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EP4275762A1 - Dispositif de fixation pour fixer un fil de sécurité à un équipement de toit - Google Patents

Dispositif de fixation pour fixer un fil de sécurité à un équipement de toit Download PDF

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Publication number
EP4275762A1
EP4275762A1 EP23165925.1A EP23165925A EP4275762A1 EP 4275762 A1 EP4275762 A1 EP 4275762A1 EP 23165925 A EP23165925 A EP 23165925A EP 4275762 A1 EP4275762 A1 EP 4275762A1
Authority
EP
European Patent Office
Prior art keywords
fastening device
fastening
safety wire
holder
roof equipment
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.)
Pending
Application number
EP23165925.1A
Other languages
German (de)
English (en)
Inventor
Andreas FRÖDERBERG
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.)
CWL Patent AB
Original Assignee
CWL Patent AB
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 CWL Patent AB filed Critical CWL Patent AB
Publication of EP4275762A1 publication Critical patent/EP4275762A1/fr
Pending legal-status Critical Current

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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
    • A62B35/0043—Lifelines, lanyards, and anchors therefore
    • A62B35/0068—Anchors
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3276—Arrangements on buildings for connecting safety-lines

Definitions

  • the invention relates to a fastening device for fastening a safety wire to a roof equipment. Furthermore, the invention also relates to a fall protection system.
  • Such a fastening device may comprise one or more fastening means for fastening the fastening device to a roof equipment and a holder for holding a section of a safety wire.
  • roof equipment are ladders, snow fences, safety equipment and solar panels.
  • the mentioned fastening devices are generally part of fall protection systems which are required to fulfil safety requirements stipulated by government authorities or industrial standards.
  • An objective of embodiments of the invention is to provide a solution which mitigates or solves the drawbacks and problems of conventional solutions.
  • Another objective of embodiments of the invention is to provide a solution having a compact design for fastening a safety wire to a roof equipment.
  • a fastening device for fastening a safety wire to a roof equipment comprising:
  • first member and the second member are attached to each other when the first engagement means and the second engagement means are fully engaged with each other.
  • the fastening means may be any means known in the art for fastening the fastening device to the roof equipment.
  • a fastening device that fastens the safety wire to the roof equipment in a secure and easy manner with a compact design.
  • the first engagement means comprises a protruding section and the second engagement means comprises a corresponding slit, or vice versa, for engaging with the protruding section.
  • the protruding section and the corresponding slit extend in parallel to the extension direction of the safety wire in the holder.
  • the protruding section and the corresponding slit extend perpendicular to the extension direction of the safety wire in the holder.
  • the protruding section and the corresponding slit at least partially are arranged in a radius of an inner surface of the holder.
  • the protruding section and the corresponding slit may together form a part of the radius of an inner surface of the holder.
  • the first engagement means is arranged in the first member, and the second engagement means is arranged in the second member.
  • the holder has a cylindric inner shape for enclosing and holding the section of the safety wire.
  • an inner surface of the holder comprises a locking means for locking the safety wire in the holder in the extension direction of the safety wire.
  • the locking means are protrusions arranged at an inner surface of the holder to engage with the section of the safety wire.
  • the locking means is arranged in the first member.
  • the first part comprises a first attachment means and the second part comprises a second attachment means, and wherein the first attachment means and the second attachment means are configured to cooperatively attach the first part to the second part, or vice versa.
  • the first attachment means is arranged at a first intermediate member of the first part, the first intermediate member being attached to the first member, and wherein the second attachment means is arranged at a second intermediate member of the second part, the second intermediate member being arranged between the second member and the fastening means.
  • the first intermediate member and the second intermediate member are substantially flat.
  • the second part comprises a fastening member at which the fastening means is arranged, and wherein the fastening member is angled in relation to the second intermediate member.
  • the fastening device comprises a pivot axle for varying a mounting angle between the fastening device and the roof equipment.
  • the holder encloses the section of the safety wire in operation.
  • the first member and the second member extend from the holder in an acute angle.
  • the first member and the second member extend from the holder in parallel to each other.
  • the fastening device comprises a pivot mechanism or axle so that the fastening device can be pivoted in relation to the roof equipment when mounted thereon.
  • the above mentioned and other objectives are achieved with a fall protection system for a roof, the fall protection system comprising a roof equipment and a safety wire fastened to the roof equipment by means of a fastening device according to any embodiment of the invention.
  • the roof equipment is one or more in a group comprising: walkway, roof ladder, facade ladder, and ridge rail.
  • Figs. 1 to 3 show a fastening device 100 for fastening a safety wire 200 to a roof equipment 300 in three different operating states according to embodiments of the invention.
  • the fastening device 100 is in non-engaged state in Fig. 1 , in semi-engaged state in Fig. 2 and in fully engaged state in Fig. 3 .
  • the fastening device 100 comprises a fastening means 102 for fastening the fastening device 100 to the roof equipment 300.
  • Such fastening means 102 may be any means known in the art for fastening different parts to each other, e.g., bolts, screws and adhesive.
  • the fastening device 100 further comprises a first part 110 comprising a first member 112 and a first engagement means 114, 114', and a second part 120 comprising a second member 122 and a second engagement means 124, 124'.
  • the first member 112 and the second member 122 when attached to each other together form a holder 132 for receiving and holding a section of the safety wire 200. In embodiments of the, the holder 132 fully or partially enclosed the section of the safety wire 200.
  • first engagement means 114, 114' and the second engagement means 124, 124' of the fastening device 100 are configured to engage with each other to lock the first part 110 in relation to the second part 120, or vice versa, in a direction parallel to an extension direction ED of the safety wire 200 in the holder 132.
  • first part 110 and the second part 120 when fully attached and engaged with each other will not be able to move in relation to each other in a direction in parallel to the extension direction ED of the safety wire 200 in the holder 132.
  • the safety wire 200 will be firmly held in the holder 132 formed by the first part 110 and the second part 120.
  • the first engagement means 114, 114' and the second engagement means 124, 124' together forms a locking device.
  • the first engagement means 114, 114' comprises a protruding section and the second engagement means 124, 124' comprises a corresponding slit for engaging with the protruding section, and/or vice versa.
  • the first engagement means 114, 114' may comprises one or more protruding sections and one or more corresponding slits and/or the second engagement means 124, 124' may comprises one or more protruding sections and one or more corresponding slits.
  • the corresponding slit is formed and configured to receive the protruding section.
  • the protruding section and the corresponding slit extend in parallel to the extension direction of the safety wire 200 in the holder 132.
  • the first part 110 comprises a first attachment means 116 and the second part 120 comprises a second attachment means 126.
  • the first attachment means 116 and the second attachment means 126 are configured to cooperatively attach the first part 110 to the second part 120, or vice versa.
  • the engagement means will make the first part 110 attached to the second part 120 when fully engaged but the attachment means will make the attachment event more secure so as to make the holder firmly hold the wire section.
  • the first attachment means 116 and the second attachment means 126 are through holes which e.g., together with screws or bolts makes the first part 110 firmly attached to the second part 120.
  • the inner surface of the holder 132 may comprise a locking means 136 for locking the safety wire 200 in the holder 132 in the extension direction ED of the safety wire 200.
  • the locking means 136 may e.g., be protrusions arranged at an inner surface 134 of the holder 132 to engage with the section of the safety wire 200.
  • the locking protrusions are dimensioned so as to provided locking properties of the safety wire 200 in the holder 132 and at the same time to not make installation of the safety wire 200 in the holder 132 difficult by providing enough space in the holder 132 for the safety wire 200.
  • the locking means 136 may be arranged in the first member 112.
  • Figs. 4 to 6 show a fastening device 100 for fastening a safety wire 200 to a roof equipment 300 in three different operating states according to further embodiments of the invention.
  • the fastening device 100 is in non-engaged state in Fig. 4 , in semi-engaged state in Fig. 5 and in fully engaged state in Fig. 6 .
  • the fastening device 100 in Figs. 4 to 6 differs from the example disclosed in the previous Figs. in that a major part of the protruding section(s) and the corresponding slit(s) extend perpendicular to the extension direction of the safety wire 200 in the holder 132. More specifically, the protruding sections and the corresponding slits form a plurality of teeth having a wider tip section which corresponds to a smaller tip section of the corresponding slits. The teeth and the slits are arranged to engage and lock each other to form a part of the inner surface of the holder 132. Thereby, a very secure locking engagement is provided.
  • the protruding section(s) and the corresponding slit(s) are arranged along a radius of the inner surface of the holder 132.
  • the protruding section(s) and the corresponding slit(s) together form at least a part of the inner surface of the holder when the engagement means are fully engaged with each other. This means a very compact solution for fastening the safety wire 200 to the roof equipment 300.
  • the first engagement means 114, 114' may be arranged in the first member 112, and the second engagement means 124, 124' may be arranged in the second member 122.
  • the holder 132 may have a cylindric inner shape for enclosing and holding the section 202 of the safety wire 200 as shown in the Figs.
  • the fastening means 102 is in Fig. 4 exemplified as a flat member coupled to the second part 120.
  • the fastening means 102 further comprises a through hole 102' through which a bolt connection may be arranged for fastening to roof equipment 300.
  • Fig. 7 shows a fastening device 100 in a side view according to embodiments of the invention.
  • the area in which the engagement means of the parts meet is marked as interface area in Fig. 7 .
  • the holder 132 in the form of a cylinder is also clearly shown in Fig. 7 .
  • the first intermediate member 118 and the second intermediate member 128 are substantially flat.
  • a distance d may be formed between the first 118 and second 128 intermediate member when first 110 and second 120 parts are engaged with each other. The distance d will be fully or partially reduced in case first 116 and second 126 attachment means are employed.
  • first member 112 and the second member 122 in embodiments of the invention extend from the holder 132 in an acute angle. Mentioned acute angle is an angle larger than 0 degrees and smaller than 90 degrees. However, the first member 112 and the second member 122 may extend from the holder 132 in parallel to each other in other embodiments of the invention.
  • Figs. 8 and 9 show a fastening device 100 with different configurations of the fastening means 102 according to embodiments of the invention.
  • the first attachment means 116 may be arranged at a first intermediate member 118 of the first part 110, and the first intermediate member 118 is in turn attached to the first member 112.
  • the second attachment means 126 may be arranged at a second intermediate member 128 of the second part 120, and the second intermediate member 128 is in turn arranged between the second member 122 and the fastening means 102 as illustrated in Fig. 8 .
  • FIGs. 8 and 9 show when the second part 120 comprises a fastening member 142 at which the fastening means 102 is arranged.
  • the fastening member 142 is angled in relation to the second intermediate member 128 and connected thereto while the fastening member 142 in Fig. 9 form a part of the second part 120.
  • the fastening means 102 may be any suitable means for fastening the fastening device 100 to the roof equipment 300.
  • the fastening means 102 in Fig. 8 may be directly bolted or screwed at the roof equipment 300.
  • the fastening means 102 may comprise a part enclosing a section of the roof equipment 300 and thereon be attached.
  • the fastening device 100 may comprise a hinged or pivot mechanism or axle 150 so that the fastening device 100 can be pivoted in relation to the roof equipment 300 when mounted thereto.
  • the pivot axle 150 may be arranged at the location where the fastening means connects to the second part 120 as shown in Fig. 8 or arranged at the fastening means where it meets the roof equipment 300 as shown in Fig. 9 .
  • Other configurations of the pivot mechanism are naturally possible within the scope of the appended claims.
  • the fastening device 100 may be mounted in relation to the roof equipment 300 in different angles so as to adapt the mounting angle between the fastening device 100 and the roof equipment 300.
  • the pivot mechanism may therefore also comprise locking mechanism so that the mounting angle can be varied in discrete steps or continuously depending on the application.
  • Figs. 10 and 11 illustrate an end fastening device 500 for fastening an end of a safety wire 200 to a roof equipment 300 shown in a side view in Fig. 10 and in a cross-sectional view along line A-A' in Fig. 11 according to embodiments of the invention.
  • the end fastening device 500 herein disclosed comprises a fastening means 502 for fastening the end fastening device 500 to the roof equipment 300.
  • the end fastening device 500 further comprises a first channel 510 configured to receive and hold a first end section 210 of the safety wire 200, and further comprises a second channel 520 configured to receive and hold a second end section 220 of the safety wire 200.
  • the end fastening device 500 also comprises locking member 530 configured to lock the first end section 210 in the first channel 510 and/or the second end section 220 in the second channel 520. It is noted that the first end section 210 and the second 210 end sections are separate and different end sections of the safety wire 200. Further, the fastening means 502 may be attached to the roof equipment 300 by means of attachment means 514 such as bolts, screws, etc.
  • the first channel 510 and the second channel 520 are not connected to each other as shown in Fig. 10 . Hence, they form two independent and separate parallel channels without any interconnection therebetween.
  • the first channel 510 and/or the second channel 520 has an opening 542 directed toward the locking member 530.
  • the channels in these cases may have a shape of an inner cylinder cut in part in its middle section along its extension. Therefore, the opening 542 in such cases extends in parallel to an extension direction of the first end section 210 and/or the second end section 220 of the safety wire 200.
  • a locking plate acting as a locking member 530 extends at least partially over the first channel 510 and/or the second channel 520.
  • the locking member 530 may comprise one or more locking plates for locking the safety wire 200.
  • the locking plate may be attached to and to act upon the security wire 200 in the first 510 and second 520 channels by means of fixing means 516 for fixing the locking plate.
  • the locking member 530 may comprise locking means 532 arranged towards the first end section 210 in the first channel 510 and/or the second end section 220 in the second channel 510.
  • the locking means 532 may be protrusions dimensioned for the locking function.
  • Fig. 12 shows an example of a first 510 and/or a second 520 channel in which the first channel 510 and/or the second channel 520 comprises a curved section 512 configured to receive and hold the first end section 210.
  • the curved section 512 will, due to its shape, act as a partially locking means of the safety wire.
  • the curvature of the curved section 512 will determine the locking force applied on the safety wire in the extension direction ED.
  • the locking force has to be balanced with the how easy or difficult it will be to thread the safety wire through the curved section 512.
  • the curved section 512 comprises and opening as previously described.
  • Fig. 13 shows a fall protection system 400 for a roof according to embodiments of the invention.
  • the fall protection system 400 comprises a roof equipment 300 and a safety wire 200 fastened to the roof equipment 300 by means of a fastening device 100 according to embodiments of the invention.
  • the fastening device 100 optionally together with the end fastening device 500 act as anchor points for the safety wire 200 in a personal fall protection system 400.
  • the person may be coupled to the safety wire 200 by means of a so-called glider 210 running along the safety wire 200.
  • the roof equipment 300 may be any suitable roof equipment such as walkway, roof ladder, facade ladder, and ridge rail.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)
EP23165925.1A 2022-05-09 2023-03-31 Dispositif de fixation pour fixer un fil de sécurité à un équipement de toit Pending EP4275762A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2250558 2022-05-09

Publications (1)

Publication Number Publication Date
EP4275762A1 true EP4275762A1 (fr) 2023-11-15

Family

ID=85800220

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23165925.1A Pending EP4275762A1 (fr) 2022-05-09 2023-03-31 Dispositif de fixation pour fixer un fil de sécurité à un équipement de toit
EP23166179.4A Pending EP4275763A1 (fr) 2022-05-09 2023-03-31 Dispositif de fixation d'extrémité pour système de protection contre les chutes

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP23166179.4A Pending EP4275763A1 (fr) 2022-05-09 2023-03-31 Dispositif de fixation d'extrémité pour système de protection contre les chutes

Country Status (1)

Country Link
EP (2) EP4275762A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6056085A (en) * 1998-10-23 2000-05-02 Capital Safety Inc. Anchorage methods and apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2000814C2 (nl) * 2007-08-15 2009-02-23 Safeway Gmbh Veiligheidsvoorziening voor een dak.
GB2466460A (en) * 2008-12-22 2010-06-23 Central High Rise Ltd Swivel end anchor for fall arrest system
ITBI20110010A1 (it) * 2011-10-04 2013-04-05 Davide Gamba System life

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6056085A (en) * 1998-10-23 2000-05-02 Capital Safety Inc. Anchorage methods and apparatus

Also Published As

Publication number Publication date
EP4275763A1 (fr) 2023-11-15

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