support device with load-transfer functionality for supporting an intermediate portion of an elongated element

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600540B2 (fr) * 1986-06-27 1991-05-10 Herlicq Fils Ets Alfred Dispositif de securite pour circulation a grande hauteur.
US5105907A (en) * 1990-05-29 1992-04-21 Lebow Dwight R Fall restraint cable support and method
US6763910B2 (en) * 2001-07-06 2004-07-20 Mc Enterprises International, Inc. Safety roof structure including safety stanchions

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6378651B1 (en) * 1999-10-14 2002-04-30 Rose Manufacturing Company Horizontal lifeline fall arrest system
US6412420B1 (en) * 2000-10-06 2002-07-02 Sellstrom Manufacturing Co. Cable by-pass device and system
US20030183118A1 (en) 2002-03-27 2003-10-02 Marco Simard Support device with load-transfer functionality for supporting an intermediate portion of an elongated element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE2350484A1 (en) * 2023-04-24 2024-10-25 Cwl Patent Ab An apparatus and an arrangement for supporting a wire attachable to a structure of a building
EP4454719A1 (fr) * 2023-04-24 2024-10-30 CWL Patent AB Appareil pour supporter un fil pouvant être fixé à une structure d'un bâtiment
SE546581C2 (en) * 2023-04-24 2024-12-10 Cwl Patent Ab An apparatus and an arrangement for supporting a wire attachable to a structure of a building

Also Published As

Publication number Publication date
EP3548146B1 (fr) 2021-01-06
SE541149C2 (en) 2019-04-16
SE1651590A1 (sv) 2018-06-06
EP3548146A1 (fr) 2019-10-09
PL3548146T3 (pl) 2021-07-12

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