EP0915214A1 - Store pourvu d'un dispositif de blocage - Google Patents

Store pourvu d'un dispositif de blocage Download PDF

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Publication number
EP0915214A1
EP0915214A1 EP98203636A EP98203636A EP0915214A1 EP 0915214 A1 EP0915214 A1 EP 0915214A1 EP 98203636 A EP98203636 A EP 98203636A EP 98203636 A EP98203636 A EP 98203636A EP 0915214 A1 EP0915214 A1 EP 0915214A1
Authority
EP
European Patent Office
Prior art keywords
guide
locking
sun blind
operating member
longitudinal
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
EP98203636A
Other languages
German (de)
English (en)
Other versions
EP0915214B1 (fr
Inventor
Augustinus Johannus Hermans
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.)
WINDVAST B.V.
Original Assignee
Windvast NV
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 Windvast NV filed Critical Windvast NV
Publication of EP0915214A1 publication Critical patent/EP0915214A1/fr
Application granted granted Critical
Publication of EP0915214B1 publication Critical patent/EP0915214B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/86—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against unauthorised opening
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0607—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with guiding-sections for supporting the movable end of the blind
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • E04F10/0655—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind acting on the movable end, e.g. front bar
    • 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
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B2009/801—Locking arrangements
    • E06B2009/805—Locking arrangements located on or in the guides

Definitions

  • the invention relates to a sun blind having a fixed, rotatably mounted winding shaft for winding up and unwinding a web of material, one end of which web is fixed to the said winding shaft and the other end of which web is attached to a bottom frame, the bottom frame being displaceable, via guide blocks, in side guides which are disposed on both sides of an unwound web of material, and having a locking device in at least one of the said side guides for locking the web of material so that it is wind resistant, which locking device is actuated by displacement of the said guide blocks.
  • Such a sun blind with locking device is known, for example, from EP-A-0,315,036.
  • This known sun blind is a lockable vertical screen.
  • the web of material (or segments thereof, as in a Venetian blind screen) is attached on the underside to a bottom member and at the sides it runs in guide rails.
  • a locking system is provided in order to lock the screen so that it is wind resistant.
  • This known locking system comprises a projection which is attached to an arm and is arranged in a guide rail.
  • a guide block which is guided through the guide rail is attached to both ends of the bottom member.
  • a projection track is provided for the projection which is attached to an arm.
  • the said projection When lowering the screen, the said projection passes into the projection track, which projection track is provided with a shape (comparable to an asymmetrical heart shape) which is such that the projection reaches the highest point in, for example, the left-hand portion of this heart shape and thus the screen is unable to descend any further.
  • the projection By then pulling the screen back upwards slightly, the projection is guided towards a recess which is situated opposite the said highest point and is thus locked, holding the screen taut. If such a screen has to be moved upwards again, it is first allowed to descend, with the result that the projection is moved into the right-hand section of the said projection track, after which the screen can be pulled upwards, the projection running through the right-hand section of the projection track.
  • a drawback of this known locking device lies in the projection track which has to be arranged in the block.
  • a block of this nature comprising a projection track is expensive to produce.
  • the overall design of the locking device is relatively complicated.
  • the object of the present invention is to provide a sun blind with a wind-resistant locking device which is of simple design and the components of which can be produced relatively inexpensively.
  • the sun blind of the type described above is characterized in that the side guides comprise a box profile with a longitudinal groove, in which a guide block extends through the longitudinal groove and engages on the inner wall of the box profile of a side guide, and in that the locking device comprises a resilient locking member and a resilient operating member, a guide block, during movement in a first direction of movement from a starting position with the web of material wound up, moving past the locking member via a first pass-through position of the locking device and being locked in a locking position, and the guide block, in order to release the locking, initially being moved further in the said first direction of movement, beyond the operating member, into an unlocked position, and then the block being moved, in the opposite direction to the first direction of movement, via a second pass-through position of the locking device, the guide block actuating the operating member in such a manner that the operating member moves the locking member out of the path of the guide block which is moving past.
  • the locking device comprises a resilient locking member and a resilient operating member, a guide block, during movement
  • the locking device comprises a resilient locking member and a resilient operating member.
  • the guide block which is guided in a side guide, firstly comes into contact with the resilient locking member.
  • the inherent weight of the bottom frame is sufficient to push the resilient locking member away, so that the guide block can pass through via the first pass-through position.
  • this member owing to its spring action, resumes its original position, so that the block is prevented from moving back (i.e. in the opposite direction to the said first direction of movement) in the locking position.
  • a locking device according to the invention is preferably present in both side guides.
  • a guide block comprises a T-shaped projection, the top side pieces of which are situated in the side guide and the leg of which extends through the longitudinal groove.
  • the locking device is advantageously designed in such a way that, in the said first pass-through position, the top side pieces of the T-shaped projection are situated between the locking member and the operating member, as seen in the longitudinal direction of the leg of the T-shaped projection.
  • the top side pieces of the projection are situated between the wall of the longitudinal-groove side of the side guide and the operating member, as seen in the direction defined above.
  • the resilient locking member is a leaf spring (also referred to below as the top spring), one end of which is attached to the base side of the side guide and the other, free end of which, in the at-rest position, extends from the base side at an angle towards the longitudinal-groove side of the side guide, in the direction of the first direction of movement.
  • a leaf spring of this nature can be produced and attached in the side guide in a simple and inexpensive manner.
  • a reinforcement profile may be attached to the free end of the leaf spring, in order to counteract permanent deformation. This arrangement of the leaf spring allows simple passage of the guide block in the first pass-through position, in which the spring is depressed away by the guide block. In the locking position, the guide block runs up against the leaf spring, which has, by then, resumed its original position.
  • the operating member is a wire spring (also referred to below as the bottom spring), which is also attached to the base side of the side guide and a first leg of which, in the at-rest position, extends as far as the longitudinal-groove side of the side guide, in such a manner that the first leg is situated between the free end of the top spring and the longitudinal-groove side of the side guide.
  • a recess may be provided in the side guide, in which recess a first leg of this nature is positioned, the free end of the top spring extending as far as the longitudinal-groove side in the vicinity of this recess.
  • the wire spring comprises an operating surface which lies between the free end of the top spring and the longitudinal-groove side of the side guide, thus ensuring correct engagement between the resilient members during the second pass-through position.
  • the wire spring furthermore comprises a second free leg which extends from the longitudinal-groove side of the side guide, in the first direction of movement, towards the base side of the side guide.
  • the role of this second free leg is twofold. In the first pass-through position, the guide block comes into contact with one side of this leg of the bottom spring, so that it is pulled open counter to the action of the spring and presses the guide block toward the base side of the side guide. This ensures that the guide block cannot move aside in the side guide within the play which is present, and the guide block is locked stably in the locking position by the locking member.
  • This design also allows the guide block, in the second pass-through position, to actuate the operating member correctly by engaging thereon on the other side of the second free leg.
  • the locking member and the operating member therefor are made from a single part.
  • Fig. 1 shows part of an embodiment of the sun blind according to the invention, in the first pass-through position.
  • the vertical sun blind comprises a web of material 1, in the case illustrated canvas, which is made from a single piece. However, the web of material may also comprise segments which are connected to one another.
  • the top end of the web of material is attached to a fixed, rotatably mounted winding shaft (not shown), which is controlled by means of a standard electrical or manual actuator.
  • the other end of the web of material 1 is fixed to a bottom profile 2.
  • Guide blocks 3, which are guided inside guides 4, are attached to both sides of the bottom profile 2.
  • Fig. 1 and the figures to be discussed below show only the left-hand side.
  • the side guides 4 comprise a box profile which is provided, on the side 5 facing towards the web of material 1 (hereinafter longitudinal-groove side), with a longitudinal groove.
  • the guide block 3 comprises a T-shaped projection 6, the top side pieces 7 of which are situated in the side guide 4 and the leg 8 of which can move in the longitudinal groove.
  • the resilient locking member 10 is a leaf spring which at one end 12 is fixed to the base side 13 of the side guide 4 with the aid of suitable means, for example one or more screws. Adjacent to end 12, the leaf spring 10 comprises a part 14 which extends at an angle, from the base side 13, towards the longitudinal-groove side 5. In order to reinforce the leaf spring 10, a reinforcement profile 15 is used, in order to fit the end 12 between the base side 13 and the reinforcement profile 15, for example an aluminium plate. A similar profile 15 is attached to the part 14. The at-rest position is indicated by dashed lines. Beneath the leaf spring 10, the operating member 11 is attached to the base side 13 of the guide 4.
  • the operating member 11 is a wire spring, the design of which will be explained in more detail with reference, inter alia, to Fig. 5.
  • the wire spring comprises a loop 16, with the aid of which the wire spring 11 is fixed in the side guide 4, for example by means of a screw.
  • the wire spring 11 comprises sections 18 which run at an angle upwards, from the base side 13, towards the longitudinal-groove side 5, along the inner side walls 17 of the side guide 4, which sections merge into first free legs 19 which are positioned against the longitudinal-groove side 5 of the guide 4.
  • the free legs 19 merge into second free legs 21, which extend back towards the base side 13 of the guide 4 and towards the loop 16, but at a slightly smaller angle than the sections 18 with respect to the longitudinal axis of the guide 4. In this way, it is ensured that the projection 6 will move past the bottom spring successfully, both from the locking position towards the uncoupling position and from the uncoupling position towards the initial position.
  • the locking device 9 operates as follows. With the web of material 1 rolled up, the leaf spring 10 and the wire spring 11 are situated in the initial position which is indicated by dashed lines. If the sun blind is then lowered, the projection 6 comes into contact with the leaf spring 10, specifically the part 14 thereof, and presses the part 14 aside, so that the projection 6 can move past. At the same time, the second limbs 21 of the wire spring 11 are pressed away and pulled open. In the figures, the directions of movement are indicated by arrows. When the projection 6 has moved past the leaf spring 10, the locking member 10 springs back, thus blocking the projection 6 from moving upwards. This locking position is illustrated in Fig. 2, in which the second legs 21 of the wire spring 11 are still in the pulled-open position, thus pressing the projection 6 sideways.
  • the screen is lowered further, so that the projection 6 also moves past the operating member 11.
  • the springs 10 and 11 move back into the initial position, as can be seen from Fig. 3.
  • the screen is then moved upwards, the top side pieces 7 of the projection 6 engage on the second free legs 21 of the wire spring 11 and push them aside.
  • the first legs 19 thus come away from the longitudinal-groove side 5 and in turn push the part 14 of the leaf spring 10 aside, so that the projection 6 can move past the locking device (cf. Fig. 4).
  • FIG. 5 shows a perspective view, partially in section.
  • identical components are denoted by identical reference numerals.
  • the projection is not illustrated.
  • the sun blind according to the invention is not limited to the embodiment of the locking device which is illustrated in the figures. Numerous other forms of the resilient members may be considered. For example, another possible form is a locking device in which both members are produced from a single part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Blinds (AREA)
  • Building Awnings And Sunshades (AREA)
EP19980203636 1997-11-04 1998-10-27 Store pourvu d'un dispositif de blocage Expired - Lifetime EP0915214B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1007445A NL1007445C2 (nl) 1997-11-04 1997-11-04 Zonwering met blokkeringsinrichting.
NL1007445 1997-11-04

Publications (2)

Publication Number Publication Date
EP0915214A1 true EP0915214A1 (fr) 1999-05-12
EP0915214B1 EP0915214B1 (fr) 2003-10-01

Family

ID=19765952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980203636 Expired - Lifetime EP0915214B1 (fr) 1997-11-04 1998-10-27 Store pourvu d'un dispositif de blocage

Country Status (4)

Country Link
EP (1) EP0915214B1 (fr)
DE (1) DE69818609T2 (fr)
NL (1) NL1007445C2 (fr)
NO (1) NO985031L (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1319795A3 (fr) * 2001-12-17 2004-02-04 Becker-Antriebe GmbH Système de commande pour un appareil d'entraínement de tubes dans une protection solaire ou un dispositif d'occultation
WO2004048715A1 (fr) * 2002-11-22 2004-06-10 Llaza, Sa Store vertical pourvu d'un dispositif automatique de fixation sur une position tendue partiellement ou totalement etendue
EP2441913A1 (fr) 2010-10-15 2012-04-18 Somfy SAS Dispositif de blocage d'une barre de charge d'un écran et installation de fermeture ou de protection solaire équipée d'un tel dispositif de blocage
FR3009577A1 (fr) * 2013-08-06 2015-02-13 Zurfluh Feller Installation de volet roulant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0092122A2 (fr) * 1982-04-16 1983-10-26 ALUKON F. Grashei KG Dispositif de fin de course pour volets enroulables ou similaires
DE3608794A1 (de) * 1986-03-15 1987-09-17 Reinhold Muench Vorrichtung zur selbsttaetigen verriegelung eines aus miteinander verbundenen leisten bestehenden rolladens
EP0305081A2 (fr) * 1987-08-27 1989-03-01 Hunter Douglas Industries B.V. Dispositif de fermeture de fenêtre rétractable
EP0315036A2 (fr) * 1987-11-06 1989-05-10 Clauss Markisen Store vertical verrouiable
DE4104749A1 (de) * 1991-02-15 1992-08-20 Perfecta Rolladen Gmbh Rolladen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0092122A2 (fr) * 1982-04-16 1983-10-26 ALUKON F. Grashei KG Dispositif de fin de course pour volets enroulables ou similaires
DE3608794A1 (de) * 1986-03-15 1987-09-17 Reinhold Muench Vorrichtung zur selbsttaetigen verriegelung eines aus miteinander verbundenen leisten bestehenden rolladens
EP0305081A2 (fr) * 1987-08-27 1989-03-01 Hunter Douglas Industries B.V. Dispositif de fermeture de fenêtre rétractable
EP0315036A2 (fr) * 1987-11-06 1989-05-10 Clauss Markisen Store vertical verrouiable
DE4104749A1 (de) * 1991-02-15 1992-08-20 Perfecta Rolladen Gmbh Rolladen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1319795A3 (fr) * 2001-12-17 2004-02-04 Becker-Antriebe GmbH Système de commande pour un appareil d'entraínement de tubes dans une protection solaire ou un dispositif d'occultation
WO2004048715A1 (fr) * 2002-11-22 2004-06-10 Llaza, Sa Store vertical pourvu d'un dispositif automatique de fixation sur une position tendue partiellement ou totalement etendue
EP2441913A1 (fr) 2010-10-15 2012-04-18 Somfy SAS Dispositif de blocage d'une barre de charge d'un écran et installation de fermeture ou de protection solaire équipée d'un tel dispositif de blocage
FR2966189A1 (fr) * 2010-10-15 2012-04-20 Somfy Sas Dispositif de blocage d'une barre de charge d'un ecran et installation de fermeture ou de protection solaire equipee d'un tel dispositif de blocage
FR3009577A1 (fr) * 2013-08-06 2015-02-13 Zurfluh Feller Installation de volet roulant

Also Published As

Publication number Publication date
NO985031L (no) 1999-05-05
DE69818609D1 (de) 2003-11-06
DE69818609T2 (de) 2004-08-05
NL1007445C2 (nl) 1999-05-06
EP0915214B1 (fr) 2003-10-01
NO985031D0 (no) 1998-10-29

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