SHADING DEVICE
20250382841 ยท 2025-12-18
Assignee
Inventors
Cpc classification
E06B9/262
FIXED CONSTRUCTIONS
E06B9/322
FIXED CONSTRUCTIONS
E06B2009/2625
FIXED CONSTRUCTIONS
International classification
E06B9/262
FIXED CONSTRUCTIONS
E06B9/302
FIXED CONSTRUCTIONS
Abstract
A shading device for being arranged in association to a window includes an elongated guide rail arrangement that is adapted to be stationarily arranged relative to the window, an extendable covering, at least one elongated support member and a movement arrangement. The extendable covering is supported by the at least one elongated support member, wherein the at least one elongated support member is arranged to extend with its longitudinal direction in a transverse orientation relative to a longitudinal direction of the elongated guide rail arrangement and arranged to be movable along the elongated guide rail arrangement in the transverse orientation by the movement arrangement so that the extendable covering may be moved between a retracted state and an extended state for covering the window to different extents.
Claims
1. A shading device for being arranged in association to a window, wherein the shading device comprises an elongated guide rail arrangement that is adapted to be stationarily arranged relative to the window, an extendable covering, at least one elongated support member, and a movement arrangement, wherein the extendable covering is supported by the at least one elongated support member, wherein the at least one elongated support member is arranged to extend with its longitudinal direction in a transverse orientation relative to a longitudinal direction of the elongated guide rail arrangement and arranged to be movable along the elongated guide rail arrangement in the transverse orientation by the movement arrangement so that the extendable covering may be moved between a retracted state and an extended state for covering the window to different extents, wherein the elongated guide rail arrangement comprises at least one housing defining at least one inner elongated chamber extending in the longitudinal direction of the elongated guide rail arrangement, a first slot and a second slot extending in the longitudinal direction of the elongated guide rail arrangement for forming a communication between one of the at least one inner elongated chamber and an outside of the elongated guide rail arrangement, wherein the first slot faces in a first lateral direction of the elongated guide rail arrangement and the second slot faces in a second lateral direction of the elongated guide rail arrangement that is opposite the first lateral direction, wherein the movement arrangement is at least partially arranged inside the at least one inner elongated chamber, and wherein the at least one elongated support member is connected to the movement arrangement via said first slot and via said second slot.
2. The shading device according to claim 1, wherein the at least one elongated support member is arranged in the transverse orientation so that a first portion of the elongated support member is arranged on a first lateral side of the elongated guide rail arrangement and a second portion of the elongated support member is arranged on a second lateral side of the elongated guide rail arrangement.
3. The shading device according to claim 2, wherein the at least one elongated support member is connected to the elongated guide rail arrangement in a centre region of the elongated support member in its longitudinal direction in a way that the first portion and the second portion of the elongated support member are substantially of equal lengths.
4. The shading device according to claim 1, wherein the extendable covering is arranged symmetrically on either lateral side of the elongated guide rail arrangement.
5. The shading device according to claim 1, wherein the elongated guide rail arrangement comprises a first guide rail that comprises the first slot and a second guide rail that comprises the second slot, wherein the first guide rail and the second guide rail are arranged in parallel with each other.
6. The shading device according to claim 5, wherein the first guide rail and the second guide rail are arranged adjacent each other.
7. The shading device according to claim 5, wherein the first guide rail and the second guide rail are arranged rigidly attached to each other.
8. The shading device according to claim 1, wherein the shading device comprises a pair of arms associated to each one of the at least one elongated support member, wherein the arms extend in a transverse direction relative to the longitudinal direction of the elongated support member, wherein a first end of each arm is connected to the elongated support member and a second end of each arm is connected to the movement arrangement via the first slot and second slot, respectively.
9. The shading device according to claim 8, wherein the first end of each arm is connected to the at least one elongated support member by a clip that partially surrounds the at least one elongated support member.
10. The shading device according to claim 1, wherein the extendable covering comprises a sheet of fabric that is connected to the at least one elongated support member.
11. The shading device according to claim 1, wherein the at least one elongated support member is formed by a straight pin.
12. The shading device according to claim 1, wherein the shading device comprises a plurality of elongated support members, and wherein each one of the plurality of elongated support members is arranged to extend in the transverse orientation relative to the longitudinal direction of the elongated guide rail arrangement and arranged to be movable along the elongated guide rail arrangement in a way that their interspacing may be changed from a first interspacing when the extendable covering is in the retracted state to a second interspacing when the extendable covering is in the extended state, wherein the second interspacing is larger than the first interspacing.
13. The shading device according to claim 12, wherein at least two of said plurality of elongated support members have different lengths.
14. The shading device according to claim 12, wherein the extendable covering is connected to a plurality of the movably arranged elongated support members at a set spacing in an extension direction of the extendable covering so that the extendable covering may be arranged in a generally plane configuration when it is in extended end state and in a folded/undulating configuration when it is in a retracted end state.
15. The shading device according to claim 1, wherein the at least one housing comprises at least one wall portion that forms a front face and/or rear face of the guide rail arrangement, wherein the guide rail arrangement has a curved shape along at least one part of the guide rail arrangement in its longitudinal direction, wherein the movement arrangement comprises at least one elongated flexible element arranged in the inner elongated chamber of the housing and wherein the at least one elongated flexible element is adapted to be arranged in contact with an inner surface of the at least one wall portion in the curved part of the guide rail arrangement so that the elongated flexible element may slide along the inner surface during movement of the extendable covering between the retracted state and the extended state.
16. The shading device according to claim 15, wherein at least one elongated flexible element is formed by a continuous band that has a smooth outer surface for sliding in contact with the inner surface of the at least one wall portion in the curved part of the guide rail arrangement.
17. The shading device according to claim 1, wherein the movement arrangement comprises a drive motor, at least one pair of wheels and at least one elongated flexible element, wherein the wheels in said at least one pair of wheels are arranged spaced from each other in the longitudinal direction of the guide rail arrangement, wherein the elongated flexible element is arranged in a loop around the wheels in said at least one pair of wheels, wherein the drive motor is adapted to rotate at least one of the wheels, wherein the at least one movably arranged elongated support member is operationally connected to the elongated flexible element.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0031] With reference to the appended drawings, below follows a more detailed description of embodiments of the invention cited as examples.
[0032] In the drawings:
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DETAILED DESCRIPTION
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[0050] A first one 8 of the elongated support members 8, 10, 12, 14, 16, 18 is arranged at a first end 7 of the extendable covering 6 in its extension direction and attached to the extendable covering 6. The first elongated support member 8 has a first length in its longitudinal direction. More specifically, the first length of the first elongated support member 8 matches a lateral extension of the extendable covering 6 at the first end 7 of the extendable covering 6. A second one 10 of the elongated support members 8, 10, 12, 14, 16, 18 is arranged adjacent the first elongated support member 8 and attached to the extendable covering 6 at a set distance along the extendable covering 6 from the first elongated support member 8. The second elongated support member 10 has a second length in its longitudinal direction that is longer than the first length of the first elongated support member 8. More specifically, the second length of the second elongated support member 10 matches a lateral extension of the extendable covering 6 at a distance from the first end 7 of the extendable covering 6. A further one 18 of the elongated support members 8, 10, 12, 14, 16, 18 is arranged at a second end 9 of the extendable covering 6 in its extension direction and attached to the extendable covering 6. The further elongated support member 18 arranged at the second end 9 of the extendable covering 6 in its extension direction has a greatest length of the elongated support members 8, 10, 12, 14, 16, 18. More specifically, the further elongated support member 18 has a length that matches a lateral extension of the extendable covering 6 at the second end 9 of the extendable covering 6. More specifically, the elongated support members 8, 10, 12, 14, 16, 18 have lengths that are continuously increasing between the first end 7 of the extendable covering 6 and the second end 9 of the extendable covering 6. Further, the elongated support members 8, 10, 12, 14, 16, 18 are attached to the extendable covering 6 at set distances, in this embodiment at equal interspacing in the extension direction.
[0051] Further, the elongated support members 8, 10, 12, 14, 16, 18 are arranged on a front side of the elongated guide rail arrangement 4. Further, the elongated support members 8, 10, 12, 14, 16, 18 have lengths that are substantially longer than a width of the elongated guide rail arrangement 4. More specifically, the first elongated support member 8 is arranged in the transverse orientation so that a first portion 22 of the first elongated support member 8 is arranged on a first lateral side of the elongated guide rail arrangement 4 and a second portion 24 of the elongated support member 8 is arranged on a second lateral side of the elongated guide rail arrangement 4 when seen in a front view. More specifically, the elongated support member 8 is connected to the elongated guide rail arrangement 4 in a centre region 26 of the elongated support member 8 in its longitudinal direction in a way that the first portion 22 and the second portion 24 of the elongated support member are substantially of equal lengths. The further elongated support members 10, 12, 14, 16, 18 are arranged relative to the elongated guide rail arrangement 4 in a similar fashion.
[0052] Further, the elongated support members 8, 10, 12, 14, 16, 18 are adapted in lengths for matching a width of the extendable covering 6. Accordingly, the extendable covering 6 has a design with lateral boundaries arranged symmetrically on either side of a centre plane that coincides with the elongated guide rail arrangement 4.
[0053] The elongated guide rail arrangement 4 comprises a first guide rail 28 and a second guide rail 30 that are arranged in parallel with each other. Thus, each one of the first guide rail 28 and the second guide rail 30 has a longitudinal extension along a straight line. The first guide rail 28 comprises a first housing 32 defining at least one inner elongated chamber 33 extending in the longitudinal direction of the first guide rail 28. The first guide rail 28 further comprises a first slot 34 extending in the longitudinal direction of the first guide rail 28 for forming a communication between the inner elongated chamber 33 and an outside of the first guide rail. The first slot 34 faces in a first lateral direction of the elongated guide rail arrangement 4. The first housing 32 has a generally rectangular cross section.
[0054] The second guide rail 30 comprises a second housing 36 defining at least one inner elongated chamber 37 extending in the longitudinal direction of the second guide rail 30. The second guide rail 30 further comprises a second slot 38, see
[0055] The first guide rail 28 and the second guide rail 30 are in this embodiment identical and arranged in a back-to-back relationship so that the slots 34, 38 face in opposite directions away from each other. Further, the first guide rail 28 and the second guide rail 30 are arranged adjacent each other. Further, the first guide rail 28 and the second guide rail 30 are arranged rigidly attached to each other.
[0056] Turning now to the movement arrangement 20. The movement arrangement 20 comprises a drive motor 44 that has an output rotational shaft 46. The movement arrangement 20 further comprises a first pair of two wheels 48, 50, one wheel at each end of the first guide rail 28, and an endless elongated flexible element 52 that is operationally connecting the two wheels 48, 50. Accordingly, the endless elongated flexible element 52 is provided inside of the first housing 32. The movement arrangement 20 further comprises a second set of two wheels 54, 56, one wheel at each end of the second guide rail 30, and an endless elongated flexible element 58 that is operationally connecting the two wheels 54, 56. Accordingly, the endless elongated flexible element 58 is provided inside of the second housing 36. The arrangement of the wheels and the continuous elongated flexible element are identical in the first guide rail 28 and in the second guide rail 30, wherein a movement of the two continuous elongated flexible elements 52, 58 are synchronized so that they move in unison. More specifically, each one of the two continuous elongated flexible elements 52, 58 is formed by an endless band with a toothing, see
[0057] The elongated support members 8, 10, 12, 14, 16, 18 are connected to the elongated flexible elements 52, 58 so that the elongated support members 8, 10, 12, 14, 16, 18 may be moved in the longitudinal direction of the guide rail arrangement 4 by means of the movement arrangement 20. More specifically, the first elongated support member 8 is rigidly attached to the endless elongated flexible elements 52, 58 by means of a pair of spaced engagement members 60, 62. It will be further described below with reference to
[0058] Each one of the further elongated support members 10, 12, 14, 16, 18 is connected to a pair of wheeled carriages 64, 66. Each one of the wheeled carriages 64, 66 is adapted to be arranged inside of the first housing 32 and the second housing 36, respectively. Each one of the wheeled carriages 64, 66 comprises a set of wheels 77, 79, see
[0059] The shading device 2 further comprises a first pair of arms 68, 70 associated to the first elongated support member 8, wherein the arms 68, 70 extend in a transverse direction relative to the longitudinal direction of the first elongated support member 8. A first end of each arm 68, 70 is connected to the first elongated support member 8 by means of a clip 69, 71 that partially surrounds the first elongated support member 8. A second end of each arm 68, 70 is connected to the engagement members 60, 62 via the first slot 34 and second slot 38, respectively, see also
[0060] The shading device 2 further comprises a second pair of arms 72, 74 associated to the second elongated support member 10, wherein the arms 72, 74 extend in a transverse direction relative to the longitudinal direction of the second elongated support member 10. A first end of each arm 72, 74 is connected to the second elongated support member 10 by means of a clip 73, 75 that partially surrounds the second elongated support member 10. A second end of each arm 72, 74 is connected to the wheeled carriages 64, 66 via the first slot 34 and second slot 38, respectively. The further elongated support members 12, 14, 16, 18 are connected to their respective wheel carriages in a similar manner as has been described for the second elongated support member 10.
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[0074] It is to be understood that the present invention is not limited to the embodiments described above and illustrated in the drawings; rather, the skilled person will recognize that many changes and modifications may be made within the scope of the appended claims.
[0075] According to one alternative, the second rail in the rail arrangement may be of a different design and/or dimensions relative to the first rail.
[0076] According to one further alternative, the rail arrangement may comprise a single rail that presents two parallel slots facing in opposite directions. Accordingly, all attachment means and wheeled carriages may be arranged in one single housing.
[0077] Further, in the first embodiment described above, the extendable covering forms a link between the first attachment means and the uppermost wheeled carriage and between the further wheeled carriages for aiding in the extension of the extendable covering. According to one alternative or complement, a cord or similar may be arranged forming a link between the first attachment means and the uppermost wheeled carriage and between the further wheeled carriages for aiding in the extension of the extendable covering.
[0078] According to one further example, the extendable covering comprises a plurality of separate, interconnected and spaced parallel vane members. According to one example, the covering is formed by a so-called Venetian blind. The vane members are preferably of equal design and material. The vane members may alternatively be called blades or slats. According to one example, the vane members are substantially flat and rectangular with a main extension in a longitudinal direction and a secondary extension transverse direction relative to the longitudinal direction. Further, vane members are arranged in a spaced relationship on top of each other in the extension direction of the extendable covering. More specifically, the vane members are arranged so that their longitudinal direction is in a transverse direction of the extension direction of the extendable covering. According to one example, the vane members are substantially rigid. According to one example, the vane members are of plastic material. According to one alternative, the vane members are of wood or fiber material such as a lignocellulose-containing material. According to a further alternative, the vane members are of metallic material. The vane members may be interconnected by means of a cord. Further, the at least one elongated support member may be integrated in the plurality of separate, interconnected and spaced parallel vane members.