EP3040505A1 - Führungsschienenanordnung - Google Patents

Führungsschienenanordnung Download PDF

Info

Publication number
EP3040505A1
EP3040505A1 EP14200517.2A EP14200517A EP3040505A1 EP 3040505 A1 EP3040505 A1 EP 3040505A1 EP 14200517 A EP14200517 A EP 14200517A EP 3040505 A1 EP3040505 A1 EP 3040505A1
Authority
EP
European Patent Office
Prior art keywords
guide rail
profile
base profile
screen
side profiles
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.)
Ceased
Application number
EP14200517.2A
Other languages
English (en)
French (fr)
Inventor
designation of the inventor has not yet been filed The
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.)
Gueler Muzaffer
Original Assignee
Gueler Muzaffer
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 Gueler Muzaffer filed Critical Gueler Muzaffer
Priority to EP14200517.2A priority Critical patent/EP3040505A1/de
Publication of EP3040505A1 publication Critical patent/EP3040505A1/de
Ceased legal-status Critical Current

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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
    • E06B9/581—Means to prevent or induce disengagement of shutter from side rails
    • 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
    • E06B2009/587—Mounting of guiding devices to supporting structure

Definitions

  • the present invention relates to roll down screens such as zipscreens, more particularly to guide rails for guiding the lateral ends of a roll down screen.
  • the present invention further relates to methods of mounting a roll down screen.
  • Roll down screens or awnings, roller shutters, roller blinds, and the like are used for various purposes such as for obscuring or blocking light, and for closing or protecting windows and doors.
  • the devices typically comprise a flexible screen or hinged lamellae which can be wound on and unwound from a winding shaft provided in a screen housing.
  • both lateral edges of the screen are typically guided slidingly within a channel of a guide rail.
  • the guide rails typically incorporated in a supporting profile.
  • the supporting profile may be provided as two separate pieces which are connected via interlocking features, for example as shown in European patent application EP 1 669 537 . Supporting profiles as described in EP 1 669 537 are typically attached to the surface of a wall.
  • guide rails and their corresponding base profiles are increasingly installed between a window or door frame and the outer sheet of a cavity wall, or even incorporated in the door or wall frame.
  • the joint between the base profile and the wall is typically sealed, e.g. with a silicone seal.
  • This can give raise to problems if the guide rail must be removed from the base profile, for example for maintenance or repair. In such case, the silicone seal must be cut in order to release the guide rail. This is a cumbersome task, involving a high risk of damaging the base profile.
  • the joint between the base profile and the wall must be resealed.
  • the quality and look of the new seal typically is inferior to the quality and look of the original seal, as parts of the original seal are typically still present when resealing. Accordingly, there is a need for roll down screen systems which mitigate at least one of the above problems.
  • guide rail assemblies for guiding the lateral ends of a roll down screen or roller shutter, comprising a guide rail which is positioned within a base profile having a longitudinal opening, wherein the guide rail is flanked by one or more removable side profiles which secure the position of the guide rail within the base profile. More particularly, the combination of the removable side profiles with the guide rail ensure that the guide rail can be removed from the base profile, e.g. for replacement of the shutter, when the base profile is in a fixed position.
  • the side profiles can be positioned within the base profile so as to stably lock the guide rail in position, but can be manually moved to another position whereby the guide rail is released.
  • a guide rail assembly for guiding a roll down screen comprising:
  • the guide rail assembly comprises a pair of side profiles positioned between said shoulders and at opposing sides of said guide rail profile, thereby preventing said guide rail profile from passing through said frontal longitudinal opening; said side profiles being removable via said frontal longitudinal opening.
  • said base profile and said one or more side profiles provide an open channel for said guide rail profile, said open channel comprising a frontal abutment and back abutment between which said guide rail profile is allowed to move.
  • said base profile is provided with a spring member which presses said guide rail profile against said back abutment.
  • said frontal abutment is provided on one of said one or more side profiles, and said back abutment is provided on said base profile.
  • said base profile and said one or more side profiles are provided with interlocking features for locking the position of said one or more side profiles within said base profile.
  • said interlocking features include a ridge provided on one of said shoulders and a corresponding slot or ridge provided on one of said one or more side profiles.
  • At least one of said shoulders is provided with a recess which allows for one of said one or more side profiles to rotate around its longitudinal axis when being removed from said base profile via said frontal longitudinal opening.
  • said recess has an at least partially rounded inner surface.
  • said one or more side profiles have a frontal longitudinal side facing said frontal longitudinal opening and a back longitudinal side facing said back wall, wherein a slit is provided between at least one of said shoulders and the frontal longitudinal side of the adjacent side profile.
  • the rail guide assembly further comprises a separate fixation profile, wherein said base profile and fixation profile are provided with interlocking features for interconnecting said fixation profile and said base profile.
  • kit for mounting a roll down screen comprising a base profile, guide rail profile, and one or more side profiles which can be connected to form a guide rail assembly as described herein.
  • the kit comprises two base profiles, two guide rail profiles, and two or more side profiles which can be connected to form two screen guide assemblies for guiding two opposing lateral sides of a screen.
  • the kit further comprises a screen wherein the lateral edges of said screen are provided with flexible strips configured to engage said base profiles.
  • an apparatus for mounting a rail for guiding a lateral side of a roll down screen comprising:
  • the guide rail assembly described herein is easy to install and greatly facilitates removal of the guide rail from the base profile, for example for maintenance purposes, even if the base profile is incorporated in a door or window frame, or incorporated in a wall structure.
  • the guide rail assembly can be removed using relatively simple tools such as a siding removal tool or zip tool.
  • the fact that the one or more guide profiles can be inserted in and removed from the base profile via the frontal opening allows for a highly compact design.
  • Fig. 1 shows a typical configuration of a roll down screen (4) provided in front of a window (2).
  • the screen is wound and unwound from a winding shaft (not shown) in a housing (1).
  • the lateral sides of the screen (4) are guided by a pair of opposing guide rails (3).
  • the lateral sides of the screen (4) are slightly thicker than the rest of the screen, such that the sides stay within the guide rails, thereby rendering the screen relatively windproof.
  • this is done by providing each of the lateral sides with a flexible strip such as one half of a zipper.
  • Such screens are well known in the art as zipscreens.
  • the screen guides provided herein are not limited to configurations as shown in Fig. 1 .
  • the screen may be a projection screen which is provided in front of a wall instead of a window, be provided on a non-vertical surface, be provided in front of a door, etc.
  • the guide rails described herein are not strictly limited to be used for roll down screens, but may also be used for roller shutter devices, roller blinds, roller doors, roller curtains, sun blinds, awnings, sun screens, and projection screens.
  • the term "screen” as used herein may comprise shutters or screens which are provided as a sheet of a flexible material such as a fabric, or made of interconnected lamellae as known in the art.
  • a guide rail assembly comprising a guide rail which is positioned within a base profile having a longitudinal opening, wherein the guide rail is flanked by one or more removable side profiles which secure the position of the guide rail within the base profile.
  • the guide rail assembly described herein comprises:
  • the guide rail profile has a longitudinal shape, wherein the length of the rail profile determines the distance along which the screen to be guided can travel.
  • the term "longitudinal” as used herein refers to an object having a length/width ratio of at least 5, preferably at least 10.
  • the guide rail is provided with an open channel, thereby providing a longitudinal frontal opening.
  • the term "frontal” as used herein refers to the side of the guide rail profile, base profile, and side profiles which, when used for guiding a screen, faces the screen.
  • the term “back” as used herein refers to the side of the guide rail profile, base profile, and side profiles opposite tot the frontal side.
  • the width of the frontal longitudinal opening provided by the channel is typically less than the maximal width of the channel. In this way, the opening can allow passage of the screen but not of the zipper or the like which is contained in the channel.
  • the guide rail is provided within a base profile.
  • the base profile has a longitudinal shape as to accommodate a guide rail over its entire length and comprises two opposing walls or shoulders, which are interconnected via a back wall, said walls or shoulders forming a frontal longitudinal opening.
  • the configuration of the opposing shoulders, back wall and frontal opening means that the base profile will essentially have a U-shaped transverse cross section.
  • the base profile is made of a single plate of material which is bent as to provide a U-shaped transverse cross section.
  • the shoulders and back wall may be provided as multi-chambered structures and/or provided with wings or other structures in order to reduce heat transfer through the base profile.
  • the base profile is typically provided as a single part. However, it is envisaged that in certain embodiments, the base profile may comprise two or more interconnectable separate parts.
  • the frontal longitudinal opening of the base rail allows for insertion of the guide rail profile into the base rail and subsequent removal of the guide rail profile. Accordingly, the length and width of the frontal longitudinal opening are typically is about the same as the length and width of the guide rail profile to be inserted. Typically, the frontal longitudinal opening extends along the entire length of the base rail.
  • the internal width of the base profile will typically be larger than the width of the guide profile, as to accommodate one or more side profiles which prevent the guide rail profile from moving through the frontal longitudinal opening.
  • the guide rail assembly described herein is provided with one or more side profiles which are positioned within the base profile, more particularly between the shoulders of the base profile and the guide rail.
  • the guide rail assembly is provided with a pair of side profiles which are positioned between the shoulders and at opposing sides of the guide rail, thereby preventing the guide rail profile from passing through the frontal longitudinal opening and preferably preventing lateral movement of said guide profile; wherein the side profiles are removable via the frontal longitudinal opening. The inventors have found that this provides an optimal stability to the guide rail assembly.
  • the one or more side profiles and the base profile define an open channel for accommodating the guide rail profile. More particularly, the channel has a width which matches the width of the guide rail profile, whereas the opening of the channel has a width which allows for a screen to pass, but not for the for the guide rail profile to pass.
  • the guide rail profile can be inserted in and removed from the base profile via the frontal longitudinal opening of the base profile. Accordingly, the guide rail assembly described herein can allow for a stable fixation of the guide rail profile within the base profile, while still allowing for an easy removal of the guide rail profile.
  • the one or more side profiles may be provided along the entire length of the guide rail profile, or only along a part of the length.
  • the side profile(s) may or may not have the same length as the guide rail profiles. Indeed, a sufficient stability of the assembly may be obtained by using shorter side profiles.
  • the guide rail assembly may be provided with a plurality of (short) side profiles, such that a plurality of side profiles can be provided along the length of the guide rail.
  • only one or two side profiles are provided, preferably one for each lateral side of the guide rail profile.
  • the insertion and removal of the one or more side profiles is done via the longitudinal frontal opening of the base profile. More particularly, the one or more side profiles and base profile are dimensioned such that the side profiles can be inserted into the base profile already provided with the guide rail profile, via the longitudinal frontal opening of the base profile. Subsequent removal of the side profiles can also be done via the longitudinal frontal opening of the base profile.
  • the base profile is designed such that at least one side profile can be slightly tilted along its longitudinal axis during insertion in or removal from the base profile. This can facilitate such insertion or removal.
  • one or both shoulders of the base profile may be provided with a recess which can accommodate the back longitudinal side of the adjacent side profile, thereby allowing for said side profile to rotate around its longitudinal axis when being removed from said base profile via said frontal longitudinal opening.
  • the recess(es) allow for a rotation of at least 5°, more preferably at least 10°.
  • the recess may have an inner surface which is at least partially rounded. The rounded surface may be a convex or concave surface. Such surface can be used for gently guiding the side profile to its correct position during insertion.
  • the one or more side profiles and the base profile define an open channel for accommodating the guide rail profile.
  • the width of the channel more particularly the distance between opposing side profiles or a side profile and the opposing shoulder, will be such that the guide rail profile cannot move in the direction of the one or more side profiles.
  • Such tight fixation of the guide rail profile between the side profiles can prevent the guide rail profile from making clanging noises when the screen moves due to the wind.
  • the open channel may allow some movement of the guide rail profile within the channel, towards the frontal longitudinal opening of the base profile. This can help reducing strain and resulting screen damage caused by the wind.
  • the channel may provide a frontal abutment and back abutment for the guide rail profile, which limit the movement of the guide rail profile in the direction of the frontal longitudinal opening.
  • frontal abutment and back abutment refer to an abutment closer to the frontal longitudinal opening and further away from the frontal longitudinal opening, respectfully.
  • the distance between the frontal and back abutment is such that some movement of the guide rail profile towards and from the frontal longitudinal opening of the base profile is allowed.
  • a movement over a distance between 3 mm and 20 mm is allowed.
  • a movement over a distance between 5 mm and 15 mm is allowed.
  • the back abutment is provided on the base profile, whereas the frontal abutment is provided by at least one side profile. This allows for an easy insertion and removal of the side profiles.
  • the frontal abutment is preferably provided by both side profiles.
  • the frontal and back abutments may be provided in different shapes or forms, e.g. as a supporting surface, or as a plurality of supporting ridges.
  • the abutment(s) which are provided on the base profile may be provided on the back wall and/or on one or both shoulders.
  • the guide rail assembly is provided with a spring member which presses the guide rail profile towards the back abutment.
  • the spring member can have various shapes or forms and can for example comprise a torsion spring, compression spring, a custom wire form spring (i.e. a bent wire), and the like.
  • the spring member is or comprises a wire form spring having a v- or w-shape.
  • the one or more side profiles are provided with one or more channels providing a longitudinal opening for positioning a spring member.
  • the guide rail may be provided with one or more wings or ridges, wherein the longitudinal opening of the one or more channels face said one or more wings or ridges. In this way, spring members can be positioned in the channels and contact the guide rail via the wings.
  • the base profile and the one or more side profiles are preferably provided with corresponding engaging features such as interengageing profiles and/or interlocking features for locking the position of the side profiles within the base profile, more particularly to prevent the side profiles from sliding out of the base profile via the frontal longitudinal opening thereof.
  • interlocking features may have various forms or shapes.
  • the interlocking features may include a ridge provided on one of said lateral walls and a corresponding slot or ridge provided on one of said one or more side profiles.
  • the interlocking features of the base profile and a side profile may be disengaged by slightly bending the side profile.
  • the base profile and at least one of the side profiles may be designed such that a slit is provided between the frontal sides of the side profile and the adjacent shoulder of the base. More particularly, the slit may have a width which allows for tools such as a screwdriver or zip tool to be inserted into the slit, thereby facilitating the disengagement of the engaging features of the base profile and the side profile.
  • the slit will have a width between 1 and 5 mm.
  • the slit has a depth of between 2 and 10 mm.
  • the base profile is provided with a slot for guiding a cable, for example a cable for the power supply of an electromotor which is positioned inside the roller shutter housing for driving the winding shaft.
  • the base profile is provided with attachment features which allow for attaching the base profile to structures such as walls, window frames, etc.
  • the attachment features include one or more screw holes.
  • the guide rail assembly described herein may be provided with a separate fixation profile which can be connected to the base profile, for example via interengageable profiles and/or corresponding interlocking features provided on the fixation profile and the base profile.
  • the fixation profile is typically provided with fixation features such as screw holes.
  • the base profile may be joined to an element of a window or door frame. More particularly, the base profile may be an integral part of the window or door frame.
  • the base profile, guide rail profile, and one or more side profiles of the guide rail assembly described herein are typically made of materials which can provide sufficient rigidity and strength to the guide rail assembly to effectively guide a screen. Suitable materials of which the profiles can be made include, but are not limited to metals or metal alloys such as aluminium or steel, and polymers such as polyvinylchloride.
  • the base profile, guide rail profile, and one or more side profiles may be made of the same or different materials.
  • kits for mounting a roll down screen comprising a base profile, guide rail, and one or more side profiles which can be connected to form a guide rail assembly as described herein.
  • the kit may comprise two base profiles, two guide rails, and two or more side profiles which can be connected to form two screen guide assemblies for guiding two opposing lateral sides of a screen.
  • the kit comprises one pair of side profiles per base profile.
  • the kit may further comprise a screen of which the lateral sides are provided with flexible strips configured to engage said guide rail profiles.
  • the screen is provided on a winding shaft, which is provided in a housing.
  • an apparatus for mounting a guide rail profile for guiding a lateral side of a zip-like screen comprising a base profile and one or more removable side profiles as described above. More particularly, the apparatus comprises a base profile and one or more side profiles which, when positioned within the base profile, provide an open channel for accommodating a guide rail profile.
  • Fig. 2 shows the transverse cross section of a particular embodiment of a guide rail assembly (3) as described herein.
  • Fig. 3 shows a perspective view of the same guide rail assembly (3), wherein the guide rail profile (5) is raised partially above the base profile (6) and side profiles (7, 8) for the purpose of illustration.
  • the guide rail assembly (3) comprises guide rail profile (5), a base profile (6), and two side profiles (7, 8).
  • the base profile (6) comprises two opposing shoulders (9, 10) which are connected via a back wall (11).
  • the opposing shoulders (9, 10) further define a frontal longitudinal opening (12).
  • the guide rail profile (5) is provided with an open channel (21) for guiding a lateral side of a screen, and is positioned within the base profile (6), with opening of the channel (21) facing the frontal longitudinal opening (12) of the base profile (6).
  • the width of the frontal longitudinal opening (12) and of the guide rail profile (5) is such that the guide rail profile (5) can pass through the opening (12).
  • the assembly (3) further comprises a pair of side profiles (7, 8) which are provided within the base profile (6) and at opposing sides of the guide rail profile (5).
  • the position of the side profiles (7, 8) within the assembly (3) is locked via interlocking features, more particularly ridges (15, 16) which are provided on the shoulders (9, 10) and corresponding slots (17, 18) provided on the side profiles (7, 8).
  • the side profiles (7, 8) provide frontal abutments (22, 23) and the base profile (6) provides a back abutment (24) which limit the movement of the guide rail profile (5) in the direction towards and from the frontal longitudinal opening (12).
  • the abutments (22, 23, 24) allow some movement in this direction.
  • the guide rail assembly (3) is provided with a spring element (25) (Only shown in Fig. 3 ), more particularly a v-shaped wire, which presses the guide rail profile (5) towards the back abutment (24).
  • the spring element may be positioned in a channel (34) provided on a side profile, such that the spring element (25) contacts the side profile and the guide rail profile.
  • each of the side profiles (7, 8) is provided with a channel (34) and a spring element (25).
  • the side profiles (7, 8) can be removed from the assembly (3) by moving the side profiles (7, 8) in the direction of the frontal opening (12). In order to do so, the interlocking features (15, 16, 17, 18) must first be disengaged. This can be done by using a tool such as a zip tool (26) which is positioned in a slit (19, 20) provided between each side profile (7, 8) and the adjacent shoulder (9, 10).
  • a side profile (7) from the guide rail assembly (3) via the use of a screwdriver or a dedicated zip tool (26) is shown in Fig. 4 .
  • the shoulders of the base profile are each provided with a recess (13, 14) which allows for the side profiles (7, 8) to rotate along the longitudinal axis during insertion and removal.
  • the recesses (13, 14) are provided with a rounded inner surface for guiding the side profiles (7, 8) towards the correct position.
  • the guide rail assembly (3) may be fully incorporated in a wall structure as shown in Fig. 5 . More particularly, the assembly (3) may be installed between a window frame (27) and an outer wall (32) of a cavity wall comprising an inner wall (30), a cavity (31) and an outer wall (32).
  • the base profile (6) is connected to the window frame (27) via a separate fixation profile (33) which is connectable to the base profile (6). Even when the assembly is incorporated in the structure as shown in Fig. 5 , the guide rail profile (5) can still be easily removed from the assembly (3) by first removing of the side profiles (7, 8).

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
EP14200517.2A 2014-12-30 2014-12-30 Führungsschienenanordnung Ceased EP3040505A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14200517.2A EP3040505A1 (de) 2014-12-30 2014-12-30 Führungsschienenanordnung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14200517.2A EP3040505A1 (de) 2014-12-30 2014-12-30 Führungsschienenanordnung

Publications (1)

Publication Number Publication Date
EP3040505A1 true EP3040505A1 (de) 2016-07-06

Family

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Family Applications (1)

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EP14200517.2A Ceased EP3040505A1 (de) 2014-12-30 2014-12-30 Führungsschienenanordnung

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EP (1) EP3040505A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108193986A (zh) * 2017-12-15 2018-06-22 天津实德新型建材科技有限公司 一种嵌入式防尘轨道推拉门
WO2019030618A1 (en) * 2017-08-09 2019-02-14 Professional Blinds System Inc CONSTRUCTION ASSEMBLY FOR INSTALLING A ROLL-UP OR SIMILAR STORAGE
CN111720037A (zh) * 2020-07-22 2020-09-29 广东卓越智博智能遮阳科技有限公司 一种防风卷帘
WO2021110426A1 (de) 2019-12-04 2021-06-10 Stobag Ag Beschattungsvorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235005A (en) * 1989-08-03 1991-02-20 Seizo Hayashiguchi Screen
EP1669537A2 (de) 2004-12-10 2006-06-14 Corradi S.r.l. Führungseinrichtung für aufrollbare Stores
EP2045436A1 (de) * 2007-10-02 2009-04-08 Pronema S.r.l. Multifunktionelles Führungsprofil für Mobilbildschirme und Befestigungssystem mit einem derartigen Profil
EP2631414A2 (de) * 2012-02-27 2013-08-28 Roma Kg Führungsschiene für Senkrechtmarkise und Senkrechtmarkise

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235005A (en) * 1989-08-03 1991-02-20 Seizo Hayashiguchi Screen
EP1669537A2 (de) 2004-12-10 2006-06-14 Corradi S.r.l. Führungseinrichtung für aufrollbare Stores
EP2045436A1 (de) * 2007-10-02 2009-04-08 Pronema S.r.l. Multifunktionelles Führungsprofil für Mobilbildschirme und Befestigungssystem mit einem derartigen Profil
EP2631414A2 (de) * 2012-02-27 2013-08-28 Roma Kg Führungsschiene für Senkrechtmarkise und Senkrechtmarkise

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019030618A1 (en) * 2017-08-09 2019-02-14 Professional Blinds System Inc CONSTRUCTION ASSEMBLY FOR INSTALLING A ROLL-UP OR SIMILAR STORAGE
CN108193986A (zh) * 2017-12-15 2018-06-22 天津实德新型建材科技有限公司 一种嵌入式防尘轨道推拉门
WO2021110426A1 (de) 2019-12-04 2021-06-10 Stobag Ag Beschattungsvorrichtung
DE102019008410A1 (de) * 2019-12-04 2021-06-10 Stobag Ag Beschattungsvorrichtung
CN111720037A (zh) * 2020-07-22 2020-09-29 广东卓越智博智能遮阳科技有限公司 一种防风卷帘

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