EP0050677B1 - Store vénitien - Google Patents

Store vénitien Download PDF

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Publication number
EP0050677B1
EP0050677B1 EP80106536A EP80106536A EP0050677B1 EP 0050677 B1 EP0050677 B1 EP 0050677B1 EP 80106536 A EP80106536 A EP 80106536A EP 80106536 A EP80106536 A EP 80106536A EP 0050677 B1 EP0050677 B1 EP 0050677B1
Authority
EP
European Patent Office
Prior art keywords
slats
straps
adjusting
strap
lifting
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
EP80106536A
Other languages
German (de)
English (en)
Other versions
EP0050677A1 (fr
Inventor
Paul Frei
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.)
Griesser AG
Original Assignee
Griesser 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 Griesser AG filed Critical Griesser AG
Priority to AT80106536T priority Critical patent/ATE8424T1/de
Publication of EP0050677A1 publication Critical patent/EP0050677A1/fr
Application granted granted Critical
Publication of EP0050677B1 publication Critical patent/EP0050677B1/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
    • E06B9/24—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
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives

Definitions

  • the invention relates to a venetian blind, whose drive shaft, which is mounted in a bearing housing, carries an elevator and adjusting device, with a winding drum for elevator belts engaging on a lower end rail and with coupling supports for adjusting belts, on which support members for the lamellas engage, a stop provided on the adjusting belt interacting with it the clutch support with the drive shaft at a standstill prevents both a closing movement of the adjusting band when the slats are open and an opening movement of the adjusting band when the slats are set in an inclined position.
  • a known slat blind of this type as described, for example, in AT-PS No.
  • the slats are pivoted completely into one or the other end position when the store is opened and lowered. In these end positions, however, the slats are not secured against undesired adjustment.
  • Slat blinds are also known which are designed in such a way that rotating the drive shaft in the sense of lifting the slats (shirring) causes it to pivot into a mostly approximately horizontal open position, while rotating the drive shaft in the sense of lowering the slats, pivoting it in causes an intermediate position between the open and closed positions, usually referred to as the working position (eg with a 45 ° inclination); the slats (approximate vertical position) should only be able to close when the store is completely lowered.
  • the present invention aims to provide a roman blind of the type mentioned, in which the mentioned disadvantages of the known constructions are avoided, whereby this is to be achieved by means that are particularly simple in manufacture, assembly, handling and function.
  • the roman blinds according to the invention are characterized in that, on the adjusting bands on the one hand and on bearing supports in the support housing on the other hand, pairs of cooperating stops are provided which, when the store is raised, cause the slats to pivot into the open position and when the store is lowered to a predetermined one Allow inclined position, the stop provided when lowering the store on the rising adjusting belt strand, in cooperation with a fixed stop on the bearing support of the support housing, limiting the predetermined inclined position of the slats when the store is lowered by spring-loaded pawls released radially from the unwound elevator belt and rotatably connected to the drive shaft for the purpose Closing the slats can be brought out of engagement with the fixed stop.
  • a restoring element is arranged on the bearing housing in the circumferential path of the pawl in the operative position, which ensures that the pawl, e.g. if the drive shaft continues to rotate (e.g. overrun with a motor drive), even without the winding belt winding up, it is moved back into its ineffective position.
  • a resetting element is also advantageous if e.g. By standing up the store when lowering on an obstacle, the windings of the still wound winding belt become so loose that the latch is brought into its operative position at the wrong time.
  • the drawn Roman blinds has a usual support housing 1 designed as a U-profile that is open at the bottom.
  • Bearing supports 2 are fixed at points of this support housing 1 that are axially spaced.
  • These bearing supports 2 are each formed by two transverse walls 2a which are connected to one another by base webs 2a, 2b.
  • Cylindrical end parts 3a of the hub of a winding drum 3 are mounted in upwardly open bearing cutouts 2d of the transverse walls 2c, which in turn are fixed on the Hexagonal cross-section drive shaft 4 is seated.
  • the drive shaft 4 can be driven in the usual manner, not shown, either by means of a gear, by a hand crank or by an electric motor.
  • the winding channel of the drum 3 is covered by a cover web 5 fixed to the support housing in order to avoid undesired escaping of band windings of the textile elevator band 6.
  • This elevator belt 6 is fixed on the drum core 3b by means of a conventional holding pin 7.
  • the lateral hub sections of the winding drum 3 are provided with a toothing 8 formed by longitudinal grooves, the cylindrical outer circumference of which in the area of the transverse walls 2c serves as a textile adjusting band 9 to form a slip clutch.
  • the inner portions of the hub sections, which are not occupied by the adjusting bands 9, are covered by reset curves 10b fixed to cover webs 10a, the function of which will be explained in more detail below.
  • a pin 11 projecting on both sides beyond these disks 3c is supported in a groove 11a of the winding drum 3 which is provided in the drum core 3b and is guided radially into the drum disks 3c delimiting the winding channel 3b.
  • a leaf spring 12 which loads the pin radially outward is provided between pin 11 and groove base. The arrangement is such that when the elevator belt 6 is unwound, the pin 11 lies flush with the bottom of the winding channel in the groove 11. As can be seen in FIG. 1, the part of the disks 3c of the drum 3 which delimits the winding channel has the groove 11a.
  • Each of these disc sections is provided with radial recesses 13 with a rectangular cross section, which are aligned with the groove 11 approximately to the bottom of the longitudinal grooves of the hub sections of the drum 3.
  • the length of the pawl 14 is selected such that it is completely sunk into the relevant pane section when the elevator belt 6 is wound up (FIGS. 2, 3 ), on the other hand, when the elevator band 6 is unwound (through the spring-loaded pin 11) protrudes beyond the circumference of the pane (FIGS. 1, 4, 5).
  • the adjusting straps 9 placed over the two hub sections of the drum 3 provided with the toothing 8 are each connected at their ends by a connecting plate 15.
  • On these two end plates 15 are expedient, as drawn, by means of chain pieces 16 which, e.g. suspended by cords formed support members 17 for the slats 18.
  • a driving web 19 connecting them is fixed, which is intended for cooperation on the one hand with stop tabs 20 bent out of the transverse walls 2c and on the other hand with the pawls 14.
  • a locking cam 21 is fixed on the inside of each of the two adjustment bands and is intended to interact with the toothing 8 of the associated hub portion of the drum 3.
  • the base web 2a is provided on both sides and the base web 2b on the inside with crimped edges which serve as sliding guides for the adjustment bands 9 and the elevator band 6; on the underside of the transverse walls 2c, stop tabs 22 are also provided in the area of the bottom web 2a for interacting with the connecting plate 15 connecting the adjustment straps 9 on the relevant outside store side.
  • the mode of operation of the roman blinds described here is as follows: Assume that the blind parts are in the lifting position shown in FIG. the drive shaft 4 is turned clockwise and the elevator belt 6 is wound by at least one full turn. On the one hand, the elevator belt 6 has pulled the pawls 14 into the disks 3c via the pin 11, while on the other hand the adjusting belts 9, which are carried clockwise by the support sections of the drum hub, assume a position in which the slats 18 are pivoted into their open position, i.e. with an inclination of the slat plane to the horizontal of about 30 °, the slat leading edge is slightly higher than the trailing edge.
  • the securing cam 21 is located directly at the end of the inner run of the adjusting straps 9 running from the toothed hub section. If the slats 18, e.g. by the influence of wind, in the sense of closing (pivoting counterclockwise in FIG. 2), this would immediately result in the locking cam 21 engaging in the nearest gap in the toothing 8 of the hub section. Since the take-up drum 3 is non-rotatably seated on the self-locking drive shaft 4 (by gear or motor), further movement of the adjustment belts 9 in the sense of closing the slats 18 under the influence of wind is impossible.
  • the safety cams 21, which, thanks to their engagement in the gaps in the toothing 8, support the correct entrainment of the adjustment straps 9, pass through the hub sections.
  • the slanted position 18 of the slats 18 (expediently about 45 ° to the horizontal) determined by striking the driving web 19 against the stop tab 20 is reached, as can be seen in FIG Driver web 19 and securing cams 21, like the slats 18, maintain this position until the Storefast is completely lowered.
  • the securing cams 21 prevent the slats 18 from pivoting back in the open position, for example due to the influence of wind, when the drive shaft 4 is at a standstill.
  • these pawls 14 press the carrier web 19 out of engagement with the stop tab 20, while at the same time the strand of the adjusting straps 9 carrying the rear carrying cord 17, as shown in FIG. 4, is pushed out of the extended position, which results in a corresponding tightening of the rear Carrying cords 17 and thus closing the slats 18 results.
  • an end stop (not shown) can be provided in the support housing 1, which prevents the end position of the driver web 19 given by the closed position of the slats 18 from being overtightened.
  • the store described thus not only enables the desired slat positions to be reached and maintained correctly, but also ensures that the slats are properly secured against the effects of the wind, thanks to the cam 21 interacting with the toothing 8, in any slat position possible between the open position and the predetermined inclined position.
  • the closing of the slats e.g. for the purpose of darkening the room, thanks to the positive connection between the carrier web 19 and the pawl 14 (in contrast to the frictional connection by means of a slip clutch), while faults or damage due to undesired action of this positive connection are excluded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Finger-Pressure Massage (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Tents Or Canopies (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Temperature-Responsive Valves (AREA)

Claims (4)

1. Store vénitien dont l'arbre de commande (4) monté dans une boîte-support (1 ), porte un dispositif de levage et de manoeuvre, comportant des tambours d'enroulement (3) pour des rubans de levage (6) qui attaquent une barre d'extrémité inférieure et des appuis d'accouplement (8) pour des rubans de manoeuvre (9) qui sont attaqués par des organes de support des lames (18), une butée (21 ) prévue sur le ruban de manoeuvre (9), en coopération avec l'appui d'accouplement (8), empêchant, l'arbre de commande (4) étant immobile, aussi bien un mouvement de fermeture du ruban de manoeuvre (9) quand les lames (18) sont en position ouverte qu'un mouvement d'ouverture du ruban de manoeuvre (9) quand les lames (18) sont dans une position inclinée fixée, caractérisé par le fait que sur les rubans de manoeuvre (9) d'une part et sur des supports-paliers (2) montés dans la boîte-support (1 ) d'autre part sont prévues des butées coopérant par paires (15, 22 et 19, 20) qui permettent, lors du levage du store, un basculement des lames jusqu'à la position ouverte et, lors de la descente du store, un basculement de celles-ci jusqu'à une position inclinée déterminée, la butée (19), qui est prévue sur le brin montant des rubans de manoeuvre lors de la descente du store et qui, en coopération avec une butée fixe (20) prévue sur le support-palier (2) de la boîte-support (1), délimite la position inclinée déterminée des lames (18), pouvant, quand le store est baissé, être dégagée de la butée fixe (20), en vue de la fermeture des lames (18), par des cliquets (14) soumis à l'action d'un ressort qui sont libérés radialement par le ruban de levage (6) déroulé et sont solidaires en rotation de l'arbre de commande (4).
2. Store vénitien selon la revendication 1, caractérisé par le fait que les rubans de manoeuvre (9) s'appuient sur des parties de moyeu du tambour (3) d'enroulement du ruban de levage (6) qui présentent une denture (8), une broche (11), placée dans une rainure (11 a) du noyau (3b) du tambour et poussée radialement vers l'extérieur par un ressort-lame (12), portant les cliquets (14) guidés dans des évidements radiaux (13) des joues (3c) du tambour d'enroulement (3) qui délimitent latéralement le canal d'enroulement du ruban de levage (6), lesquels cliquets, quand le ruban de levage (6) est déroulé, peuvent, en dépassant des joues (3c), dégager de la butée associée (20) du support-palier (2), en fermant les lames (18), la butée (19) qui est fixée aux rubans de manoeuvre (9) et qui, quand les lames (18) sont dans une position inclinée déterminée, s'appuie contre ladite butée (20).
3. Store vénitien selon la revendication 2, caractérisé par le fait que les extrémités de la broche (11) portant les cliquets (14) qui dépassent latéralement des joues (3c) du tambour d'enroulement (3) coopèrerit avec des cames de rappel fixes qui couvent sur un arc d'environ 180° les parties des parties de moyeu du tambour d'enroulement situées sur le côté des joues (3c), de façon telle que, lorsque l'arbre de commande (4) tourne au-delà de la position fermée des lames (18), les cliquets (14), qui attaquent la butée (19) des rubans de manoeuvre (9), sont repoussés, avec libération de la butée, dans les évidements (13) des joues (3c) du tambour d'enroulement (3).
4. Store vénitien selon la revendication 3, caractérisé par le fait qu'un ergot d'arrêt (21 ) fixé aux rubans de manoeuvre (9), en coopération avec la denture (8) des parties de moyeu du tambour d'enroulement (3) qui servent d'appui aux rubans de manoeuvre (9), sert à arrêter les lames (18) en cas d'action du vent.
EP80106536A 1980-01-24 1980-10-24 Store vénitien Expired EP0050677B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80106536T ATE8424T1 (de) 1980-01-24 1980-10-24 Rafflamellenstore.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH559/80 1980-01-24
CH55980A CH644669A5 (de) 1980-01-24 1980-01-24 Rafflamellenstore.

Publications (2)

Publication Number Publication Date
EP0050677A1 EP0050677A1 (fr) 1982-05-05
EP0050677B1 true EP0050677B1 (fr) 1984-07-11

Family

ID=4189815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80106536A Expired EP0050677B1 (fr) 1980-01-24 1980-10-24 Store vénitien

Country Status (8)

Country Link
US (1) US4334572A (fr)
EP (1) EP0050677B1 (fr)
JP (1) JPS56108487A (fr)
AT (1) ATE8424T1 (fr)
CH (1) CH644669A5 (fr)
DE (1) DE3068545D1 (fr)
DK (1) DK32581A (fr)
ES (1) ES8204040A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3864019D1 (de) * 1987-12-21 1991-09-05 Griesser Ag Rafflamellenstore.
GB2213855A (en) * 1987-12-22 1989-08-23 Raymond John Luget Window blind
FR2673232B1 (fr) * 1991-02-22 1993-06-11 Somfy Store venitien.
US6116323A (en) * 1999-06-14 2000-09-12 Huang; Shien-Te Dual function dragging device for curtain
US6527034B1 (en) * 2001-08-30 2003-03-04 Tai-Ping Liu Slat-positioning drum for a venetian blind
US20060137831A1 (en) * 2004-12-29 2006-06-29 Henry Lin Winding mechanism of blind
US20080304947A1 (en) * 2007-06-11 2008-12-11 Stout Kenneth A Cleanout system for a reciprocating slat conveyor
US20100319859A1 (en) * 2009-06-23 2010-12-23 Taihao Knitting Belt Co., Ltd. Ladder cord lattice for window blinds
AU2012101508A4 (en) * 2012-10-04 2012-11-08 Acmeda Pty Ltd Spindle cover
TWI564468B (zh) * 2014-11-17 2017-01-01 德侑股份有限公司 窗簾及其致動系統

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE13376C (de) * J. EIGEL in Cöln Kork- und Füllmaschine für moussirende Flüssigkeiten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE145464C (fr) *
US2381060A (en) * 1944-05-11 1945-08-07 Lewis I Kahn Venetian blind structure
DE953501C (de) * 1951-09-27 1956-11-29 Rolladenfabrik A Griesser A G Lamellenstore
US2723010A (en) * 1952-10-23 1955-11-08 Stelmack Stanley Hill holder and safety brake
CH400817A (de) * 1963-05-24 1965-10-15 Griesser Ag Raff-Lamellenstore
DE1683177A1 (de) * 1965-12-16 1969-09-18 Lageson Per Stephan Kordelantriebsvorrichtung fuer Jalousien mit Lamellen
AT301142B (de) * 1970-03-11 1972-08-25 Erste Oesterreichische Metall Wendevorrichtung bei Lamellen-Jalousien

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE13376C (de) * J. EIGEL in Cöln Kork- und Füllmaschine für moussirende Flüssigkeiten

Also Published As

Publication number Publication date
ES498783A0 (es) 1982-04-01
JPS56108487A (en) 1981-08-28
ES8204040A1 (es) 1982-04-01
CH644669A5 (de) 1984-08-15
EP0050677A1 (fr) 1982-05-05
US4334572A (en) 1982-06-15
DE3068545D1 (en) 1984-08-16
DK32581A (da) 1981-07-25
JPS6357595B2 (fr) 1988-11-11
ATE8424T1 (de) 1984-07-15

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