EP3163005A1 - Système de store actionné par ressort avec mécanisme de réglage du ressort de tension et élément de verrouillage pour ledit système - Google Patents

Système de store actionné par ressort avec mécanisme de réglage du ressort de tension et élément de verrouillage pour ledit système Download PDF

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Publication number
EP3163005A1
EP3163005A1 EP16196275.8A EP16196275A EP3163005A1 EP 3163005 A1 EP3163005 A1 EP 3163005A1 EP 16196275 A EP16196275 A EP 16196275A EP 3163005 A1 EP3163005 A1 EP 3163005A1
Authority
EP
European Patent Office
Prior art keywords
roller blind
adjusting
blind system
spring
locking element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16196275.8A
Other languages
German (de)
English (en)
Other versions
EP3163005B1 (fr
Inventor
Ruben Hubert Jan De Vries
Thomas Johan Maria Ter Haar
Bastiaan Franciscus Klein Tuente
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.)
Coulisse BV
Original Assignee
Coulisse BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from NL2015678A external-priority patent/NL2015678B1/en
Application filed by Coulisse BV filed Critical Coulisse BV
Priority to PL16196275T priority Critical patent/PL3163005T3/pl
Publication of EP3163005A1 publication Critical patent/EP3163005A1/fr
Application granted granted Critical
Publication of EP3163005B1 publication Critical patent/EP3163005B1/fr
Active legal-status Critical Current
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
    • 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
    • E06B9/24—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
    • E06B9/50—Bearings specially adapted therefor
    • 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
    • E06B9/60—Spring drums operated only by closure members

Definitions

  • the present invention relates to a roller blind system, comprising a roller blind provided with a roller shaft through which roller shaft a central rod extends and a flexible sheet member, such as a roller blind fabric or a screen, is attached, wherein the roller blind is further provided with two bracket connectors attached at the outer ends of the central rod, wherein the bracket connectors are arranged for releasable coupling to mounting brackets for mounting the roller blind system on a surface.
  • a roller blind system according to the invention is known from European patent application EP2933428 of the same applicant.
  • the roller blind is chain operated.
  • the inventive bracket connectors of the known roller blind system are easy to couple to the inventive mounting brackets in any situation.
  • the invention has for its object to provide a spring operated roller blind system that allows for easy releasable coupling of a spring operated roller blind to mounting brackets.
  • the roller blind system is characterized in that the roller blind is spring operated and comprises a tension spring fixedly connected to the central rod and to the roller shaft and a tension adjusting mechanism for adjusting the tension of the tension spring, wherein the tension adjusting mechanism comprises an adjusting wheel and an adjusting spring for adjusting the rotational position of the central rod, wherein the tension adjusting mechanism further comprises first engaging means for pushing the adjusting spring in a relaxed configuration and second engaging means for pushing the adjusting spring in a tightened configuration, wherein the first engaging means are arranged on the adjusting wheel and the second engaging means are connected to the central rod.
  • the roller blind system according to the invention allows for easy releasable mounting of a spring operated roller blind in mounting brackets.
  • the roller blind can be easily removed for replacement by the user.
  • the tension adjusting mechanism allows for optimal adjustment of the tension of the tension spring by the user to his or her specific needs.
  • the roller blind system according to the invention does not require a mounting profile extending between the mounting brackets. Consequently the present invention provides a spring operated roller blind system that is suitable for the DIY market.
  • a spring operated roller blind system comprising a tension spring fixedly connected to a central rod and a tension adjusting mechanism for adjusting the tension of the tension spring, wherein the tension adjusting mechanism comprises an adjusting wheel and the roller blind system comprises an adjusting spring is known per se from CN203867436 .
  • the adjusting wheel is integrated in one of the mounting bracket.
  • An adjusting spring is part of a hydraulic speed reducing mechanism that is situated at the opposite outer end of the roller blind.
  • the known roller blind system is not suitable for releasable coupling to mounting brackets.
  • the adjusting wheel and the adjusting spring are arranged coaxially on the bracket connector.
  • the tension adjusting mechanism in the first embodiment is consequently very compact thus avoiding the occurrence of any light gap between the flexible sheet member or roller curtain and the window frame.
  • the first engaging means comprise a first bush part and the second engaging means comprise a second bush part and the adjusting spring is enclosed by the first bush part and the second bush part.
  • the tension adjusting mechanism further comprises an adjusting rod coupled as an extension to the central rod and wherein the second engaging means are arranged on the adjusting rod.
  • the adjusting rod facilitates the connection to the central rod supporting achievement of the envisaged advantages.
  • the adjusting wheel is arranged for manual operation.
  • the roller blind system according to the invention comprises a locking element for locking rotation of the bracket connector with respect to the central rod.
  • the locking element is arranged for bridging the adjusting wheel and for locking onto the bracket connector on both sides of the adjusting wheel.
  • the locking element is especially useful prior to and during assembly of the roller blind system in the mounting brackets.
  • the locking element comprises a lip
  • the adjusting wheel is provided with an opening for receiving the lip
  • the bracket connector is provided with a mating recess for receiving the lip.
  • the locking means prevent rotation of the wheel with respect to the bracket connector.
  • the locking element comprises a tongue to be received in a slot provided on the bracket connector.
  • the locking element comprises a pair of shoulders adjacent to the tongue.
  • the entire locking element is again automatically pushed out.
  • the locking element comprises an arc-shaped bridge part for bridging the adjusting wheel.
  • roller blind system further comprises the mounting brackets for mounting the roller blind system on a surface.
  • Figure 1 shows a schematic view of a first preferred embodiment of a roller blind system according to the invention.
  • Figure 2 shows the roller blind system of figure 1 with exploded parts.
  • Figures 3 and 4 show more details of the first preferred embodiment.
  • Figure 3 schematically shows part of figure 2 in exploded view and figure 4 is an enlarged view of part of figure 3 .
  • the roller blind system 100 comprises a roller blind 1 provided with a roller shaft 4 through which roller shaft a central rod 6 extends and to which roller shaft a flexible sheet member or roller curtain 2 is attached in a conventional manner.
  • the roller blind 1 is cordless and operable by handling a bottom bar 3 attached to the roller curtain 2.
  • Two bracket connectors 21 are attached at the outer ends of the roller blind 1.
  • the bracket connectors 21 are arranged for releasable attachment to mounting brackets 20 for mounting the roller blind system on a surface.
  • Optionally end caps 27 are mounted over the mounting brackets 20 in the mounted state of the roller blind 1.
  • Suitable devices for mounting a shaft of a screen such as a window covering, on a surface, such as a wall, window frame or a ceiling, having releasably attachable mounting brackets and bracket connectors or shaft holders are known in the relevant field. Particularly suitable is a device of the same applicant that is described in the abovementioned European patent application EP2933428 , incorporated herein by reference.
  • the known mounting brackets and bracket connectors are shown in the figures and will now be briefly described.
  • Shaft holder or bracket connector 21 is provided with a connecting piece or pin for connection to the shaft of the roller blind 1.
  • Mounting bracket 20 is provided with one locking tooth 20-2 and bracket connector 21 is provided with a corresponding slot which is configured to receive locking tooth 20-2.
  • Bracket connector 21 is provided with a controllable hook arranged on a tongue 21-5 on end plate 21-3. The hook is however not visible in the perspective of this figure.
  • Locking tooth 20-2 is provided with a hole 20-3. When locking tooth 20-2 is placed in the slot, the hook will drop into hole 20-3 and bracket connector 21 will be locked to mounting bracket 20. Bracket connector 21 can be unlocked from mounting bracket 20 again by operating the tongue 21-5.
  • Mounting bracket 20 is also provided with guide teeth 20-4 and 20-5 which engage on both sides of the spacers.
  • Guide teeth 20-4 and 20-5 guide bracket connector 21 in mounting bracket 20.
  • Locking tooth 20-2 and guide teeth 20-4 and 20-5 together form a fork.
  • a tension spring 5 is fixedly connected to the central rod 6 and the roller shaft 4.
  • the tension spring 5 is merely schematically shown in the figures.
  • the tension spring 5 is attached between a spring holder 8 and a spring winder 9.
  • the spring holder 8 is fixedly attached to the adjustable central rod 6 whereas the spring winder 9 is coupled to the roller shaft 4.
  • Suitable tension springs are helically wound and known in the relevant field.
  • the roller blind 1 further comprises a tension adjusting mechanism 10 for adjusting the tension of the tension spring 5.
  • the tension adjusting mechanism comprises an adjusting spring 15 and an adjusting wheel 11 having first engaging means 13 acting on the adjusting spring 15.
  • the tension adjusting mechanism 10 further comprises second engaging means 18 for engaging the adjusting spring 15, which second engaging means are arranged at one outer end of the central rod 6.
  • the adjusting spring 15 has a substantially prismatic shape, i.e. has substantially the same cross section over its entire length.
  • the adjusting spring 15 terminates in tangs 15A.
  • the wheel 11 has a central opening 11 a.
  • the adjusting wheel 11 and the adjusting spring 15 are arranged coaxially on a bush or pin 22 of the bracket connector 21.
  • the wheel 11 is designed for manual operation and is preferable provided with a crenated edge 12.
  • the first engaging means comprise a first bush part 13 extending around the central opening 11 a in the wheel 11.
  • the first bush part 13 is shaped as part of a cylinder and has a diameter larger than the diameter of the adjusting spring 15 that can be partly received in the first bush part 13.
  • the first bush part 13 is provided with outer edges 13a for engaging the tangs 15a of the adjusting spring 15.
  • the second engaging means comprise a second bush part 18.
  • the second bush part 18 is shaped as part of a cylinder.
  • the diameter of the second bush part 18 is substantially equal to the diameter of the first bush part 13.
  • the shape of the second bush part 18 is essentially complementary to the shape of the first bush part 13.
  • the second bush part 18 has edges 18a engaging on the tangs 15 of the adjusting spring from an opposite side as do the edges 13a of the first bush part 13. Between said edges 13a, 18a a gap is present between the first and second bush parts 13, 18 from which the tangs 15a freely protrude, as can be seen in figure 5 .
  • the bracket connector 21 is provided with a bush or pin 22 for indirectly connecting the central rod 6 of the roller blind 1.
  • the pin 22 is provided with a central opening 23 for receiving a bush 19 present at the same outer end as the second bush part 18.
  • Said outer end is the outer end of an adjusting rod 16 to be coupled as an extension to the central rod 6.
  • the adjusting rod 16 is provided with a positioning flange 17 for positioning against the first bush part 13 on the wheel 11.
  • cams 17a are present for connecting the flange 17 to a connecting bush 26 positioned co-axially over the adjusting rod 16.
  • a bush bearing 25 is received in the connecting bush 26 and co-axially on the adjusting rod 16.
  • the adjusting rod 16 has an unround cross section to facilitate assembly.
  • the connecting bush 26 serves to lock the end plug 7. Suitable alternatives for locking the end plug are available in the art.
  • An end plug 7 is mounted substantially over the parts of the adjusting mechanism 10 in the assembled state and is connected to the spring holder 8 in a known manner.
  • the adjusting spring 15 In the assembled state the adjusting spring 15 is enclosed in the space between the pin 22 and the first bush part 13 and the second bush part 18.
  • the space for the adjusting spring 15 is large enough to allow to house the adjusting spring 15 in two configurations: a relaxed configuration and a tightened or strangled configuration.
  • the first bush part 13 engages the adjusting spring 15 from the outside pushing the adjusting spring 15 in a first relaxed or loose configuration.
  • the adjusting spring 15 touches the surface of bush or pin 22 only loosely (if at all), and therefore the wheel 11 can be manually operated to rotate the central rod 6 in a clockwise respectively counter clockwise direction to enhance respectively decrease the tension in the tension spring 5.
  • the second bush part 18 engages the adjusting spring 15 from the inside pushing the adjusting spring 15 in the second tightened or strangled configuration.
  • the adjusting spring frictionally engages the outer surface of the bush or pin 22.
  • the bracket connector 21 and the central rod 6 are interlocked. Consequently the tension spring 5 will remain its tension as adjusted by the tension adjusting mechanism.
  • Roller blind 1 is additionally provided with locking means for locking the adjusting wheel 11 against rotation.
  • the locking means comprise a locking element shaped as a pawl 30 having a ring 31 and a lip 34.
  • An opening 14 is provided on the wheel 11 and a mating recess 24 is provided on the circumference of the pin 22 of the bracket connector 21.
  • the pawl 30 can be inserted in radial direction of the roller blind. Lip 34 is then received in opening 14 and recess 24 and locks rotation of wheel 11 with respect to the bracket connector 21.
  • Figure 6 shows a schematic view of a second preferred embodiment of a locking element 32 as an alternative to locking element 30.
  • Figures 7A respectively 7B schematically show the locking element of figure 6 on a roller blind system according to the invention from a first respectively a second point of view.
  • the alternative locking element 32 is provided with the lip 34 described above to lock rotation of the bracket connector 21.
  • end plug 7 is provided with a recess 7a to receive the lip 34.
  • the alternative locking element 32 is further provided with a tongue 35 to further lock the locking element 32 to the bracket connector 21.
  • the lip 34 and the 35 are interconnected by a bridge part 37 from which they project substantially in the same direction.
  • the bridge part 37 is generally arc shaped. Both the lip 34 and the tongue 35 project substantially in radial direction from the arc shaped bridge part 37.
  • the tongue 35 is provided with a hole 36.
  • the bracket connector 21 is provided with a slot formed by the space between the two spacers 21-7 and 21-8.
  • the hook 21-4 is arranged on the tongue 21-5 on the end plate 21-3.
  • the alternative locking element 32 can be pushed out of the bracket connector 21 by different types of mounting brackets.
  • Figure 7C illustrates the cooperation with the mounting bracket 20.
  • the locking tooth 20-2 enters the slot from the opposite side and pushes the tongue 35 out of the slot.
  • the locking element 32 will unlock automatically.
  • FIG 8 illustrates the cooperation with another mounting bracket 40.
  • Mounting bracket 40 has two guide teeth 40-4 and 40-5 which engage on both sides of the spacers.
  • Guide teeth 40-4 and 40-5 guide bracket connector 21 in mounting bracket 40.
  • the tongue 35 is connected to the arc 37 by an extension 33 having shoulders 38 and 39.
  • the width of the extension 33 is larger than the width of the tongue 35.
  • the locking element according to the invention is generally suitable for locking onto a bracket connector of a roller blind system for locking against rotation. Furthermore the locking element is arranged for cooperation with a mounting bracket for unlocking from the bracket connector.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
EP16196275.8A 2015-10-29 2016-10-28 Système de store actionné par ressort avec mécanisme de réglage du ressort de tension et élément de verrouillage pour ledit système Active EP3163005B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16196275T PL3163005T3 (pl) 2015-10-29 2016-10-28 Układ rolety uruchamianej sprężynowo z mechanizmem regulującym naciągową sprężynę i blokującym elementem do wspomnianego układu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2015678A NL2015678B1 (en) 2015-10-29 2015-10-29 Roller blind system comprising a releasably mountable spring operated roller blind.
NL2016908A NL2016908B1 (en) 2015-10-29 2016-06-07 Spring operated roller blind system with tension spring adjusting mechanism and locking element for said system

Publications (2)

Publication Number Publication Date
EP3163005A1 true EP3163005A1 (fr) 2017-05-03
EP3163005B1 EP3163005B1 (fr) 2018-12-12

Family

ID=57184386

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16196275.8A Active EP3163005B1 (fr) 2015-10-29 2016-10-28 Système de store actionné par ressort avec mécanisme de réglage du ressort de tension et élément de verrouillage pour ledit système

Country Status (2)

Country Link
EP (1) EP3163005B1 (fr)
PL (1) PL3163005T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107816309A (zh) * 2017-12-04 2018-03-20 宁波王门家居用品有限公司 卷帘调节支架
CN108859683A (zh) * 2018-06-08 2018-11-23 江苏德福来汽车部件有限公司 遮阳帘卷轴
CN112005994A (zh) * 2019-05-31 2020-12-01 大常窗户系统有限公司 配备调节气缸的防虫网装置
US20210214950A1 (en) * 2020-01-15 2021-07-15 Hyung Chil LEE Semi-automatic awning with spring
WO2024044960A1 (fr) * 2022-08-30 2024-03-07 东莞市雷富溢窗饰科技有限公司 Dispositif d'entraînement de stores à rouleaux

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2405661A (en) * 2003-09-06 2005-03-09 Levolux At Ltd Assisted roller blind mechanism
CN203867436U (zh) 2014-02-28 2014-10-08 宁波振飞窗饰制品有限公司 一种弹簧卷帘器
EP2933428A1 (fr) 2014-04-16 2015-10-21 Coulisse B.V. Dispositif de montage de l'arbre d'un écran sur une surface

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2405661A (en) * 2003-09-06 2005-03-09 Levolux At Ltd Assisted roller blind mechanism
CN203867436U (zh) 2014-02-28 2014-10-08 宁波振飞窗饰制品有限公司 一种弹簧卷帘器
EP2933428A1 (fr) 2014-04-16 2015-10-21 Coulisse B.V. Dispositif de montage de l'arbre d'un écran sur une surface

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107816309A (zh) * 2017-12-04 2018-03-20 宁波王门家居用品有限公司 卷帘调节支架
CN107816309B (zh) * 2017-12-04 2023-08-04 贝芬(宁波)家居科技有限公司 卷帘调节支架
CN108859683A (zh) * 2018-06-08 2018-11-23 江苏德福来汽车部件有限公司 遮阳帘卷轴
CN108859683B (zh) * 2018-06-08 2021-09-17 江苏德福来汽车部件有限公司 遮阳帘卷轴
CN112005994A (zh) * 2019-05-31 2020-12-01 大常窗户系统有限公司 配备调节气缸的防虫网装置
CN112005994B (zh) * 2019-05-31 2022-03-29 大常窗户系统有限公司 配备调节气缸的防虫网装置
US20210214950A1 (en) * 2020-01-15 2021-07-15 Hyung Chil LEE Semi-automatic awning with spring
WO2024044960A1 (fr) * 2022-08-30 2024-03-07 东莞市雷富溢窗饰科技有限公司 Dispositif d'entraînement de stores à rouleaux

Also Published As

Publication number Publication date
PL3163005T3 (pl) 2019-06-28
EP3163005B1 (fr) 2018-12-12

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