EP4074919A1 - Gehweganordnung - Google Patents

Gehweganordnung Download PDF

Info

Publication number
EP4074919A1
EP4074919A1 EP22157971.7A EP22157971A EP4074919A1 EP 4074919 A1 EP4074919 A1 EP 4074919A1 EP 22157971 A EP22157971 A EP 22157971A EP 4074919 A1 EP4074919 A1 EP 4074919A1
Authority
EP
European Patent Office
Prior art keywords
walkway
attachment
elongated
arrangement
console
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
EP22157971.7A
Other languages
English (en)
French (fr)
Inventor
Rolf Hedlund
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 EP4074919A1 publication Critical patent/EP4074919A1/de
Pending legal-status Critical Current

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Classifications

    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
    • E04G3/26—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons specially adapted for working on roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/12—Devices or arrangements allowing walking on the roof or in the gutter
    • 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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
    • E04G1/152—Platforms made of metal or with metal-supporting frame
    • 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
    • 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
    • E04G21/329—Arrangements on buildings for connecting safety-lines with measures for dampening the fall
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/041—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffolds on roof frameworks or on roofs

Definitions

  • aspects of the present application relate to a walkway arrangement attachable to a roof.
  • Roof equipment such as snow fences, railings, ladders, walkways and safety wires with anchoring points, are often attached to the roofs of buildings.
  • Some conventional roof equipment devices are attached to the roof with plate-shaped consoles.
  • Recently, some requirements on the loads which the roof equipment should withstand have been increased. For example, one requirement is that an arrangement with a walkway should be able to withstand a maximum static weight, such as static weights up to 260 kg placed on the walkway, without a collapse of the walkway arrangement.
  • the inventor of the present invention has found that in order to manage one or more of the above-mentioned requirements, the walkway arrangement needs to be reinforced, and one of the areas where such reinforcement may be placed is on the consoles holding the walkway.
  • this reinforcement may be done by choosing thicker steel plates for the consoles, or to introduce folded edges or ribs.
  • the inventor of the present invention has found drawbacks in conventional solutions for the attachment of walkways to the roof of a building.
  • the inventor of the present invention has found that the measures of reinforcing the walkway arrangement may lead to conflicts with other requirements for the walkway arrangement.
  • the walkway arrangement may also provide anchoring points for personal fall protection.
  • one requirement may be that the roof equipment should be able to manage fall weights, such as the weight of a person or user falling off the walkway.
  • the inventor of the present invention has found that the walkway arrangement should deform or collapse in a controlled manner, providing energy absorbing properties such that the fall of the user is dampened.
  • the inventor of the present invention has found that some conventional walkway arrangements are too rigid.
  • the inventor of the present invention has found that if the walkway arrangement is too rigid, the stop of the fall of the user will be too sudden, and the falling user may be adversely affected by such a sudden stop. Thus, the inventor of the present invention has found that there is a need for a solution which can manage increased static loads with maintained energy absorbing properties.
  • An object of the invention is to provide a solution which mitigates or solves drawbacks and problems of conventional solutions.
  • a walkway arrangement attachable to a roof, wherein the walkway arrangement comprises
  • An advantage of the walkway arrangement according to the first aspect is that an improved walkway is provided.
  • An advantage of the walkway arrangement according to the first aspect is that a walkway with improved energy handling properties is provided.
  • An advantage of the walkway arrangement according to the first aspect is that improved safety for personnel or users working on the roof is provided.
  • An advantage of the walkway arrangement according to the first aspect is that if a person or user walking on the walkway, which is attached with personal fall arrest equipment, falls off the walkway, the walkway will lift from the second attachment plate which it is resting while bending or rotating about the fixed attachment point on the first attachment plate, whereby an energy absorbing function is provided together with the collapsing of the walkway console and parts of the roof console, whereby the impact on the falling person or user is reduced.
  • the elongated walkway is unattached, i.e. not attached, to the second attachment plate.
  • the roof is a roof of a building.
  • a walkway arrangement intended and designed to be attached to a roof.
  • the walkway arrangement may comprise a roof console to be attached to the roof and a walkway console to be attached to the roof console.
  • the walkway console may be arranged with at least a first and a second attachment plate, each provided with attachment points.
  • an elongated walkway may be provided with attachment points at side surfaces of the walkway, where the walkway is arranged to be placed on the attachment plates such that attachment points of the attachment plates and attachment points of the walkway are aligned.
  • the walkway is fixedly attached to the first attachment plate and resting on the second attachment plate.
  • the walkway may be fixedly attached at a side of the walkway where the personal fall arrest equipment is attached.
  • Said side usually has a longitudinal extension substantially in parallel to the direction of the eave of the roof.
  • the walkway arrangement may comprise one or more stabilizing means between the walkway and the walkway console for reducing relative sideways movement of the walkway console. Some sideways movement of the walkway may otherwise occur since the walkway is merely resting on the second attachment plate, which may allow relative movement between the walkway and the second attachment plate when a person is walking on the walkway.
  • the stabilizing means may comprise at least one further attachment point on the first attachment plate for a further attachment. This further attachment point may be placed at a distance along the side of the walkway. This reduces the possibility of relative movement as described above.
  • the stabilizing means may comprise an upward directed element extending through the attachment point of the second attachment plate.
  • the upward directed element could for example be a pin or bolt attached to the second attachment plate, which may extend through holes along the side of the walkway.
  • the stabilizing means may further comprise means of attachment for holding said walkway until a certain load is applied, whereupon said walkway is released from the second attachment plate.
  • the walkway is held against the second attachment plate until the walkway is exposed to forces from a person or user falling off the walkway.
  • the stabilizing means may comprise a tongue of, or formed in, the second attachment plate, which is plastically deformable to provide a function of attachment of the walkway.
  • the tongue which may be plate-shaped, may extend through a hole of the walkway and may then be bent toward the upper surface of the walkway, thereby holding the walkway against the second attachment plate.
  • the tongue will be bent back and the walkway is released.
  • the stabilizing means may comprise a stabilizing attachment element.
  • the stabilizing attachment elements may be made of a material with a low pulling strength, such as plastic.
  • Different variants of stabilizing attachment elements which may be passed through the holes of the walkway and the second attachment plate, may be used, having parts expanding when entered through the holes, providing a holding function. However, when exposed to a force, these parts will break or deform, releasing the walkway from the second attachment plate.
  • the stabilizing attachment element may be arranged with, or comprise, one or more breakage initiators. This could for example be a bolt through the hole and secured with a nut, wherein the bolt is provided with one or more weakenings, or weaker or thinner areas, which will break off the bolt when exposed to forces.
  • a roof arrangement comprising a roof and a walkway arrangement according to any one of the embodiments disclosed above or below.
  • the words inner and inwardly refer to components or parts of components or areas that are placed closer or directed toward an inclined roof surface 102
  • the words outer and outwardly refer to components or parts of components or areas that are placed farther or directed away from the inclined roof surface 102.
  • the words upward or upwardly refer to components or parts of components extending in a generally vertical direction from the roof surface 102
  • the words downward or downwardly refer to components or parts of components extending in a generally vertical direction toward the roof surface 102.
  • Figs. 1 and 2 schematically illustrate an embodiment of the walkway arrangement 10 attachable, or attached, to a roof 102, and/or which may be placed on a roof 102, for example a roof 102 of a building.
  • the walkway arrangement 10 comprises a roof console 12 attachable, or attached, to the roof 102 or to a roof surface 102.
  • the roof console 12 may be described, or defined, as an attachment member or a bracket.
  • the walkway arrangement 10 comprises a walkway console 14 attachable, or attached, to the roof console 12.
  • the walkway console 14 may be described, or defined, as an attachment member or a bracket.
  • the walkway arrangement 10 comprises an elongated walkway 26 comprising attachment points 46 at side, or lateral, surfaces 48 of the elongated walkway 26.
  • the attachment point or points 46 of the elongated walkway 26 may comprise one or more holes 46 or openings.
  • the walkway console 14 comprises a first attachment plate 20 and a second attachment plate 22.
  • the first attachment plate 20 comprises one or more attachment points 24.
  • the attachment point or points 24 of the first attachment plate 20 may comprise one or more holes 24 or openings.
  • the elongated walkway 26 is placed, or is configured to be placed, on the first and second attachment plates 20, 22 such that the one or more attachment points 24 of the first attachment plate 20 and one or more of the attachment points 46 of the elongated walkway 26 are aligned.
  • the elongated walkway 26 is fixedly attached to the first attachment plate 20 while the elongated walkway 26 rests on the second attachment plate 22 in an unfixed manner.
  • the wording "unfixed manner” implies that the elongated walkway 26 is not fixedly attached to the second attachment plate 22, whereas the elongated walkway 26 is fixedly attached to the first attachment plate 20.
  • the less force is required to lift the elongated walkway 26 from the second attachment plate 22 than what is required to lift the elongated walkway 26 from the first attachment plate 20.
  • the elongated walkway 26 has a longitudinal extension extending in a longitudinal direction, for example from a first end portion of the elongated walkway 26 to a second end portion of the elongated walkway 26.
  • the first attachment plate 20 is fixedly attached to a longitudinal lateral side of the elongated walkway 26, or a longitudinal lateral side of the longitudinal extension of the elongated walkway 26, for example where the personal fall arrest equipment is attached.
  • the elongated walkway 26 may be fixedly attached at a side of the elongated walkway 26 where the personal fall arrest equipment is attached.
  • the second attachment plate 22 may comprises one or more attachment points 24.
  • the attachment point or points 24 of the second attachment plate 22 may comprise one or more holes 24 or openings.
  • the elongated walkway 26 may be placed, or may be configured to be placed, on the first and second attachment plates 20, 22 such that the one or more attachment points 24 of the second attachment plate 22 and one or more of the attachment points 46 of the elongated walkway 26 are aligned.
  • the walkway console 14 may include a first leg section 16 and a second leg section 18.
  • the walkway console 14 may include a head section 15, wherein the first and second leg sections 16, 18 are joined in the head section 15.
  • the first leg section 16 may include the first attachment plate 20 while the second leg section 18 may include the second attachment plate 22.
  • the first and second attachment plates 20, 22 may be spaced apart from one another such that a space 17 (see Fig. 4 ) is formed between the first and second leg sections 16, 18.
  • the walkway console 14 of this embodiment may be described to be U- or Y-shaped. An advantage of the embodiment including the first and second leg sections 16, 18 and first and second attachment plates 20, 22 spaced apart from one another is that the walkway arrangement 10 is further provided.
  • An advantage of this embodiment is that the energy handling properties are further improved.
  • An advantage of this embodiment is that if a user on the elongated walkway 26, the user being attached with personal fall arrest equipment, falls off the elongated walkway 26, the first leg section 16 may bend while the elongated walkway 26 lifts from the second attachment plate 22 and while the elongated walkway 26 rotates about the fixed attachment point 24 of the first attachment plate 20, whereby an energy absorbing function is provided, and the impact on the falling user is reduced.
  • the walkway arrangement 10 may include a strut 42 attachable, or attached, to the roof console 12 and to the elongated walkway 26.
  • the strut 42 may be attachable, or attached, to one or more attachment points 46 at a side, or lateral, surface 48 of the elongated walkway 26, or to a side of the elongated walkway 26 where, or to which, the first the first attachment plate 20 and/or the personal fall arrest equipment are/is attached.
  • the strut 42 may be referred to as a supporting element or member, or an auxiliary supporting element.
  • An advantage of the embodiment including the strut 42 is a further improved stability of the walkway arrangement 10.
  • the attachment of the strut 42 to the elongated walkway 26 may be spaced apart from the first attachment plate 20.
  • the strut 42 may be attached, or attachable, to the roof console 12 by way of one or more of the group of: the hole 32 of the roof console 12; the bolt 30; the nut 34; and the central hole 28 of the walkway console 14.
  • the strut 42 may be attachable, or attached, to the walkway console 14.
  • the strut 42 is attachable, or attached, to the elongated walkway 26 and to one or more of the roof console 12 and walkway console 14.
  • the roof console 12 may have a bottom section 13 comprising components for the attachment to a roof 102.
  • the components for the attachment to the roof 102 may be different depending on the type of roof surface 102, such as folded sheet metal, profiled sheet metal, tiles, roofing felt, etc.
  • a walkway console 14 may be attached to the roof console 12.
  • the walkway console 14 may be designed with, or may comprise, two upwardly directed sections 16, 18.
  • the upper ends of the sections 16, 18 may be arranged with, or comprise, the first and second attachment plates 20, 22.
  • Each of the first and second attachment plates 20, 22 may be oriented substantially perpendicular to the extension of the upward section 16, 18.
  • the first or second attachment plate 20, 22 may be provided, or formed, by bending the upper part of the section 16, 18 or by being welded to the upper edges of the section 16, 18.
  • the first and second attachment plates 20, 22 may be arranged with, or may form, one or more holes 24, through-holes, or openings, for example a plurality of holes 24.
  • an elongated, for example profiled, walkway 26 is to be placed.
  • the walkway console 14 may be provided with, or may form, a hole 28, a through-hole, or an opening, which may be placed symmetrically with respect to the upward sections 16, 18, for example a substantially central location at the walkway console 14.
  • the hole 28 of the walkway console 14 may be referred to as a central hole 28.
  • the walkway console 14 may form number of holes 36 at a lower section of the walkway console 14, for example along a circle sector with a fixed radius from the upper hole 28.
  • One of the holes 36 may be chosen depending on the inclination of the roof 102 in order to arrange the elongated walkway 26 substantially horizontal.
  • the hole 36 of the walkway console 14 may be referred to as a peripheral hole 36.
  • a bolt 38 may be placed, or inserted, in the chosen hole 36 of the walkway console 14 and may be passed through a hole or passage of the roof console 12 and tightened by a nut 39 and possibly a washer.
  • the roof console 12 may form an opening 40. As shown in Fig. 4 , the bolt 38 is inserted in the opening 40, or cut-out, of the roof console 12.
  • the opening 40 of the roof console 12 may be elongated and may include an enlargement at each end of the opening 40.
  • the opening 40 of the roof console 12 may also be used for attaching snow fences.
  • One aspect is that the attachment of the walkway console 14 to the roof console 12 may be placed as close to the bottom section 13 of the roof console 12 as possible for minimizing the risk of buckling or collapsing of the roof console 12 when the walkway arrangement 10 is exposed to high static loads.
  • a strut 42 may be attached diagonally between the roof console 12 and an outer section of the walkway 26, as illustrated in Fig. 2 .
  • the elongated walkway 26 may be attached to the walkway console 14 as follows: At least one bolt 44 (see Fig. 2 ) is passed through an attachment hole 46 of the row of holes placed along an outer area 48 of the elongated walkway 26. The at least one bolt 44 is also passed through a hole 24 of the first, or outer, attachment plate 20 of the walkway console 14 and tightened with a nut 50. According to the energy absorbing solution, the elongated walkway 26 is not attached to the second, or inner, attachment plate 22 of the walkway console 14 but is merely resting on it in an unfixed manner.
  • the walkway arrangement 10 may include one or more stabilizing elements or means 24, 44, 50; 52; 58; 60; 64; 70 between the elongated walkway 26 and the walkway console 14, for example extending from the walkway console 14 to the elongated walkway 26, for reducing relative sideways movement of the walkway console 14.
  • the stabilizing means 24, 44, 50; 52; 58; 60; 64; 70 may comprise at least one further attachment point on the first attachment plate 20 for a further attachment.
  • the first attachment plate 20 is arranged with, or forms, two holes 24.
  • the first attachment plate 20 may be extended and be provided with, or form, several holes at a distance along the elongated walkway as seen in Fig. 5 , through which a bolt 44 may be inserted and secured by a nut 50, thereby reducing sideways movement between the elongated walkway 26 and the walkway consoles 14.
  • the first attachment plate 20 may form one hole 24 only.
  • additional stabilizing elements may be arranged, or provided, between the inner row of holes of the elongated walkway 26 and the second, or inner, attachment plate 22 of the walkway console 14.
  • the stabilizing means 24, 44, 50; 52; 58; 60; 64; 70 may comprise an upward directed element 52; 58 of the second attachment plate 22.
  • the stabilizing means 24, 44, 50; 52; 58; 60; 64; 70 may comprise means of attachment 58; 60; 64; 70 for holding the elongated walkway 26 until a certain load is applied, whereupon the elongated walkway 26 is released from the second attachment plate 22.
  • the second, or inner, attachment plate 22 may be arranged with a pin 52, or a protrusion, protruding up through one of the holes 54 of the row of holes of an inner area 56 of the elongated walkway 26, thereby further reducing sideways movement of the elongated walkway 26 in relation to the walkway consoles 14.
  • a stabilizing element 58 may be formed directly by the first, or inner, attachment plate 22.
  • the stabilizing means 24, 44, 50; 52; 58; 60; 64; 70 may comprises a tongue 58 of the second attachment plate 22, the tongue 58 being plastically deformable to provide a function of attachment of the elongated walkway 26.
  • the tongue 58 may be integrally formed with the second attachment plate 22, or attached to the second attachment plate 22 in other ways, for example by welding. As illustrated in Fig. 7 , for some embodiments, a part of the second attachment plate 22 may be cut to form the tongue 58 which is folded upwardly.
  • the width of the tongue 58 may be somewhat smaller than the diameter of the hole 54 of the elongated walkway 26, to fit the tongue 58 into one of the holes 54, thereby providing an improved sideway stabilizing effect.
  • the tongue 58 may be folded back somewhat when passed through a hole 54 of the elongated walkway 26 in order to also provide a holding effect.
  • it may be defined that the tongue 58 is weak and will give way and bend back if a fall occurs as described above.
  • the stabilizing means 24, 44, 50; 52; 58; 60; 64; 70 may comprise a stabilizing attachment element 60, 64, 70.
  • the stabilizing attachment element 60, 64, 70 may be made of a material with a low pulling strength.
  • the stabilizing attachment element 70 may comprise, or form, a breakage initiator 72, such as groove or weakening.
  • one or more stabilizing attachment elements 60, 64, 70 may be provided, designed, or configured, to break when exposed to a force of a person falling off the elongated walkway 26 as described above.
  • the stabilizing attachment element 60, 64, 70 may have different designs and/or be made of materials which break or deform when exposed to relatively moderate forces, such as plastic.
  • Fig. 8 schematically illustrates an embodiment of the stabilizing attachment element 60 provided with fins 62 or projections, which deform elastically when inserted through the hole of the second, or inner, attachment plate 22 and the elongated walkway 26 and expand when they have passed through the hole, providing a holding function.
  • Another embodiment of the stabilizing attachment element 64 is schematically illustrated in Fig. 9 , wherein two components 66, 68 are pushed together to engage one another, one 66 of the two components 66, 68 having one or more outer elements while the other one 68 of the two components 66, 68 having one or more inner elements, thereby expanding the one or more outer elements so as to provide a holding function.
  • a further embodiment of the stabilizing attachment element 70 is schematically illustrated in Fig. 10 , wherein a bolt 70 is provided with a break-initiating circumferential groove 72 configured to break when exposed to a certain pulling force.
  • FIG. 1 an embodiment of the roof arrangement 100 according to the second aspect of the invention is schematically illustrated, wherein the roof arrangement 100 comprises a roof 102 and a walkway arrangement 10 according to any one of the embodiments disclosed above or below.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
EP22157971.7A 2021-04-15 2022-02-22 Gehweganordnung Pending EP4074919A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2150471 2021-04-15

Publications (1)

Publication Number Publication Date
EP4074919A1 true EP4074919A1 (de) 2022-10-19

Family

ID=80447184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22157971.7A Pending EP4074919A1 (de) 2021-04-15 2022-02-22 Gehweganordnung

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EP (1) EP4074919A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1534933A1 (de) * 1963-09-21 1969-08-28 Hans Gielissen Vorrichtung zur Errichtung von Arbeits-,Schutz- und Fanggeruesten an und auf Daechern
DD218133A1 (de) * 1983-10-10 1985-01-30 Metalleichtbaukombinat Werk Pl Verstellbarer laufsteg mit stuetze
DE29707871U1 (de) * 1997-05-02 1997-06-26 J. Heuel und Söhne Aluminium-Gießerei GmbH, 59846 Sundern Dachtritteinheit
US20160108628A1 (en) * 2014-10-21 2016-04-21 Edward Rourke Aluminum roof scaffolding plank
DE102016101406A1 (de) * 2016-01-27 2017-07-27 Wilhelm Flender Gmbh & Co. Kg Dacheindeckungselement und Dacheindeckung mit einem solchen
EP3985208A1 (de) * 2020-10-15 2022-04-20 CWL Patent AB Befestigungsvorrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1534933A1 (de) * 1963-09-21 1969-08-28 Hans Gielissen Vorrichtung zur Errichtung von Arbeits-,Schutz- und Fanggeruesten an und auf Daechern
DD218133A1 (de) * 1983-10-10 1985-01-30 Metalleichtbaukombinat Werk Pl Verstellbarer laufsteg mit stuetze
DE29707871U1 (de) * 1997-05-02 1997-06-26 J. Heuel und Söhne Aluminium-Gießerei GmbH, 59846 Sundern Dachtritteinheit
US20160108628A1 (en) * 2014-10-21 2016-04-21 Edward Rourke Aluminum roof scaffolding plank
DE102016101406A1 (de) * 2016-01-27 2017-07-27 Wilhelm Flender Gmbh & Co. Kg Dacheindeckungselement und Dacheindeckung mit einem solchen
EP3985208A1 (de) * 2020-10-15 2022-04-20 CWL Patent AB Befestigungsvorrichtung

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