EP3825507B1 - Store roulant qui s'ouvre et se ferme librement - Google Patents

Store roulant qui s'ouvre et se ferme librement Download PDF

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Publication number
EP3825507B1
EP3825507B1 EP19807513.7A EP19807513A EP3825507B1 EP 3825507 B1 EP3825507 B1 EP 3825507B1 EP 19807513 A EP19807513 A EP 19807513A EP 3825507 B1 EP3825507 B1 EP 3825507B1
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EP
European Patent Office
Prior art keywords
traction
roller blind
upward
opens
section
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
EP19807513.7A
Other languages
German (de)
English (en)
Other versions
EP3825507A1 (fr
EP3825507C0 (fr
EP3825507A4 (fr
Inventor
Jiwen Zhang
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.)
Nanyang Kunyuan Intelligent Technology Co Ltd
Original Assignee
Nanyang Kunyuan Intelligent Technology Co Ltd
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
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Publication of EP3825507A1 publication Critical patent/EP3825507A1/fr
Publication of EP3825507A4 publication Critical patent/EP3825507A4/fr
Application granted granted Critical
Publication of EP3825507C0 publication Critical patent/EP3825507C0/fr
Publication of EP3825507B1 publication Critical patent/EP3825507B1/fr
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Anticipated expiration legal-status Critical

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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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • 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
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • 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
    • E06B9/62—Counterweighting arrangements
    • 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
    • E06B9/64—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor with lowerable roller
    • 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
    • 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
    • E06B9/70—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned outside the roller

Definitions

  • the present invention relates to a kind of roller blind, in particular to a kind of roller blind that opens and closes freely in upward and downward directions with higher operational reliability.
  • Roller blinds are easy to use, beautiful, and widely used in home life and offices.
  • a common approach used by the roller blind of the prior art is fixing and installing a reel at the upper end of a window, rotating the reel to wind or release a curtain.
  • This kind of roller blind is firstly opened from the lower part of the window so that the upper part of the window blocks the light and the lower part allows the light to pass through; when the roller blind is opened, the lower part of the window cannot block the sight, and the upper part can not allow the light to pass through.
  • roller blind In real life, in private spaces, e.g., rooms, reception rooms and restrooms, and school classrooms and certain office places, it is often desired that the lower half part of the window can block the sight while the upper half part can allow the light to pass through. Therefore, it requires a kind of roller blind that can be opened from the upper part. However, in order to block the sight or direct light at different parts of the window, it is sometimes needed to block the middle or upper part of the window; therefore, an ideal roller blind function is that the roller blind can be opened by any size of area at any position of the window.
  • ZL201320482322.5 ( CN203476169U ) discloses a kind of upper-opening roller blind; in said patent, by connecting both ends of a reel with a movable pulley mechanism, a traction cord drives the movable pulley and the reel to move upward or downward and meanwhile drives the reel to rotate; the speed at which the reel moves upward or downward is similar to the speed at which a curtain is released from or wound around the reel, and the lower end of the roller blind almost keeps stationary, so that a dynamic upper-opening roller blind is realized.
  • a clutch mechanism is arranged between the movable pulley and the reel in said patent, so that any position of the window can be occluded.
  • ZL201620022532.X ( CN205297266U ) discloses a roller blind that can open by any size at any position of a window, which comprises a reel, a curtain, movable pulleys at both ends of a reel, and a traction cord; the two ends of the traction cord are respectively connected with two motor-driven winding devices; by controlling the running mode of the two motors, the curtain can be opened from an upper to a lower position, or the size of the released curtain can be adjusted at any position of the window, so that any position of the lower, middle or upper part of the window can be shaded by the curtain.
  • roller blinds disclosed by the aforementioned patents all rely on the gravity of the reel and the pulling force of the traction cord to drive the reel to rotate; if the gravity of the reel is not sufficient, it will be difficult for the reel to rotate when it moves upward or downward, as a result of which the upper-opening of the roller blind cannot be realized.
  • the roller blinders disclosed by the aforementioned patents all rely on a winding device to wind or release the traction cord to drive the reel; when the traction cord is released, the downward moving of the reel also relies on a gravity force; as a result, it renders said roller blind not suitable to be used in situations that require tilted or horizontal installation. Meanwhile, the winding device occupies the design space, which is disadvantageous to the optimization of the entire system.
  • the present invention provides a roller blind that opens and closes freely in upward and downward directions, which renders the movement of the reel not dependent on its own gravity; therefore, the operation is more reliable, and it enables the roller blind to be used in situations that require tilted or horizontal installation.
  • a roller blind that opens and closes freely in upward and downward directions, comprises a reel, one or more traction cords, and one or more traction devices; wherein an end or ends of the reel is provided with one or more movable pulleys; wherein the one or more traction cords comprise a lift-up section and a pull-down section which move synchronously by the traction of the one or more traction devices; wherein the lift-up section and the pull-down section, after passing the movable pulley, are tensioned upward and downward respectively, thereby keeping the movable pulley stable.
  • the lift-up section and the pull-down section can be separated structures.
  • the one or more traction devices are one or more winding devices arranged at one end or two ends of the lift-up section and the pull-down section; the winding devices' structures are simple, and the winding devices can be driven by motors or manually; either one end or both ends of the lift-up section and the pull-down section can be connected with the one or more winding devices; when the winding devices at the two ends of the lift-up section are winding a cord, and the winding devices at the two ends of the pull-down section are unwinding a cord at the same speed, the movable pulley then only moves upward or downward without rotating; when the winding device at one end of the lift-up section is winding a cord and the winding device at the other end is unwinding a cord at the same speed, and the winding devices at the two ends of the pull-down section are running in opposite direction, the movable pulley then only rotates, and does not move upward or
  • the one or more traction cords have a closed-loop structure;
  • the roller blind that opens and closes freely in upward and downward directions comprises a plurality of tensioning wheels for tensioning the one or more traction cords, and wherein at least one of the plurality of tensioning wheels is a traction wheel which constitutes the one or more traction devices.
  • the closed-loop structure adds one or more tension devices, but omits the one or more winding devices for winding and unwinding the one or more traction cords, and ensures a synchronous movement of the lift-up section and the pull-down section.
  • two traction wheels are included; said two traction wheels pull different ends of the lift-up section and the pull-down section, respectively.
  • the movable pulley can be prevented from rotating, but only moves upward or downward, so that the height of the roller blind can be adjusted.
  • the two traction wheels are respectively driven by two different motors.
  • the two traction wheels may also be provided with only one driving motor; said driving motor drives one of the two traction wheels, which then drives the other traction wheel.
  • a clutch device is arranged between the two traction wheels.
  • the clutch device may be a gear set, which comprises an intermediate gear; when the intermediate gear is engaged with the other gears, the two traction wheels are linked; when the intermediate gear is withdrawn, the two traction wheels are disconnected.
  • the traction cord is a bead chain or a synchronous belt.
  • the roller blind that opens and closes freely in upward and downward directions is configured to have guide grooves on its two sides; wherein the one or more traction devices, the one or more traction cords, and the one or more movable pulleys are arranged on the guide grooves.
  • the guide grooves can limit the lateral swing of the movable pulley, so that the roller blind has a wind-resistance function; and, modularization of the apparatus can be realized, thereby facilitating its assembly.
  • the traction cords and the traction devices are arranged symmetrically; the traction devices on both sides are connected coaxially, the coaxial connection can transmit the driving force of one side to the other side, ensuring a synchronous movement of the traction cords on both sides.
  • the present invention can achieve a free opening and closing of a curtain in upward and downward directions by the following: one or more traction cords are configured to comprise a lift-up section and a pull-down section, said lift-up section and pull-down section tension the movable pulley in two opposite directions, to maintain the balance of the movable pulley; when the lift-up section and the pull-down section move synchronously under traction, the movable pulley can rotate while moving upward or downward, so that the reel can move upward or downward while releasing or rolling the curtain, without relying on the gravity of the reel.
  • 1 is a movable pulley; 2 curtain; 31 lift-up section; 32 pull-down section; 33, 34 connecting section; 41, 42, 43, 44 winding device; 51, 52, 53, 54 tensioning wheel; 6 counterweight; 7 intermediate gear; 8 guide groove; 91, 92 motor; 10 controller; 11 drive rod; 12 fixed gear seat; 61, 62, 63, 64 bead chain.
  • a roller blind that opens and closes freely in upward and downward directions, comprises a reel (not shown in FIG. 1 ), a movable pulley 1, a traction cord, and a curtain 2.
  • the upper end of curtain 2 is fixed on the reel, and the lower end is a free end which is provided with a counterweight 6.
  • the traction cord of the present invention comprises a lift-up section 31 and a pull-down section 32; the two ends of the lift-up section 31 are respectively connected with a winding device 41 and a winding device 42; the two ends of the pull-down section are respectively connected with a winding device 43 and a winding device 44; the lift-up section 31, after passing the movable pulley 1, is tensioned upward; the pull-down section 32 tensions the movable pulley downward, so that the movable pulley 1 keeps stable at any time.
  • a roller blind that opens and closes freely in upward and downward directions, comprises a reel (not shown in FIG. 2 ), a movable pulley 1, and a curtain 2;
  • the traction cord comprises a lift-up section 31 and a pull-down section 32, which are connected by connecting sections 33 and 34 to form a closed-loop structure, and are tensioned on four tensioning wheels, wherein a tensioning wheel 51 and a tensioning wheel 52 are traction wheels which can be driven manually or by a motor.
  • the traction cord can be any cord or string with a small elongation rate, or a bead chain, or a synchronous belt; of course, the tensioning wheels and the movable pulley need to use structures that match the traction cord. If the traction cord is a bead chain, the tensioning wheels and the movable pulley are sprockets; if the traction cord is a synchronous belt, the tensioning wheels and the movable pulley are timing pulleys.
  • the lift-up section 31 of the traction cord is tensioned upward after passing the movable pulley 1, and the pull-down section 32 tensions downward after passing the movable pulley 2 thereby keeping the movable pulley 1 stable.
  • the upper end of curtain 2 is fixed on the reel, and the lower end is provided with a counterweight 6.
  • the movable pulley 1, the traction cord, and the tensioning wheels are arranged on a guide groove 8; the tensioning wheel 52 is provided with an intermediate gear 7; the guide groove 8 is provided with a fixed gear seat 12 which can be engaged with the intermediate gear 7.
  • the tensioning wheels 51 and 52 are respectively provided with coaxial gear rings, and the intermediate gear 7 is always engaged with the gear ring of the tensioning wheel 52. If the tensioning wheel 52 is desired to rotate, as shown in FIG 4 , the intermediate gear 7 will be rotated around the axis of the tensioning wheel 52 so that it is engaged with the gear ring on the tensioning wheel 51, then the rotation of the tensioning wheel 52 will be driven by the tensioning wheel 51.
  • the way the lift-up section 31 is wound around the tensioning wheel 52 is different from the way used in FIG. 2 ; said way of connection, can link the tensioning wheel 51 and the tensioning wheel 52 via the intermediate gear 7, in order to achieve that both ends of the lift-up section 31 of the traction cord move upward or downward simultaneously.
  • the tensioning wheel 51 rotates counterclockwise, the intermediate gear 7 remains disengaged from the gear ring on the tensioning wheel 51, and is engaged with the fixed gear seat 12, so that the tensioning wheel 52 is in a stationary state; under the traction of the tensioning wheel 51, the lift-up section 31 will be gradually shortened, and the pull-down section 32 will be gradually extended; the traction cord drives the movable pulley 1 to move upward and meanwhile rotate clockwise, and the curtain is released, so that the roller blind is closed from a lower to an upper position.
  • the tensioning wheel 52 If the tensioning wheel 51 rotates counterclockwise, and the intermediate gear 7 is disengaged from the fixed gear seat 12, and is engaged with the gear ring of the tensioning wheel 51, the tensioning wheel 52 also rotates counterclockwise, as shown in FIG. 4 . Since the traction cord is wound around the tensioning wheel 52 in a reverse direction, both ends of the lift-up section 31 of the traction cord are shortened at the same time, the movable pulley 1 moves upward but without rotating, so that the curtain is raised as a whole. Otherwise, the curtain is lowered as a whole; therefore, it can be achieved that the window can be occluded at any position.
  • the arrangement of the reel (not shown in FIG 5 ), the guide groove 8, the movable pulley 1, the curtain 2, the traction cord and the fixed pulley is the same as that of Embodiment 2, but without an intermediate gear and a fixed gear seat.
  • the tensioning wheel 51 and the tensioning wheel 52 are respectively driven by a motor 91 and a motor 92, said motor 91 and motor 92 are controlled by a controller 10; various programs can be set by the controller 10 to respectively control the rotation, stationary and different rotation directions of the motor 91 and the motor 92, so that the combined actions of the two traction wheels as described in Embodiment 2 can be achieved, thereby realizing the result that the curtain can be upward/upper opened or closed or any position of the window can be occluded by the curtain.
  • both sides of the roller blind are provided with guide grooves 8; and the traction cords, the movable pulleys 1 and the tensioning wheels are installed on guide grooves 8.
  • the traction cords, tensioning wheels, and movable pulleys on both sides of the roller blind are arranged symmetrically; the reel is arranged between the two movable pulleys 1; a curtain is wound around the reel.
  • the traction wheels on both sides are coaxially connected by a drive rod 11, so that the synchronous movement of the movable pulleys on both sides can be realized by driving the traction wheel on one side.
  • roller blind of the present invention which opens and closes freely in upward and downward directions, can be applied to tilted or horizontal installation.
  • each of the tensioning wheel 51 and the tensioning wheel 52 is independently manually driven by a set of bead chain - sprocket wheel; wherein the closed-loop bead chain that drives the tensioning wheel 52 freely droops into two sections 61 and 62; the closed-loop bead chain that drives the tensioning wheel 51 freely droops into two sections 63 and 64.
  • the tensioning wheel 51 When pulling 61 downwards, the tensioning wheel 51 will then rotate counterclockwise, and the tensioning wheel 52 will be stationary; the traction cord drives the movable pulley 1 to move upward and meanwhile to rotate clockwise, and the curtain will be released, thereby achieving the result that the roller blind can be closed from a lower to an upper position.
  • the traction cord drives the movable pulley 1 to move downward and meanwhile to rotate counterclockwise, and the curtain will be rolled, thereby achieving the result that the roller blind can be opened from an upper to a lower position.
  • the traction cord drives the movable pulley 1 to move upward meanwhile without rotating, and the curtain as a whole moves upward.
  • the traction cord drives the movable pulley 1 to move downward and meanwhile without rotating, and the curtain as a whole moves downward.
  • the traction cord drives the movable pulley 1 to stop moving upward/downward but meanwhile to rotate counterclockwise, the reel may stay at any position and the curtain will be released downward.
  • the traction cord drives the movable pulley 1 to stop moving upward/downward but meanwhile to rotate clockwise, the reel may stay at any position and the curtain will be rolled upward.
  • two sets of manually-driven bead chain - sprocket wheel are provided; by choosing a certain combination of the bead chains, the clutch between the two traction wheels is achieved, so that the movement of the curtain can be switched between different moving modes.

Landscapes

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

Claims (10)

  1. Store enrouleur qui s'ouvre et se ferme librement dans les directions vers le haut et vers le bas, comprenant une bobine, un ou plusieurs cordons de traction et un ou plusieurs dispositifs de traction ; une ou plusieurs extrémités de la bobine étant munies d'une ou plusieurs poulies mobiles (1), caractérisé en ce que,
    les un ou plusieurs cordons de traction comprennent une section de levage (31) et une section d'abaissement (32) qui se déplacent de manière synchrone par la traction des un ou plusieurs dispositifs de traction ;
    la section de levage et la section d'abaissement sont respectivement tendues vers le haut et vers le bas après avoir passé la poulie mobile, maintenant ainsi la poulie mobile stable.
  2. Store enrouleur qui s'ouvre et se ferme librement dans les directions vers le haut et vers le bas selon la revendication 1, dans lequel les un ou plusieurs dispositifs de traction sont un ou plusieurs dispositifs d'enroulement (42, 44) disposés à une extrémité ou deux extrémités de la section de levage et de la section d'abaissement.
  3. Store enrouleur qui s'ouvre et se ferme librement dans les directions vers le haut et vers le bas selon la revendication 1, dans lequel les un ou plusieurs cordons de traction présentent une structure en boucle fermée ; le store enrouleur comprend une pluralité de roues de tension (51, 52) pour tendre les un ou plusieurs cordons de traction ; au moins l'une de la pluralité de roues de tension est une roue de traction qui constitue les un ou plusieurs dispositifs de traction.
  4. Store enrouleur qui s'ouvre et se ferme librement dans les directions vers le haut et vers le bas selon la revendication 3, dans lequel le store enrouleur comprend deux roues de traction, lesdites deux roues de traction tirent des extrémités différentes de la section de levage et de la section d'abaissement, respectivement.
  5. Store enrouleur qui s'ouvre et se ferme librement dans les directions vers le haut et vers le bas selon la revendication 4, dans lequel les deux roues de traction sont entraînées par deux moteurs différents (91, 92), respectivement.
  6. Store enrouleur qui s'ouvre et se ferme librement dans les directions vers le haut et vers le bas selon la revendication 4, dans lequel un dispositif d'embrayage est disposé entre les deux roues de traction.
  7. Store enrouleur qui s'ouvre et se ferme librement dans les directions vers le haut et vers le bas selon la revendication 1, dans lequel les un ou plusieurs cordons de traction sont une ou plusieurs chaînes à billes (62-64) ou une ou plusieurs courroies synchrones.
  8. Store enrouleur qui s'ouvre et se ferme librement dans les directions vers le haut et vers le bas selon la revendication 1, dans lequel des rainures de guidage (8) sont disposées pour les deux côtés du store enrouleur, et les un ou plusieurs dispositifs de traction, les un ou plusieurs cordons de traction et les une ou plusieurs poulies mobiles sont disposés sur les rainures de guidage.
  9. Store enrouleur qui s'ouvre et se ferme librement dans les directions vers le haut et vers le bas selon la revendication 1, dans lequel les cordons de traction et les dispositifs de traction sont disposés symétriquement, et les dispositifs de traction des deux côtés sont reliés coaxialement.
  10. Store enrouleur qui s'ouvre et se ferme librement dans les directions vers le haut et vers le bas selon la revendication 4, dans lequel chacune des deux roues de traction est entraînée indépendamment par un ensemble chaîne à billes-pignon, respectivement.
EP19807513.7A 2018-05-24 2019-05-22 Store roulant qui s'ouvre et se ferme librement Active EP3825507B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810513089.XA CN108533162B (zh) 2018-05-24 2018-05-24 一种上下自由开合卷帘
PCT/CN2019/087906 WO2019223708A1 (fr) 2018-05-24 2019-05-22 Store roulant qui s'ouvre et se ferme librement

Publications (4)

Publication Number Publication Date
EP3825507A1 EP3825507A1 (fr) 2021-05-26
EP3825507A4 EP3825507A4 (fr) 2022-06-08
EP3825507C0 EP3825507C0 (fr) 2024-04-24
EP3825507B1 true EP3825507B1 (fr) 2024-04-24

Family

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Family Applications (1)

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EP19807513.7A Active EP3825507B1 (fr) 2018-05-24 2019-05-22 Store roulant qui s'ouvre et se ferme librement

Country Status (4)

Country Link
EP (1) EP3825507B1 (fr)
CN (1) CN108533162B (fr)
ES (1) ES2978335T3 (fr)
WO (1) WO2019223708A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11142947B1 (en) * 2021-05-11 2021-10-12 Nanyang Kunyuan Intelligent Technology Co., Ltd. Adjustable roller shades
US11739591B2 (en) * 2021-08-25 2023-08-29 Nanyang Kunyuan Intelligent Technology Co., Ltd. Adjustable roller shades
US11692393B2 (en) * 2021-08-25 2023-07-04 Nanyang Kunyuan Intelligent Technology Co., Ltd. Adjustable roller shades

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1210793B (it) * 1987-06-12 1989-09-20 Luciano Srl Porta ad arrotolamento
JP2000017975A (ja) * 1998-07-03 2000-01-18 Koide:Kk シャッター装置
CN2580081Y (zh) * 2002-07-08 2003-10-15 华中农业大学 可调整多种遮挡方式的卷帘式窗帘
DE202007015541U1 (de) * 2007-03-14 2008-02-07 Bos Gmbh & Co. Kg Seitenfensterrollo mit Seilantrieb
CN201507227U (zh) * 2009-06-30 2010-06-16 张凯 新型卷帘
CN202467609U (zh) * 2011-12-13 2012-10-03 赖海明 多功能卷画式窗帘
CN104234608B (zh) * 2013-06-13 2018-01-16 张集文 上开式卷帘
CN104082157B (zh) * 2014-07-11 2016-02-03 江苏省农业科学院 一种畜舍卷帘窗的安装方法
CN106193975B (zh) * 2015-05-10 2019-04-30 张集文 一种卷帘
CN106958413A (zh) * 2016-01-12 2017-07-18 张集文 一种可以在任意位置打开任意大小的卷帘
CN208534379U (zh) * 2018-05-24 2019-02-22 张集文 一种上下自由开合卷帘

Also Published As

Publication number Publication date
WO2019223708A1 (fr) 2019-11-28
EP3825507A1 (fr) 2021-05-26
CN108533162B (zh) 2020-02-21
CN108533162A (zh) 2018-09-14
ES2978335T3 (es) 2024-09-10
EP3825507C0 (fr) 2024-04-24
EP3825507A4 (fr) 2022-06-08

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