EP4532865B1 - Kederdachsystem - Google Patents

Kederdachsystem

Info

Publication number
EP4532865B1
EP4532865B1 EP23729686.8A EP23729686A EP4532865B1 EP 4532865 B1 EP4532865 B1 EP 4532865B1 EP 23729686 A EP23729686 A EP 23729686A EP 4532865 B1 EP4532865 B1 EP 4532865B1
Authority
EP
European Patent Office
Prior art keywords
keder
elongated rail
tarpaulin
rope
rail structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP23729686.8A
Other languages
English (en)
French (fr)
Other versions
EP4532865C0 (de
EP4532865A1 (de
Inventor
Harry Wallther
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.)
PlusEight Technology AB
Original Assignee
PlusEight Technology 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 PlusEight Technology AB filed Critical PlusEight Technology AB
Publication of EP4532865A1 publication Critical patent/EP4532865A1/de
Application granted granted Critical
Publication of EP4532865B1 publication Critical patent/EP4532865B1/de
Publication of EP4532865C0 publication Critical patent/EP4532865C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/28—Safety or protective measures preventing damage to building parts or finishing work during construction against unfavourable weather influence
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/64—Tent or canopy cover fastenings
    • E04H15/642—Tent or canopy cover fastenings with covers held by elongated fixing members locking in longitudinal recesses of a 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
    • E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/242—Safety or protective measures preventing damage to building parts or finishing work during construction for temporarily covering the whole worksite, e.g. building, trench
    • 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
    • E04G5/12—Canopies
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/64—Tent or canopy cover fastenings
    • E04H15/642—Tent or canopy cover fastenings with covers held by elongated fixing members locking in longitudinal recesses of a frame
    • E04H15/644—Tent or canopy cover fastenings with covers held by elongated fixing members locking in longitudinal recesses of a frame the fixing members being a beading
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/08—Vaulted roofs
    • E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
    • 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
    • E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G2021/248—Tarpaulins specially adapted therefor

Definitions

  • the present disclosure relates to keder roof system, as well as a method for assembling a keder roof system.
  • the keder rood system is for example suitable for temporary installations, but may alternatively be used for buildings that are more permanent.
  • the keder roof system is for example suitable as weather protection.
  • the keder roof system is not restricted to this use, but may equally be used for other purposes, such as side wall, privacy protection, or the like.
  • Keder is attached to fabric to create a continuous sealed connection between fabric and frame. Keder is used in a variety of applications including both permanent & semi-permanent tents & structures.
  • Keder roof systems are known in the prior art. These known keder roof systems typically has specially designed roof support beams with integrated keder groove for enabling installation of a tarpaulin stretching between two neighbouring support beams.
  • a keder roof system comprises a sheet fabric or tarpaulin having a keder chord attached thereto a side edge of a fabric, and a keder groove may be provided in a support beam. Upon inserting the keder chord into the keder groove, a continuous sealed connection between fabric and support beam is accomplished. Keder is used in a variety of applications including both permanent & semi-permanent tents & structures.
  • the tarpaulin typically includes a pocket into which a laterally extending elongated pole or similar type of elongated rigid member may be inserted prior to mounting of the tarpaulin.
  • a pull rope is then fastened to the pole, which acts a force transmitting member between the pull rope and the tarpaulin during mounting of the tarpaulin on the roof support beams.
  • the keder roof assembly staff generally climbs up on the keder roof for dismounting the pole from the keder roof for ensuring that the pole does not accidentally fall down during subsequent use of the keder roof.
  • a keder roof system with elongated rail structures and a tarpaulin is known from JP 2 987320 B2 .
  • keder roof systems One particular problem with the prior art keder roof systems is the need for a dedicated roof support beam having the required keder groove. Hence, even if a user already has access to a conventional roof support beam without keder groove, such as a lattice girder, the user must nevertheless obtain another roof support beam having said keder groove.
  • the climbing-up on the mounted keder roof for disassembling the pole may involve a risk for accidents, for example in terms of falling persons or falling objects.
  • An object of the present invention is to provide a keder roof system where the previously mentioned problems are avoided. This object is at least partly achieved by the features of the independent claims.
  • the dependent claims contain further developments of the keder roof system.
  • a keder roof system comprising: a first elongated rail structure with a first keder groove; a first tarpaulin having a rectangular form with first and second opposite side edges, wherein the first tarpaulin has a first keder chord located along the first side edge and second keder chord located along the second side edge, and wherein the first keder chord is configured for being inserted into, and slidingly moveable within, the first keder groove of the first elongated rail structure; a first shuttle arrangement fastened to the first tarpaulin, wherein the first shuttle arrangement has a rope attachment structure; a pull rope configured for being attached to the rope attachment structure of the first shuttle arrangement; wherein the first elongated rail structure comprises a rope guiding structure configured for holding and guiding the pull rope along the first elongated rail structure at a location outside of the first keder groove; and wherein the pull rope and a portion of the
  • a method for assembling a keder roof system comprising: providing a first elongated rail structure having a first keder groove and a rope guiding structure; a first tarpaulin having a rectangular form with first and second opposite side edges, wherein the first tarpaulin has a first keder chord located along the first side edge and second keder chord located along the second side edge; and a first shuttle arrangement fastened to the first tarpaulin.
  • the method further comprises installing a pull rope in the pull rope guiding structure of the first elongated rail structure and attaching the pull rope to a pull rope attachment structure of the first shuttle arrangement; and assembling the first tarpaulin on the first elongated rail structure by pulling the pull rope for slidingly installing the first keder chord in the first keder groove, while holding and guiding the pull rope along the first elongated rail structure at a location outside of the first keder groove by means of the rope guiding structure, and while a portion of the first shuttle arrangement passes through the rope guiding structure of the first elongated rail structure.
  • the risk that the first shuttle arrangement may accidentally fall down during use of the keder roof is eliminated, thereby also eliminating the need to climb up on the keder roof for dismounting the first shuttle arrangement. There is consequently also no need to climb up on the keder roof for re-installing the first shuttle arrangement when the keder roof is disassembled.
  • the pull rope guiding structure of the first elongated rail structure ensures that the pull rope is securely held in correct position during assembly of the roof support beam, as well as during subsequent installation of the tarpaulin on the support beam. Without such pull rope guiding structure of the first elongated rail structure, the pull rope may easily become displaced from its appropriate position, thereby rendering the subsequent mounting of the tarpaulin on the support beam more difficult or even impossible.
  • the direction of pulling force exerted by the pull rope on the tarpaulin should preferably be more or less in parallel with a direction of elongated of the keder groove at the position of the first shuttle arrangement, for ensuring a smooth and low-resistance sliding of the first keder chord in the first keder groove, and the pull rope guiding structure of the first elongated rail structure may be positioned for improving said level of parallelism.
  • the keder roof system may further comprise a second elongated rail structure with a first keder groove, wherein the second elongated rail structure is configured for being located next to the first elongated rail structure for defining a roof bay area, and wherein the second keder chord is configured for being inserted into, and slidingly moveable within, the first keder groove of the second elongated rail structure; a second shuttle arrangement fastened to the first tarpaulin, wherein the second shuttle arrangement has a rope attachment structure; a pull rope configured for being attached to the rope attachment structure of the second shuttle arrangement; wherein the second elongated rail structure comprises a rope guiding structure configured for holding and guiding the pull rope along the second elongated rail structure at a location outside of the first keder groove; wherein the pull rope and a portion of the second shuttle arrangement are configured to pass through the rope guiding structure of the second elongated rail structure when the first
  • the first elongated rail structure is composed of a plurality of elongated rail sections connected end to end to jointly form the first elongated rail structure. This enables a modular and flexible design of the elongated rail structure.
  • the second elongated rail structure is composed of a plurality of elongated rail sections connected end to end to jointly form the second elongated rail structure.
  • At least one elongated rail section of the first elongated rail structure comprises a rail holder, in particular two, three or four rail holders, for detachable fastening of the elongated rail section to a first roof support beam, in particular on a vertical upper or lower side of the first roof support beam.
  • the keder roof system further comprises a second elongated rail structure
  • at least one elongated rail section of the second elongated rail structure comprises a rail holder, in particular two, three or four rail holders, for detachable fastening of the elongated rail section to a second roof support beam, in particular on a vertical upper or lower side of the second roof support beam.
  • the rail holder has a foot for detachable fastening of the elongated rail section on the first and/or second roof support beam, and wherein a contact surface of the foot is located spaced apart from the first keder groove with a distance of at least 10 cm, specifically at least 25 cm, and more specifically within a range of 10 - 150 cm.
  • the foot of the rail holder comprises: a clamping mechanism for clamping attachment of the foot to the first and/or second roof support beam; or at least two spring-loaded pins for detachable engagement with corresponding holes in the first and/or second roof support beam.
  • a clamping mechanism provides a general solution that is compatible with a large number of different roof support beams, and a clamping mechanism with spring-loaded pins have the advantage of provide a very accurate and reliable angular positioning of the elongated rail, such that the tarpaulin is more easily mounted and dismounted.
  • the first elongated rail structure is integrally formed in a first roof support beam. This provides a more compact design.
  • the keder roof system further comprises a second elongated rail structure
  • the second elongated rail structure is integrally formed in the second roof support beam.
  • the rope guiding structure of the first and/or second elongated rail structure comprises at least one individual rope guiding member located on an elongated rail section, in particular two, three, four or five individual rope guiding members located longitudinally spaced apart on an elongated rail section.
  • the first and/or second elongated rail structure is composed of at least one curved elongated rail section and at least one straight elongated rail section, wherein the least one individual rope guiding member is located on the at least one curved elongated rail section, and wherein at least one, specifically all, straight elongated rail section is free from said rope guiding structure.
  • the first elongated rail structure at each point along its length, has an extension in a direction of elongation, a lateral direction located in a plane of the intended roof and perpendicular to the direction of elongation, and a height direction that is perpendicular to both the direction of elongation and lateral direction, wherein the first elongated rail structure has first and second keder grooves located on a first lateral side of the first elongated rail structure and being mutually offset in the height direction, and wherein the first elongated rail structure further has third and fourth keder grooves located on a second lateral side of the first elongated rail structure, opposite to the first lateral side, and being mutually offset in the height direction, such that two individual tarpaulins may be mounted on each lateral side of the first elongated rail structure in an overlapping arrangement.
  • the keder roof system may be designed based on various different combinations of tarpaulins, thereby providing increased flexibility in terms of size of the keder roof, as well as in terms of the size of the tarpaulins used.
  • the second elongated rail structure has first and second keder grooves located on a first lateral side of the first elongated rail structure and being mutually offset in the height direction, and wherein the second elongated rail structure further has third and fourth keder grooves located on a second lateral side of the second elongated rail structure, opposite to the first lateral side, and being mutually offset in the height direction, such that two individual tarpaulins may be mounted on each lateral side of the second elongated rail structure in an overlapping arrangement.
  • the rope guiding structure of the first elongated rail structure comprises: a first rope guiding portion located adjacent the first keder groove and configured for guiding a pull rope connected to a first tarpaulin mounted in the first keder groove; a second rope guiding portion located adjacent the second keder groove and configured for guiding a pull rope connected to a second tarpaulin mounted in the second keder groove; a third rope guiding portion located adjacent the third keder groove and configured for guiding a pull rope connected to a third tarpaulin mounted in the third keder groove; and a fourth rope guiding portion located adjacent the fourth keder groove and configured for guiding a pull rope connected to a fourth tarpaulin mounted in the fourth keder groove. Having separate rope guiding portion for each keder groove provides reduces risk for interference between different pull ropes.
  • the rope guiding structure of the second elongated rail structure comprises: a first rope guiding portion located adjacent the first keder groove and configured for guiding a pull rope connected to the first tarpaulin mounted in the first keder groove; a second rope guiding portion located adjacent the second keder groove and configured for guiding a pull rope connected to a second tarpaulin mounted in the second keder groove; a third rope guiding portion located adjacent the third keder groove and configured for guiding a pull rope connected to a fifth tarpaulin mounted in the third keder groove; and a fourth rope guiding portion located adjacent the fourth keder groove and configured for guiding a pull rope connected to a sixth tarpaulin mounted in the fourth keder groove.
  • the first elongated rail structure comprises: a plurality of individual rope guiding members located spaced apart on an outer side of the first elongated rail structure; and a plurality of individual rope guiding members located spaced apart on an inner side of the first elongated rail structure.
  • Having rope guiding members located on both the inner and outer side of the roof support beam provide improved flexibility in terms of design and implementation of the keder roof system. For example, having tarpaulins mounted on both inner and outer side of roof support beam enables improved thermal insulation.
  • the second elongated rail structure comprises: a plurality of individual rope guiding members located spaced apart on an outer side of the second elongated rail structure; and a plurality of individual rope guiding members located spaced apart on an inner side of the second elongated rail structure.
  • the rope guiding structure of the first and/or second elongated rail structure comprises a separate rope guiding passage for each keder groove of said first and/or second elongated rail structure.
  • the rope guiding structure of the first and/or second elongated rail structure comprises a separate rope guiding passage for each keder groove of said first and/or second elongated rail structure, and at least one rope guiding passage is dimensioned for being able to hold and guide two pull ropes simultaneously.
  • two tarpaulins may be mounted in the same keder groove, thereby further increasing the flexibility and design options of the keder roof system.
  • the first and/or second shuttle arrangement comprises a first part and a second part, wherein the first part is fastened to the first tarpaulin and the second part, which includes the rope attachment structure, is detachably fastenable to the first part.
  • the first part of the first and/or second shuttle arrangement comprises two plates that are mutually fastened, and the two plates jointly clamps the first tarpaulin between said two plates. This provides a strong and reliable permanent connection between the plate and the tarpaulin, thereby eliminating the need to dismount the shuttle arrangement after installation, because the shuttle arrangement cannot fall down.
  • At least one, specifically both, of the plates have a textured inner contact surface, specifically a wavy inner contact surface, facing the first tarpaulin.
  • a textured, in particular wavy inner contact surface provides improved clamping effect of the plates.
  • the two plates of the first part of the first and/or second shuttle arrangement are mutually fastened via rivets or threaded members extending through the first tarpaulin. Thereby a reliable permanent connection of the plates to the tarpaulin is provided.
  • the rope attachment structure of the first shuttle arrangement comprises a projection that is configured to be engaged in a hole of an end piece of a pull rope. This provides a simply and strong connection of the pull rope to the shuttle arrangement.
  • the rope attachment structure of the second shuttle arrangement comprises a projection that is configured to be engaged in a hole of an end piece of a pull rope.
  • the second part of the first and/or second shuttle arrangement is made of a planar material, specifically sheet metal such as sheet aluminium or sheet steel. This enables use of a small access opening to the rope guiding passage of the rope guiding structure, such that the risk that the pull rope becomes stuck or jammed in the access opening is reduced.
  • the second part of the first shuttle arrangement is attached to the first part of the first shuttle arrangement by means of threaded members.
  • the second part of the second shuttle arrangement is attached to the first part of the second shuttle arrangement by means of threaded members.
  • the second part of the first shuttle arrangement may be selectively attached to any one of the two plates of the first part of the first shuttle arrangement.
  • the second part of the second shuttle arrangement may be selectively attached to any one of the two plates of the first part of the second shuttle arrangement.
  • the at least one rope guiding member of the first elongated rail structure has a shape of a closed retainer defining a rope guiding passage through the at least one rope guiding member, wherein the closed retainer has an access opening along its circumference for enabling a portion of the first shuttle arrangement, specifically a portion of the second part of the shuttle arrangement, to extend into the rope guiding passage and to pass through the rope guiding structure.
  • the at least one rope guiding member of the second elongated rail structure has a shape of a closed retainer defining a rope guiding passage through the at least one rope guiding member, wherein the closed retainer has an access opening along its circumference for enabling a portion of the second shuttle arrangement, specifically a portion of the second part of the second shuttle arrangement, to extend into the rope guiding passage and to pass through the rope guiding structure.
  • the access opening of the closed retainer is dimensioned small enough for preventing escape of the pull rope from the rope guiding passage via the access opening. Thereby, the risk that the pull rope becomes stuck or jammed in the access opening is reduced.
  • the first shuttle arrangement is fastened in a corner region of the first tarpaulin. This enables transfer of pull force from the pull rope to the keder chord.
  • the second shuttle arrangement is fastened in a corner region of the first tarpaulin.
  • each of the first and second shuttle arrangements is fastened in a separate corner region of the first tarpaulin.
  • the method may further comprise: providing a second elongated rail structure having a first keder groove and a rope guiding structure, and providing the first tarpaulin with a second shuttle arrangement fastened to the first tarpaulin; arranging the first and second elongated rail structures spaced apart side by side and interconnecting the first and second elongated rail structures using brazing elements and/or ledgers for defining a rigid roof bay; installing a pull rope in the pull rope guiding structure of the second elongated rail structure and attaching the pull rope to a pull rope attachment structure of the second shuttle arrangement; wherein the step of assembling the first tarpaulin involves assembling the first tarpaulin on the first and second elongated rail structures by simultaneously pulling the pull ropes of the first and second shuttle arrangements for slidingly installing the first keder chord in the first keder groove of the first elongated rail structure and slidingly
  • the method for assembling a keder roof system comprises: providing first and second elongated rail structures, each having a first keder groove and a rope guiding structure; a first tarpaulin having a rectangular form with first and second opposite side edges, wherein the first tarpaulin has a first keder chord located along the first side edge and second keder chord located along the second side edge; a first shuttle arrangement fastened to the first tarpaulin; and a second shuttle arrangement fastened to the first tarpaulin; arranging the first and second elongated rail structures spaced apart side by side and interconnecting the first and second elongated rail structures using brazing elements and/or ledgers for defining a rigid roof bay; installing a pull rope in the pull rope guiding structure of the first elongated rail structure and attaching the pull rope to a pull rope attachment structure of the first shuttle arrangement, and installing a pull rope in the pull rope guiding structure of the second elongated rail structure and attach
  • the first elongated rail structure is composed of a plurality of elongated rail sections, and wherein the method further comprising: detachable fastening a plurality of elongated rail sections to a first roof support beam, in particular on a vertical upper or lower side of the first roof support beam, by means of a rail holder of the elongated rail section, and connecting the plurality of elongated rail sections end to end to jointly form the first elongated rail structure.
  • the second elongated rail structure is composed of a plurality of elongated rail sections
  • the method further comprising: detachable fastening a plurality of elongated rail sections to a second roof support beam, in particular on a vertical upper or lower side of the second roof support beam, by means of a rail holder of the elongated rail section, and connecting the plurality of elongated rail sections end to end to jointly form the second elongated rail structure.
  • the method further comprises: lifting and installing the assembled first roof support beam and first elongated rail structure onto an elevated support element of a substructure, wherein the step of lifting and installing is performed before the step of assembling the first tarpaulin on the first elongated rail structure, and in particular also after the step of installing a pull rope in the pull rope guiding structure of the first elongated rail structure.
  • the method further comprises: lifting and installing the assembled second roof support beam and second elongated rail structure onto an elevated support element of a substructure, wherein the step of lifting and installing is performed before the step of assembling the first tarpaulin on the second elongated rail structure, and in particular also after the step of installing a pull rope in the pull rope guiding structure of the second elongated rail structure.
  • the step of assembling the first tarpaulin on the first and/or second elongated rail structure is performed manually by a roof builder pulling the first and/or second pull rope while being located on the ground surface or on an elevated support surface of a substructure that carries the keder roof.
  • the first shuttle arrangement after the step of assembling the first tarpaulin on the first elongated rail structure, remains attached to the first tarpaulin at least as long as the keder roof system remains in an assembled and operational state.
  • a pull rope of the first or second shuttle arrangements after the first tarpaulin has been assembled at a desired position on the first and/or second elongated rail structure, is secured to a substructure that carries the keder roof, or to an eave region of the keder roof system.
  • Figure 1A and 2 schematically show a perspective overview of the keder roof system according to the present disclosure, wherein figure 1A shows an assembled roof support structure 1 before mounting of the a set of tarpaulins, and figure 2 shows the assembled roof support structure 1 after mounting of the set of tarpaulins.
  • the assembled and installed keder roof system may be deemed having an extension in a roof width direction 25, a roof length direction 26 that is perpendicular to the roof width direction 25, and a roof height direction 27 that is perpendicular to both the roof width and roof length directions 25, 26.
  • the assembled roof support structure 1 of figure 1A comprises four roof support beams 2-5 arranged spaced apart side by side in the roof length direction 26, namely a first 2, a second 3, a third 4 and a fourth 5 roof support beam, wherein neighbouring roof support beams 2-5 are mutually structurally connected via brazing elements and/or ledgers 6 for defining a rigid framework the forms the roof support structure 1.
  • Figure 1B shows a closed-up view of a portion of the roof support structure 1 in the region of the fourth roof support beam 5.
  • One of the primary purposes of the roof support structure 1 is to carry and hold the tarpaulins at a desired position, and being capable of withstanding loads transferred to the roof support structure 1 from the tarpaulins and caused by for example winds, snow loads, etc.
  • the finished keder roof system of figure 2 comprises a roof ridge region 13, and first eave region 18 and a second eave region 19.
  • the portion of the roof located between the roof ridge region 13 and the first or second eave region 18, 19 may be referred to as an intermediate region 20.
  • Neighbouring roof support beams 2-5 such as for example the first and second roof support beams 2, 3 jointly define a roof bay 10.
  • the roof structure of figure 2 comprises three roof bay regions 10, 11, 12.
  • a first tarpaulin 15 is being mounted to cover the first roof bay region 10 by means of first and second roof builders 23, 24, who cooperate for jointly pulling and mounting the first tarpaulin 15 on the roof support structure using two pull ropes 14.
  • a second tarpaulin 16 has been mounted to cover the second roof bay region 11, and a third tarpaulin 17 has been mounted to cover the third roof bay region 12.
  • the roof is a gambrel-type roof, but the keder rood system is equally useful for other types of roof designs, such as flat roof, leaning roofs, gable-type roofs, etc.
  • the roof has a modular structure, because the roof support structure 1 is made of a plurality of parts that are temporarily connected.
  • each of the roof support beams 2-5 may be made of a set of straight beam segments and a set of curved beam segments that are interconnected using for example clamping connection or positive locking.
  • the brazing elements and/or ledgers 6 are also separate parts that are temporarily connected to the roof support beams.
  • the roof free span width 7 and roof height 8 of the final roof may vary a lot.
  • the roof free span width 7 may be in the range of 5 - 50 metres, or more
  • roof height, as measured from the vertical support surface at the first or second eave to the roof ridge, may be in the range of 0-30 metres, or more.
  • Figure 3A schematically shows a side view of for example the first roof support beam 2 of figure 1A , wherein figure 3B shows a close-up side view of a curved portion of the first roof support beam 2, and figure 3C show a close-up side view of a straight portion of the first roof support beam 2.
  • the roof support beam 2 of figure 3A is standing on a support surface 47.
  • Figure 4 shows a perspective overview of for example the first roof support beam 2 in a curved portion thereof.
  • the roof support beams 2-5 may have various structure, composition and design.
  • One particularly attractive design of the roof support beam 2-5 is in form of a lattice beam, lattice girder or truss beam, due to their high structural strength combined with low weigh.
  • Such lattice girder or truss beams may be manufactured using steel, aluminium, or other types of metal.
  • a lattice girder or truss beam sometimes also referred to as an open web girder, typically comprises a top chord 59, a bottom chord 60 and a plurality of relatively straight structural elements 61 interconnecting the top and bottom chord and forming an essentially triangulated system.
  • the roof support beam 2 in form of a lattice beam having top and bottom chords 59, 60 made from steel tubes with 48.3 mm outer diameter, according the European Standard EN 12810-1 for scaffolds products, the lattice beam is compatible for use as a scaffold part, i.e. for building façade scaffolds or the like.
  • the centre to centre distance of the top and bottom chords 59, 60 of the lattice beam may for example be 500 mm for further improved compatibility with other parts of a scaffold system.
  • roof support beam is not limited to these kind of support beams, and may alternatively have a more solid design and being made of fibre-reinforced polymeric material and/or or a concrete material, or the like.
  • the first roof support beam 2 carries a detachable first elongated rail structure 30 that has a first keder groove 31.
  • This design further increases the modular design of the keder roof system because the roof support beam 2 may be any type of roof support beam, and not necessarily a dedicated keder roof support beam having integrated keder grooves. Consequently, the scaffolding and/or keder roof supplier can use an already available roof support beam as load carrying member, or nearly any type of roof support beam, thereby reducing cost and complexity for increasing scope of service to include keder roof systems.
  • first keder groove of the first elongated rail structure 30 becomes damaged, it is not necessary to replace the entire roof support beam, but replacement of the first elongated rail structure 30 is sufficient.
  • the first elongated rail structure 30 Since the detachable first elongated rail structure 30 is carried by the rigid and load supporting first roof support beam 2, the first elongated rail structure 30 may be designed without any substantial requirement in terms of load capacity. In other words, the first elongated rail structure 30 may be designed with relatively low rigidity for saving weight and cost.
  • the first keder groove 31 may be integrally formed in the first elongated rail structure 30, for example by manufacturing the first elongated rail structure 30 as a cost-efficient aluminium profile in an aluminium extrusion process, or as a cost-efficient polymeric material profile in a polymeric material extrusion process.
  • the first elongated rail structure 30 may be made in one piece or composed of a plurality of parts and/or materials.
  • the first keder groove 31 clearly extends in parallel with the direction of elongation of the first rail structure 30.
  • the first elongated rail structure 30 comprises a plurality of rail holders 35 for detachable fastening the first elongated rail structure 30 to the first roof support beam 2.
  • the rail holder 35 may for example be fastened to, or integrally formed within, the first elongated rail structure 30, and configured for enabling quick and secure temporary attachment of the first elongated rail structure 30 to the first roof support beam 2 by a roof builder 23, 24.
  • the quick and secure temporary attachment may for example be accomplished be means of a rail holder foot 9 that includes a clamping member or a positive locking device using for example pin and hole attachment.
  • first elongated rail structure 30 may be integrated in, or permanently attached to, the first roof support beam 2.
  • first roof support beam 2 may include an integrally formed first keder groove 31, or the first elongated rail structure 30 having the first keder groove 31 may be permanently attached, for example by welding or the like, to the first roof support beam 2.
  • Figure 13A schematically shows a top view of a tarpaulin, such as the first tarpaulin 15, and figure 13B schematically shows the same view, but here also including first, second, third and fourth shuttle arrangements 40, 41, 42, 43, each installed in a separate corner of the first tarpaulin 15.
  • Figure 13B further shows four pull ropes 14, one connected to each of first to fourth shuttle arrangements 40-43.
  • the first tarpaulin 15 may have a rectangular form with first and second opposite side edges 28, 29, and third and fourth opposite side edges 36, 37, wherein the first tarpaulin has a first keder chord 38 located along the first side edge 28 and second keder chord 39 located along the second side edge 29.
  • first side edge 28 and the third side edge 36 meet at a first corner region 48 of the first tarpaulin 15, the second side edge 29 and the third side edge 36 meet at a second corner region 49 of the first tarpaulin 15, the first side edge 28 and the fourth side edge 37 meet at a third corner region 50 of the first tarpaulin 15, and the second side edge 29 and the fourth side edge 37 meet at a fourth corner region 51 of the first tarpaulin 15.
  • the rectangular circumference of the first tarpaulin 15 is thus defined by the first side edge 28, the third side edge 36, the second side edge 29, and the fourth side edge 37, in this order.
  • the pull ropes 14 may be made of various materials, such as for example jure rope or polypropylene rope or other type of plastic rope.
  • the pull ropes 14 may have a diameter of about 10-30 mm for enabling good grip by a roof builder.
  • a metal wire rope may be used, for example together with some type metal wire rope winding machine for enabling motorized pulling of the pull rope 14.
  • Figure 5 schematically shows a perspective view of first and second tarpaulins 15, 16 in assembled state together with the first elongated rail structure 30, wherein a first shuttle arrangement 40 is attached to the first tarpaulin 15 and connected to a pull rope 14, and wherein a second shuttle arrangement 41 is attached to a neighbouring second tarpaulin 16 and connected to a pull rope 14.
  • Figure 5 also shows a rail holder 35 with associated rail holder foot 9 that is designed for detachable fastening on a first roof support beam 2.
  • Figure 6 shows a sectional view of the of first tarpaulin 15 in assembled state together with the first elongated rail structure 30. Specifically, a first keder chord 38 of the first tarpaulin 15 is mounted in a first keder groove 31 of the first elongated rail structure 30. Figure 6 also shows a first shuttle arrangement 40 connected to the first tarpaulin 15 and attached to a pull rope 14.
  • the first keder chord 38 of the first tarpaulin should more or less be completely slidingly inserted into the first keder groove 31 of the first elongated rail structure 30, for providing a strong and sealed connected between the first side edge 28 of the first tarpaulin and the first elongated rail structure 30.
  • the mounting of the first tarpaulin 15 on the first elongated rail structure 30 is for example performed by a roof builder inserting an end of the first keder chord 38 of the first tarpaulin 15 into an end of the first keder groove 31 of the first elongated rail structure 30. This may for example be performed manually. Thereafter, a pulling force is exerted on the first tarpaulin 15 for sliding the first keder chord 38 into the first keder groove 31 until a desired position is attained. The pulling force is for example exerted on the first tarpaulin 15 via the pull rope 14 of the first shuttle arrangement 40.
  • Figure 10 schematically shows a sectional view through an example embodiment of the first elongated rail structure 30 at for example sectional cut A-A in figure 20A .
  • This figure is similar to that figure 6 but additionally showing a second tarpaulin 16 and a rope guiding structure 52.
  • a first keder chord 38 of the first tarpaulin 15 is mounted in a first keder groove 31 of the first elongated rail structure 30, and a first keder chord 38 of the second tarpaulin 16 is mounted in a second keder groove 32 of the first elongated rail structure 30.
  • a first shuttle arrangement 40 is attached to the first tarpaulin 15 and a pull rope 14 attached to the first tarpaulin 15 via the first shuttle arrangement 40 is guided along the first elongated rail structure 30 by means of an interior part 21 of the rope guiding structure 52.
  • a first shuttle arrangement 40 is attached to the second tarpaulin 16 and a pull rope 14 attached to the second tarpaulin 16 via the first shuttle arrangement 40 is guided along the first elongated rail structure 30 by means of an exterior part 22 of the rope guiding structure 52.
  • Figure 12A-C shows three different installation phases of an example embodiment of the first elongated rail structure 30 having a rope guiding structure 52 and first tarpaulin 15 being mounted in a first keder groove 31 of the first elongated rail structure 30.
  • the keder roof system provides increased flexibility in terms of roof size, because one, two or three separate tarpaulins may be combined for covering a single roof bay region.
  • figure 14A, 15A and 16A show three different roof designs that may be build using the same type of rail structure.
  • Figure 14A shows schematically a keder roof system with a single-tarpaulin installation
  • figure 14B shows an example of a sectional view through the first elongated rail structure 30 of said single-tarpaulin installation
  • a single-tarpaulin installation herein refers to an installation wherein a single tarpaulin 15 extends of the entire length of a roof bay region, i.e. in a roof width direction, and wherein the size of roof in a roof length direction 26 is determined by the number of tarpaulins installed side-by-side.
  • the size of the roof in the roof width direction 25 in this type of installation is thus limited to the length of a single tarpaulin 15.
  • a single-tarpaulin installation may nevertheless include double layers of tarpaulins, i.e. a first tarpaulin 15 installed in the first keder groove 31 and a second 16 tarpaulin installed in the second keder groove 32, such that the two tarpaulins are overlapping.
  • figure 14B shows a single-layer installation having a first tarpaulin 15 mounted in a first keder groove 31 of the first elongated rail structure 30, and a second tarpaulin 16 mounted in a third keder groove 33 of the first elongated rail structure 30, wherein a pull rope of the first tarpaulin 15 is guided by a first rope guiding portion 53 located adjacent the first keder groove 31, and wherein a pull rope of the second tarpaulin 16 is guided by a third rope guiding portion 55 located adjacent the third keder groove 33.
  • FIGS 8A-D The basic steps for mounting single-tarpaulin installation are schematically illustrated in figures 8A-D .
  • the roof support structure 1 with its roof support beams 2-5 and brazing elements 6 is mounted. This may for example be performed by first building roof bays at a convenient location, such as on the ground next to the desired final position, and subsequently lifting the finished roof bays to the desired final position using a crane or the like, and finally connecting the roof bays using brazing elements.
  • a roof bay refers to two roof support beams interconnected by brazing elements to form a rigid entity.
  • single roof support beams may be assembled and subsequently lifter to the desired final position and thereafter connected with neighbouring roof support beams using brazing elements 6.
  • All required pull ropes are installed in the rope guiding structure 52 in connection with building the roof segments on the ground and before lifting, because pre-installed pull ropes 14 enables avoiding unnecessary climbing on the assembled roof support structure 1.
  • first tarpaulin 15 may begin. This may be performed by first placing the first tarpaulin 15 at a location close to for example the first eave region 18, and inserting an end of the first and second keder chord 38, 39 of the first tarpaulin 15 in appropriate keder grooves 31-34 of the first and second elongated rail structures 30, 62, and connecting the pre-installed pull ropes 14 with first and second shuttle arrangements 40, 41. Note that the second shuttle arrangement 41 is not visible in figure 8B because it is located on the backside of the first tarpaulin 15.
  • roof builders 23, 24 located at the second eave region 19 may manually pull the pull ropes 14 connected with the first and second shuttle arrangements 40, 41 for mounting the first tarpaulin 15 until it covers the entire first roof bay region 10, as shown in figure 8D .
  • Figure 15A shows schematically a keder roof system with a dual-tarpaulin installation
  • figure 15B shows an example of a sectional view through the first elongated rail structure 30 of said dual-tarpaulin installation
  • a dual-tarpaulin installation herein refers to an installation wherein two tarpaulins partly overlap each other, such that none of the tarpaulins extends of the entire length of a roof bay region, i.e. in a roof width direction.
  • a first tarpaulin 15 covers a first part of a roof bay region
  • a second tarpaulin 16 covers a second part of said roof bay region, wherein the first and second.
  • the size of the roof in the roof width direction 25 is in this type of installation thus not limited to the length of a single tarpaulin 15, but rather to the combined length of the first and second tarpaulins 15, 16 after deducting the overlapping portion of one of the first and second tarpaulins 15, 16.
  • figure 15B shows a first tarpaulin 15 mounted in a first keder groove 31 of the first elongated rail structure 30, a second tarpaulin 16 mounted in a second keder groove 32 of the first elongated rail structure 30, a third tarpaulin 17 mounted in a third keder groove 33 of the first elongated rail structure 30, and a fourth tarpaulin 57 mounted in a fourth keder groove 34 of the first elongated rail structure 30.
  • the first elongated rail structure 30 has, at each point along its length, an extension in a direction of elongation 76, a lateral direction 77 located in a plane of the intended roof and perpendicular to the direction of elongation, and a height direction 78 that is perpendicular to both the direction of elongation 76 and lateral direction 77, wherein the first elongated rail structure 30 has first and second keder grooves 31, 32 located on a first lateral side of the first elongated rail structure 30 and being mutually offset in the height direction 78, and wherein the first elongated rail structure 30 further has third and fourth keder grooves 33, 34 located on a second lateral side of the first elongated rail structure 30, opposite to the first lateral side, and being mutually offset in the height direction 78, such that two individual tarpaulins 15, 16 may be mounted on each lateral side of the first elongated rail structure 30 in an overlapping arrangement with each other.
  • a pull rope 14 of the first tarpaulin 15 is guided by a first rope guiding portion 53 located adjacent the first keder groove 31
  • a pull rope 14 of the second tarpaulin 16 is guided by a second rope guiding portion 54 located adjacent the second keder groove 32
  • a pull rope 14 of the third tarpaulin 17 is guided by a third rope guiding portion 55 located adjacent the third keder groove 33
  • a pull rope 14 of the fourth tarpaulin 57 is guided by a fourth rope guiding portion 56 located adjacent the fourth keder groove 34.
  • FIGS. 9A-C The basic steps for mounting a dual-tarpaulin installation are schematically illustrated in figures 9A-C .
  • the roof support structure 1 with its roof support beams 2-5 and brazing elements 6 are mounted while the required pull ropes 14 become pre-installed in the rope guiding structure 52, the first and second tarpaulins 15, 16 are positioned at a location close to for example the first and second eave regions 18, 19, respectively, and the pre-installed pull ropes 14 becomes connected with first and second shuttle arrangements 40, 41 of the first and second tarpaulins 15, 16.
  • first and second keder chords 38, 39 of the first tarpaulin 15 are inserted in appropriate keder grooves 31-34 of the first and second elongated rail structures 30, 62, and roof builders 23, 24 located at the second eave region 19 may manually pull the pull ropes 14 connected with the first and second shuttle arrangements 40, 41 for mounting the first tarpaulin 15 until it covers a portion of the first roof bay region 10.
  • first and second keder chords 38, 39 of the second tarpaulin 16 are inserted in appropriate keder grooves 31-34 of the first and second elongated rail structures 30, 62, and roof builders 23, 24 located at the first eave region 18 may manually pull the pull ropes 14 connected with the first and second shuttle arrangements 40, 41 for mounting the second tarpaulin 15 until it partly overlaps with the first tarpaulin 15 and thus covers the remaining portion of the first roof bay region 10.
  • a third side edge 36 of the second tarpaulin 16 is located overlapping the first tarpaulin 15. This corresponds to the final position of the first and second tarpaulins 15, 16.
  • Figure 16A shows schematically a keder roof system with a triple-tarpaulin installation
  • figure 16B shows an example of a sectional view through the first elongated rail structure 30 of said triple-tarpaulin installation.
  • a triple-tarpaulin installation herein refers to an installation wherein two separate tarpaulins are located spaced apart and non-overlapping, and with a further tarpaulin arranged partly overlapping with each of said two spaced apart tarpaulins.
  • a first tarpaulin 15 covers a first part of a roof bay region
  • a further tarpaulin 58 is arranged in the same keder groove as the first tarpaulin 15 but spaced apart from and non-overlapping with the first tarpaulin 15, and a second tarpaulin 16 is arranged in another keder groove and partly overlapping with both of the first and further tarpaulins 15, 58.
  • the size of the roof in the roof width direction 25 is in this type of installation corresponds to the total length of each of the first tarpaulin 15 and the further tarpaulin 58, in addition to the part of the second tarpaulin 16 that is not overlapping with any part of the first and further tarpaulins 15, 58.
  • figure 15B shows a first tarpaulin 15 mounted in a first keder groove 31 of the first elongated rail structure 30, a second tarpaulin 16 mounted in a second keder groove 32 of the first elongated rail structure 30, a third tarpaulin 17 mounted in a third keder groove 33 of the first elongated rail structure 30, and a fourth tarpaulin 57 mounted in a fourth keder groove 34 of the first elongated rail structure 30.
  • a pull rope 14 of the first tarpaulin 15 is guided by a first rope guiding portion 53 located adjacent the first keder groove 31
  • a pull rope 14 of the second tarpaulin 16 is guided by a second rope guiding portion 54 located adjacent the second keder groove 32
  • a pull rope 14 of the third tarpaulin 17 is guided by a third rope guiding portion 55 located adjacent the third keder groove 33
  • a pull rope 14 of the fourth tarpaulin 57 is guided by a fourth rope guiding portion 56 located adjacent the fourth keder groove 34.
  • Said further tarpaulin 58 is not shown in the sectional view of figure 16B .
  • the pull rope 59 attached to said further tarpaulin 58 is included in figure 16B .
  • the pull rope 59 attached to said further tarpaulin 58 is here located within the first rope guiding portion 53, together with the pull rope of the first tarpaulin 15, because this sharing of the first rope guiding portion 53 enables said first tarpaulin 15 and said further tarpaulin 58 to be installed in the same keder groove 31.
  • FIG. 11A The basic steps for mounting a triple-tarpaulin installation are schematically illustrated in figures 11A-D .
  • the roof support structure 1 with its roof support beams 2-5 and brazing elements 6 are mounted while the required pull ropes 14 become pre-installed in the rope guiding structure 52, the first and second tarpaulins 15, 16 are positioned at a location close to for example the first and second eave regions 18, 19, respectively, and the pre-installed pull ropes 14 becomes connected with first and second shuttle arrangements 40, 41 of the first and second tarpaulins 15, 16.
  • first and second keder chords 38, 39 of the first tarpaulin 15 are inserted in appropriate keder grooves 31-34 of the first and second elongated rail structures 30, 62, and roof builders 23, 24 located at the second eave region 19 may manually pull the pull ropes 14 connected with the first and second shuttle arrangements 40, 41 for mounting the first tarpaulin 15 until it covers a portion of the first roof bay region 10.
  • a fourth side edge 37 of the first tarpaulin 15 has not reached the roof ridge at the final position.
  • first and second keder chords 38, 39 of the second tarpaulin 16 are inserted in appropriate keder grooves 31-34 of the first and second elongated rail structures 30, 62, in particular the same keder grooves that are used by the first tarpaulin 15, and roof builders 23, 24 located at the first eave region 18 may manually pull the pull ropes 14 connected with the first and second shuttle arrangements 40, 41 for mounting the second tarpaulin 16.
  • the length of the first, second and further tarpaulins 15, 16, 58 may be selected according to the circumstances and may for example be equal, or different, thereby providing the roof builders with large flexibility in terms of roof construction.
  • the rope guiding structure 52 which may be a separate part that is attached to, or integrally formed in, the first elongated rail structure 30, is configured for holding and guiding one or more pull ropes 14, 59 along the first elongated rail structure 30 at a location outside of the first to fourth keder grooves 31-34 of the first elongated rail structure 30.
  • the rope guiding structure 52 is arranged for preventing the pull rope 14, 59 from escaping from the rope guiding structure 52, and thus preventing the pull rope 14, 59 from becoming displaced from the first elongated rail structure 30, because this will potentially hinder a smooth and low-friction sliding motion of the keder chord in the associated keder groove.
  • Aligning the pull rope 14, 59 with the first elongated rail structure 30 generally results in smooth and low-friction sliding motion of the keder chord in the associated keder groove, because this set-up does not incur any lateral force in the keder chord, and thus no additional friction force between the keder chord in the associated keder groove.
  • the pull rope may more easily get stuck in the roof support beam or roof support structure 1, and the pull rope may more easily become displaced to an inconvenient position during lifting and mounting of roof support beam, and the pull ropes may become mixed up with each other more easily due to lack of any specific position.
  • the first shuttle arrangement is fastened to a pull rope, not only said pull rope will pass through the rope guiding structure 52 of the first elongated rail structure, but also a part of the first shuttle arrangement. Consequently, the rope guiding structure 52 cannot have a completely closed circumference, but a relatively small passage may be available for enabling a part of the first shuttle arrangement to pass through a nearly closed circumference of the rope guiding structure 52.
  • the present invention relates to a keder roof system comprising: a first elongated rail structure with a first keder groove; a first tarpaulin having a rectangular form with first and second opposite side edges, wherein the first tarpaulin has a first keder chord located along the first side edge and second keder chord located along the second side edge, and wherein the first keder chord is configured for being inserted into, and slidingly moveable within, the first keder groove of the first elongated rail structure; a first shuttle arrangement fastened to the first tarpaulin, wherein the first shuttle arrangement has a rope attachment structure 83; a pull rope 14 configured for being attached to the rope attachment structure 83 of the first shuttle arrangement 40; wherein the first elongated rail structure comprises
  • the keder roof system further comprises: a second elongated rail structure 62 with a first keder groove 31, wherein the second elongated rail structure is configured for being located next to the first elongated rail structure for defining a roof bay area, and wherein the second keder chord is configured for being inserted into, and slidingly moveable within, the first keder groove of the second elongated rail structure; a second shuttle arrangement fastened to the first tarpaulin, wherein the second shuttle arrangement 41 has a rope attachment structure 83; a pull rope 14 configured for being attached to the rope attachment structure 83 of the second shuttle arrangement 41; wherein the second elongated rail structure comprises a rope guiding structure configured for holding
  • Figure 20A shows schematically a side view of an assembled first roof support beam 2 having a first elongated rail structure 30 temporarily fastened on an upper side of first roof support beam 2, as well as a second elongated rail structure 62 temporarily fastened on an under side of first roof support beam 2.
  • the first and second elongated rail structures 30, 62 may have similar or identical design, i.e. similar or identical type and number of keder grooves 31-34, similar or identical type of rope guiding structure 52, such that the same type of tarpaulins may be selectively installed in the first or second elongated rail structures 30, 62.
  • the keder roof system may be built with only the second elongated rail structure 62, i.e. only the lower rail structure 62, if desired.
  • Figure 20B shows schematically a side view of an exploded view of the first roof support beam 2 of figure 20A.
  • Figure 20B thus shows an example embodiment of the modular composition of the first roof support beam, the first elongated rail structure 30 and the second elongated rail structure 62.
  • the first roof support beam 2 may be composed of a plurality of support beam elements 63 that may have various forms, such as straight element and curved elements, and the desired first roof support beam 2 may thus be built by assembling and mutually fastening an appropriate set of support beam elements 63.
  • first elongated rail structure 30 is composed of a plurality of elongated rail sections 64 that are connected end to end, in continuation with each other, to jointly form the first elongated rail structure 30.
  • second elongated rail structure 62 is also composed of a plurality of elongated rail sections 64 that are connected end to end, [in continuation with each other, to jointly form the second elongated rail structure 62.
  • each of the first and second elongated rail structures 30, 62 are composed of a curved elongated rail section 64 and a plurality of straight elongated rail sections 64.
  • the straight elongated rail sections 64 of the first and second elongated rail structures 30, 62 may be identical, such that the straight elongated rail sections 64 can be fastened to both on the upper and lower side of the first roof support beam 2.
  • the curved elongated rail sections 64 of the first and second elongated rail structures 30, 62 are different because the rail holders 35 for attaching the curved elongated rail sections 64 to the first roof support beam 2 are located on opposite sides.
  • At least one elongated rail section 64 of the first and/or second elongated rail structures 30, 62 comprises a rail holder 35, in particular two, three or four rail holders 35, for detachable fastening the elongated rail section 64 to a first roof support beam 2, in particular on a vertical upper or lower side of the first roof support beam 2.
  • the rail holders 35 have a foot 9 for detachable fastening the elongated rail section 64 on the first roof support beam 2, and a contact surface 66 of the foot 9, i.e. the surface of the foot that is in contact with and load-carrying relative to the first roof support beam, is located spaced apart from the first keder groove 31 with a distance 65 of at least 10 cm, specifically at least 25 cm, and more specifically within a range of 10 - 150 cm, specifically 15 - 50 cm, as measured in a direction opposite to the direction of elongation of the elongated rail section. This reduces the risk of damages and/or wear to the tarpaulins caused be interference with the roof support structure 1.
  • Figures 17 and 18A-C show schematically an example embodiment of a foot 9 of a rail holder 35, wherein figure 17 shows a perspective view of the rail holder 35 with foot 9 when approaching the first roof support beam 2 that has a locking hole 67 or recess, figure 18A shows a side-view of the same position, figure 18B shows the foot 9 after a contact surface 66 of the foot 9 has arrived in contact with the first roof support beam 2 but before two locking pins 68 of the foot 9 have been inserted into the associated locking hole 67 or recess of the first roof support beam 2, and figure 18C shows the foot 9 after the locking pins 68 of the foot 9 have been inserted into the associated locking hole 67 or recess of the first roof support beam 2.
  • the locking pins 68 are spring-loaded towards the locked position showed in figure 18C , but the locking pins 68 may be selectively set in an open and closed state by turning motion of two control arms 69.
  • the locking pins 68 may for example have a slightly conical shape, at least over a certain length of the locking pin, such that the conical part of the locking pins may interact with the locking hole or recess 67 for ensuring improved stability and eliminated play.
  • a distance between keder groves of neighbouring first and second elongated rail structures 30, 62 is either too small or too large, thereby rendering mounting/dismounting of the tarpaulins more difficult.
  • FIG. 19A-C shows a foot 9 with two-spring loaded pins 68 arranged with snap-fit functionality.
  • the locking pins 68 are by default always urged forwards towards a protruding position by means of mechanical spring devices 70, as showed in figure 19A .
  • the locking pins 68 are temporarily automatically retracted to the retracted position. Specifically, the pushing causes the locking pins 68 to automatically become temporarily retracted due to contact with the external rounded surface of the roof support beam 2, as shown in figure 19B .
  • the front end 71 of the locking pins 68 may have a slightly conical shape for ensuring improved stability and eliminated play.
  • the foot 9 of the rail holder 35 may in some example embodiments comprise at least two spring-loaded pins 68 for detachable engagement with corresponding holes 67 located in the first roof support beam 2, for safely and reliably connecting the rail holder 35 and associated first elongated rail structure 30 to the first roof support beam 2.
  • the snap-fit foot 9 of figures 19A-C is subsequently removed by for example manually pushing the two spring-loaded pins 68 backwards and simultaneously lifting the foot and rail holder away from the support beam 2.
  • the foot 9 of the rail holder 35 may comprise at least a clamping mechanism for clamping attachment of the foot 9 to the first roof support beam 2.
  • the clamping mechanism may for example be accomplished using a threaded member or the like.
  • the rail holder 35 may comprise an elongated beam having first and second ends, wherein the first end of the beam is provided with a rail attachment interface configured for enabling permanent or detachable rigid connection with the first elongated rail structure 30, and wherein the second end 46 of the beam is provided with the foot 9 for enabling detachable connection with the first roof support beam 2.
  • the rope guiding structure 52 of the first elongated rail structure 30 may in some example embodiments comprise at least one individual rope guiding member 74, 75 located on an elongated rail section 64 or along the first elongated rail structure 30, in particular two, three, four or five individual rope guiding members 74, 75 located longitudinally spaced apart on an elongated rail section 64 or along the first elongated rail structure 30.
  • the least one individual rope guiding member 74, 75 is located on the at least one curved elongated rail section 64, and wherein at least one, specifically all, straight elongated rail section 64 is free from said rope guiding structure 52.
  • the first elongated rail structure 30 comprises a plurality of individual rope guiding members 74, 75 located spaced apart on an outer side, in the height direction, of the first elongated rail structure 30, and the first elongated rail structure 30 comprises a plurality of individual rope guiding members 74, 75 located spaced apart on an inner side, in the height direction, of the first elongated rail structure.
  • the rope guiding structure 52 of the first elongated rail structure 30 may in certain example embodiment comprise a separate rope guiding passage 79 for each keder groove 31-34 of said first elongated rail structure 30.
  • the rope guiding structure 52 of the first elongated rail structure 30 comprises a separate rope guiding passage 79 for each keder groove 31-34 of said first elongated rail structure 30, and at least one rope guiding passage 79 is dimensioned for being able to hold and guide two pull ropes 14 simultaneously.
  • two tarpaulins may be mounted from opposite direction into the same keder groove, and the pull ropes 14 attached to the first and second tarpaulins are thus sharing the rope guiding passages 79.
  • Figure 5 shows a perspective view of one example embodiment of the first and second shuttle arrangement 40, 41, each secured to an individual tarpaulin 15, 16 and each connected to an individual pull rope 14.
  • Figure 6 shows a sectional view through an example embodiment of the first shuttle arrangement 40 and figure 10 shows a sectional view an example embodiments of through two first shuttle arrangements 40
  • figure 7A shows an exploded view of an example embodiment of the first shuttle arrangement 40 and figures 12B-C and 13A-B
  • figures 14B, 15B, 16B show sectional views of another example embodiment of first and second shuttle arrangements 40-43.
  • the first shuttle arrangement 40 comprises a first part 81 and a second part 82, wherein the first part 81 is fastened to the first tarpaulin 15 and the second part 82, which includes the rope attachment structure 83, is detachably fastenable to the first part 81.
  • the second part 82 of the first shuttle arrangement 40 may be replaced separately in case of damages or the like, and the first part 81 of the first shuttle arrangement 40 may be reused, together with the first tarpaulin 15.
  • first part 81 may be permanently fastened to the first tarpaulin 15 and the second part 82, for example by means of one or more rivets that extend through the first tarpaulin 15, or by gluing.
  • the first part 81 of the first shuttle arrangement 40 comprises two plates, i.e. first and second plates 84, 85 that are mutually fastened, and the two plates 84, 85 jointly clamps the first tarpaulin 15 between said two plates 84, 85.
  • At least one, specifically both, of said first and second plates 84, 85 have a textured inner contact surface 44, specifically a wavy inner contact surface, facing the first tarpaulin 15. This results in improved grip of the tarpaulin.
  • the rope attachment structure 83 of the first shuttle arrangement 40 comprises a projection 86, such as for example a pin that is configured to be engaged in a hole 87 of an end piece 88 of the pull rope 88, or oppositely.
  • the rope attachment structure 83 may comprise a hole 87
  • an end piece 86 of the pull rope 14 may include a projection 86, such as a pin, that is configured to be engaged in said hole 87.
  • the hole 87 of the end piece 88 may have an oblong shape oriented in a first direction, and the projection 86 of the second part 82 may be T-shaped with an oblong top plate 46 oriented in a direction perpendicular to the first direction, when being arranged in the hole 87 during mounting of a tarpaulin 15. Disconnection of the end piece 88 is accomplished by turning the end piece 90 degrees, such that the oblong shape of the hole 87 of the end piece 88 is aligned with the oblong top plate 46 of the projection 86, because thereby the parts may be disconnected.
  • the second part 82 of the first shuttle arrangement 40 is made primarily of a planar material, specifically sheet metal, such as sheet aluminium or sheet steel.
  • the second part 82 may have a primarily planar shape, and this may be advantageous because it enables and simplifies having a portion of the second part 82 extending into the rope guiding passage of the rope guiding member 74, 75, when the second part 82 passes through the rope guiding member 74, 75, while preventing the pull rope 14 from escaping in a sideways direction from the rope guiding member 74, 75, i.e. in a direction perpendicular to a direction of elongated of the pull rope 14.
  • the second part 82 of the first shuttle arrangement 40 is attached to the first part 81 of the first shuttle arrangement 40 by means of fasteners 89, such as for example threaded members. These fasteners 89 may extend through holes in the first and second parts 81, 82 of the first shuttle arrangement 40.
  • the fasteners 89 enables smooth and convenient replacement of the second part 82 in case of damage, or in case the roof builder wants to shift the side of the tarpaulin 15, on which the second part 82 is attached.
  • the fasteners 89 enables the second part 82 to be selectively and temporarily attached to either the first or second plate 84, 85 of the first part 81.
  • the second part 82 of the first shuttle arrangement 40 may be selectively attached to any one of the two plates 84, 85 of the first part 81 of the first shuttle arrangement 40.
  • the first shuttle arrangement 40 is fastened in a corner region 48-51 of the first tarpaulin 15.
  • the pull force transmitted to the tarpaulin from the pull rope 14 is applied primarily to said corners regions 48-51, which enables efficient transfer of pull force to the adjacent first and second keder chords 38, 39.
  • a maximal extension 90 of the first part 81 of the first shuttle arrangement 40 along any side edge 36-39 of the tarpaulin 15 is less than 25% of the total length 91 of said side edge 36-39of the tarpaulin 15.
  • the rope guiding structure 52 or at least one rope guiding member 74, 75 of the first elongated rail structure 30 has a shape of a closed retainer defining a rope guiding passage 79 through the at least one rope guiding member 74, 75, and the closed retainer has an access opening 80 along its circumference for enabling a portion of the first shuttle arrangement 40, specifically a portion of the second part 82 of the first shuttle arrangement 15, to extend into the rope guiding passage 79 and to pass through the rope guiding structure 52.
  • the access opening 80 of the closed retainer is dimensioned small enough for preventing escape of the pull rope 14 from the rope guiding passage 79 via the access opening 80.
  • Figure 21A shows a top-view of first and second roof support beams 2, 3 in mounted state, and two rail holders 35 of a first elongated rail section 30 are mounted on each of the first and second roof support beams 2, 3.
  • neighbouring roof support beams 2-5 are mutually structurally connected via brazing elements and/or ledgers 6 for defining a rigid framework the forms the roof support structure 1.
  • neighbouring roof support beams 2-5 may be mutually structurally connected by connecting said brazing elements and/or ledgers 6 to the rails holders 35 of the first and second elongated rail structures 30, 62.
  • Figure 21A shows the brazing element 6 while being moved towards the rail holders 25, and figure 21B shows the brazing element 6 after complete connection with the rail holders 25.
  • the roof support structure 1 is provided with increased options for quickly add further structural strength to the roof support structure, if needed, by simply installing some additional quick-coupling brazing elements and/or ledgers 6 between neighbouring first and second roof support beams 2, 3.
  • the brazing element and/or ledger 6 is provided in form of a quick-coupling lattice guard rail, which is a standard component of many scaffold manufacturing companies.
  • the lattice guard rail 6 has four hook-shaped attachments 92 for connecting with the attachment interface 93 of four individual rails holders 35.
  • the lattice guard rail 6 is arranged lying between the neighbouring first and second roof support beams 2, 3, as shown also in figure 1A .
  • the attachment interface 93 of each foot 9 may be provided in form a bracket 95 provided on each side of the foot 9 for enabling attachment of a lattice guard rail 6 to neighbouring roof support beams on both sides. Furthermore, the attachment interface 93 of each foot 9 may be provided with a flat support surface 94 on each side of the foot 9 for engagement with the four hook-shaped attachments 92, thereby providing further improved stability of the finished roof support structure 1.
  • the bracket 95 and flat support surface 94 of the foot 9 is also shows in figure 2 and 18B .
  • the rail holder 35 may in some example embodiments be made of a separate foot 9 that is detachably connected to a separate elongated beam to form the rail holder 35.
  • This design enabling use of the foot alone as a coupling member for connecting brazing elements or scaffold parts to the roof support beam, by means of the attachment interface 93 of the foot 9.
  • the method comprises a first step S1 of providing a first elongated rail structure having a first keder groove and a rope guiding structure; a first tarpaulin having a rectangular form with first and second opposite side edges, wherein the first tarpaulin has a first keder chord located along the first side edge and second keder chord located along the second side edge; and a first shuttle arrangement fastened to the first tarpaulin.
  • the method further comprises a second step S2 of installing a pull rope in the pull rope guiding structure of the first elongated rail structure and attaching the pull rope to a pull rope attachment structure of the first shuttle arrangement.
  • the method further comprises a third step S3 of assembling the first tarpaulin on the first elongated rail structure by pulling the pull rope for slidingly installing the first keder chord in the first keder groove, while holding and guiding the pull rope along the first elongated rail structure at a location outside of the first keder groove by means of the rope guiding structure, and while a portion of the first shuttle arrangement passes through the rope guiding structure of the first elongated rail structure.
  • the method of assembling a keder roof system comprises a first step S10 of providing a first elongated rail structure 30 having a first keder groove 31 and a rope guiding structure 52, and providing a second elongated rail structure 62 having a first keder groove 31 and a rope guiding structure 52.
  • the first step S10 also comprises providing a first tarpaulin 15 having a rectangular form with first and second opposite side edges, wherein the first tarpaulin 15 has a first keder chord 38 located along the first side edge and second keder chord 39 located along the second side edge.
  • the first step S10 of the method further comprises providing a first shuttle arrangement 40 fastened to the first tarpaulin 15, and providing a second shuttle arrangement 41 fastened to the first tarpaulin 15, as well as arranging the first and second elongated rail structures 30, 62 spaced apart side by side and interconnecting the first and second elongated rail structures 30, 62, directly or indirectly via first and second roof support beams 2, 3, using brazing elements and/or ledgers 6 for defining a rigid roof bay.
  • the method further comprises a second step S20 of installing a pull rope 14 in the pull rope guiding structure 52 of the first elongated rail structure 30 and attaching the pull rope 14 to a pull rope attachment structure 83 of the first shuttle arrangement 40, and installing a pull rope 14 in the pull rope guiding structure 52 of the second elongated rail structure 62 and attaching the pull rope 14 to a pull rope attachment structure 83 of the second shuttle arrangement.
  • the method further comprises a third step S30 of assembling the first tarpaulin 15 on the first and second elongated rail structures 30, 62 by simultaneously pulling the pull ropes 14 of the first and second shuttle arrangements 40, 41 for slidingly installing the first keder chord 38 in the first keder groove 31 of the first elongated rail structure 30 and slidingly installing the second keder chord 39 in the first keder groove 31 of the second elongated rail structure 62, while holding and guiding the pull rope 14 of the first shuttle arrangement 40 along the first elongated rail structure 30 at a location outside of the first keder groove 31 by means of the rope guiding structure 52 of the first elongated rail structure 30, and holding and guiding the pull rope 14 of the second shuttle arrangement 41 along the second elongated rail structure 62 at a location outside of the first keder groove 31 by means of the rope guiding structure 52 of the second elongated rail structure 62, while a portion of the first shuttle arrangement 40 passes through the rope guiding structure 52 of the first e
  • tarpaulin refers to a sheet fabric, such as for example a heavy-duty waterproof or non-waterproof cloth or tarp or similar type of piece of sheet material suitable for being used for protecting or covering of exposed objects or areas.
  • the tarpaulin may be made of plastic material, such as fibre-reinforced polymeric material, such as PVC, polyethylene, polyester, etc.
  • the tarpaulin may be made of natural material, such as canvas, cotton, or the like.
  • first and second elongated rail structures 30, 62 shown in the figures have four keder grooves 31-34, but the first and second elongated rail structures 30,62 are not limited to this design, but may alternatively have for example two keder grooves or six keder grooves, or the like.
  • order of the steps of the method claims should not be interpreted as strictly limiting, but merely one option for performing the method, and the method steps may thus be arranged in another order.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Tents Or Canopies (AREA)

Claims (15)

  1. Kederdachsystem, umfassend:
    eine erste längliche Schienenstruktur (30) mit einer ersten Kedernut (31),
    eine erste Plane (15), die eine rechteckige Form mit einem ersten und einem zweiten Seitenrand, die einander gegenüber liegen, aufweist, wobei die erste Plane (15) eine erste Kederschnur (38), die sich entlang des ersten Rands befindet, und eine zweite Kederschnur (39), die sich entlang des zweiten Rands befindet, aufweist, und wobei die erste Kederschnur (38) dazu konfiguriert ist, in die erste Kedernut (31) der ersten länglichen Schienenstruktur (30) eingeführt zu werden und verschiebbar innerhalb dieser bewegbar zu sein, dadurch gekennzeichnet, dass das Kederdachsystem Folgendes umfasst:
    eine erste Zubringeranordnung (40), die an der ersten Plane (15) befestigt ist, wobei die erste Zubringeranordnung (40) eine Seilanbringungsstruktur (83) aufweist, und
    ein Zugseil (14), das dazu konfiguriert ist, an der Seilanbringungsstruktur (83) der ersten Zubringeranordnung (40) angebracht zu werden,
    wobei die erste längliche Schienenstruktur (30) eine Seilführungsstruktur (52) umfasst, die dazu konfiguriert ist, das Zugseil (14) entlang der ersten länglichen Schienenstruktur (30) an einer Stelle außerhalb der ersten Kedernut (31) zu halten und zu führen, und
    wobei das Zugseil (14) und ein Bereich der ersten Zubringeranordnung (40) dazu konfiguriert sind, durch die Seilführungsstruktur (52) der ersten länglichen Schienenstruktur (30) zu gelangen, wenn die erste Plane (15) an der ersten länglichen Schienenstruktur (30) montiert wird.
  2. Kederdachsystem nach Anspruch 1, ferner umfassend:
    eine zweite längliche Schienenstruktur (62) mit einer ersten Kedernut (31), wobei die zweite längliche Schienenstruktur (62) dazu konfiguriert ist, sich neben der ersten länglichen Schienenstruktur (30) zu befinden, um einen Dachbuchtbereich zu definieren, und wobei die zweite Kederschnur (39) dazu konfiguriert ist, in die erste Kedernut (31) der zweiten länglichen Schienenstruktur (62) eingeführt zu werden und verschiebbar innerhalb dieser bewegbar zu sein,
    eine zweite Zubringeranordnung (41), die an der ersten Plane (15) befestigt ist, wobei die zweite Zubringeranordnung (41) eine Seilanbringungsstruktur (83) aufweist,
    ein Zugseil (14), das dazu konfiguriert ist, an der Seilanbringungsstruktur (83) der zweiten Zubringeranordnung (41) angebracht zu werden,
    wobei die zweite längliche Schienenstruktur (62) eine Seilführungsstruktur (52) umfasst, die dazu konfiguriert ist, das Zugseil (14) entlang der zweiten länglichen Schienenstruktur (62) an einer Stelle außerhalb der ersten Kedernut (31) zu halten und zu führen,
    wobei das Zugseil (14) und ein Bereich der zweiten Zubringeranordnung (41) dazu konfiguriert sind, durch die Seilführungsstruktur (52) der zweiten länglichen Schienenstruktur (62) zu gelangen, wenn die erste Plane (15) an der ersten und der zweiten länglichen Schienenstruktur (30, 62) montiert wird, und
    wobei das Kederdachsystem dazu konfiguriert ist, die Zugseile (14) der ersten und der zweiten Zubringeranordnung (40, 41) gleichzeitig zu ziehen, um die erste Plane (15) verschiebbar an der ersten und der zweiten länglichen Schienenstruktur (30, 62) zu installieren.
  3. Kederdachsystem nach einem der vorhergehenden Ansprüche, wobei die erste längliche Schienenstruktur (30) aus einer Vielzahl von länglichen Schienenabschnitten (64) besteht, die an ihren Enden verbunden sind, um gemeinsam die erste längliche Schienenstruktur (30) zu bilden, wobei mindestens ein länglicher Schienenabschnitt (64) der ersten länglichen Schienenstruktur (30) einen Schienenhalter (35), insbesondere zwei, drei oder vier Schienenhalter (35) umfasst, um den länglichen Schienenabschnitt (64) abtrennbar an einem ersten Dachstützbalken zu befestigen, insbesondere an einer vertikalen oberen oder unteren Seite des ersten Dachstützbalkens (2).
  4. Kederdachsystem nach Anspruch 3, wobei der Schienenhalter (35) einen Fuß (9) aufweist, um den länglichen Schienenabschnitt (64) abtrennbar an dem ersten Dachstützbalken (2) zu befestigen, und wobei sich eine Kontaktfläche des Fußes in einer Entfernung von mindestens 10 cm, konkret mindestens 25 cm, konkreter in einem Bereich von 10-150 cm, von der ersten Kedernut (31) beabstandet befindet.
  5. Kederdachsystem nach einem der vorhergehenden Ansprüche, wobei die erste längliche Schienenstruktur (30) einstückig in einem ersten Dachstützbalken (2) gebildet ist.
  6. Kederdachsystem nach einem der vorhergehenden Ansprüche, wobei die Seilführungsstruktur (52) der ersten länglichen Schienenstruktur (30) mindestens ein einzelnes Schienenführungselement (74, 75) umfasst, das sich an einem länglichen Schienenabschnitt (64) befindet, insbesondere zwei, drei, vier oder fünf einzelne Seilführungselemente (74, 75), die in Längsrichtung entlang der länglichen Schienenstruktur (30) beabstandet sind.
  7. Kederdachsystem nach einem der vorhergehenden Ansprüche, wobei die erste längliche Schienenstruktur (30) an jedem Punkt entlang ihrer Länge eine Ausdehnung in einer Längserstreckungsrichtung, einer Seitenrichtung, die in einer Ebene des angestrebten Dachs und senkrecht zu der Längserstreckungsrichtung verläuft, und eine Höhenrichtung, die senkrecht zu sowohl der Längserstreckungsrichtung als auch der Seitenrichtung verläuft, aufweist, wobei die erste längliche Schienenstruktur (30) die erste und die zweite Kedernut (31, 32) aufweist, die sich auf einer ersten seitlichen Seite der ersten länglichen Schienenstruktur (30) befinden und in der Höhenrichtung zueinander versetzt sind, und wobei die erste längliche Struktur (30) eine dritte und eine vierte Kedernut (33, 34) aufweist, die sich auf einer zweiten seitlichen Seite der ersten länglichen Schienenstruktur (30) gegenüber der ersten seitlichen Seite befinden und in der Höhenrichtung zueinander versetzt sind, sodass auf jeder seitlichen Seite der ersten länglichen Schienenstruktur (30) zwei einzelne Planen (15, 16) in einer überlappenden Anordnung montiert werden können.
  8. Kederdachsystem nach Anspruch 7, wobei die Seilführungsstruktur (52) der ersten länglichen Schienenstruktur (30) Folgendes umfasst:
    einen ersten Seilführungsbereich, der sich benachbart zu der ersten Kedernut (31) befindet und dazu konfiguriert ist, ein Zugseil (14), das mit einer ersten Plane (15) verbunden ist, die in der ersten Kedernut (31) montiert ist, zu ziehen,
    einen zweiten Seilführungsbereich, der sich benachbart zu der zweiten Kedernut (32) befindet und dazu konfiguriert ist, ein Zugseil (14), das mit einer zweiten Plane (16) verbunden ist, die in der zweiten Kedernut (32) montiert ist, zu ziehen,
    einen dritten Seilführungsbereich, der sich benachbart zu der dritten Kedernut (33) befindet und dazu konfiguriert ist, ein Zugseil (14), das mit einer dritten Plane (17) verbunden ist, die in der dritten Kedernut (33) montiert ist, zu ziehen, und
    einen vierten Seilführungsbereich, der sich benachbart zu der vierten Kedernut (34) befindet und dazu konfiguriert ist, ein Zugseil (14), das mit einer vierten Plane (57) verbunden ist, die in der vierten Kedernut (34) montiert ist, zu ziehen.
  9. Kederdachsystem nach einem der vorhergehenden Ansprüche, wobei die erste Zubringeranordnung (40) einen ersten Teil (81) und einen zweiten Teil (82) umfasst, wobei der erste Teil (81) an der ersten Plane (15) befestigt ist und wobei der zweite Teil (82), der die Seilanbringungsstruktur (83) beinhaltet, abtrennbar an dem ersten Teil (81) befestigbar ist.
  10. Kederdachsystem nach Anspruch 9, wobei der erste Teil (81) der ersten Zubringeranordnung (40) zwei Platten (84, 85) umfasst, die gegenseitig befestigt sind, und die zwei Platten (84, 85) die erste Plane (15) gemeinsam zwischen den beiden Platten (84, 85) einklemmen.
  11. Kederdachsystem nach Anspruch 10, wobei mindestens eine, konkreter beide, der Platten (84, 85) eine texturierte Innenkontaktfläche, konkret eine gewellte Innenkontaktfläche, aufweisen, die der ersten Plane (15) zugewandt ist.
  12. Kederdachsystem nach einem der vorhergehenden Ansprüche 10 bis 11, wobei der zweite Teil (82) der ersten Zubringeranordnung (40) selektiv an einer der zwei Platten (84, 85) des ersten Teils der ersten Zubringeranordnung (40) angebracht werden kann.
  13. Kederdachsystem nach einem der vorhergehenden Ansprüche 6 bis 12, wobei das mindestens eine Seilführungselement (74, 75) der ersten länglichen Schienenstruktur (30) eine Form eines geschlossenen Haltstücks aufweist, das einen Seilführungsdurchlass (79) durch das mindestens eine Seilführungselement definiert, wobei das geschlossene Haltestück entlang seines Umfangs eine Zugangsöffnung (80) aufweist, um einem Bereich der ersten Zubringeranordnung (40), konkret einem Bereich des zweiten Teils (82) der Zubringeranordnung, zu ermöglichen, sich in den Seilführungsdurchlass (79) zu erstrecken und durch die Seilführungsstruktur (52) zu gelangen.
  14. Kederdachsystem nach Anspruch 13, wobei die Zugangsöffnung (80) des geschlossenen Haltestücks klein genug bemessen ist, um ein Entkommen des Zugseils (14) aus dem Seilführungsdurchlass über die Zugangsöffnung zu verhindern.
  15. Verfahren zum Zusammenbauen eines Kederdachsystems, wobei das Verfahren Folgendes umfasst:
    Bereitstellen einer ersten länglichen Schienenstruktur (30), die eine erste Kedernut (31) und eine Seilführungsstruktur (52) aufweist; einer erste Plane (15), die eine rechteckige Form mit einem ersten und einem zweiten Seitenrand, die einander gegenüber liegen, aufweist, wobei die erste Plane (15) eine erste Kederschnur (38), die sich entlang des ersten Rands befindet, und eine zweite Kederschnur (39), die sich entlang des zweiten Rands befindet, aufweist, und einer ersten Zubringeranordnung (40), die an der ersten Plane (15) befestigt ist;
    Installieren eines Zugseils (14) in der Seilführungsstruktur (52) der ersten länglichen Schienenstruktur (30) und Anbringen des Zugseils (14) an einer Zugseilanbringungsstruktur (83) der ersten Zubringeranordnung (40);
    Anfügen der ersten Plane (15) an die erste längliche Schienenstruktur (30) durch Ziehen des Zugseils (14) zum verschiebbaren Installieren der ersten Kederschnur (38) in der ersten Kedernut (31), während das Zugseil (14) entlang der ersten länglichen Schienenstruktur (30) mittels der Seilführungsstruktur (52) an einer Stelle außerhalb der ersten Kedernut (31) gehalten und geführt wird und während ein Bereich der ersten Zubringeranordnung (40) durch die Seilführungsstruktur (52) der ersten länglichen Schienenstruktur (30) gelangt.
EP23729686.8A 2022-05-25 2023-05-24 Kederdachsystem Active EP4532865B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE2250628A SE546173C2 (en) 2022-05-25 2022-05-25 A keder roof system comprising a pull rope and rope guiding structure and a method for assembling said keder system
PCT/EP2023/063970 WO2023227684A1 (en) 2022-05-25 2023-05-24 A keder roof system

Publications (3)

Publication Number Publication Date
EP4532865A1 EP4532865A1 (de) 2025-04-09
EP4532865B1 true EP4532865B1 (de) 2025-12-10
EP4532865C0 EP4532865C0 (de) 2025-12-10

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EP (1) EP4532865B1 (de)
CN (1) CN119234074A (de)
AU (1) AU2023274927A1 (de)
CA (1) CA3253063A1 (de)
SE (1) SE546173C2 (de)
WO (1) WO2023227684A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2726426A1 (de) * 1977-06-11 1978-12-21 Losberger Kg Plane, insbesondere dachplane fuer zeltgerueste
DE19526197A1 (de) * 1995-07-18 1997-01-23 Waco Wackerbauer & Co Dachanordnung mit Planen und einer Mehrzahl die Planen zwischen sich aufnehmender Gitterträger sowie Gitterträger für eine derartige Dachanordnung
JP2987320B2 (ja) * 1995-11-17 1999-12-06 丸藤シートパイル株式会社 仮設テントにおけるシートの開閉機構
US20120180838A1 (en) * 2011-01-13 2012-07-19 Robert Stafford Method of erecting portable structure and related apparatus
NL2019017B1 (nl) * 2017-06-02 2018-12-11 Rico Sport & Vastgoed B V Overkapping voor het selectief overkappen van een oppervlak

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AU2023274927A1 (en) 2024-12-05
WO2023227684A1 (en) 2023-11-30
CA3253063A1 (en) 2023-11-30
SE546173C2 (en) 2024-06-18
EP4532865C0 (de) 2025-12-10
EP4532865A1 (de) 2025-04-09
SE2250628A1 (sv) 2023-11-26
CN119234074A (zh) 2024-12-31

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