EP0321800B1 - Dispositif de blocage pour rideau d'occultation - Google Patents

Dispositif de blocage pour rideau d'occultation Download PDF

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Publication number
EP0321800B1
EP0321800B1 EP88120592A EP88120592A EP0321800B1 EP 0321800 B1 EP0321800 B1 EP 0321800B1 EP 88120592 A EP88120592 A EP 88120592A EP 88120592 A EP88120592 A EP 88120592A EP 0321800 B1 EP0321800 B1 EP 0321800B1
Authority
EP
European Patent Office
Prior art keywords
locking
guide
guide body
weight
raised
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.)
Expired - Lifetime
Application number
EP88120592A
Other languages
German (de)
English (en)
Other versions
EP0321800A1 (fr
Inventor
Josef Koch
Hansjörg Rettig
Alfred Frei
Ralf Grütter
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.)
EMIL SCHENKER AG
Original Assignee
EMIL SCHENKER AG
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 EMIL SCHENKER AG filed Critical EMIL SCHENKER AG
Priority to AT88120592T priority Critical patent/ATE53632T1/de
Publication of EP0321800A1 publication Critical patent/EP0321800A1/fr
Application granted granted Critical
Publication of EP0321800B1 publication Critical patent/EP0321800B1/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
    • 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
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/325—Immobilising devices preventing raising
    • 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 present invention relates to a locking device according to the preamble of patent claim 1.
  • Such a locking device is known for roman blinds from DE-A 35 44 540.
  • the locking effect occurs here only in a certain swivel position or it is only effective when the slat armor is closed.
  • a blocking effect is desired not only in the case of complete darkening (closed position), but also in the case of slats that are more or less inclined.
  • the present invention has for its object to design a locking device of the type mentioned that it secures the store against unauthorized lifting regardless of the pivoting position of the slats. According to the invention, this object is achieved by the characterizing features of claim 1.
  • the basic structure of a slat blind or a folding blind is described with reference to FIG. 1.
  • It has two side guides 1 which are attached to the reveal 2 of the window opening.
  • the side guides 1 essentially have a U-shaped cross-sectional profile, the leg ends being angled toward one another and forming a vertical guide slot.
  • the slat curtain consists of horizontal slats 3. the bottom with axially stub 4 in the guide slots of the side guides 1 vertically slidably mounted.
  • the elevator shaft 6 with the two elevator drums 7 is rotatably mounted in a recess 5 above the window opening in the masonry. It can be driven by conventional drive means, not shown.
  • the elevator belts 8 that can be wound on the elevator drums 7 are guided in the lateral guides 1 to the lowest slat, which is suspended indirectly (i.e. via weight and guide body).
  • a locking device is provided in each side guide 1. These are identical, so that only one of them is described.
  • the locking device essentially has a guide body 9, a weight body 10 and a locking body 22, which are guided in the side guide 1 so as to be vertically displaceable.
  • the guide body 9 is designed like a housing. Two parallel side walls 11 are connected by three transverse walls 12, 13, 14. The side walls 11 form with the transverse wall 13 a circular section. Support 15 for the stub axle 4.
  • the transverse wall 12 is provided with a resilient tongue 16 directed against the support 15 which holds the stub axle 4 on the support 15.
  • the stub axle 4 is introduced into the support 15 by pressing it between the transverse wall 13 and the tongue 16. This deviates outward until the stub axle 4 rests on the support 15. In this position, the tongue springs back and holds it on the support 15.
  • the mutually spaced transverse walls 13 and 14 form a slot 17, through which the elevator belt 8 is guided and fastened to the weight body 10 with the free lower end.
  • the side walls 11 also form, with the transverse wall 14 and a transverse web 18, a chamber 19 which is opened downwards against the weight body 10 by means of an opening 20.
  • This chamber 19 is also open to the side guide 1.
  • the transverse wall 14 is provided with two ribs 21 which converge downward with the wall of the side guide 1 facing and the inclined surfaces of which are provided with a hard, preferably metallic coating 24.
  • a cylindrical locking body 22 is freely movable, which is spaced in an upper end position from at least one of the two walls 1 and 14, 21 so that there is no frictional contact, whereas in a lower end position it has frictional engagement with both walls .
  • the guide body 9 is further provided with two guide fingers 23. Between these guide fingers 23, the weight body 10 is mounted so as to be vertically displaceable, the guide fingers 23 being located in corresponding recesses on the weight body 10.
  • the weight body assumes an upper end position shown in FIG. 4 and a lower end position shown in FIG. 2. In the upper end position it lies against the lower end faces of the walls 11 to 14 of the guide body 9, whereas its lower end position does not require any limitation and is determined by the on-site conditions.
  • An upwardly directed cam 25 of the weight body 10 extends through the opening 20.
  • the cam 25 pushes the locking body 22 upwards to such an extent that it is out of frictional contact with at least one of the two converging surfaces 1 and 14, 21, respectively.
  • the cam 25 In a lower end position of the weight body 10, the cam 25 is withdrawn from the chamber 19 to such an extent that the locking body 22 is in frictional engagement with both converging surfaces.
  • a vertically upward force acts on the stub axle 4 in this lower end position of the weight body 10
  • the guide body 9 cannot be pushed up because of the frictional engagement of the locking body 22. This is independent of the rotational position of the stub axle 4.
  • the coating 24 prevents plastic deformation of the ribs 21, so that the locking body can be pushed out of its locking position even after a prolonged load.
  • the guide body 9 and thus the weight of the slatted curtain rests on the weight body 10.
  • the cam 25 reaches far into the chamber 19 and lifts the locking body 22 out of its locked position. If the store reaches the lowest position during the lowering, the weight body 10 moves further downward, as a result of which the cam 25 moves the locking body 22 into the locking position. It is now no longer possible to raise the slat blind regardless of the swivel position of the slats.
  • the weight body 10 begins to slide down between the guide fingers 23 until the elevator belt is unwound from the elevator drum 7.
  • the elevator belt is constantly stretched due to the weight.

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)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Claims (5)

1. Dispositif de blocage pour un rideau d'occultation constitué par des barreaux profilés horizontaux ou par des matières textiles, qui est susceptible d'être relevé ou abaissé au moyen d'un arbre de relevage (6) monté parallèlement au dessus de ce rideau dont l'extrémité inférieure est constituée par un barreau profilé, qui est monté à ses extrémités par des tourillons (4) dans des corps de guidage (9) suspendus à des bandes de relevage, et qui de leur côté, sont susceptibles de coulisser dans des rails en U (1), chaque corps de guidage (9) comportant une chambre (19), ouverte vers une des parois du rail et contenant un corps de blocage (22), tandis que la paroi du rail et la paroi, tournée vers elle, de la chambre convergent vers le bas par des parties (21) et forment deux surfaces en coin, de sorte que le corps de blocage, sous l'action de son propre poids, est en contact de frottement avec ces surfaces en coin et prend une position de blocage lors du relevage du barreau profilé le plus bas, dispositif caractérisé en ce qu'il est prévu sous le corps de guidage (9), un corps pesant (10), susceptible d'être déplacé verticalement au moyen de l'arbre de relevage (6), et qui, lors du relevage au moyen des bandes de relevage, pousse une came (25) dans la chambre (19), ouverte vers le bas, du corps de guidage (9) et amène le corps de blocage (22) hors de sa position de blocage, ou bien, en s'éloignant progressivement du corps de guidage (9), laisse le corps de blocage (22) revenir dans sa position de blocage.
2. Dispositif de blocage selon la revendication 1, caractérisé en ce que les bandes de relevage (8) sont chacune insérées dans un des rails en U (1 et que le corps pesant (10) est fixé à leur extrémité inférieure.
3. Dispositif de blocage selon la revendication 2, caractérisé en ce que le corps de guidage (9) constitue un guidage (23) pour le corps pesant (10).
4. Dispositif de blocage selon la revendication 2, caractérisé en ce que la bande de relevage (8) est guidée vers le corps pesant (10) par un canal (17) dans le corps de guidage (9).
5. Dispositif de blocage selon la revendication 1, caractérisé en ce que les parties (21) convergeant vers le bas, de la paroi (14) de la chambre, sont munies d'un revêtement dur (24).
EP88120592A 1987-12-22 1988-12-09 Dispositif de blocage pour rideau d'occultation Expired - Lifetime EP0321800B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88120592T ATE53632T1 (de) 1987-12-22 1988-12-09 Sperreinrichtung fuer einen verdunkelungsvorhang.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4978/87 1987-12-22
CH4978/87A CH673676A5 (fr) 1987-12-22 1987-12-22

Publications (2)

Publication Number Publication Date
EP0321800A1 EP0321800A1 (fr) 1989-06-28
EP0321800B1 true EP0321800B1 (fr) 1990-06-13

Family

ID=4285832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88120592A Expired - Lifetime EP0321800B1 (fr) 1987-12-22 1988-12-09 Dispositif de blocage pour rideau d'occultation

Country Status (5)

Country Link
EP (1) EP0321800B1 (fr)
AT (1) ATE53632T1 (fr)
CH (1) CH673676A5 (fr)
DE (1) DE3860223D1 (fr)
ES (1) ES2015610B3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4676311B2 (ja) * 2005-11-08 2011-04-27 株式会社ニチベイ ブラインドの障害停止装置
EP3263825B1 (fr) * 2016-06-28 2020-04-29 Roma Kg Store à lamelles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1599823A (fr) * 1968-11-08 1970-07-20
DE2830753A1 (de) * 1978-07-13 1980-01-24 Haus Hermann Gmbh Einrichtung an rollaeden zur sicherung gegen hochschieben
DE3046002A1 (de) * 1980-12-05 1982-07-15 Toso K.K., Tokyo Betaetigungsvorrichtung fuer eine jalousie
EP0127749B1 (fr) * 1983-05-18 1989-01-25 Baumann AG Rolladenfabrik Dispositif de sécurité contre le levage et store à lamelles comportant un tel dispositif
DE3544540A1 (de) * 1985-03-27 1986-10-02 Baumann AG Rolladenfabrik, Wädenswil Lamellenstore

Also Published As

Publication number Publication date
ES2015610B3 (es) 1990-09-01
EP0321800A1 (fr) 1989-06-28
DE3860223D1 (de) 1990-07-19
ATE53632T1 (de) 1990-06-15
CH673676A5 (fr) 1990-03-30

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