EP3851610A1 - Awning system - Google Patents

Awning system Download PDF

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Publication number
EP3851610A1
EP3851610A1 EP21151269.4A EP21151269A EP3851610A1 EP 3851610 A1 EP3851610 A1 EP 3851610A1 EP 21151269 A EP21151269 A EP 21151269A EP 3851610 A1 EP3851610 A1 EP 3851610A1
Authority
EP
European Patent Office
Prior art keywords
front strip
roller body
awning system
locking
guides
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.)
Granted
Application number
EP21151269.4A
Other languages
German (de)
French (fr)
Other versions
EP3851610B1 (en
EP3851610C0 (en
Inventor
Dan NAE
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.)
Alcre BV
Original Assignee
Alcre BV
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 Alcre BV filed Critical Alcre BV
Publication of EP3851610A1 publication Critical patent/EP3851610A1/en
Application granted granted Critical
Publication of EP3851610B1 publication Critical patent/EP3851610B1/en
Publication of EP3851610C0 publication Critical patent/EP3851610C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0607Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with guiding-sections for supporting the movable end of the blind
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0603Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with telescopic arms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • E04F10/0655Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind acting on the movable end, e.g. front bar
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0666Accessories
    • E04F10/0681Support posts for the movable end of the blind
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0692Front bars

Definitions

  • the present invention relates to an awning system comprising:
  • the aim in practice is to roll up the cloth if rain is expected soon, which means that the front strip will end up in the first, non-shading, position.
  • the abovementioned tendency will be less pronounced if the cloth is tensioned more tightly.
  • this tensile stress is generated, for example, by means of draw springs which form part of a rope system and are incorporated in the front strip, with the ropes not only running through the front strip, but also through, or at least along, the guides.
  • European publication EP 2722460 A1 describes an awning system in which use is made of an electromagnet for operating a hook which, in a position thereof, engages with an engagement element which forms part of a slidable carrier.
  • the use of the electromagnet results in a reduced operational reliability, in particular because the electronics are sensitive to moisture such as may result from rainfall.
  • the awning system according to the invention comprises at least one locking mechanism which is configured to lock the front strip in the second position, and the control means are configured to actuate the drive means in such a way that the cloth is subjected to tensile stress while the locking mechanism locks the front strip in the second position.
  • the use of such a locking mechanism makes it possible to build up a relatively high tensile stress in the cloth, in which case the tensile stress in the cloth does not depend on a spring. As a result thereof, the risk of the cloth sagging in the second, shading, position of the front strip can be reduced.
  • the at least one locking mechanism comprises a combination of a first locking body and a second locking body which are configured to cooperate in a locking manner
  • the control means are configured to actuate the drive means in such a way that, during the displacement from the first position to the second position, the front strip, in order to tension the cloth in the second position of the front strip, initially passes the second position to a limited extent and assumes a third position and subsequently moves back to the second position from the third position, wherein the locking mechanism is configured to not yet be active in a locking manner while the front strip passes the second position and to be active in a locking manner when it reaches the third position from the second position.
  • control means are configured in such a way that, when being displaced from the second position, while the locking mechanism is active, to the first position, to first displace the front strip from the second position in the direction of the third position towards a fourth position, as a result of which displacement, the locking activity of the locking mechanism is cancelled and to subsequently displace the front strip from the fourth position to the first position.
  • an automatic unlocking of the locking mechanism may take place, which unlocking is necessary in order to displace the front strip from the second position to the first position.
  • a highly reliable and, in addition, relatively simple embodiment for automatically locking the locking mechanism may be obtained if the first locking body is provided with a cam track and the second locking body is provided with a cam which cam and cam track are configured to allow the cam along at least a first part of the cam track due to the displacement of the front strip from the first position to the second position via the third position, wherein the cam bears against a locking part of the cam track as soon as the front strip has reached the second position from the third position.
  • a further improvement may be achieved if the cam and the cam track are configured to allow the cam to move from the locking part along at least a second part of the cam track due to the displacement of the front strip from the second position to the first position via the fourth position, wherein the first part of the cam track preferably differs from the second part of the cam track. In this way, an automatic unlocking of the locking mechanism in a reliable manner may take place.
  • the cam and/or the cam track is preferably pivotable, more preferably pivotable to and fro, about a pivot axis.
  • the awning system can be used in a very satisfactory manner above an existing glass canopy.
  • the awning system may also be used as a stand-alone sunblind.
  • the system furthermore comprises two posts for supporting the two respective guides at their respective second ends.
  • the guides may then be connected to a facade of a building near their first ends or may also be supported by posts at their first ends.
  • the awning system may in particular be provided in a very satisfactory manner as a system which is suitable for different extension lengths, if the at least one elongate flexible transmission member is, at one end thereof, connected to the front strip and, at a second end of the transmission member which is situated opposite the first end of the transmission member, is connected to the at least one second roller body, wherein, in the first position of the front strip, the transmission member is wound around the associated second roller body to a first degree along a second winding direction which is opposite to the first winding direction, and, in the second position of the front strip, the transmission member is wound around the associated second roller body to a second degree, which is greater than the first degree, in the second winding direction, if the at least one elongate flexible transmission member is belt-like and/or if the at least one elongate flexible transmission member is wound around two mutually displaceable, preferably slidable, rotating members and the awning system comprises a spring member which is active between the two rotating members.
  • the abovementioned spring member is preferably a gas spring, in particular because the spring constant thereof can be more independent than that of a mechanical compression spring.
  • the spring member extends in a profiled section which also comprises one of the guides.
  • one of the two rotating members is fixedly connected to an associated guide and the other rotating member is displaceable, preferably slidable, with respect to this associated guide, as a result of which the position of the respective rotating members with respect to the associated guide can be controlled in a satisfactory manner.
  • this invention involves an awning system comprising
  • Figs. 1 and 2 show an awning system 1 in an unwound, shading position.
  • the system 1 comprises a cassette 26, guide profiles 2, 3 which are supported by posts 4, a sunshade cloth 5 and a front strip 6.
  • the cassette 26, guide profiles 2, 3, posts 4 and front strip 6 are made of aluminium, but may also be made of a different kind of material.
  • the cassette 26 is attached to a fixed structure (not shown in any more detail) such as the façade of a house.
  • the guide profiles 2, 3 are inclined downwards from the structure and make an angle of approximately 10 degrees with a horizontal plane.
  • the guide profiles 2, 3 are mutually connected by at least one horizontal cross beam (not shown in any more detail) which extends at right angles to the guide profiles 2, 3 below and is connected to the guide profiles at its ends.
  • Such a cross beam may also comprise lighting, such as LED spotlights.
  • One edge of cloth 5 is connected to winding mechanism 27 and the opposite edge is connected to the front strip 6.
  • the cloth 5 is made of polyacrylate, P
  • system 1 furthermore comprises a gas spring 17, and a transmission member which is configured as a nylon band 10.
  • the winding mechanism 27 is accommodated inside the cassette 26.
  • Winding mechanism 27 comprises a tubular roller body 7 around which the cloth 5 is wound in a first winding direction in case the awning system is in the non-shading position, contrary to Figs. 1 and 2 .
  • the winding mechanism 27 comprises a concentric annular winding body 11 which is rigidly connected to the ends of the roller body 7.
  • System 1 is at least substantially symmetrical, as a result of which the left-hand side and right-hand side of awning system 1 are identical.
  • tube of the roller body 7 of winding mechanism 27 is provided with a tube motor 12, i.e. an electromotor, preferably a servomotor.
  • Tube motor 12 has a dedicated control unit which can be programmed.
  • the tube motor 12, more specifically the control unit thereof, receives wireless command signals from a remote control 16.
  • each nylon band 10 is connected to a slide 14 and at the other end to a winding body 11 around which the band 10 is wound between two retaining discs 30, a part of its length being wound in a second winding direction which is opposite to the abovementioned first winding direction of cloth 5.
  • Each band 10 is successively wound around pulleys 31a, 31b, 31c, 31d ( Fig. 3 ), 28a and 28b ( Fig. 4 ), viewed from the associated winding body 11.
  • Pulleys 31a, 31c and 31 d are mounted with respect to a bearing body 41 which is fixedly fitted inside and to the associated guide profile 2, 3.
  • Pulley 31b is mounted with respect to a bearing body 42 which is rigidly provided at the end of the piston rod of a gas spring 17.
  • Bearing body 42 is furthermore provided with a guide body 43 which cooperates with a guide (not shown in any more detail) inside the associated guide profile 2, 3. In this way, the bearing body 42 can slide to and fro in the length direction of the associated guide profile.
  • the gas spring 17 is attached to the bearing body 41 by its end which is situated opposite bearing body 42.
  • Pulleys 28a and 28b are mounted with respect to a bearing body 13 ( Fig. 4 ), each of which are provided at the ends of the guide profiles 2, 3 situated opposite winding bodies 11 and are rigidly connected thereto.
  • Slides 14 are each provided with a groove 15 which is configured to cooperate in a guiding manner with a guide edge (not shown in any more detail) inside the associated guide profile 2, 3.
  • Figs. 5 , 6 and 7 show a locking mechanism such as the awning system 1 is provided therewith at each of the ends of each guide profile 2, 3 situated opposite winding bodies 11.
  • Each of the two locking mechanisms comprises a drop-shaped swing body 18 which can pivot to and fro about vertical pivot axis 20 with respect to an associated bearing body 13.
  • Each swing body is 18 provided with a pin 21 opposite pivot axis 20.
  • Each locking mechanism furthermore comprises a locking body 33, the top surface of which is provided with a cam track.
  • the cam track comprises a funnel-shaped opening 34, adjoining cam track sections 22, 23, 24 and 25 and end positions 36, 37, 38 which are situated between said cam track sections and where the direction of the cam track always reverses.
  • the locking bodies 33 are rigidly connected to the front strip 6, more specifically via end caps 29 which are provided at the mutually opposite ends of the front strip 6.
  • the front strip 6 is in a shading position
  • the front strip 6 in Fig. 5 is in the non-shading position (outside Fig. 5 ), in which front strip 6 closes-off cassette 26, so that the winding mechanism 27 inside the cassette 26 is protected.
  • the operation of awning system 1 will be described below.
  • the starting situation is one in which the cloth 5 is wound around roller body 7 virtually completely and in which the front strip 6 is in the non-shading position and closes off cassette 26.
  • the bands 10 are then unwound virtually completely from the associated winding bodies 11, because slides 14 which are rigidly connected to the front strip 6 are also close to the cassette 26 and because the bands 10 have been fitted around the pulleys 28a, 28b above posts 4.
  • tube motor 12 By means of remote control 16, tube motor 12, more specifically its control unit, is actuated to rotate roller body 7 and thus also winding bodies 11 in the direction 61 ( Fig. 3 ).
  • the bands 10 will be wound around winding bodies 11 and the front strip 6 will be pulled in the direction of the posts 4 by the bands 10, as a result of which the cloth 5 is unwound from the roller body 7.
  • the slides 14, more specifically their grooves 15, cooperate with the guides in the guide profiles 2, 3.
  • the diameter of the cloth 5 which is still wound around roller body 7 will decrease and the diameters of the bands 10 which are wound around the winding bodies 11 will, by contrast, increase.
  • the winding directions of the cloth 5 on the one hand and the bands 10 on the other hand are opposite to each other.
  • the gas springs 17 will first become longer and will become shorter as soon as the diameters of the wound bands 10 become larger than the diameter of the wound cloth 5, in which case the distance between pulleys 31b on the one hand and pulleys 31d on the other hand varies.
  • tube motor 12 is programmed to reverse the direction of rotation of roller body 7 for a short time, so that roller body 7 rotates in direction 62 ( Fig. 3 ).
  • cloth 5 is to a certain degree wound onto the roller body 7 again and the bands 10 are, by contrast, unwound from winding bodies 11 to a limited degree.
  • Pin 21 will then touch flank 40 of cam track section 23 and follow cam track section 23 further until pin 21 touches end position 37.
  • the front strip 7 is situated in the second, shading, position within the definitions of the following claims.
  • tube motor 12 is programmed to cause roller body 7 to rotate further in direction 62 to a limited degree, so that the cloth 5 is tensioned to a desired degree.
  • tube motor 12 is programmed to assume a blocking position, so that the tensile stress in the cloth 5 is maintained. Gas springs 17 do not contribute in any way to keep the cloth 5 tensioned.
  • the tube motor 12 is programmed to rotate roller body 7 in direction 61, based on a control signal from the remote control 16, as a result of which pin 21 will touch flank 39 of cam track section 24 and follows cam track section 24 until just before the moment when pin 21 is due to reach end position 38. Subsequently, the programming of tube motor 12 will ensure that roller body 7 rotates in direction 62, as a result of which pin 21 will follow cam track section 25 and will leave the cam track via funnel 34. Further rotation of roller body 7 in direction 62 will furthermore result in the front strip returning to the original non-shading position, after which the tube motor 12 is programmed to stop.
  • awning system 1 should not be interpreted as being limiting for the invention, since numerous other embodiments are also possible without departing from the scope of the invention.
  • an awning system according to the invention may, for example, also be free-standing in order, for example, to create a shelter from sunshine and/or rain.
  • system 1 is supported by posts 4 at both ends of the guides 2, 3.
  • the awning system 1 may also be installed above a(n existing) transparent canopy by means of installation means, as a result of which posts 4 are obsolete.
  • the awning system is very suitable to maintain a relatively high tension in the cloth thereof, as a result of which the risk of sagging is limited and the awning system is even more suitable to serve as protection from rain.
  • Fig. 8 Components which correspond to components in Fig. 3 are denoted by the same reference numerals.
  • the bearing bodies 141a and 141b are fixedly fitted inside and to the associated guide profiles 2, 3.
  • Pulley 131a is mounted with respect to bearing body 141a and pulley 131b is mounted with respect to bearing body 141b.
  • Pulley 131d is mounted with respect to bearing body 142 which is slidable with respect to the associated guide profiles 2, 3 in a reciprocating manner.
  • a pulley such as pulley 31c in Fig. 3 is absent.
  • a guidewheel 132 for belt 10 is provided and is rotatably mounted with respect to bearing body 141b.
  • the variant from Fig. 8 has the advantage that a tensile stress generated in the band 10 by the excitation of electromotor 12 will be passed onto the slides 14 more smoothly, as a result of which the displacement of cloth 5 from the non-shading position to the shading position may also be smoother.
  • this advantage is also useful if no locking mechanism as explained by means of Figs. 5 , 6 and 7 were to be used.
  • the cloth 5 slopes in the shading position of the front strip 6, it is also possible to use the invention with an awning system in which the cloth does not slope in the shading position, but is oriented horizontally.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Awnings And Sunshades (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

The invention provides an awning system, comprising:- a tubular first roller body with an axis,- a front strip,- a cloth, which is connected, on a first side, to the roller body and which is connected, on a second side which is situated opposite the first side, to the front strip,- two elongate guides which extend parallel to each other and which enclose an angle with the horizontal, wherein the front strip extends between the two guides and the front strip is guidable by the guides between a first, non-shading, position and a second, shading, position,- at least one second roller body which is provided concentrically with respect to the first roller body and is rigidly connected to the first roller body for joint rotation about the axis,- at least one elongate flexible transmission member which is connected to the front strip and is wrapped around one of the at least one second roller body,- drive means for rotatably driving the first roller body and the second roller body about the axis, and- control means for controlling the drive means.The awning system comprises furthermore at least one locking mechanism which is configured to lock the front strip in the second position. The control means are configured to actuate the drive means in such a way that the cloth is subjected to tensile stress while the locking mechanism locks the front strip in the second position.

Description

  • The present invention relates to an awning system comprising:
    • a tubular first roller body with an axis,
    • a front strip,
    • a cloth which is connected, on a first side, to the roller body and which is connected, on a second side which is situated opposite the first side, to the front strip,
    • two elongate guides which extend parallel to each other and which enclose an angle with the horizontal of between 0 and 25 degrees, wherein the front strip extends between the two guides and the front strip is guidable by the guides between a first, non-shading, position situated at first ends of the two guides, in which first position the cloth is wound, at least largely, around the roller body in a first winding direction, and a second, shading, position situated at second ends of the two guides which are situated opposite the respective first ends of the two guides, in which second position the cloth is at least largely unwound from the roller body,
    • at least one second roller body which is provided concentrically with respect to the first roller body and is rigidly connected to the first roller body for joint rotation about the axis,
    • at least one elongate flexible transmission member which is connected to the front strip and is wrapped around one of the at least one second roller body,
    • drive means for rotatably driving the first roller body and the second roller body about the axis, and
    • control means for controlling the drive means.
  • Various embodiments of such awning systems are known. In particular as the front strip performs a larger transition from the first, non-shading, position to the second, shading, position, the cloth, in the second, shading, position of the front strip, will have a greater tendency to sag, which is visually undesirable. Said tendency increases as the cloth becomes heavier, which may be the case, in particular, when it rains. By making the cloth slope in the second, shading, position, rainwater may in principle run off the cloth. However, if the cloth sags, the rainwater will remain on the cloth and actually aggravate the sagging of the cloth. Partly for this reason, the aim in practice is to roll up the cloth if rain is expected soon, which means that the front strip will end up in the first, non-shading, position. The abovementioned tendency will be less pronounced if the cloth is tensioned more tightly. With known blind systems, this tensile stress is generated, for example, by means of draw springs which form part of a rope system and are incorporated in the front strip, with the ropes not only running through the front strip, but also through, or at least along, the guides.
  • European publication EP 2722460 A1 describes an awning system in which use is made of an electromagnet for operating a hook which, in a position thereof, engages with an engagement element which forms part of a slidable carrier. The use of the electromagnet results in a reduced operational reliability, in particular because the electronics are sensitive to moisture such as may result from rainfall.
  • It is now an object of the invention to provide an awning system according to the preamble, by means of which a higher tensile stress can be produced in the cloth while the front strip is in the second, shading, position. To this end, the awning system according to the invention comprises at least one locking mechanism which is configured to lock the front strip in the second position, and the control means are configured to actuate the drive means in such a way that the cloth is subjected to tensile stress while the locking mechanism locks the front strip in the second position. The use of such a locking mechanism makes it possible to build up a relatively high tensile stress in the cloth, in which case the tensile stress in the cloth does not depend on a spring. As a result thereof, the risk of the cloth sagging in the second, shading, position of the front strip can be reduced.
  • In one embodiment, the at least one locking mechanism comprises a combination of a first locking body and a second locking body which are configured to cooperate in a locking manner, wherein the control means are configured to actuate the drive means in such a way that, during the displacement from the first position to the second position, the front strip, in order to tension the cloth in the second position of the front strip, initially passes the second position to a limited extent and assumes a third position and subsequently moves back to the second position from the third position, wherein the locking mechanism is configured to not yet be active in a locking manner while the front strip passes the second position and to be active in a locking manner when it reaches the third position from the second position. By means of such an embodiment, it is possible to achieve a highly reliable locking of the front strip.
  • According to one embodiment, the control means are configured in such a way that, when being displaced from the second position, while the locking mechanism is active, to the first position, to first displace the front strip from the second position in the direction of the third position towards a fourth position, as a result of which displacement, the locking activity of the locking mechanism is cancelled and to subsequently displace the front strip from the fourth position to the first position. In this way, an automatic unlocking of the locking mechanism may take place, which unlocking is necessary in order to displace the front strip from the second position to the first position.
  • A highly reliable and, in addition, relatively simple embodiment for automatically locking the locking mechanism may be obtained if the first locking body is provided with a cam track and the second locking body is provided with a cam which cam and cam track are configured to allow the cam along at least a first part of the cam track due to the displacement of the front strip from the first position to the second position via the third position, wherein the cam bears against a locking part of the cam track as soon as the front strip has reached the second position from the third position.
  • In this case, a further improvement may be achieved if the cam and the cam track are configured to allow the cam to move from the locking part along at least a second part of the cam track due to the displacement of the front strip from the second position to the first position via the fourth position, wherein the first part of the cam track preferably differs from the second part of the cam track. In this way, an automatic unlocking of the locking mechanism in a reliable manner may take place.
  • The cam and/or the cam track is preferably pivotable, more preferably pivotable to and fro, about a pivot axis.
  • Orienting the pivot axis vertically offers the advantage that the force of gravity does not have to have an effect on the position of the cam or cam track.
  • The awning system can be used in a very satisfactory manner above an existing glass canopy. Alternatively, the awning system may also be used as a stand-alone sunblind. For said use, it may be advantageous if the system furthermore comprises two posts for supporting the two respective guides at their respective second ends. The guides may then be connected to a facade of a building near their first ends or may also be supported by posts at their first ends.
  • The awning system may in particular be provided in a very satisfactory manner as a system which is suitable for different extension lengths, if the at least one elongate flexible transmission member is, at one end thereof, connected to the front strip and, at a second end of the transmission member which is situated opposite the first end of the transmission member, is connected to the at least one second roller body, wherein, in the first position of the front strip, the transmission member is wound around the associated second roller body to a first degree along a second winding direction which is opposite to the first winding direction, and, in the second position of the front strip, the transmission member is wound around the associated second roller body to a second degree, which is greater than the first degree, in the second winding direction, if the at least one elongate flexible transmission member is belt-like and/or if the at least one elongate flexible transmission member is wound around two mutually displaceable, preferably slidable, rotating members and the awning system comprises a spring member which is active between the two rotating members.
  • The abovementioned spring member is preferably a gas spring, in particular because the spring constant thereof can be more independent than that of a mechanical compression spring.
  • From the point of view of ease of installation, it is furthermore preferred if the spring member extends in a profiled section which also comprises one of the guides.
  • In a further embodiment, one of the two rotating members is fixedly connected to an associated guide and the other rotating member is displaceable, preferably slidable, with respect to this associated guide, as a result of which the position of the respective rotating members with respect to the associated guide can be controlled in a satisfactory manner.
  • If the slidable rotating member extends between the rotating member, which is fixedly connected to the associated guide, and an associated second roller body, it is possible to achieve an advantageous transmission of force if the at least one elongate flexible transmission member is subjected to a tensile load in order to take the cloth to the shading position. This advantage is also useful when there is no locking mechanism. Thus, this invention involves an awning system comprising
    • a tubular first roller body with an axis,
    • a front strip,
    • a cloth which connected, on a first side, to the roller body and which is connected, on a second side which is situated opposite the first side, to the front strip,
    • two elongate guides which extend parallel to each other and which enclose an angle with the horizontal of between 0 and 25 degrees, wherein the front strip extends between the two guides and the front strip is guidable by the guides between a first, non-shading, position situated at first ends of the two guides, in which first position the cloth is wound, at least largely, around the roller body in a first winding direction, and a second, shading, position situated at second ends of the two guides which are situated opposite the respective first ends of the two guides, in which second position the cloth is at least largely unwound from the roller body,
    • at least one second roller body which is provided concentrically with respect to the first roller body and is rigidly connected to the first roller body for joint rotation about the axis,
    • at least one elongate flexible transmission member which is connected to the front strip and is wrapped around one of the at least one second roller body,
    • drive means for rotatably driving the first roller body and the second roller body about the axis,
    • control means for controlling the drive means,
    wherein, furthermore, the at least one elongate flexible transmission member is fitted around two mutually displaceable rotating members and the awning system comprises a spring member which is active between the two rotating members and one of the two rotating members is fixedly connected to an associated guide and the other rotating member is displaceable with respect to this associated guide and wherein, furthermore, the slidable rotating member extends between the rotating member, which is fixedly connected to the associated guide, and an associated second roller body.
  • The invention will be explained in more detail by means of the description of a possible embodiment of a system according to the invention with reference to the following figures, in which:
    • Fig. 1 shows an isometric view of an embodiment of an awning system according to the invention.
    • Fig. 2 shows an isometric view of the awning system from Fig. 1, in which parts of the awning system have not been illustrated for the sake of clarity.
    • Fig. 3 shows an isometric view and the circled portion 8 from Fig. 2 in more detail.
    • Fig. 4 shows an isometric view and the circled portion 9 from Fig. 2 in more detail.
    • Fig. 5 shows an isometric view of a first portion of a locking mechanism forming part of the awning system according to the invention.
    • Fig. 6 shows a top view of a second portion of the locking mechanism.
    • Fig. 7 shows a horizontal cross section of the locking mechanism.
    • Fig. 8 shows a detail similar to that from Fig. 3 of an alternative embodiment of an awning system according to the invention.
  • Figs. 1 and 2 show an awning system 1 in an unwound, shading position. The system 1 comprises a cassette 26, guide profiles 2, 3 which are supported by posts 4, a sunshade cloth 5 and a front strip 6. The cassette 26, guide profiles 2, 3, posts 4 and front strip 6 are made of aluminium, but may also be made of a different kind of material. The cassette 26 is attached to a fixed structure (not shown in any more detail) such as the façade of a house. The guide profiles 2, 3 are inclined downwards from the structure and make an angle of approximately 10 degrees with a horizontal plane. The guide profiles 2, 3 are mutually connected by at least one horizontal cross beam (not shown in any more detail) which extends at right angles to the guide profiles 2, 3 below and is connected to the guide profiles at its ends. Such a cross beam may also comprise lighting, such as LED spotlights. One edge of cloth 5 is connected to winding mechanism 27 and the opposite edge is connected to the front strip 6. The cloth 5 is made of polyacrylate, PVC, glass fibre or another kind of cloth-like material.
  • On the side of each guide 2, 3, system 1 furthermore comprises a gas spring 17, and a transmission member which is configured as a nylon band 10. The winding mechanism 27 is accommodated inside the cassette 26. Winding mechanism 27 comprises a tubular roller body 7 around which the cloth 5 is wound in a first winding direction in case the awning system is in the non-shading position, contrary to Figs. 1 and 2. Furthermore, for each of the two bands 10, the winding mechanism 27 comprises a concentric annular winding body 11 which is rigidly connected to the ends of the roller body 7. System 1 is at least substantially symmetrical, as a result of which the left-hand side and right-hand side of awning system 1 are identical.
  • Furthermore, the tube of the roller body 7 of winding mechanism 27 is provided with a tube motor 12, i.e. an electromotor, preferably a servomotor. Tube motor 12 has a dedicated control unit which can be programmed. The tube motor 12, more specifically the control unit thereof, receives wireless command signals from a remote control 16.
  • At one end, each nylon band 10 is connected to a slide 14 and at the other end to a winding body 11 around which the band 10 is wound between two retaining discs 30, a part of its length being wound in a second winding direction which is opposite to the abovementioned first winding direction of cloth 5. Each band 10 is successively wound around pulleys 31a, 31b, 31c, 31d (Fig. 3), 28a and 28b (Fig. 4), viewed from the associated winding body 11.
  • Pulleys 31a, 31c and 31 d are mounted with respect to a bearing body 41 which is fixedly fitted inside and to the associated guide profile 2, 3. Pulley 31b is mounted with respect to a bearing body 42 which is rigidly provided at the end of the piston rod of a gas spring 17. Bearing body 42 is furthermore provided with a guide body 43 which cooperates with a guide (not shown in any more detail) inside the associated guide profile 2, 3. In this way, the bearing body 42 can slide to and fro in the length direction of the associated guide profile. The gas spring 17 is attached to the bearing body 41 by its end which is situated opposite bearing body 42.
  • Pulleys 28a and 28b are mounted with respect to a bearing body 13 (Fig. 4), each of which are provided at the ends of the guide profiles 2, 3 situated opposite winding bodies 11 and are rigidly connected thereto. Slides 14 are each provided with a groove 15 which is configured to cooperate in a guiding manner with a guide edge (not shown in any more detail) inside the associated guide profile 2, 3.
  • Figs. 5, 6 and 7 show a locking mechanism such as the awning system 1 is provided therewith at each of the ends of each guide profile 2, 3 situated opposite winding bodies 11. Each of the two locking mechanisms comprises a drop-shaped swing body 18 which can pivot to and fro about vertical pivot axis 20 with respect to an associated bearing body 13. Each swing body is 18 provided with a pin 21 opposite pivot axis 20.
  • Each locking mechanism furthermore comprises a locking body 33, the top surface of which is provided with a cam track. The cam track comprises a funnel-shaped opening 34, adjoining cam track sections 22, 23, 24 and 25 and end positions 36, 37, 38 which are situated between said cam track sections and where the direction of the cam track always reverses. The locking bodies 33 are rigidly connected to the front strip 6, more specifically via end caps 29 which are provided at the mutually opposite ends of the front strip 6. In Fig. 4, the front strip 6 is in a shading position, whereas the front strip 6 in Fig. 5 is in the non-shading position (outside Fig. 5), in which front strip 6 closes-off cassette 26, so that the winding mechanism 27 inside the cassette 26 is protected.
  • The operation of awning system 1 will be described below. The starting situation is one in which the cloth 5 is wound around roller body 7 virtually completely and in which the front strip 6 is in the non-shading position and closes off cassette 26. The bands 10 are then unwound virtually completely from the associated winding bodies 11, because slides 14 which are rigidly connected to the front strip 6 are also close to the cassette 26 and because the bands 10 have been fitted around the pulleys 28a, 28b above posts 4.
  • By means of remote control 16, tube motor 12, more specifically its control unit, is actuated to rotate roller body 7 and thus also winding bodies 11 in the direction 61 (Fig. 3). As a result thereof, the bands 10 will be wound around winding bodies 11 and the front strip 6 will be pulled in the direction of the posts 4 by the bands 10, as a result of which the cloth 5 is unwound from the roller body 7. During this unwinding, the slides 14, more specifically their grooves 15, cooperate with the guides in the guide profiles 2, 3.
  • During unrolling of the cloth 5, the diameter of the cloth 5 which is still wound around roller body 7 will decrease and the diameters of the bands 10 which are wound around the winding bodies 11 will, by contrast, increase. It should be noted, again, that the winding directions of the cloth 5 on the one hand and the bands 10 on the other hand are opposite to each other. In order to compensate for the changing diameters, more specifically in order to ensure that both the cloth 5 and the bands 10 remain at a desired tension, during unrolling, the gas springs 17 will first become longer and will become shorter as soon as the diameters of the wound bands 10 become larger than the diameter of the wound cloth 5, in which case the distance between pulleys 31b on the one hand and pulleys 31d on the other hand varies.
  • When unrolling the cloth 5 as described above, the pin 21 will at a certain moment become caught in the funnel 34 of the cam track of the moving locking body 33. Subsequently, pin 21 will hit flank 35 of cam track section 22, as a result of which pin 21 will follow the curved track of cam track section 22. To this end, swing body 18 pivots about axis 20. The control unit of tube motor 12 is programmed to stop the movement of front strip 6 shortly before pin 21 is due to reach end position 36.
  • Then, the control unit of tube motor 12 is programmed to reverse the direction of rotation of roller body 7 for a short time, so that roller body 7 rotates in direction 62 (Fig. 3). As a result thereof, cloth 5 is to a certain degree wound onto the roller body 7 again and the bands 10 are, by contrast, unwound from winding bodies 11 to a limited degree. Pin 21 will then touch flank 40 of cam track section 23 and follow cam track section 23 further until pin 21 touches end position 37. In this position, the front strip 7 is situated in the second, shading, position within the definitions of the following claims. From this position, tube motor 12 is programmed to cause roller body 7 to rotate further in direction 62 to a limited degree, so that the cloth 5 is tensioned to a desired degree. Thereafter, tube motor 12 is programmed to assume a blocking position, so that the tensile stress in the cloth 5 is maintained. Gas springs 17 do not contribute in any way to keep the cloth 5 tensioned.
  • In order to bring the front strip 6 into the non-shading position again, the tube motor 12 is programmed to rotate roller body 7 in direction 61, based on a control signal from the remote control 16, as a result of which pin 21 will touch flank 39 of cam track section 24 and follows cam track section 24 until just before the moment when pin 21 is due to reach end position 38. Subsequently, the programming of tube motor 12 will ensure that roller body 7 rotates in direction 62, as a result of which pin 21 will follow cam track section 25 and will leave the cam track via funnel 34. Further rotation of roller body 7 in direction 62 will furthermore result in the front strip returning to the original non-shading position, after which the tube motor 12 is programmed to stop.
  • The above description of awning system 1 should not be interpreted as being limiting for the invention, since numerous other embodiments are also possible without departing from the scope of the invention. Instead of being attached to a fixed structure and being supported by posts 4, an awning system according to the invention may, for example, also be free-standing in order, for example, to create a shelter from sunshine and/or rain. In this case, system 1 is supported by posts 4 at both ends of the guides 2, 3.
  • The awning system 1 may also be installed above a(n existing) transparent canopy by means of installation means, as a result of which posts 4 are obsolete. The awning system is very suitable to maintain a relatively high tension in the cloth thereof, as a result of which the risk of sagging is limited and the awning system is even more suitable to serve as protection from rain.
  • In a further variant and with reference to Fig. 3, it is also possible for the positions of the bearing bodies 41 and 42 to be swapped, as it were. Such a variant is illustrated in Fig. 8. Components which correspond to components in Fig. 3 are denoted by the same reference numerals. The bearing bodies 141a and 141b are fixedly fitted inside and to the associated guide profiles 2, 3. Pulley 131a is mounted with respect to bearing body 141a and pulley 131b is mounted with respect to bearing body 141b. Pulley 131d is mounted with respect to bearing body 142 which is slidable with respect to the associated guide profiles 2, 3 in a reciprocating manner. A pulley such as pulley 31c in Fig. 3 is absent. However, a guidewheel 132 for belt 10 is provided and is rotatably mounted with respect to bearing body 141b. The variant from Fig. 8 has the advantage that a tensile stress generated in the band 10 by the excitation of electromotor 12 will be passed onto the slides 14 more smoothly, as a result of which the displacement of cloth 5 from the non-shading position to the shading position may also be smoother. Incidentally, this advantage is also useful if no locking mechanism as explained by means of Figs. 5, 6 and 7 were to be used.
  • Although with the described awning system 1, the cloth 5 slopes in the shading position of the front strip 6, it is also possible to use the invention with an awning system in which the cloth does not slope in the shading position, but is oriented horizontally.

Claims (15)

  1. Awning system comprising
    - a tubular first roller body with an axis,
    - a front strip,
    - a cloth which is connected, on a first side, to the roller body and which is connected, on a second side which is situated opposite the first side, to the front strip,
    - two elongate guides which extend parallel to each other and which enclose an angle with the horizontal of between 0 and 25 degrees, wherein the front strip extends between the two guides and the front strip is guidable by the guides between a first, non-shading, position situated at first ends of the two guides, in which first position the cloth is wound, at least largely, around the roller body in a first winding direction, and a second, shading, position situated at second ends of the two guides which are situated opposite the respective first ends of the two guides, in which second position the cloth is at least largely unwound from the roller body,
    - at least one second roller body which is provided concentrically with respect to the first roller body and is rigidly connected to the first roller body for joint rotation about the axis,
    - at least one elongate flexible transmission member which is connected to the front strip and is wrapped around one of the at least one second roller body,
    - drive means for rotatably driving the first roller body and the second roller body about the axis,
    - control means for controlling the drive means,
    characterized in that the awning system furthermore comprises at least one locking mechanism which is configured to lock the front strip in the second position, and the control means are configured to actuate the drive means in such a way that the cloth is subjected to tensile stress while the locking mechanism locks the front strip in the second position.
  2. Awning system according to Claim 1, characterized in that the at least one locking mechanism comprises a combination of a first locking body and a second locking body which are configured to cooperate in a locking manner, wherein the control means are configured to actuate the drive means in such a way that, during the displacement from the first position to the second position, the front strip, in order to tension the cloth in the second position of the front strip, initially passes the second position to a limited extent and assumes a third position and subsequently moves back to the second position from the third position, wherein the locking mechanism is configured to not yet be active in a locking manner while the front strip passes the second position and to be active in a locking manner when it reaches the third position from the second position.
  3. Awning system according to Claim 1 or 2, wherein the control means are configured in such a way that, when being displaced from the second position, while the locking mechanism is active, to the first position, to first displace the front strip from the second position in the direction of the third position towards a fourth position, as a result of which displacement, the locking activity of the locking mechanism is cancelled and to subsequently displace the front strip from the fourth position to the first position.
  4. Awning system according to Claim 2 or 3, wherein the first locking body is provided with a cam track and the second locking body is provided with a cam which cam and cam track are configured to allow the cam along at least a first part of the cam track due to the displacement of the front strip from the first position to the second position via the third position, wherein the cam bears against a locking part of the cam track as soon as the front strip has reached the second position from the third position.
  5. Awning system according to Claims 3 and 4, wherein the cam and the cam track are configured to allow the cam to move from the locking part along at least a second part of the cam track due to the displacement of the front strip from the second position to the first position via the fourth position.
  6. Awning system according to Claim 5, wherein the first part of the cam track differs from the second part of the cam track.
  7. Awning system according to Claim 4, 5 or 6, wherein the cam and/or the cam track is pivotable about a pivot axis.
  8. Awning system according to Claim 7, wherein the pivot axis is oriented vertically.
  9. Awning system according to one of the preceding claims, wherein the system furthermore comprises two posts for supporting the two respective guides at their respective second ends.
  10. Awning system according to one of the preceding claims, wherein the at least one elongate flexible transmission member is, at one end thereof, connected to the front strip and, at a second end of the transmission member which is situated opposite the first end of the transmission member, is connected to the at least one second roller body, wherein, in the first position of the front strip, the transmission member is wound around the associated second roller body to a first degree along a second winding direction which is opposite to the first winding direction, and, in the second position of the front strip, the transmission member is wound around the associated second roller body to a second degree, which is greater than the first degree, in the second winding direction.
  11. Awning system according to one of the preceding claims, wherein the at least one elongate flexible transmission member is belt-like.
  12. Awning system according to one of the preceding claims, wherein the at least one elongate flexible transmission member is wrapped around two mutually displaceable, preferably slidable, rotating members and the awning system comprises a spring member, preferably a gas spring, which is active between the two rotating members.
  13. Awning system according to Claim 11 or 12, wherein the spring member extends in a profiled section which also comprises one of the guides.
  14. Awning system according to Claim 11, 12 of 13, wherein one of the two rotating members is fixedly connected to an associated guide and the other rotating member is displaceable, preferably slidable, with respect to this associated guide.
  15. Awning system according to Claim 14, wherein the slidable rotating member extends between the rotating member, which is fixedly connected to the associated guide, and an associated second roller body.
EP21151269.4A 2020-01-14 2021-01-13 Awning system Active EP3851610B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2024670A NL2024670B1 (en) 2020-01-14 2020-01-14 Sun protection system.

Publications (3)

Publication Number Publication Date
EP3851610A1 true EP3851610A1 (en) 2021-07-21
EP3851610B1 EP3851610B1 (en) 2023-07-19
EP3851610C0 EP3851610C0 (en) 2023-07-19

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ID=70155258

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EP21151269.4A Active EP3851610B1 (en) 2020-01-14 2021-01-13 Awning system

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EP (1) EP3851610B1 (en)
NL (1) NL2024670B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108424A1 (en) * 1982-11-09 1984-05-16 Abatenda di Serafini Giovanni Sunshade fitting convertible into veranda curtain fitting
EP0841442A1 (en) * 1996-11-12 1998-05-13 White Hall, N.V. Improved veranda tent
EP2631383A2 (en) * 2012-02-27 2013-08-28 Lewens Sonnenschutz Systeme Gmbh & Co. Kg Building extension
EP2722460A1 (en) 2012-10-19 2014-04-23 Bat S.P.A. Pergola-type canopy

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108424A1 (en) * 1982-11-09 1984-05-16 Abatenda di Serafini Giovanni Sunshade fitting convertible into veranda curtain fitting
EP0841442A1 (en) * 1996-11-12 1998-05-13 White Hall, N.V. Improved veranda tent
EP2631383A2 (en) * 2012-02-27 2013-08-28 Lewens Sonnenschutz Systeme Gmbh & Co. Kg Building extension
EP2722460A1 (en) 2012-10-19 2014-04-23 Bat S.P.A. Pergola-type canopy

Also Published As

Publication number Publication date
EP3851610B1 (en) 2023-07-19
NL2024670B1 (en) 2021-09-08
EP3851610C0 (en) 2023-07-19

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