EP0127749B1 - Dispositif de sécurité contre le levage et store à lamelles comportant un tel dispositif - Google Patents

Dispositif de sécurité contre le levage et store à lamelles comportant un tel dispositif Download PDF

Info

Publication number
EP0127749B1
EP0127749B1 EP84103947A EP84103947A EP0127749B1 EP 0127749 B1 EP0127749 B1 EP 0127749B1 EP 84103947 A EP84103947 A EP 84103947A EP 84103947 A EP84103947 A EP 84103947A EP 0127749 B1 EP0127749 B1 EP 0127749B1
Authority
EP
European Patent Office
Prior art keywords
lever
carriage
locking
raising
stop
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
Application number
EP84103947A
Other languages
German (de)
English (en)
Other versions
EP0127749A3 (en
EP0127749A2 (fr
Inventor
Willi Baumann
Hans-Peter Baumann
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.)
Baumann AG Rolladenfabrik
Original Assignee
Baumann AG Rolladenfabrik
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 Baumann AG Rolladenfabrik filed Critical Baumann AG Rolladenfabrik
Priority to AT84103947T priority Critical patent/ATE40440T1/de
Publication of EP0127749A2 publication Critical patent/EP0127749A2/fr
Publication of EP0127749A3 publication Critical patent/EP0127749A3/de
Application granted granted Critical
Publication of EP0127749B1 publication Critical patent/EP0127749B1/fr
Expired 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
    • E06B9/302—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable without ladder-tape, e.g. with lazy-tongs, with screw spindle
    • 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
    • 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 lift lock for slat blinds, with a, at least with one of the slats for lifting and lowering movements motion-coupled, linearly moving along stationary frame parts of the store, and at least one pawl lever pivotable in the blind lifting plane on the carriage, the locking of which Carriage stroke without actuation of the drive by linear pivot point shift on the carriage and in frictional contacts of its final shut-off section with frame parts, and a Roman blind with at least one such fuse.
  • the object of the present invention is to design a lift safety device of the type mentioned at the outset in such a way that, largely largely independently of the tolerance dimensions of the stop frame parts, it enables the carriage to be blocked extremely reliably against unauthorized lifting.
  • lever is mounted on the carriage in such a way that the distance from the terminal end portion to the pivot point of the lever on the carriage approaches the stop position at a 90 ° lever swivel angle with respect to the direction of stroke, and that the lever in the stop position counteracts Swiveling is secured.
  • the lever is preferably mounted on the carriage by means of a pin-groove connection, the groove being fixed by a curve which is given by vectors with respect to the connecting part, the amount of which decreases with increasing position angle in the opposite stroke direction.
  • a lift safety device of the type mentioned wherein the lever can be coupled between storage on the carriage and a docking section with a stroke drive for the store, in that a stop is provided on the carriage, to which the lever engages at least almost when a swivel position is assumed 90 ° with respect to the stroke direction in this direction, with the coupling of lever and drive between this stop and the locking part, such that the lever pivots about this stop at least for the time being when pivoting up from the locking by means of the drive.
  • the locking part of the lever is designed as an edge.
  • a carriage 5 is mounted in a linearly displaceable manner in a store housing 1, for example guided with four pairs of rollers 3.
  • chain guides 9 are provided on the carriage in the form of upstanding plates, between which a chain 11 is displaceable. 1 and 2, the chain 11 lies in front of the plane of the figure, it is only shown in broken lines.
  • the chain 11 carries at its end a driver cam 13, which cooperates with a locking lever 15, which has a locking edge 17 at the end, and is mounted on a trunnion 19 on the carriage 5.
  • the lever 15 extends from one side of the carriage through corresponding cutouts in the chain guides 9 to the area of the one carriage guide 7a, hereinafter referred to as the locking counter bearing.
  • the lever 15 rides in a guide groove 21 on the bearing pin 19.
  • the groove is bent in a kidney shape and has a width corresponding to the bearing pin diameter over its entire length, the groove center line m with reference to the locking edge 17 on the lever 15 by location vectors? is fixed, the amount of which decreases as the angle cp increases in the opposite stroke direction GH.
  • the pivotability of the lever 15 is limited in the counterclockwise direction by a limit stop 25 on the carriage 5.
  • a rotary stop 27 is provided on the carriage 5, the function of which will still be discussed.
  • the illustrated lifter works as follows:
  • the carriage 5 is raised or lowered by means of the lowering and lifting chain 11 by the driving cam 13 on the chain 11 is at a recess 29 of the lever 15.
  • the store resp. the carriage 5 is the lever 15 at the rotary stop 27. If the bottom blind lamella fastened to the lamella bearing journal 23 is impaired in its lowering movement in the direction of GH when the store and thus the carriage 5 is lowered, for example by an object standing in the movement path, the chain 11 continues to run downwards and the driving cam 13 out of the recess 29 on lever 15.
  • the lever 15 thus assumes the position shown in FIG. 1, and tilts counterclockwise until its locking edge 17 rests on the locking counter bearing 7a. If the blocking object is removed from the path of movement of the lowest slat, the carriage falls until it rests on the cam cam 13 again.
  • the lever 15 passes through the positions a, b, c shown in dashed lines in FIG. In a first swivel range, it rotates around the bearing journal 19, the locking edge 17 tending to strike an arc around this journal with the radius r. As the trunnion 19 is pushed upwards in a linear movement when the trolley 5 is lifted and the radius r is greater than the distance between the trunnion 19 and the locking counter bearing 7a, the lever 15 wedges. When the trolley 5 is forcibly lifted, the trunnion 19 slips along the guide groove 21 and thus forces the lever 15 to pivot in the direction indicated by A.
  • the locking edge 17 forms the fulcrum.
  • the bearing pin 19 slides into the lower guide groove region, which has a reduced distance r b with respect to the locking edge 17.
  • the lever 15 comes to lie in a practically rectangular position with respect to the stroke direction H.
  • Fig. 2 it is shown how the lever 15 is released when the locking is released by lifting the chain 11 with the driver cam 13.
  • the driver cam 13 viewed in the horizontal direction, acts on the lever 15 between the stop point of the limit stop 25 and the rotary stop 27 on the lever 15. Since, as shown, the guide groove 21 in the 90 ° locking position of the lever 15 in the region 19 receiving the pin 19 is practically vertically oriented, the rotary stop 27 now acts as a fulcrum for the lever 15.
  • the lever 15 pivots in a first swing-back phase around the rotary stop 27, the locking edge 17 pivoting, at least almost, on a circular path with the radius of curvature r c around the rotary stop 27.
  • This radius of curvature r c is substantially smaller than the swivel radii r a , r b , which define the path of the locking edge 17 when it takes up its locking position. Due to this reduced path radius, the locking edge 17 is pivoted away from the locking contact with the locking counter bearing 7 even with a slight stroke of the driving cam 13. Thereafter, the lever 15 slides in the direction shown by B by now pivoting the guide groove 21 along the bearing pin 19 until the bearing pin 19 is again in contact with the upper guide groove part and the upper edge 16 while pulling the driving cam 13 on the rotary stop 27.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Transmission Devices (AREA)
  • Burglar Alarm Systems (AREA)

Claims (7)

1. Dispositif de sécurité contre le relevage des stores à lamelles, comprenant un chariot (5) qui est accouplé cinématiquement à au moins l'une des lamelles pour les mouvements d'élévation et d'abaissement et qui peut se déplacer linéairement le long de parties de châssis fixes (7, 7a) du store, ainsi qu'au moins un levier à cliquet de blocage, qui peut pivoter sur le chariot (5), dans le plan d'élévation du store et dont le blocage s'effectue lors de l'élévation du chariot sans actionnement de l'entraînement (11), par une translation linéaire (19,21) du point d'articulation sur le chariot (5) et l'entrée en contact de frottement de sa partie de blocage terminale (17) avec des parties (7a) du châssis, caractérisé en ce que le levier (15) est monté sur le chariot (5) de telle manière que la distance (ra, rb) de la partie de blocage terminale (17) au point d'articulation (19) du levier (15) sur la chariot (5) diminue lorsqu'on se rapproche de la position de blocage avec un angle de pivotement (ψ) de 90° du levier par rapport à la direction d'élévation du store (H), et en ce que, dans la position de blocage, le levier (15) est immobilisé dans le sens qui l'empêche de continuer à basculer.
2. Dispositif de sécurité contre le relevage selon la revendication 1, caractérisé en ce que le levier (15) est monté sur le chariot (5) au moyen d'une liaison à tourillon et rainure (19, 21), la rainure (21) étant déterminée par une courbe (m) qui est définie par des vecteurs par rapport à la partie de blocage (17), vecteurs dont l'amplitude decroît avec l'accroissement de l'angle d'attitude (<p) en sens inverse de la direction d'élévation.
3. Dispositif de sécurité contre le relevage selon la revendication 1, caractérisé en ce qu'il est prévu sur le chariot (5), une butée (25) destinée à coopérer avec le levier (15), pour l'empêcher de continuer à basculer au-delà d'une position formant un angle d'environ 90° par rapport à la direction d'élévation (H) du chariot (5).
4. Dispositif de sécurité contre le relevage selon la revendication 1, dans lequel le levier peut être accouplé , entre son articulation (19) sur le chariot (5) et une partie de blocage (17), à un entraînement de relevage (11, 13) agissant sur le store, caractérisé en ce qu'il est prévu, sur le chariot (5), une butée (27) contre laquelle le levier (15) s'appuie lorsqu'il prend une position angulaire d'au moins 90° environ par rapport à la direction d'élévation (H) dans ce sens, l'accouplement (13) entre le levier (15) et l'entraînement (11) étant placé entre cette butée (27) et la partie de blocage (17), de telle façon que le levier (15) bascule au moins tout d'abord autour de cette butée (27) lors de son basculement vers le haut lorsqu'il quitte sa position de blocage, sous l'action de l'entraînement (11).
5. Dispositif de sécurité contre le relevage selon les revendications 2 et 4, caractérisé en ce que la courbe (m) est définie, au moins dans la région du plus grand angle d'attitude, avec au moins approximativement une courbe (rb) qui a la butée (27) comme centre de courbure.
6. Dispositif de sécurité contre le relevage selon la revendication 1, caractérisé en ce que la partie de blocage est constituée par une arête (17).
7. Store à lamelles équipé d'un dispositif de sécurité contre le relevage selon l'une des revendications 1 à 6.
EP84103947A 1983-05-18 1984-04-09 Dispositif de sécurité contre le levage et store à lamelles comportant un tel dispositif Expired EP0127749B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84103947T ATE40440T1 (de) 1983-05-18 1984-04-09 Hubsicherung sowie rafflamellenstore mit einer derartigen vorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2701/83 1983-05-18
CH270183 1983-05-18

Publications (3)

Publication Number Publication Date
EP0127749A2 EP0127749A2 (fr) 1984-12-12
EP0127749A3 EP0127749A3 (en) 1985-07-17
EP0127749B1 true EP0127749B1 (fr) 1989-01-25

Family

ID=4239649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84103947A Expired EP0127749B1 (fr) 1983-05-18 1984-04-09 Dispositif de sécurité contre le levage et store à lamelles comportant un tel dispositif

Country Status (5)

Country Link
US (1) US4649982A (fr)
EP (1) EP0127749B1 (fr)
JP (1) JPS59217886A (fr)
AT (1) ATE40440T1 (fr)
DE (1) DE3476435D1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0545758Y2 (fr) * 1987-05-07 1993-11-25
EP0322354B1 (fr) * 1987-12-21 1991-07-31 Griesser A.G. Store à lamelles
CH673676A5 (fr) * 1987-12-22 1990-03-30 Schenker Emil Ag
AU5998194A (en) * 1993-02-26 1994-09-14 Israel Karmel Shade operating system
DE59405749D1 (de) * 1993-04-17 1998-05-28 Griesser Holding Ag Aadorf Rafflamellenstore
DE59407616D1 (de) * 1993-05-04 1999-02-25 Kindt Ag Sicherheitsvorrichtung an Raff- oder Rolljalousien
DE19839630A1 (de) * 1998-08-31 2000-03-02 Kaeuferle Gmbh & Co Kg Verriegelungsvorrichtung für zugseilbetätigte Tore
US6644375B2 (en) 2001-01-09 2003-11-11 Newell Window Furnishings Cordless blind brake
US7025107B2 (en) 2001-07-31 2006-04-11 Newell Window Furnishings, Inc. One-way tensioning mechanism for cordless blind
US6675861B2 (en) 2001-12-14 2004-01-13 Newell Window Furnishings, Inc. Brake for a cordless blind
US6684930B2 (en) 2001-12-14 2004-02-03 Newell Window Furnishings, Inc. Brake for a cordless blind
US7096917B2 (en) * 2001-12-14 2006-08-29 Newell Window Furnishings, Inc. One way brake for a cordless blind
MXPA05004684A (es) * 2002-10-31 2005-11-17 Newell Window Furnishings Inc Cubierta de ventana temporal.
US7264035B2 (en) * 2002-11-21 2007-09-04 Newell Window Furnishing, Inc. Temporary window covering
DK180193B1 (en) * 2018-12-28 2020-08-04 Jørn Krab Holding APS System for closing an opening

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE134505C (fr) * 1901-12-02
US2556352A (en) * 1946-10-09 1951-06-12 Adolph H Wellensiek Adjustable louver assembly
FR1402957A (fr) * 1964-04-20 1965-06-18 Griesser & Cie Sa Dispositif de verrouillage automatique pour volets roulants projetables
CH503885A (de) * 1969-08-25 1971-02-28 Griesser Ag Raffstore
US3744544A (en) * 1971-09-23 1973-07-10 A Wellensiek Outside venetian blind construction
CH550932A (de) * 1972-03-23 1974-06-28 Metallbau Ag Zuerich Faltjalousie.
CH565935A5 (fr) * 1973-11-20 1975-08-29 Griesser Ag
DE2425854A1 (de) * 1974-05-28 1975-12-11 Dieter Ingebrandt Fangvorrichtung fuer rolltore
DE2559982C3 (de) * 1975-12-05 1982-06-16 Walter 5411 Hilgert Hardt Selbsttätige Sicherungsvorrichtung gegen unbefugtes Hochdrücken von außen für einen Rolladenpanzer
US4224973A (en) * 1977-12-05 1980-09-30 Walter Hugin Drive mechanism, particularly for moving and turning the slats of a blind
DE2830753A1 (de) * 1978-07-13 1980-01-24 Haus Hermann Gmbh Einrichtung an rollaeden zur sicherung gegen hochschieben
CH635164A5 (de) * 1979-02-16 1983-03-15 Griesser Ag Raffstore.
JPS5833355B2 (ja) * 1980-05-08 1983-07-19 株式会社竹中工務店 電動ブラインドの駆動方式
DE3037725A1 (de) * 1980-10-06 1982-07-22 Emil Schenker AG, 5012 Schönenwerd Rafflamellenstore
DE3037733A1 (de) * 1980-10-06 1982-07-22 Emil Schenker AG, 5012 Schönenwerd Rafflamellenstore

Also Published As

Publication number Publication date
DE3476435D1 (en) 1989-03-02
JPS59217886A (ja) 1984-12-08
EP0127749A3 (en) 1985-07-17
US4649982A (en) 1987-03-17
JPH0377357B2 (fr) 1991-12-10
EP0127749A2 (fr) 1984-12-12
ATE40440T1 (de) 1989-02-15

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