EP3258055B1 - Abschirmungsanordnung mit seitenschienen und verfahren zur herstellung solch einer seitenschiene - Google Patents

Abschirmungsanordnung mit seitenschienen und verfahren zur herstellung solch einer seitenschiene Download PDF

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Publication number
EP3258055B1
EP3258055B1 EP17175266.0A EP17175266A EP3258055B1 EP 3258055 B1 EP3258055 B1 EP 3258055B1 EP 17175266 A EP17175266 A EP 17175266A EP 3258055 B1 EP3258055 B1 EP 3258055B1
Authority
EP
European Patent Office
Prior art keywords
rack
flange
side rail
teeth
head portion
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
EP17175266.0A
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English (en)
French (fr)
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EP3258055A1 (de
Inventor
Martin Birkkjaer
Casper Grønvig Nielsen
Jesper Hostrup Mortensen
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.)
VKR Holding AS
Original Assignee
VKR Holding AS
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 VKR Holding AS filed Critical VKR Holding AS
Priority to PL19150688T priority Critical patent/PL3492686T3/pl
Priority to EP19150688.0A priority patent/EP3492686B1/de
Priority to PL17175266T priority patent/PL3258055T3/pl
Publication of EP3258055A1 publication Critical patent/EP3258055A1/de
Application granted granted Critical
Publication of EP3258055B1 publication Critical patent/EP3258055B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/327—Guides for raisable lamellar blinds with horizontal lamellae
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive

Definitions

  • the present invention relates to a screening arrangement for a window, preferably a roof window, comprising a frame with a top member, a bottom member and two side members, the screening arrangement comprising: at least one bottom element, and two side rails defining a longitudinal direction, a width direction and a depth direction, the at least one bottom element being movable with respect to the two side rails between a non-screening position and a screening position by means of a drive means comprising a first transmission means comprising a circular gear including at least one pinion arranged in said at least one bottom element, and a second transmission means comprising at least one rack of teeth arranged in each of the two side rails such as to extend substantially in the longitudinal direction of the side rail, to engage with the at least one pinion of the first transmission means, each side rail comprising a first flange extending substantially in the width direction, a second flange extending substantially in parallel with the first flange, in the width direction, and positioned to cover at least a part of the bottom element, and
  • Screening arrangements including screening devices in the form of blinds are traditionally used for screening an aperture of a building structure, most often the light-admitting aperture of windows, but also of doors and other building openings.
  • the blinds are either installed to extend substantially vertically in a building façade, or in an obliquely positioned roof window installed in an inclined surface, or as a horizontally extending cover for openings in a horizontal surface.
  • the screening body is normally rolled or folded up and gathered at a top element of the screening arrangement.
  • Examples of prior art screening arrangements include Applicant's European patents EP2738342 B1 , EP2738343 B1 and EP2738344 B1 .
  • the operational principles of such screening arrangements are based on well-proven techniques known for instance from GB 668669 , US 8,881,790 B2 and DE 202007018180 U1 .
  • the side rails of such screening arrangements thus function partly as guiding means for guiding the bottom element and side edges of the screening body of the screening arrangement during operation, partly additional darkening in the case of black-out blinds. Furthermore, the side rails function to cover drive means which in some applications include cord systems and pulleys. Eventually, the side rails need to provide an aesthetically pleasing transition between the screening arrangement and the surrounding building structure, typically an inner wall.
  • the side rails are slender and of a thin-walled material. Since a number of functionalities are necessarily included in the side rails, which at the same time must fulfil certain requirements to appearance, the available space is unavoidably limited.
  • a screening arrangement which is characterised in that said rack of teeth of the second transmission means is formed integrally in at least one of said flanges of said side rail, the teeth of said rack having a base portion provided at the at least one flange, a head portion engaging the at least one pinion of the first transmission means, and a body portion extending between the base portion and the head portion, that said side rail is of an extrudable material, and that the head portion of the rack of teeth is wider, i.e. has a larger extent in the width direction, than at least the part of the body portion of the rack which is adjacent to the head portion.
  • the drive means is rendered substantially more compact while at the same time providing the required operational conditions.
  • Forming the second transmission means in one or more of the flanges already present in the side rail an optimum balance is found in that the side rail is easily mounted on the frame of the window, whereas it is at the same time possible to choose the location of the second transmission means in a flexible way.
  • the rack-and-pinion transmission may be formed in an optimum manner by a careful choice of dimensions of the portions of the rack of teeth.
  • extruable material should be interpreted to incorporate any material that is able to be formed by forcing a blank of material through a die of a desired cross-section.
  • Typical extrudable materials include metallic and plastic materials, but also composite, ceramic and fiber materials are conceivable.
  • the term "drive means" should be interpreted in its broadest sense, encompassing all kinds of force and movement transmission between the first transmission means and the second transmission means.
  • the first transmission means transmits a driving force to the second transmission means whereby the bottom element is moved.
  • the driving force is provided by the user pushing or pulling the bottom element whereby the interaction between the first and second transmission means provides guidance and synchronicity such that the ends of the bottom element move at the same pace. In this way, the bottom element is kept parallel to the top and bottom members of the frame at all times, thereby avoiding skew positions that could hamper proper functioning.
  • electrically operated screening arrangement only one end of the bottom element needs to be provided with driven first transmission means whereas the first transmission means at the other end acts as a follower.
  • the shape and relative dimensions of the head portion of the rack of teeth may be chosen to fit the required specifications and in dependence on the choice of material, both of the side rail with the integrated rack of teeth and of the pinion.
  • the formation of the teeth of the rack or racks may in principle be carried out in any suitable manner.
  • the at least one rack of teeth is formed by extrusion and at least one subsequent rack forming operation, where the head portion is preferably provided with a larger extent in the width direction during the subsequent rack forming operation.
  • a method of manufacturing a side rail of a screening arrangement is provided.
  • Fig. 1 shows a prior art screening arrangement 3' installed in a window generally designated 1, here represented by a frame 2 which is an openable sash adapted to be mounted in a stationary frame (not shown), for instance to be installed in an inclined roof surface.
  • a frame 2 which is an openable sash adapted to be mounted in a stationary frame (not shown), for instance to be installed in an inclined roof surface.
  • the terms "sash” or "frame” are to be understood as incorporating any substantially rectangular structure positioned in any opening in a building, whether in a wall or the roof, and surrounding an aperture to be screened.
  • the frame 2 thus has four frame members: a top member, a bottom member and two side members.
  • the frame 2 is thus a glass-carrying sash encasing a pane 5 in the opening formed by the frame members.
  • Such a prior art screening arrangement is shown and described in for instance Applicant's European patent EP2150671 B1 .
  • the prior art screening arrangement 3' defines, in the condition of use in which it is mounted in the frame 2, a screening plane substantially parallel to a plane defined the longitudinal extensions of the top and bottom members of the frame on one hand and the longitudinal direction of the side members on the other.
  • the terms “left-hand” and “right-hand” refer to the orientation shown in for instance Fig. 1 , and are utilized for reasons of convenience only.
  • the terms “front” and “back” are utilized to denote the sides of the screening arrangement 3', “front” being the side intended to face inwards into the interior of a building, and “back” the outwards facing side.
  • the terms “upper” and “lower” refer to the orientation of the screening arrangement installed in a frame, where “upper” refers to the top member of the frame and “lower” refers to the bottom member of the frame.
  • the prior art screening arrangement 3' has a bottom element 4' connected to a screening body (not shown) which extends in the screening plane and covers the opening of the frame in its screening positions, whereas it is placed in its non-screening position at the top member of the frame 2 in Fig. 1 .
  • the side edges of the screening body and the longitudinal ends of the bottom element 4' are guided in side rails 10' connected to the side members of the frame 2.
  • the side rails 10' are mitred at one end and connected to a top rail.
  • the orientation and terms used to describe the screening arrangement in the present context are for convenience and ease of understanding; hence, the bottom element could thus be provided in parallel with "side” members instead, depending on the specific orientation in the mounted condition.
  • the screening arrangement 3 comprises a bottom element 4 (cf. Fig. 4 ) and two side rails 10 of which one is shown. It is to be understood that more than one bottom element 4 may be present in the case of more than one screening device is present, and the term bottom element is also intended to cover any movable profile or bar element fulfilling the function. It is also to be understood that although only one side rail 10 is shown, the other side rail to be positioned at the opposite side member may be formed in the same manner, mirror inverted, or be of a varied design.
  • the side rail 10 is seen from the back side of the screening arrangement and defines a longitudinal direction L, a width direction W and a depth direction D.
  • the bottom element 4 is movable with respect to the two side rails 10 between a non-screening position and a screening position by means of a drive means comprising a first transmission means generally designated 30 arranged in the bottom element 4, and a second transmission means generally designated 20 arranged in each of the two side rails 10 such as to extend substantially in the longitudinal direction L of the side rail 10.
  • the second transmission means 20 is formed integrally in said side rail 10, and the side rail 10 is of a metallic material.
  • the side rail 10 comprises a first flange 11 extending substantially in the width direction W, a second flange 12 extending substantially in the width direction W and positioned to cover at least a part of the bottom element 4, and a third flange 13 connecting the first and second flanges 11, 12 and extending substantially in the depth direction D.
  • the second flange 12 faces the interior of the room and thus forms a front surface of the side rail 10 in the mounted condition of the screening arrangement.
  • the third flange 13 of this embodiment has an extended portion 14 extending from the first flange 11 in the depth direction D away from the second flange 12.
  • Fastening means such as openings for the reception of screws or the like, or snap engagement means are present in the side rail 10 to allow connection to the respective side member of the frame of the window.
  • the fastening means are typically provided in the third flange 13, and/or in the specific embodiment, in the extended portion 14 of the third flange 13.
  • the side rail 10 is provided with further flanges including a fourth flange 15 at the end of the first flange 11 opposite its connection to the third flange 13.
  • the fourth flange 15 has an extended portion 16 forming together with a fifth flange 18 provided on the second flange 12 an opening extending throughout the longitudinal direction L of the side rail 10 to receive a side edge of the screening body.
  • the fifth flange 18 also forms a track together with a sixth flange 19a protruding from the third flange 13. This track serves to receive an angular bracket to form a mitred connection with a top rail as mentioned in the above description of the prior art screening arrangement.
  • the side rail 10 may be provided with a seventh flange 19b located opposite the above-mentioned opening between the extended portion 16 of the fourth flange 15 and the fifth flange 18.
  • the seventh flange 19b functions as an end stop for the side edges of the screening body and guide elements (not shown) at the ends of the bottom element 4. This ensures that the screening body and the bottom element 4 are kept in position, and in turn secures the engagement between the first and second transmission means.
  • Such an end stop, or end guide could alternatively or additionally be provided in any other suitable manner; for instance by meshing gears etc.
  • One example of a guide is for instance given in Applicant's published European patent application EP 2 476 858 A2 .
  • the second transmission means 20 could be formed in any flange of the side rail 10 to obtain maximum flexibility as regards the position.
  • the transmission means may be placed in one of the first, second and third flanges 11, 12, and 13. It is also conceivable to form second transmission means 20 in more than one flange.
  • the second transmission means 20 is formed in one flange only, and in particular as here in the first flange 11.
  • the second transmission means is formed in the second flange 12.
  • a further alternative embodiment showing the position in the third flange 13 is shown in Fig. 12a .
  • the transmission means 20 may alternatively be formed in the fourth flange 15 as shown in Fig. 12c .
  • the second transmission means of the side rail 10 of the screening arrangement 3 comprises at least one rack of teeth 20 to engage with the first transmission means 30 of the bottom element 4.
  • the rack 20 is thus formed integrally in the side rail 10.
  • the rack 20 is formed in the first flange 11 to protrude in the depth direction D, away from the second flange 12.
  • the formation of the rack 20 facing outwards as in Figs 2 to 4 is of particular advantage in roof windows which are traditionally installed in an inclined position. Hence, gravity will ensure a safe engagement between the first transmission means 30 and the second transmission means, here in the form of rack 20.
  • An alternative position, although not preferred, is shown in Fig. 12b .
  • the rack of teeth incorporates forming the rack of teeth as an integral structure protruding from the actual flange of the side rail.
  • the rack of teeth may thus be said to form a rack flange protruding from the side rail flange, and in which the teeth are formed, thus rendering the rack flange including its teeth as a comb-like structure.
  • the profiling of the rack of teeth 20 of the second transmission means is chosen to fit the requirements to the screening arrangement in question.
  • the teeth of the rack 20 have a base portion 23 provided at the first flange 11, a head portion 21 engaging the first transmission means 30, and a body portion 22 extending between the base portion 23 and the head portion 21.
  • the head portion 21 of the rack of teeth 20 is wider, i.e. has a larger extent in the width direction W, than at least the part of the body portion 22 of the rack which is adjacent to the head portion 21.
  • the difference in width between the head portion 21 and the body portion 22 is advantageous in that a more secure engagement between the first transmission means 30 and the second transmission means, here in the form of rack 20, is ensured.
  • Typical values of the ratio between the width of the head portion 21 and the width of the body portion 22 at the part adjacent to the head portion include a range of at least 1.05:1: preferably at least 1.2:1, and more preferably at least 2:1.
  • the shape of the head portion 21 of the rack of teeth 20 may in principle be formed in any suitable manner as long as it may be warranted from a manufacture point of view.
  • the head portion 21 is substantially bud-shaped.
  • Alternative shapes may advantageously be selected from the group comprising: substantially circular, anvil-shaped, and T-shaped. Examples of such alternative shapes are shown in Figs 5f, Fig. 5e and Fig. 5g , respectively.
  • the head portion 21 may be formed wider than the body portion 22 already during the initial forming step, typically during extrusion, or the head portion 21 and the body portion 22 may be formed with similar width and the head portion 21 made wider during a subsequent step.
  • the rack of teeth 20 is formed by extrusion and one or more subsequent rack forming operations.
  • the head portion may be provided with a wider extent. This applies both when the side rail is extruded with a rack flange as a precursor to the rack of teeth in which the head portion already has a larger width than the body portion and/or the base portion, and when the side rail following extrusion is provided with a shape of the rack flange to form the rack of teeth 20, as shown for instance in Figs 5a-5d and 5h .
  • the teeth of the rack 20 including the head portion 21 and entire body portion 22 are also conceivable.
  • the teeth of the rack 20 may be curved (not shown). In such a curved configuration, it is possible to provide the screening arrangement with an outwards directed force acting to keep the first and second transmission means in mutual engagement and at the same time ensure that the screening body is kept tight.
  • a tapered shape in the depth direction D is also conceivable, preferably also including the body portion 22 ( Figs 5c and 5d ).
  • the teeth of the rack 20 may be substantially straight, optionally perpendicular to the sides of the head portion 21 ( Figs 5a, 5b and 5h ).
  • One further aspect to the formation of the side rail 10 with integral second transmission means 20 is the strength and mechanical properties such as bending resistance. This applies to the side rail in general and in the above embodiments to the flange in which the rack of teeth 20 is formed in particular. Hence, a support portion 17 may be present opposite the base portion 23.
  • the ratio between the width, i.e. the dimension in the width direction W, of the head portion and the height, i.e. the dimension in the depth direction D, of the rack, from the base portion to the head portion, is up to 1:3, preferably up to 1:4.
  • two parallel racks 20a, 20b are formed integrally in the same flange 11. Further racks may be provided in the same flange, or a further rack may be provided in another flange than the first.
  • the pinion 31 is provided with such a width that the pinion 3 extends across and is configured to mesh with at least a part of each of the two parallel racks of teeth 20a, 20b. More specific, the pinion 31 shown in Fig. 7 has a width to substantially cover the racks of teeth 20a, 20b.
  • the first transmission means comprising a circular gear includes two pinions, which are configured to mesh with a respective rack of teeth 20a, 20b.
  • Such pinions have a smaller width than the pinion 31 shown in Fig. 7 .
  • the width of the two pinions may be identical or different from each other.
  • the screening arrangement is provided with two racks of teeth 20a, 20b to engage with at least one pinion 31.
  • the screening arrangement comprises two side rails 10, each including first, second and third flanges 11, 12, 13, and at least one bottom element 4 which is movable with respect to the side rails 10 by means of a drive means comprising first transmission means comprising a circular gear including the pinion 31 or pinions, arranged in the bottom element and second transmission means including the two racks of teeth formed integrally in the same flange of the side rail.
  • the pinion 31 is provided with such a width that it extends across and is configured to mesh with at least a part of each of the two parallel racks of teeth 20a, 20b.
  • the provision of two racks of teeth 20a, 20b entails that a stable engagement between the first and second transmission means is obtained, regardless of the profiling of the racks of teeth.
  • the head portion of the respective rack of teeth may be made wider than at least the portion of the body portion adjacent to the head portion.
  • the first transmission means 30 needs to be configured to allow proper transmission of forces and movements.
  • the first transmission means 30 arranged in the bottom element 4 comprises a circular gear including at least one pinion 31 meshing to the rack of teeth 20 of the second transmission means.
  • the first transmission means 30 comprises in the embodiment shown a connecting portion 32 to the bottom element 4.
  • the at least one pinion 31 has a suitable width chosen to the specific purpose and the choice of profiling of the rack of teeth 20 of the second transmission means.
  • the ratio between the width of the at least one pinion 31 and the width of the head portion 21 of the at least one rack of teeth 20 is at least 2:1, preferably at least 3:1.
  • the first transmission means arranged in said bottom element may also comprise a second pinion, configured to engage with the second rack of teeth, or alternatively with the same rack of teeth.
  • the first transmission means 30 comprises a rotational axis which is parallel with the longitudinal direction of the bottom element 4.
  • the principles underlying the invention may be used in all types of screening arrangements. This applies both to manually operated screening arrangements, and to screening arrangements in which the movement of the bottom element is carried out by means of a driving device.
  • the screening arrangement is electrically operated and the bottom element 4 comprises an electric motor connected to the first transmission means 30.
  • the bottom element 4 further comprises a battery and a solar panel, said solar panel facing the exterior, and wherein the battery is chargeable by means of the solar panel, and wherein the battery powers the electric motor.
  • the profiling of the rack of teeth 20 of the embodiments of the invention shown and described in the above also include the choice of a suitable pitch and shape in all three dimensions of the side rail 10.
  • the shape and dimensions of the rack of teeth 20 in the longitudinal direction are to be determined as well in order to ensure optimum conditions both as regards manufacture and in use to attain satisfactory operability of the screening arrangement.
  • the shape of the teeth of the rack 20 as seen in the longitudinal direction L of the side rail 10 is symmetrical to the shape of the teeth of the rack 20 in the width direction D of the side rail 10.
  • the materials of the elements involved are chosen according to the purpose and to provide secure engagement between the first and second transmission means, while at the same time providing a suitable expected lifetime of the elements.
  • the side rail is made of a suitable metallic material.
  • a suitable metallic material encompasses metals, metal alloys, reinforced metallic materials.
  • One material which is suitable also from a manufacturing perspective is aluminium.
  • a method of manufacturing a side rail of a screening arrangement said side rail including at least one flange and at least one rack of teeth in one or more of said flange or flanges will be described. Specific embodiments of the method will be described with particular reference to Figs 13 to 15 .
  • the method according to the invention comprises the steps of:
  • a rack flange is provided with a base portion connecting the rack flange to the one of the flanges, a head portion and a body portion connecting the base portion and the body portion of the side rail.
  • the step of providing the rack flange may either be carried out in connection with extrusion of the side rail blank to form the side rail, or alternatively, in a separate step following manufacture of the side rail intermediate resulting from the step of providing the side rail from the side rail blank.
  • the side rail is hardened, and the rack of teeth is formed from the rack flange integrally with one of the flanges of the side rail by rotating a gear while moving the gear and/or side rail relative to each other in the longitudinal direction of the side rail whereby the head portion of the rack of teeth is made wider, i.e. provided with a larger extent in the width direction W, than at least the part of the body portion of the rack which is adjacent to the head portion.
  • the head portion of the rack flange following the step of providing the rack flange is in one embodiment wider than at least the part of the body portion of the rack which is adjacent to the head portion.
  • the rack flange following the step of providing the rack flange is tapered and the head portion is made wider than at least the part of the body portion of the rack which is adjacent to the head portion during the step of forming the rack of teeth from the rack flange.
  • the method further comprises the steps of pickling the side rail and anodizing the side rail, cf. Figs 13 to 15 .
  • the step of forming the rack is performed following the steps of hardening, pickling and anodizing the side rail. However, it is preferred that the step of forming the rack is performed before pickling and anodizing since this will render a more pleasant finished product.
  • the step of forming the rack is carried out before the hardening of the side rail.
  • a final step of shortening the side rail to a predefined length is also carried out.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Transmission Devices (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (20)

  1. Abschirmungsanordnung (3) für ein Fenster (1), vorzugsweise ein Dachfenster, aufweisend einen Rahmen (2) mit einem oberen Bauteil, einem unteren Bauteil und zwei Seitenbauteilen, wobei die Abschirmungsanordnung umfasst:
    wenigstens ein unteres Element (4), und
    zwei Seitenschienen (10), die eine Längsrichtung (L), eine Breitenrichtung (W) und eine Tiefenrichtung (D) definieren, wobei das wenigstens eine untere Element (4) in Bezug auf die beiden Seitenschienen (10) mittels eines Antriebsmittels zwischen einer Nicht-Abschirmposition und einer Abschirmposition bewegbar ist, wobei das Antriebsmittel
    ein erstes Übertragungsmittel (30), das ein kreisförmiges Zahnrad mit mindestens einem Ritzel (31) umfasst, das in dem wenigstens einen unteren Element (4) angeordnet ist, und
    ein zweites Übertragungsmittel mit wenigstens einer Zahnstange (20) in jeder der zwei Seitenschienen (10), die so angeordnet sind, dass sie sich im Wesentlichen in der Längsrichtung (L) der Seitenschiene (10) erstrecken, um mit dem wenigstens einen Ritzel (31) des ersten Übertragungsmittels (30) in Eingriff zu treten, umfasst,
    wobei jede Seitenschiene (10) einen ersten Flansch (11), der sich im Wesentlichen in der Breitenrichtung (W) erstreckt, einen zweiten Flansch (12), der sich im Wesentlichen parallel mit dem ersten Flansch (11) in der Breitenrichtung (W) erstreckt und so positioniert ist, dass er wenigstens einen Teil des unteren Elements (4) abdeckt, und einen dritten Flansch (13), der die ersten und zweiten Flansche (11, 12) verbindet und sich im Wesentlichen in der Tiefenrichtung (D) erstreckt, aufweist,
    dadurch gekennzeichnet,
    dass die Zahnstange (20) des zweiten Übertragungsmittels einstückig in wenigstens einem der Flansche (11, 12, 13) der Seitenschiene (10) ausgebildet ist, wobei die Zähne der Zahnstange (20) an dem wenigstens einen Flansch (11, 12, 13) einen Basisabschnitt (23), einen Kopfabschnitt (21), der mit dem wenigstens einen Ritzel (31) des ersten Übertragungsmittels (30) in Eingriff steht, und einen Körperabschnitt (22), der sich zwischen dem Basisabschnitt (23) und dem Kopfabschnitt (21) erstreckt, aufweisen, dass die Seitenschiene (10) aus einem extrudierbaren Material besteht, und dass der Kopfabschnitt (21) der Zahnstange (20) weiter ist, d.h. in der Breitenrichtung (W) eine größere Ausdehnung aufweist als zumindest der Teil des Körperabschnitts (22) der Zahnstange, der benachbart zu dem Kopfabschnitt (21) angeordnet ist.
  2. Abschirmungsanordnung nach Anspruch 1, wobei die Form des Kopfabschnitts (21) der Zahnstange (20) aus der Gruppe ausgewählt ist, die umfasst: im Wesentlichen kreisförmig, knospenförmig, ambossförmig, und T-förmig.
  3. Abschirmungsanordnung nach Anspruch 1 oder 2, wobei das Verhältnis zwischen der Breite des Kopfabschnitts (21) und der Breite des Körperabschnitts (22) an dem Teil, der benachbart zu dem Kopfabschnitt liegt, wenigstens 1,05:1, vorzugsweise wenigstens 1,2:1; und besonders bevorzugt wenigstens 2:1 beträgt.
  4. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei das Verhältnis zwischen der Breite, d.h. der Abmessung in der Breitenrichtung (W), des Kopfabschnitts und der Höhe, d.h. der Abmessung in der Tiefenrichtung (D), der Zahnstange, vom Basisabschnitt zum Kopfabschnitt bis zu 1:3, vorzugsweise bis zu 1:4 beträgt.
  5. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei der Kopfabschnitt (21) der Zahnstange (20), vorzugsweise auch der Körperabschnitt (22), in der Tiefenrichtung (D) eine sich verjüngende Form aufweist.
  6. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei in der Längsrichtung (L) der Seitenschiene (10) gesehen die Form der Zähne der Zahnstange (20) symmetrisch zu der Form der Zähne der Zahnstange (20) in der Breitenrichtung (W) der Seitenschiene (10) ist.
  7. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei die Zähne der Zahnstange (20) gekrümmt sind.
  8. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei die Seitenschienen (10) extrudierte Profile aus Aluminium aufweisen.
  9. Abschirmungsanordnung nach Anspruch 8, wobei die wenigstens eine Zahnstange (20) durch Extrusion eines Zahnstangenflansches und durch wenigstens einen nachfolgenden Zahnstangenformungsvorgang gebildet ist, wobei der Kopfabschnitt (21) während des nachfolgenden Zahnstangenformungsvorgangs vorzugsweise mit einem größeren Ausmaß in der Breitenrichtung (W) versehen ist.
  10. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei das wenigstens eine Ritzel (31) eine Breite aufweist, wobei das Verhältnis zwischen der Breite des wenigstens einen Ritzels (31) und der Breite des Kopfabschnitts (21) der wenigstens einen Zahnstange (20) wenigstens 2:1, vorzugsweise wenigstens 3:1, beträgt.
  11. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei die Zahnstange (20) in einem Flansch (11, 12, 13), vorzugsweise in dem ersten Flansch (11), ausgebildet ist, wobei besonders bevorzugt die wenigstens eine Zahnstange (20) in dem ersten Flansch (11) ausgebildet ist, um in der Tiefenrichtung (D) weg von dem zweiten Flansch (12) vorzustehen.
  12. Abschirmungsanordnung nach einem der Ansprüche 1 bis 10, wobei die Zahnstange (20) in dem zweiten Flansch (12) oder dem dritten Flansch (13) oder, wenn die Seitenschiene (10) einen vierten Flansch (15) aufweist, in dem vierten Flansch (15) ausgebildet ist.
  13. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei der dritte Flansch (13) einen verlängerten Abschnitt (14) aufweist, der sich von dem ersten Flansch (11) in der Tiefenrichtung (D) weg von dem zweiten Flansch (12) erstreckt.
  14. Abschirmungsanordnung nach einem der vorhergehenden Ansprüche, wobei zwei parallele Zahnstangen (20a, 20b) vorgesehen sind und wobei das Ritzel (31) mit einer solchen Breite versehen ist, dass sich das Ritzel (31) über die zwei parallelen Zahnstangen (20a, 20b) erstreckt und so konfiguriert ist, dass es mit wenigstens einem Teil von jeder der zwei parallelen Zahnstangen (20a, 20b) kämmt.
  15. Abschirmungsanordnung nach einem der Ansprüche 1 bis 13, wobei zwei parallele Zahnstangen (20a, 20b) vorgesehen sind und in denen zwei Ritzel vorgesehen und derart ausgebildet sind, dass sie mit einer jeweiligen Zahnstange (20a, 20b) kämmen.
  16. Verfahren zum Herstellen einer Seitenschiene einer Abschirmungsanordnung, wobei die Seitenschiene mindestens einen Flansch und mindestens eine Zahnstange in einem oder mehreren der Flansche aufweist, wobei das Verfahren die folgenden Schritte umfasst:
    Bereitstellen eines Seitenschienenrohlings aus einem metallischen Material, vorzugsweise Aluminium,
    Bereitstellen einer Seitenschiene aus dem Seitenschienenrohling, um einen ersten Flansch (11), der sich im Wesentlichen in der Breitenrichtung (W) erstreckt, einen zweiten Flansch (12), der sich im Wesentlichen parallel zum ersten Flansch (11) in der Breitenrichtung (W) erstreckt und einen dritten Flansch (13), der die ersten und zweiten Flansche (11, 12) verbindet und der sich im Wesentlichen in der Tiefenrichtung (D) erstreckt, zu bilden,
    Bereitstellen eines Zahnstangenflansches mit einem Basisabschnitt, der den Zahnstangenflansch mit dem einen der Flansche (11, 12, 13) verbindet, einem Kopfabschnitt und einem Körperabschnitt, der den Basisabschnitt und den Körperabschnitt in der Seitenschiene durch einen der folgenden Schritte verbindet:
    i. der Zahnstangenflansch wird durch Extrusion des Seitenschienenrohlings in dem Schritt des Bereitstellens der Seitenschiene gebildet, oder
    ii. der Zahnstangenflansch wird in einem separaten Schritt geformt,
    die Seitenschiene wird gehärtet, und
    die Zahnstange wird aus dem Zahnstangenflansch integral mit einem der Flansche der Seitenschiene geformt, indem ein Zahnrad gedreht wird, während das Zahnrad und/oder die Seitenschiene relativ zueinander in der Längsrichtung der Seitenschiene bewegt werden, wodurch der Kopfabschnitt (21) der Zahnstange (20) breiter ausgebildet wird, d.h. in der Breitenrichtung (W) mit einer größeren Ausdehnung versehen wird, als wenigstens der Teil des Körperabschnitts (22) der Zahnstange, der benachbart zu dem Kopfabschnitt (21) vorgesehen ist.
  17. Verfahren nach Anspruch 16, wobei der Kopfabschnitt des Zahnstangenflansches nach dem Schritt des Ausbildens des Zahnstangenflansches breiter ist als wenigstens der Teil des Körperabschnitts der Zahnstange, der benachbart ist zu dem Kopfabschnitt.
  18. Verfahren nach Anspruch 16, wobei der Zahnstangenflansch nach dem Schritt des Formens des Zahnstangenflansches verjüngt ausgebildet ist und wobei während des Schritts des Formens der Zahnstange aus dem Zahnstangenflansch der Kopfabschnitt breiter gemacht wird als wenigstens der Teil des Körperabschnitts der Zahnstange, der benachbart ist zu dem Kopfabschnitt.
  19. Verfahren nach einem der Ansprüche 16 bis 18, wobei das Verfahren ferner die Schritte Härten, Beizen der Seitenschiene und Anodisieren der Seitenschiene umfasst, und wobei der Schritt des Formens der Zahnstange nach den Schritten Härten, Beizen und Anodisieren der Seitenschiene erfolgt, oder der Schritt des Formens der Zahnstange wird nach dem Härten und vor dem Beizen und Anodisieren der Seitenschiene durchgeführt, oder der Schritt des Ausbildens der Zahnstange wird vor dem Härten der Seitenschiene durchgeführt.
  20. Verfahren nach einem der Ansprüche 16 bis 19, umfassend einen letzten Schritt des Verkürzens der Seitenschiene auf eine vordefinierte Länge.
EP17175266.0A 2016-06-15 2017-06-09 Abschirmungsanordnung mit seitenschienen und verfahren zur herstellung solch einer seitenschiene Active EP3258055B1 (de)

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PL19150688T PL3492686T3 (pl) 2016-06-15 2017-06-09 Urządzenie zasłaniające z szynami bocznymi
EP19150688.0A EP3492686B1 (de) 2016-06-15 2017-06-09 Abschirmungsanordnung mit seitenschienen
PL17175266T PL3258055T3 (pl) 2016-06-15 2017-06-09 Urządzenie zasłaniające z szynami bocznymi oraz sposób wytwarzania takiej szyny bocznej

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EP4390044A3 (de) 2022-12-19 2024-07-24 VKR Holding A/S Abschirmanordnung mit einem positionsanzeiger und verfahren zum betrieb der abschirmanordnung
EP4390045A3 (de) 2022-12-19 2024-07-24 VKR Holding A/S Abschirmanordnung mit einem positionsanzeiger mit schnappeinrastmitteln
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GB668669A (en) 1949-02-07 1952-03-19 Lemaire Schroyens & Cie Sa Ate Improvements in guiding means for roller-blind rods
US8833426B2 (en) 2007-04-26 2014-09-16 Vkr Holding A/S Screening arrangement comprising means for mounting side rails and method of mounting such a screening arrangement
DE202007018180U1 (de) 2007-11-27 2008-04-03 Bos Gmbh & Co. Kg Führungssystem für ein Fahrzeugrollo
DE102010040603A1 (de) 2010-09-10 2012-03-15 Ako - Kunststoffe Alfred Kolb Gmbh Schattierungseinrichtung für eine verglaste Fahrzeugöffnung
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CN103298379A (zh) * 2011-01-13 2013-09-11 航空航天科技集团有限公司 改进的机动窗户遮光装置
EP2738342B1 (de) * 2012-12-03 2015-09-30 VKR Holding A/S Abschirmvorrichtung für ein Fenster
EP2738343B1 (de) 2012-12-03 2015-09-30 VKR Holding A/S Abschirmvorrichtung für ein Fenster
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ES2722625T3 (es) 2019-08-14
EP3258055A1 (de) 2017-12-20
PL3492686T3 (pl) 2021-05-31

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