EP3967826A1 - Walkway system for a roof and method for installing the same - Google Patents
Walkway system for a roof and method for installing the same Download PDFInfo
- Publication number
- EP3967826A1 EP3967826A1 EP21196240.2A EP21196240A EP3967826A1 EP 3967826 A1 EP3967826 A1 EP 3967826A1 EP 21196240 A EP21196240 A EP 21196240A EP 3967826 A1 EP3967826 A1 EP 3967826A1
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- EP
- European Patent Office
- Prior art keywords
- fastening
- fastening portion
- roof
- roof structure
- walkway system
- 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.)
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000834 fixative Substances 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 3
- 239000011295 pitch Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000010141 design making Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
-
- 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
Definitions
- the invention relates to a walkway system for a roof. Furthermore, the invention also relates to a method for installing a walkway on a roof.
- a roof walkway is an access route on a roof for providing safe pedestrian access to installations and equipment on the roof.
- a walkway may be installed on horizontal roofs or on pitched or sloped roofs.
- An objective of embodiments of the invention is to provide a solution which mitigates or solves the drawbacks and problems of conventional solutions.
- a walkway system for a roof comprising
- the walkway system may be arranged for a horizontal roof and/or for a pitched or sloped roof.
- a roof structure herein may have any of a first side facing a roof ridge, a second side facing outwards from a plane of the roof, and a third side facing a roof eave or a roof projection.
- the first and second sides of the roof structure may face opposite directions.
- the walkway system according to the first aspect can easily be installed/mounted on a roof. Further, due to its general design a serial coupled walkway system comprising any number of walking treads can be provided adapted to the roof structures of the roof. The present walkway system is also more securely attached to the roof and more robust compared to conventional walkway system due its serially coupled structure.
- first fastening portion and the second fastening portion extend from the first roof structure to the second roof structure.
- first fastening portion and the second fastening portion extend in parallel to each other from the first roof structure to the second roof structure.
- the third fastening portion and the fourth fastening portion comprises at least one supporting portion configured to support the third fastening portion and/or the fourth fastening portion on a third roof structure.
- the third fastening portion is further attached to a second walking tread and the fourth fastening portion is further attached to the second walking tread.
- a walkway system with any number of walking treads can be mounted or assembled by adding additional treads and associated first, second, third and fourth fastening portions.
- the third fastening portion and the fourth fastening portion extend from the second roof structure to the third roof structure.
- the third fastening portion and the fourth fastening portion extend in parallel to each other from the second roof structure to the third roof structure.
- the third fastening portion comprises a supporting portion configured to support the third fastening portion on a third roof structure and the fourth fastening portion comprises a supporting portion configured to support the fourth fastening portion on the third roof structure.
- the walkway system further comprises
- the walkway system comprises at least one first adjustment means for adjusting an angle of the first walking tread in relation to a plane of the roof.
- the angle of the first walking tread can be adapted to different roof slopes which is also known as roof pitches. Often it is desirable that the walking tread is horizontal or close to horizontal, e.g. between 1 - 5 degrees.
- the walkway system comprises at least one second adjustment means for adjusting a length of the walkway system.
- the length of the walkway system can be adjusted or varied.
- the walkway system can easily be fastened to different types of roof structures or to roof structures with different dimensions or centre distances between its construction parts.
- the distance between battens of a roof may vary in different roof structures. Therefore, the walkway system can be used for many different roof structures. Further, mounting of the walkway system is also made easier since the length of the walkway system can be adjusted to a specific roof structure.
- the second adjustment means comprises second adjustment means for adjusting the length of the walkway system along a direction perpendicular to an extension of the first roof structure and an extension of the second roof structure.
- This case may for example be applicable when the roof structure is a batten.
- the mentioned direction may also be parallel to the plane of the roof.
- the walkway system comprises a first vertical section and a second vertical section together forming vertical side walls of the first walking tread and connecting the first walking tread to the first fastening portion, the second fastening portion, the third fastening portion and the fourth fastening portion.
- first adjustment means and/or the second adjustment means is arranged at the first vertical section and the second vertical section.
- the third fastening portion and the fourth fastening portion are attached to a front portion of the second walking tread.
- At least one of the first fastening means, the second fastening means, the third fastening means and the fourth fastening means comprises a portion for fixative means for fastening to the first roof structure or the second roof structure.
- At least one of the first fastening means, the second fastening means, the third fastening means and the fourth fastening means comprises a hook portion arranged for hooking onto the first roof structure or the second roof structure.
- the walking treads and possible other parts, such as vertical sections, attached to the fastening portions may in an efficient manner act as energy absorbing zones or deformation zones when excessive loads are applied on the walkway system.
- the deformation zones allow deformation and tearing apart at loads exceeding predetermined threshold values e.g. for the purpose of preventing inelastic pull from a falling person having a life-line fastened in a roof equipment such as a rack pipe or a holding profile.
- the deformation zones may be designed to deform when being impacted by excessive load levels corresponding to threshold levels.
- load threshold levels may conform to regulatory requirements e.g. stipulated by government authorities and/or to standard requirements in the industry.
- the first portion extends in a plane parallel to a plane of the roof, and the hook portion extends in a plane perpendicular to the plane of the roof.
- the first fastening portion, the second fastening portion, the third fastening portion and the fourth fastening portion has an elongated band shape.
- the first roof structure, the second roof structure and the third roof structure are arranged in parallel to each other in a plane of the roof and in a descending order along the slope of the roof.
- the first roof structure is a first batten
- the second roof structure is a second batten
- the third roof structure is a third batten
- the first roof structure is arranged above the second roof structure seen along the slope of the roof and the second roof structure is arranged above the third roof structure seen along the slope of the roof.
- the first roof structure is arranged closer to the ridge of the roof than the second roof structure which in turn is arranged closer to the ridge of the roof than the third roof structure.
- the method further comprises the step of: supporting the first fastening portion and the second fastening portion, respectively, on the second roof structure of the roof.
- the method can be extended so that any number of treads and associated first, second, third and fourth treads are added in additional steps for installing a walkway with any number of walking treads.
- Embodiments of the method according to the second aspect corresponds to the embodiments of the walkway system according to the first aspect.
- Fig. 1 and 2 show a walkway system 100 according to embodiments of the invention in a perspective view and in a side view, respectively.
- the walkway 100 in Fig. 1 and 2 is also shown in Fig. 3 in a view from above and in Fig. 4 in a view from below.
- a walkway system 100 at least comprises a first fastening portion 110 comprising at least one first fastening means 112 for fastening the first fastening portion 110 to a first roof structure 310a of a roof 300 and at least one first attachment means 114 for attaching the first fastening portion 110 to a first walking tread 150a.
- the walkway system 100 further comprises a second fastening portion 120 comprising at least one second fastening means 122 for fastening the second fastening portion 120 to the first roof structure 310a of the roof 300 and at least one second attachment means 124 for attaching the second fastening portion 120 to the first walking tread 150a.
- the walkway system 100 further comprises a third fastening portion 130 comprising at least one third fastening means 132 for fastening the third fastening portion 130 to a second roof structure 310b of the roof 300 and at least one third attachment means 134 for attaching the third fastening portion 130 to the first walking tread 150a.
- the walkway system 100 further comprises a fourth fastening portion 140 comprising at least one fourth fastening means 142 for fastening the fourth fastening portion 140 to the second roof structure 310b of the roof 300 and at least one fourth attachment means 144 for attaching the fourth fastening portion 140 to the first walking tread 150a.
- the first fastening portion 110 comprises a supporting portion 116 configured to support the first fastening portion 110 on a second roof structure 310b.
- the second fastening portion 120 comprises a supporting portion 126 configured to support the second fastening portion 120 on the second roof structure 310b.
- first fastening portion 110 and the second fastening portion 120 extend from the first roof structure 310a to the second roof structure 310b.
- the first fastening portion 110 and the second fastening portion 120 may in such case extend in parallel to each other from the first roof structure 310a to the second roof structure 310b as shown in Fig. 1 and 2 .
- the first fastening portion 110 and the second fastening portion 120 comprises at least one supporting portion 116, 126 (see Fig. 8 and 9 ) configured to support the first fastening portion 110 and/or the second fastening portion 120 on the second roof structure 310b.
- the third fastening portion 130 and the fourth fastening portion 140 may also comprise at least one supporting portion 136, 146 (see Fig. 8 and 9 ) configured to support the third fastening portion 130 and/or the fourth fastening portion 140 on a third roof structure 310c.
- the supporting portion may be arranged on a part of a fastening portion closest to the eaves or roof projection in operation.
- the supporting portion in contact with the roof structure may be covered with rubber or any other suitable material.
- the third fastening portion 130 and the fourth fastening portion 140 may extend from the second roof structure 310b to the third roof structure 310c and in parallel to each other from the second roof structure 310b to the third roof structure 310c.
- the first fastening portion 110 and the second fastening portion 120 are attached to a front portion 152a of the first walking tread 150a
- the third fastening portion 130 and the fourth fastening portion 140 are attached to a back portion 154a of the first walking tread 150a.
- the third fastening portion 130 and the fourth fastening portion 140 may in turn be attached to a front portion 152b of the second walking tread 150b.
- Fig. 3 and 4 show the walkway system 100 in Fig. 1 and 2 in a view from above and below.
- the present walkway system 100 may comprise any number of walking treads by adding additional walking treads and associated additional fastening portions. Thereby, a serial coupled walkway is provided.
- a walkway system 100 with any number of walking treads can be assembled and mounted on the roof 300.
- the third fastening portion 130 is further attached to a second walking tread 150b and the fourth fastening portion 140 is further attached to the second walking tread 150b, and so on.
- a serially coupled walkway system with any number of walking treads can be formed.
- Fig. 1 and 2 illustrates a walkway system 100 having a fifth fastening portion 130' comprising at least one fastening means for fastening the fifth fastening portion 130' to the third roof structure 310c of the roof 300 and at least one attachment means for attaching the fifth fastening portion 130' to a second walking tread 150b.
- the walkway system further has a sixth fastening portion 140' comprising at least one fastening means for fastening the sixth fastening portion 130' to the third roof structure 310c of the roof 300 and at least one attachment means for attaching the sixth fastening portion 140' to the second walking tread 150b.
- the walkway system 100 comprises at least one first adjustment means 162 for adjusting an angle ⁇ of the first walking tread 150a in relation to a plane of the roof 300, and/or at least one second adjustment means 164 for adjusting a length L of the walkway system 100.
- the first adjustment means 162 may comprise a pivot axle 162a, a supporting bracket 162b and a plurality of through holes 162c extending vertically in a vertical section 160a, 160b of the walking tread 150a for connecting the supporting bracket 162b to the walking tread 150a.
- the supporting bracket 162b in turn supports the walking tread 150a and connects the third 130 and fourth 140 fastening portions to the vertical sections 160a, 160b.
- the angle ⁇ of the first walking tread 150a in relation to a plane of the roof 300 can be adapted to the roof pitch.
- the surface or the plane of the walking tread can be horizontal or close to horizontal for easier access, e.g. with a deviation of 1 - 5 degrees to horizontal.
- each walking tread may be connected to its own first adjustment means 162 the angle ⁇ may be individual adjusted for each walking tread.
- the second adjustment means 164 may e.g. be an elongated slot 164a extending more or less along a length extension of the walkway system 100 in parallel to the plane of the roof 300 and in which an attachment means, in this case a bolt connection, can be locked in different continuous or discrete positions in the slot.
- the second adjustment means 164 can be configured to change the length L of the walkway system 100 by taking different continuous or discrete positions along the length extension of the walkway system 100.
- the total length L of the walkway system 100 can be varied but also the inter-distance between the different parts of the walkway system.
- the walkway system 100 easily can be mounted on roof constructions in which the distances between different roof structures varies.
- roof structures comprising battens arranged in a parallel pattern, the distance such as centre distance between the battens may also vary.
- adjusting the length L of the walkway system 100 comprises adjusting the length L along a direction perpendicular to an extension of the first roof structure 310a and an extension of the second roof structure 310b.
- This embodiment is especially suitable for roof structures comprising battens arranged in parallel to each other which may imply that the length L is adjusted in parallel to the plane of the roof 300.
- the walkway system 100 comprises a first vertical section 160a and a second vertical section 160b together forming side walls of the first walking tread 150a and connecting the first walking tread 150a to the first fastening portion 110, the second fastening portion 120, the third fastening portion 130 and the fourth fastening portion 140.
- Fig. 6 and 7 show the first vertical section 160a and the second vertical section 160b more in detail.
- the vertical sections may at its front portion comprises means for engage or receive a pivot axle 162a and at its middle or back portion plurality of through holes 162c extending vertically for engagement with a supporting bracket 162b for connection to fastening portions.
- the vertical section may include one or more supporting portions 168 for supporting the walking tread and one or more engagement portions 166 for engagement with the walking tread and securing the walking tread in a safe and correct position.
- the vertical sections may also stabilize the walkway design making the walkway more robust.
- the first adjustment means 162 and/or the second adjustment means 164 may be arranged at the first vertical section 160a and the second vertical section 160b for a very neat and compact walkway design.
- Fig. 8 and 9 show a fastening portion according to embodiments of the invention in a side view and perspective view, respectively.
- the fastening means 112, 122, 132, 142 comprises a portion 112a, 122a, 132a, 142a for fixative means for fastening to the first roof structure 310a or the second roof structure 310b.
- the portions 112a, 122a, 132a, 142a may have the shape of a flat plate extending from one side of the elongated fastening portion and configured to lay on a side of a batten facing outwards from the surface of the roof and comprising one or more receiving means e.g. in the form of through holes.
- fixative means are screws and nails which are used for fastening the fastening arrangements 100 to the battens.
- the fastening means 112, 122, 132, 142 may comprise a hook portion 112b, 122b, 132b, 142b arranged for hooking onto the first roof structure 310a or the second roof structure 310b.
- these hook portions may be configured to hook around the side of a batten facing a ridge 330 of a roof 300.
- the portion 112a, 122a, 132a, 142a extend in a plane parallel to a plane of the roof 300
- the hook portion 112b, 122b, 132b, 142b extend in a plane perpendicular to the plane of the roof 300.
- the hook portion is arranged around a side of a batten facing the ridge 330 whilst the first portion 112a is located on a side of the batten facing outwards from the surface of the roof 300.
- the fastening portions 110, 120, 130, 140 may have an elongated band shape as shown in Fig. 8 and 9 . This is also the case for the fastening portions 110, 120, 130, 140 shown in Fig. 10 and 11 .
- the band in Fig. 8 and 9 are arranged to extend in a raised position in relation to the plane of the roof in operation.
- the band in Fig. 10 and 11 are arranged to extend flat along the plane of roof in operation.
- different fastening portions suitable for different types of roof structures and roof tiles may be provided.
- slits 162d are arranged for receiving connection means and/or attachment means that may take different discreate positions in the slits 162d for adjustment of the length of the walkway system 100.
- the fastening portion in Fig. 10 has an elongated concave shape which reinforces the band structure of the fastening portion.
- the fastening portion in Fig. 10 and Fig. 11 further comprises a downward angled section 170a close to the tip so that the fastening portion easily can be arranged under and above roof tiles, e.g. without raising the roof tiles in operation.
- the back section of the fastening portion may comprise through holes 170b for receiving attachment means for a rubber protection (not shown) configured to be located below the fastening portion but above a roof tile to protect the roof tile from mechanical damage and reducing possible noise generated by such contact.
- the fastening portion in Fig. 11 has an elongated flat shape, i.e. is not concave.
- the fastening portion in Fig. 11 instead comprises a reinforcement portion 170c in the form of an elongated inverted raised groove arranged in the middle section of the band and protruding outwards from the plane of the roof.
- the tip of the fastening portion in Fig. 11 has a cut out 170d such that the band tip at the very top has a smaller width than the general width of the band contrary to the band in Fig. 10 which only has one width.
- the larger width forms the width of the band in Fig. 11 except at the cut out and forward to the very tip and hook portion.
- the fastening portion may be attached to a walking tread by means of a vertical attachment section extending outwards from the band and comprising the attachment means 114, 124, 134, 144 for attachment directly or indirectly to a walking tread.
- the walking tread may be attached vertically to the fastening portions which also is shown in the embodiments of Figs. 1 - 2 and 5.
- Fig. 12 illustrates and defines a front portion 152a, 152b and a back portion 154a, 154b of a walking tread 150a, 150b.
- the front portion 152a, 152b may also be denoted a first portion of a walking tread and being arranged closest to the plane or surface of the roof in operation.
- the back portion 154a, 154b may also be denoted a second portion of a walking tread and being arranged furthest away from the plane or surface of the roof in operation.
- the walkway tread 150a, 150b may comprise a pattern of partially raised holes for providing high friction and grip for the pedestrian walking on the walkway as shown in Fig. 12 .
- the walkway system 100 may in embodiments be combined with handrails for safer pedestrian access to different parts of a roof 300.
- the walkway system 100 may comprise one or more handrail attachment means (not shown in the Figs.) for attaching such handrails.
- the handrail attachment means may e.g. be arranged on the fastening portions 110, 120 130, 140 and/or on the vertical sections 160a, 160b.
- the first roof structures are arranged in parallel to each other in a plane of the roof 300 and in a descending order along the slope S or pitch of the roof 300 as illustrated in Fig. 13 .
- the roof 300 may hence comprise a roof ridge 330 and a roof eave 320 or a roof projection.
- Embodiments of the invention also relates to a method for installing a walkway system on a roof.
- Fig. 14 shows a flow chart of a method according to the invention.
- the method 400 comprises the steps of:
- the method further comprises the step of supporting the first fastening portion 110 and the second fastening portion 120, respectively, on the second roof structure 310b of the roof 300. This optional step may be performed together with step 402.
- Further embodiments of the method 400 involve adding additional fastening portions and additional walking treads for assembly and mounting of a walkway with any number of walking treads. Hence, any number of additional steps as previously stated may be added for such walkways.
- the method 400 may further include any embodiments of the walkway systems per se, such as the configuration, design and construction of every portion, section and part together forming the walkway system herein disclosed.
- the fastening portions may have supporting portions and/or being band shaped, etc.; the fastening portions may be connected to walking treads via vertical sections; the walkway system may comprise first and/or second adjustment means for adjusting angle ⁇ and length L; etc.
- the walkway system 100 may be produced from sheet metal bent in suitable shapes. Hence, sheet metal may be punched in different shapes and thereafter bent or folded for producing the different parts of the walkway system 100 according to embodiments of the invention.
- in operation herein may be understood as how different parts are arranged and/or located in relation to each other and/or to different parts of a roof when mounted in use.
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Abstract
Description
- The invention relates to a walkway system for a roof. Furthermore, the invention also relates to a method for installing a walkway on a roof.
- A roof walkway is an access route on a roof for providing safe pedestrian access to installations and equipment on the roof. A walkway may be installed on horizontal roofs or on pitched or sloped roofs. A number of different walkway designs exist on the market. Commonly, a walkway comprises a plurality of walking treads and one or more fastening means for fastening the walkway onto a roof.
- An objective of embodiments of the invention is to provide a solution which mitigates or solves the drawbacks and problems of conventional solutions.
- The above and further objectives are solved by the subject matter of the independent claims. Further advantageous embodiments of the invention can be found in the dependent claims.
- According to a first aspect of the invention, the above mentioned and other objectives are achieved with a walkway system for a roof, the walkway system comprising
- a first fastening portion comprising at least one first fastening means for fastening the first fastening portion to a first roof structure of a roof and at least one first attachment means for attaching the first fastening portion to a first walking tread, wherein the first fastening portion further comprises a supporting portion configured to support the first fastening portion on a second roof structure;
- a second fastening portion comprising at least one second fastening means for fastening the second fastening portion to the first roof structure of the roof and at least one second attachment means for attaching the second fastening portion to the first walking tread, wherein the second fastening portion further comprises a supporting portion configured to support the second fastening portion on the second roof structure;
- a third fastening portion comprising at least one third fastening means for fastening the third fastening portion to a second roof structure of the roof and at least one third attachment means for attaching the third fastening portion to the first walking tread; and
- a fourth fastening portion comprising at least one fourth fastening means for fastening the fourth fastening portion to the second roof structure of the roof and at least one fourth attachment means for attaching the fourth fastening portion to the first walking tread.
- The walkway system may be arranged for a horizontal roof and/or for a pitched or sloped roof.
- A roof structure herein may have any of a first side facing a roof ridge, a second side facing outwards from a plane of the roof, and a third side facing a roof eave or a roof projection. The first and second sides of the roof structure may face opposite directions.
- The walkway system according to the first aspect can easily be installed/mounted on a roof. Further, due to its general design a serial coupled walkway system comprising any number of walking treads can be provided adapted to the roof structures of the roof. The present walkway system is also more securely attached to the roof and more robust compared to conventional walkway system due its serially coupled structure.
- In an embodiment of a walkway system according to the first aspect, the first fastening portion and the second fastening portion extend from the first roof structure to the second roof structure.
- Thereby, a more secure and robust fastening is provided.
- In an embodiment of a walkway system according to the first aspect, the first fastening portion and the second fastening portion extend in parallel to each other from the first roof structure to the second roof structure.
- In an embodiment of a walkway system according to the first aspect, the third fastening portion and the fourth fastening portion comprises at least one supporting portion configured to support the third fastening portion and/or the fourth fastening portion on a third roof structure.
- Thereby, a more secure and robust fastening is provided.
- In an embodiment of a walkway system according to the first aspect, the third fastening portion is further attached to a second walking tread and the fourth fastening portion is further attached to the second walking tread.
- Thereby, a walkway system with any number of walking treads can be mounted or assembled by adding additional treads and associated first, second, third and fourth fastening portions.
- In an embodiment of a walkway system according to the first aspect, the third fastening portion and the fourth fastening portion extend from the second roof structure to the third roof structure.
- Thereby, a more robust fastening is provided.
- In an embodiment of a walkway system according to the first aspect, the third fastening portion and the fourth fastening portion extend in parallel to each other from the second roof structure to the third roof structure.
- In an embodiment of a walkway system according to the first aspect, the third fastening portion comprises a supporting portion configured to support the third fastening portion on a third roof structure and the fourth fastening portion comprises a supporting portion configured to support the fourth fastening portion on the third roof structure.
- In an embodiment of a walkway system according to the first aspect, the walkway system further comprises
- a fifth fastening portion comprising at least one fastening means for fastening the fifth fastening portion to the third roof structure of the roof and at least one attachment means for attaching the fifth fastening portion to a second walking tread; and
- a sixth fastening portion comprising at least one fastening means for fastening the sixth fastening portion to the third roof structure of the roof and at least one attachment means for attaching the sixth fastening portion to the second walking tread.
- By adding further fastening portions and walking treads a serially coupled walkway system with any number of walking treads can be formed having the advantage properties of the invention.
- In an embodiment of a walkway system according to the first aspect,
- the first fastening portion and the second fastening portion are attached to a front portion of the first walking tread; and
- the third fastening portion and the fourth fastening portion are attached to a back portion of the first walking tread.
- In an embodiment of a walkway system according to the first aspect, the walkway system comprises
at least one first adjustment means for adjusting an angle of the first walking tread in relation to a plane of the roof. - Thereby, the angle of the first walking tread can be adapted to different roof slopes which is also known as roof pitches. Often it is desirable that the walking tread is horizontal or close to horizontal, e.g. between 1 - 5 degrees.
- In an embodiment of a walkway system according to the first aspect, the walkway system comprises
at least one second adjustment means for adjusting a length of the walkway system. - Thereby, the length of the walkway system can be adjusted or varied. Hence, the walkway system can easily be fastened to different types of roof structures or to roof structures with different dimensions or centre distances between its construction parts. For example, the distance between battens of a roof may vary in different roof structures. Therefore, the walkway system can be used for many different roof structures. Further, mounting of the walkway system is also made easier since the length of the walkway system can be adjusted to a specific roof structure.
- In an embodiment of a fastening arrangement according to the first aspect, the second adjustment means comprises second adjustment means for adjusting the length of the walkway system along a direction perpendicular to an extension of the first roof structure and an extension of the second roof structure.
- This case may for example be applicable when the roof structure is a batten. The mentioned direction may also be parallel to the plane of the roof.
- In an embodiment of a walkway system according to the first aspect, the walkway system comprises
a first vertical section and a second vertical section together forming vertical side walls of the first walking tread and connecting the first walking tread to the first fastening portion, the second fastening portion, the third fastening portion and the fourth fastening portion. - In an embodiment of a walkway system according to the first aspect, wherein the first adjustment means and/or the second adjustment means is arranged at the first vertical section and the second vertical section.
- In an embodiment of a walkway system according to the first aspect,
the third fastening portion and the fourth fastening portion are attached to a front portion of the second walking tread. - In an embodiment of a walkway system according to the first aspect, at least one of the first fastening means, the second fastening means, the third fastening means and the fourth fastening means comprises a portion for fixative means for fastening to the first roof structure or the second roof structure.
- Thereby, a secure and robust fastening of the walkway system to the roof structures of the roof is provided.
- In an embodiment of a walkway system according to the first aspect, at least one of the first fastening means, the second fastening means, the third fastening means and the fourth fastening means comprises a hook portion arranged for hooking onto the first roof structure or the second roof structure.
- Thereby, even more secure and robust fastening of the walkway system to the roof structures of the roof is provided.
- It should be noted that if the fastening portions of the walkway system is very securely anchored to the roof structures, the walking treads and possible other parts, such as vertical sections, attached to the fastening portions may in an efficient manner act as energy absorbing zones or deformation zones when excessive loads are applied on the walkway system. The deformation zones allow deformation and tearing apart at loads exceeding predetermined threshold values e.g. for the purpose of preventing inelastic pull from a falling person having a life-line fastened in a roof equipment such as a rack pipe or a holding profile. Generally, the deformation zones may be designed to deform when being impacted by excessive load levels corresponding to threshold levels. Such load threshold levels may conform to regulatory requirements e.g. stipulated by government authorities and/or to standard requirements in the industry.
- In an embodiment of a walkway system according to the first aspect, the first portion extends in a plane parallel to a plane of the roof, and the hook portion extends in a plane perpendicular to the plane of the roof.
- In an embodiment of a walkway system according to the first aspect, the first fastening portion, the second fastening portion, the third fastening portion and the fourth fastening portion has an elongated band shape.
- Thereby, mounting the walkway system on a roof can be made easier e.g. for roofs covered with roof tiles. Further, with band shaped fastening portions the problem with raised roof tiles is reduced or minimized.
- In an embodiment of a walkway system according to the first aspect, the first roof structure, the second roof structure and the third roof structure are arranged in parallel to each other in a plane of the roof and in a descending order along the slope of the roof.
- In an embodiment of a fastening arrangement according to the first aspect, the first roof structure is a first batten, the second roof structure is a second batten, the third roof structure is a third batten.
- Hence, the first roof structure is arranged above the second roof structure seen along the slope of the roof and the second roof structure is arranged above the third roof structure seen along the slope of the roof. This may also be understood as that the first roof structure is arranged closer to the ridge of the roof than the second roof structure which in turn is arranged closer to the ridge of the roof than the third roof structure.
- According to a second aspect of the invention, the above mentioned and other objectives are achieved with a method for installing a walkway system on a roof, the method comprising
- fastening a first fastening portion and a second fastening portion, respectively, to a first roof structure of a roof;
- fastening a third fastening portion and a fourth fastening portion, respectively, to a second roof structure of the roof;
- attaching the first fastening portion and the second fastening portion to a front portion of a first walking tread;
- attaching the third fastening portion and the fourth fastening portion to a back portion of the first walking tread; and
- attaching the third fastening portion and the fourth fastening portion to a front portion of a second walking tread.
- In an embodiment of the method, the method further comprises the step of:
supporting the first fastening portion and the second fastening portion, respectively, on the second roof structure of the roof. - The method can be extended so that any number of treads and associated first, second, third and fourth treads are added in additional steps for installing a walkway with any number of walking treads.
- Embodiments of the method according to the second aspect, mutatis mutandis, corresponds to the embodiments of the walkway system according to the first aspect.
- Further applications and advantages of the embodiments of the invention will be apparent from the following detailed description.
- The appended drawings are intended to clarify and explain different embodiments of the invention, in which:
-
Fig. 1 shows a walkway in a perspective view according to an embodiment the invention; -
Fig. 2 shows the walkway inFig. 1 in a side view; -
Fig. 3 shows the walkway inFig. 1 in a view from above; -
Fig. 4 shows the walkway inFig. 1 in a view from below; -
Fig. 5 illustrates the angle of a tread in relation to a plane of a roof; -
Fig. 6 shows a vertical section in a side view; -
Fig. 7 shows the vertical section in a perspective view; -
Fig. 8 and 9 show a fastening portion according to an embodiment of the invention in a side view and a perspective view; -
Fig. 10 and 11 show a fastening portion according to an embodiment of the invention in a side view and a perspective view; -
Fig. 12 shows an enlarge detailed view of a tread; -
Fig. 13 shows a flow chart of a method according to an embodiment of the invention; and -
Fig. 14 illustrates a house with a roof. -
Fig. 1 and 2 show awalkway system 100 according to embodiments of the invention in a perspective view and in a side view, respectively. Thewalkway 100 inFig. 1 and 2 is also shown inFig. 3 in a view from above and inFig. 4 in a view from below. - With reference to
Fig. 1 and 2 awalkway system 100 according to embodiments of the invention at least comprises afirst fastening portion 110 comprising at least one first fastening means 112 for fastening thefirst fastening portion 110 to afirst roof structure 310a of aroof 300 and at least one first attachment means 114 for attaching thefirst fastening portion 110 to afirst walking tread 150a. Thewalkway system 100 further comprises asecond fastening portion 120 comprising at least one second fastening means 122 for fastening thesecond fastening portion 120 to thefirst roof structure 310a of theroof 300 and at least one second attachment means 124 for attaching thesecond fastening portion 120 to thefirst walking tread 150a. Thewalkway system 100 further comprises athird fastening portion 130 comprising at least one third fastening means 132 for fastening thethird fastening portion 130 to asecond roof structure 310b of theroof 300 and at least one third attachment means 134 for attaching thethird fastening portion 130 to thefirst walking tread 150a. Thewalkway system 100 further comprises afourth fastening portion 140 comprising at least one fourth fastening means 142 for fastening thefourth fastening portion 140 to thesecond roof structure 310b of theroof 300 and at least one fourth attachment means 144 for attaching thefourth fastening portion 140 to thefirst walking tread 150a. Thefirst fastening portion 110 comprises a supporting portion 116 configured to support thefirst fastening portion 110 on asecond roof structure 310b. Thesecond fastening portion 120 comprises a supporting portion 126 configured to support thesecond fastening portion 120 on thesecond roof structure 310b. - In embodiments of the invention, the
first fastening portion 110 and thesecond fastening portion 120 extend from thefirst roof structure 310a to thesecond roof structure 310b. Thefirst fastening portion 110 and thesecond fastening portion 120 may in such case extend in parallel to each other from thefirst roof structure 310a to thesecond roof structure 310b as shown inFig. 1 and 2 . - In further embodiments of the invention, the
first fastening portion 110 and thesecond fastening portion 120 comprises at least one supporting portion 116, 126 (seeFig. 8 and 9 ) configured to support thefirst fastening portion 110 and/or thesecond fastening portion 120 on thesecond roof structure 310b. Hence, thethird fastening portion 130 and thefourth fastening portion 140 may also comprise at least one supporting portion 136, 146 (seeFig. 8 and 9 ) configured to support thethird fastening portion 130 and/or thefourth fastening portion 140 on athird roof structure 310c. The supporting portion may be arranged on a part of a fastening portion closest to the eaves or roof projection in operation. The supporting portion in contact with the roof structure may be covered with rubber or any other suitable material. Thus, mechanical damage on the roof tile is reduced and also undesired noise generated by the mechanical contact between the supporting portion and the roof tile can be reduced. - It is further noted from
Fig. 1 and 2 that thethird fastening portion 130 and thefourth fastening portion 140 may extend from thesecond roof structure 310b to thethird roof structure 310c and in parallel to each other from thesecond roof structure 310b to thethird roof structure 310c. - In embodiments of the invention, the
first fastening portion 110 and thesecond fastening portion 120 are attached to afront portion 152a of thefirst walking tread 150a, and thethird fastening portion 130 and thefourth fastening portion 140 are attached to aback portion 154a of thefirst walking tread 150a. This also implies that thethird fastening portion 130 and thefourth fastening portion 140 may in turn be attached to afront portion 152b of thesecond walking tread 150b. - Furthermore,
Fig. 3 and 4 show thewalkway system 100 inFig. 1 and 2 in a view from above and below. In this exemplary case three walking treads are illustrated. However, thepresent walkway system 100 may comprise any number of walking treads by adding additional walking treads and associated additional fastening portions. Thereby, a serial coupled walkway is provided. Hence, with the present solution awalkway system 100 with any number of walking treads can be assembled and mounted on theroof 300. - Therefore, in embodiments of the invention the
third fastening portion 130 is further attached to asecond walking tread 150b and thefourth fastening portion 140 is further attached to thesecond walking tread 150b, and so on. By adding further fastening portions and walking treads a serially coupled walkway system with any number of walking treads can be formed. A nonlimiting example is shown inFig. 1 and 2 which illustrates awalkway system 100 having a fifth fastening portion 130' comprising at least one fastening means for fastening the fifth fastening portion 130' to thethird roof structure 310c of theroof 300 and at least one attachment means for attaching the fifth fastening portion 130' to asecond walking tread 150b. The walkway system further has a sixth fastening portion 140' comprising at least one fastening means for fastening the sixth fastening portion 130' to thethird roof structure 310c of theroof 300 and at least one attachment means for attaching the sixth fastening portion 140' to thesecond walking tread 150b. - In further embodiments of the invention, the
walkway system 100 comprises at least one first adjustment means 162 for adjusting an angle α of thefirst walking tread 150a in relation to a plane of theroof 300, and/or at least one second adjustment means 164 for adjusting a length L of thewalkway system 100. - As disclosed in
Fig. 5 , the first adjustment means 162 may comprise apivot axle 162a, a supportingbracket 162b and a plurality of throughholes 162c extending vertically in avertical section tread 150a for connecting the supportingbracket 162b to thewalking tread 150a. The supportingbracket 162b in turn supports the walkingtread 150a and connects the third 130 and fourth 140 fastening portions to thevertical sections vertical sections pivot axle 162a and the supportingbracket 162b may be connected to the back portions of thevertical sections holes 162c, the angle α of thefirst walking tread 150a in relation to a plane of theroof 300 can be adapted to the roof pitch. Hence, e.g. the surface or the plane of the walking tread can be horizontal or close to horizontal for easier access, e.g. with a deviation of 1 - 5 degrees to horizontal. Since each walking tread may be connected to its own first adjustment means 162 the angle α may be individual adjusted for each walking tread. - As also disclosed in
Fig. 5 , the second adjustment means 164 may e.g. be anelongated slot 164a extending more or less along a length extension of thewalkway system 100 in parallel to the plane of theroof 300 and in which an attachment means, in this case a bolt connection, can be locked in different continuous or discrete positions in the slot. Hence, the second adjustment means 164 can be configured to change the length L of thewalkway system 100 by taking different continuous or discrete positions along the length extension of thewalkway system 100. Thereby, the total length L of thewalkway system 100 can be varied but also the inter-distance between the different parts of the walkway system. This implies that thewalkway system 100 easily can be mounted on roof constructions in which the distances between different roof structures varies. For example, roof structures comprising battens arranged in a parallel pattern, the distance such as centre distance between the battens may also vary. - In further embodiments of the invention, adjusting the length L of the
walkway system 100 comprises adjusting the length L along a direction perpendicular to an extension of thefirst roof structure 310a and an extension of thesecond roof structure 310b. This embodiment is especially suitable for roof structures comprising battens arranged in parallel to each other which may imply that the length L is adjusted in parallel to the plane of theroof 300. - As previously mentioned, in embodiments of the invention, the
walkway system 100 comprises a firstvertical section 160a and a secondvertical section 160b together forming side walls of thefirst walking tread 150a and connecting thefirst walking tread 150a to thefirst fastening portion 110, thesecond fastening portion 120, thethird fastening portion 130 and thefourth fastening portion 140.Fig. 6 and 7 show the firstvertical section 160a and the secondvertical section 160b more in detail. Aforementioned, the vertical sections may at its front portion comprises means for engage or receive apivot axle 162a and at its middle or back portion plurality of throughholes 162c extending vertically for engagement with a supportingbracket 162b for connection to fastening portions. For attachment to a walking tread the vertical section may include one or more supportingportions 168 for supporting the walking tread and one ormore engagement portions 166 for engagement with the walking tread and securing the walking tread in a safe and correct position. The vertical sections may also stabilize the walkway design making the walkway more robust. As also noted fromFigs. 5 - 7 the first adjustment means 162 and/or the second adjustment means 164 may be arranged at the firstvertical section 160a and the secondvertical section 160b for a very neat and compact walkway design. -
Fig. 8 and 9 show a fastening portion according to embodiments of the invention in a side view and perspective view, respectively. As disclosed, the fastening means 112, 122, 132, 142 comprises aportion first roof structure 310a or thesecond roof structure 310b. In the examples shown theportions fastening arrangements 100 to the battens. - From
Fig. 8 and 9 it is further noted that for even more secure fastening the fastening means 112, 122, 132, 142 may comprise ahook portion first roof structure 310a or thesecond roof structure 310b. For example, these hook portions may be configured to hook around the side of a batten facing aridge 330 of aroof 300. In embodiments of the invention, theportion roof 300, and thehook portion roof 300. Hence, they are perpendicularly arranged in relation to each other. In the disclosed examples the hook portion is arranged around a side of a batten facing theridge 330 whilst thefirst portion 112a is located on a side of the batten facing outwards from the surface of theroof 300. This solution provides an even more robust and secure anchoring of thewalkway system 100 to the roof. - Moreover, the
fastening portions Fig. 8 and 9 . This is also the case for thefastening portions Fig. 10 and 11 . However, it should be noted that the band inFig. 8 and 9 are arranged to extend in a raised position in relation to the plane of the roof in operation. The band inFig. 10 and 11 however are arranged to extend flat along the plane of roof in operation. Thereby, different fastening portions suitable for different types of roof structures and roof tiles may be provided. It may also be noted that thefastening portions Fig. 8 comprises an elongated slot with a plurality ofslits 162d extending downwards from the slot. Theseslits 162d are arranged for receiving connection means and/or attachment means that may take different discreate positions in theslits 162d for adjustment of the length of thewalkway system 100. - The fastening portion in
Fig. 10 has an elongated concave shape which reinforces the band structure of the fastening portion. The fastening portion inFig. 10 and Fig. 11 further comprises a downward angledsection 170a close to the tip so that the fastening portion easily can be arranged under and above roof tiles, e.g. without raising the roof tiles in operation. As further noted fromFig. 10 and 11 the back section of the fastening portion may comprise throughholes 170b for receiving attachment means for a rubber protection (not shown) configured to be located below the fastening portion but above a roof tile to protect the roof tile from mechanical damage and reducing possible noise generated by such contact. - Contrary to the fastening portion in
Fig. 10 , the fastening portion inFig. 11 has an elongated flat shape, i.e. is not concave. For reinforcement the fastening portion inFig. 11 instead comprises areinforcement portion 170c in the form of an elongated inverted raised groove arranged in the middle section of the band and protruding outwards from the plane of the roof. Further, the tip of the fastening portion inFig. 11 has a cut out 170d such that the band tip at the very top has a smaller width than the general width of the band contrary to the band inFig. 10 which only has one width. The larger width forms the width of the band inFig. 11 except at the cut out and forward to the very tip and hook portion. With this solution the band can be made wider except at its tip for a strong design but still easily be fitted under a roof tile. - Furthermore, in embodiments of the invention as shown in
Fig. 10 and 11 , the fastening portion may be attached to a walking tread by means of a vertical attachment section extending outwards from the band and comprising the attachment means 114, 124, 134, 144 for attachment directly or indirectly to a walking tread. Hence, the walking tread may be attached vertically to the fastening portions which also is shown in the embodiments ofFigs. 1 - 2 and 5. -
Fig. 12 illustrates and defines afront portion back portion walking tread front portion back portion walkway tread Fig. 12 . - Moreover, the
walkway system 100 may in embodiments be combined with handrails for safer pedestrian access to different parts of aroof 300. In this respect, thewalkway system 100 may comprise one or more handrail attachment means (not shown in the Figs.) for attaching such handrails. The handrail attachment means may e.g. be arranged on thefastening portions vertical sections - In embodiments of the invention, the first roof structures are arranged in parallel to each other in a plane of the
roof 300 and in a descending order along the slope S or pitch of theroof 300 as illustrated inFig. 13 . Theroof 300 may hence comprise aroof ridge 330 and aroof eave 320 or a roof projection. - Embodiments of the invention also relates to a method for installing a walkway system on a roof.
Fig. 14 shows a flow chart of a method according to the invention. Themethod 400 comprises the steps of: - fastening 402 a
first fastening portion 110 and asecond fastening portion 120, respectively, to afirst roof structure 310a of aroof 300; - fastening 404 a
third fastening portion 130 and afourth fastening portion 140, respectively, to asecond roof structure 310b of theroof 300; - attaching 406 the
first fastening portion 110 and thesecond fastening portion 120 to afront portion 152a of afirst walking tread 150a; - attaching 408 the
third fastening portion 130 and thefourth fastening portion 140 to aback portion 154a of thefirst walking tread 150a; and - attaching 410 the
third fastening portion 130 and thefourth fastening portion 140 to afront portion 152b of asecond walking tread 150b. - In an embodiment of the method, the method further comprises the step of supporting the
first fastening portion 110 and thesecond fastening portion 120, respectively, on thesecond roof structure 310b of theroof 300. This optional step may be performed together withstep 402. - Further embodiments of the
method 400 involve adding additional fastening portions and additional walking treads for assembly and mounting of a walkway with any number of walking treads. Hence, any number of additional steps as previously stated may be added for such walkways. - The
method 400 may further include any embodiments of the walkway systems per se, such as the configuration, design and construction of every portion, section and part together forming the walkway system herein disclosed. For example, the fastening portions may have supporting portions and/or being band shaped, etc.; the fastening portions may be connected to walking treads via vertical sections; the walkway system may comprise first and/or second adjustment means for adjusting angle α and length L; etc. - The
walkway system 100 may be produced from sheet metal bent in suitable shapes. Hence, sheet metal may be punched in different shapes and thereafter bent or folded for producing the different parts of thewalkway system 100 according to embodiments of the invention. - The expression "in operation" herein may be understood as how different parts are arranged and/or located in relation to each other and/or to different parts of a roof when mounted in use.
- Finally, it should be understood that the invention is not limited to the embodiments described above, but also relates to and incorporates all embodiments within the scope of the appended independent claims.
Claims (14)
- A walkway system (100) for a roof (300), the walkway system (100) comprisinga first fastening portion (110) comprising at least one first fastening means (112) for fastening the first fastening portion (110) to a first roof structure (310a) of a roof (300) and at least one first attachment means (114) for attaching the first fastening portion (110) to a first walking tread (150a), wherein the first fastening portion (110) further comprises a supporting portion (116) configured to support the first fastening portion (110) on a second roof structure (310b) ;a second fastening portion (120) comprising at least one second fastening means (122) for fastening the second fastening portion (120) to the first roof structure (310a) of the roof (300) and at least one second attachment means (124) for attaching the second fastening portion (120) to the first walking tread (150a), wherein the second fastening portion (120) further comprises a supporting portion (126) configured to support the second fastening portion (120) on the second roof structure (310b);a third fastening portion (130) comprising at least one third fastening means (132) for fastening the third fastening portion (130) to the second roof structure (310b) of the roof (300) and at least one third attachment means (134) for attaching the third fastening portion (130) to the first walking tread (150a); anda fourth fastening portion (140) comprising at least one fourth fastening means (142) for fastening the fourth fastening portion (140) to the second roof structure (310b) of the roof (300) and at least one fourth attachment means (144) for attaching the fourth fastening portion (140) to the first walking tread (150a).
- The walkway system (100) according to claim 1, wherein the first fastening portion (110) and the second fastening portion (120) extend from the first roof structure (310a) to the second roof structure (310b).
- The walkway system (100) according to claim 1 or 2, wherein the third fastening portion (130) is further attached to a second walking tread (150b) and the fourth fastening portion (140) is further attached to the second walking tread (150b).
- The walkway system (100) according to any one of the preceding claims, wherein the third fastening portion (130) comprises a supporting portion (136) configured to support the third fastening portion (130) on a third roof structure (310c) and the fourth fastening portion (140) comprises a supporting portion (146) configured to support the fourth fastening portion (140) on the third roof structure (310c).
- The walkway system (100) according to claim 4, further comprisinga fifth fastening portion (130') comprising at least one fastening means for fastening the fifth fastening portion (130') to the third roof structure (310c) of the roof (300) and at least one attachment means for attaching the fifth fastening portion (130') to a second walking tread (150b); anda sixth fastening portion (140') comprising at least one fastening means for fastening the sixth fastening portion (130') to the third roof structure (310c) of the roof (300) and at least one attachment means for attaching the sixth fastening portion (140') to the second walking tread (150b).
- The walkway system (100) according to any one of the preceding claims, whereinthe first fastening portion (110) and the second fastening portion (120) are attached to a front portion (152a) of the first walking tread (150a); andthe third fastening portion (130) and the fourth fastening portion (140) are attached to a back portion (154a) of the first walking tread (150a).
- The walkway system (100) according to any one of the preceding claims, comprising
at least one first adjustment means (162) for adjusting an angle (α) of the first walking tread (150a) in relation to a plane of the roof (300). - The walkway system (100) according to any one of the preceding claims, comprising
at least one second adjustment means (164) for adjusting a length (L) of the walkway system (100). - The walkway system (100) according to any one of the preceding claims, comprising
a first vertical section (160a) and a second vertical section (160b) together forming vertical side walls of the first walking tread (150a) and connecting the first walking tread (150a) to the first fastening portion (110), the second fastening portion (120), the third fastening portion (130) and the fourth fastening portion (140). - The walkway system (100) according to claim 9 when dependent on claim 7 or 8, wherein the first adjustment means (162) and/or the second adjustment means (164) is arranged at the first vertical section (160a) and the second vertical section (160b).
- The walkway system (100) according to any one of the preceding claims, wherein at least one of the first fastening means (112), the second fastening means (122), the third fastening means (132) and the fourth fastening means (142) comprises a portion (112a, 122a, 132a, 142a) for fixative means for fastening to the first roof structure (310a) or the second roof structure (310b).
- The walkway system (100) according to any one of the preceding claims, wherein at least one of the first fastening means (112), the second fastening means (122), the third fastening means (132) and the fourth fastening means (142) comprises a hook portion (112b, 122b, 132b, 142b) arranged for hooking onto the first roof structure (310a) or the second roof structure (310b).
- The walkway system (100) according to any one of the preceding claims, wherein the first roof structure (310a), the second roof structure (310b) and the third roof structure (310c) are arranged in parallel to each other in a plane of the roof (300) and in a descending order along the slope (S) of the roof (300).
- A method (400) for installing a walkway system on a roof (300), the method (400) comprisingfastening (402) a first fastening portion (110) and a second fastening portion (120), respectively, to a first roof structure (310a) of a roof (300);fastening (404) a third fastening portion (130) and a fourth fastening portion (140), respectively, to a second roof structure (310b) of the roof (300);attaching (406) the first fastening portion (110) and the second fastening portion (120) to a front portion (152a) of a first walking tread (150a);attaching (408) the third fastening portion (130) and the fourth fastening portion (140) to a back portion (154a) of the first walking tread (150a); andattaching (410) the third fastening portion (130) and the fourth fastening portion (140) to a front portion (152b) of a second walking tread (150b).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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SE2051072 | 2020-09-14 |
Publications (1)
Publication Number | Publication Date |
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EP3967826A1 true EP3967826A1 (en) | 2022-03-16 |
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ID=77738977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP21196240.2A Pending EP3967826A1 (en) | 2020-09-14 | 2021-09-13 | Walkway system for a roof and method for installing the same |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1943228A (en) * | 1933-04-25 | 1934-01-09 | Niels I Pearson | Roof bracket |
DE29613772U1 (en) * | 1996-08-08 | 1997-03-20 | Schorb, Reinhold, 85368 Wang | Removable aluminum mounting frame with railings for use on roofs with any roof pitch |
AU2002233059B2 (en) * | 2001-03-05 | 2007-12-06 | Brunsen Pty. Ltd. | Roof scaffold bracket |
-
2021
- 2021-09-13 EP EP21196240.2A patent/EP3967826A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1943228A (en) * | 1933-04-25 | 1934-01-09 | Niels I Pearson | Roof bracket |
DE29613772U1 (en) * | 1996-08-08 | 1997-03-20 | Schorb, Reinhold, 85368 Wang | Removable aluminum mounting frame with railings for use on roofs with any roof pitch |
AU2002233059B2 (en) * | 2001-03-05 | 2007-12-06 | Brunsen Pty. Ltd. | Roof scaffold bracket |
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