EP0721048B1 - Winding device for suspension cord of blinds - Google Patents
Winding device for suspension cord of blinds Download PDFInfo
- Publication number
- EP0721048B1 EP0721048B1 EP95810819A EP95810819A EP0721048B1 EP 0721048 B1 EP0721048 B1 EP 0721048B1 EP 95810819 A EP95810819 A EP 95810819A EP 95810819 A EP95810819 A EP 95810819A EP 0721048 B1 EP0721048 B1 EP 0721048B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cord
- winding
- drum
- stop
- winding device
- 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
Links
- 238000004804 winding Methods 0.000 title claims description 50
- 239000000725 suspension Substances 0.000 title claims description 5
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 208000018747 cerebellar ataxia with neuropathy and bilateral vestibular areflexia syndrome Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Images
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
- E06B9/324—Cord-locks
-
- 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
- E06B2009/3225—Arrangements to aid the winding of cords rollers
Definitions
- the subject of the invention is a winding device for blind hanging cord including a drum winding, on which is fixed the end of at minus a hanging cord, and means for ensure a winding of the cord in regular turns without overlap.
- the turns are formed resting against a side face of the sliding nut. If the thread pitch is equal to or greater than the diameter of the cord, it is then wound in regular turns without overlap.
- Figure 1 is a partial view in axial section according to I-I of FIG. 2, of a winding drum of blind in a position close to the winding full.
- Figure 2 is a cross-sectional view along II-II of Figure 1.
- the winding device shown comprises a box or box 1 of rectangular parallelepipedic shape open upwards and fitted with two flanges end, such as the flange 2, supporting a motor tubular 3 whose casing 4 carries and drives in rotation of a winding drum 5 provided with a screw in engagement with a square nut 6 sides of length very slightly less than the inner width of the housing 1, so that the sliding nut 6 is immobilized in rotation but that it can move along the winding drum 5 when rotating it.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Blinds (AREA)
Description
L'invention a pour objet un dispositif d'enroulement de cordon de suspension de store comprenant un tambour d'enroulement, sur lequel est fixée l'extrémité d'au moins un cordon de suspension, et des moyens pour assurer un enroulement du cordon en spires régulières sans chevauchement.The subject of the invention is a winding device for blind hanging cord including a drum winding, on which is fixed the end of at minus a hanging cord, and means for ensure a winding of the cord in regular turns without overlap.
Les stores, qu'il s'agisse de toiles, de stores vénitiens, de stores plissés ou autres, comportent généralement deux cordons de suspension dont une extrémité est fixée au tambour d'enroulement et l'autre extrémité est fixée à l'extrémité libre du store. Afin d'assurer un enroulement et un déroulement régulier du store, c'est-à-dire une descente et une montée égales des deux côtés du store, pour des raisons d'esthétique et des raisons mécaniques (risque de coincement) il est nécessaire d'assurer un enroulement régulier des deux cordons de suspension sur le tambour d'enroulement, en spires régulières, sans chevauchement. A cet effet, il est connu d'animer le tambour d'enroulement d'un mouvement de translation simultané au mouvement de rotation et d'amplitude telle que cette translation soit au moins égale à la valeur du diamètre du cordon par tour de tambour. De telles réalisations sont décrites dans les brevets FR-A-1 234 045, FR-A-1 319 645, CH-A-400 816, CH-A-408 694, EP-A-380 346. Le tambour d'enroulement déplaçable axialement comporte à une extrémité une partie filetée. Une partie filetée correspondante doit être prévue sur son support. De l'autre côté, réservé à son entraínement, un aménagement doit être prévu pour permettre à la fois l'entraínement en rotation et la translation induite par les parties filetées. Tout ceci est source de complications et de surcoûts. De plus, les espaces nécessaires au déplacement axial doivent être laissés libres et dans certaines réalisations (CH-A-400 816) ils constituent des espaces morts qui augmentent l'encombrement du support du store.Blinds, whether canvases, blinds Venetian blinds, pleated blinds or other, have usually two suspension cords, one of which one end is attached to the winding drum and the other end is fixed to the free end of the blind. To ensure regular winding and unwinding of the blind, i.e. an equal descent and ascent on both sides of the blind, for aesthetic reasons and mechanical reasons (risk of jamming) it is necessary to ensure a regular winding of the two suspension cords on the winding drum, in regular turns, without overlapping. To this end, it is known to animate the winding drum of a translational movement simultaneous with the movement of rotation and amplitude such that this translation is at least equal to the value of the cord diameter per drum revolution. Such achievements are described in patents FR-A-1,234,045, FR-A-1,319,645, CH-A-400 816, CH-A-408 694, EP-A-380 346. The drum of axially displaceable winding comprises at a end a threaded part. A threaded part must be provided on its support. Of the other side, reserved for his training, a layout must be provided to allow both rotational drive and induced translation by the threaded parts. All this is source of complications and additional costs. In addition, the spaces necessary for axial movement must be left free and in some realizations (CH-A-400 816) they are increasing dead spaces the size of the awning support.
Enfin, lorsqu'on souhaite disposer plusieurs stores côte à côte, par exemple pour équiper des fenêtres disposées en encorbellement et bénéficier du moteur d'entraínement de l'un deux pour l'ensemble des stores, il est quasiment impossible de réaliser une liaison cinématique simple entre les tambours et les différents stores.Finally, when you want to have several blinds side by side, for example to equip windows cantilevered and benefit from the motor one drive for all the blinds, it is almost impossible to make a connection simple kinematics between the drums and the different blinds.
L'invention a pour but d'obtenir un enroulement régulier du cordon sans déplacement axial du tambour d'enroulement.The object of the invention is to obtain a winding regular bead without axial displacement of the drum winding.
Le dispositif d'enroulement selon l'invention est caractérisé en ce que le tambour d'enroulement est monté fixe en translation dans un bâti présentant un moyen de guidage pour la section verticale du cordon et en ce que les moyens pour assurer un enroulement du cordon en spires régulières sans chevauchement sont constitués d'un écrou baladeur immobilisé en rotation et en prise avec un filet formé sur le tambour d'enroulement, ledit écrou baladeur se déplaçant entre l'extrémité du cordon fixée au tambour d'enroulement et ledit moyen de guidage du cordon.The winding device according to the invention is characterized in that the winding drum is fixedly mounted in translation in a frame having a guide means for the vertical section of the bead and in that the means for ensuring a winding of the cord in regular turns without overlapping are consisting of a sliding nut immobilized in rotation and engaged with a net formed on the drum winding, said sliding nut moving between the end of the cord attached to the winding drum and said cord guide means.
Lors de l'enroulement du cordon, les spires se forment en appui contre une face latérale de l'écrou baladeur. Si le pas de vis est égal ou supérieur au diamètre du cordon, celui-ci s'enroule alors en spires régulières sans chevauchement.When the cord is wound, the turns are formed resting against a side face of the sliding nut. If the thread pitch is equal to or greater than the diameter of the cord, it is then wound in regular turns without overlap.
Il est sans autre possible de monter plusieurs écrous baladeurs sur un même tube d'enroulement, ainsi que d'établir une liaison cinématique entre plusieurs tubes d'enroulement.No other nut can be fitted portable players on the same winding tube, as well as to establish a kinematic connection between several tubes winding.
Sur au moins la plus grande partie de la longueur de l'enroulement du cordon sur le tambour d'enroulement, le cordon passe obligatoirement d'un côté à l'autre de l'écrou baladeur. Pour des raisons de gain de place et en particulier si le tambour d'enroulement avec ses écrous baladeurs est monté dans un boítier, le cordon traverse l'écrou baladeur. Ce passage du cordon dans l'écrou baladeur peut être avantageusement utilisé pour commander une butée escamotable, comme c'est le cas dans le dispositif représenté dans le document EP-A-0 380 346. La butée escamotable peut être constituée par une simple bascule s'appuyant sur la section du cordon traversant l'écrou baladeur de telle manière qu'une tension sur le cordon a pour effet de soulever cette bascule et de dégager la butée de la contre-butée formée sur le tambour d'enroulement.Over at least most of the length of winding the cord on the winding drum, the cord must pass from one side to the other of the sliding nut. For reasons of space saving and especially if the winding drum with its sliding nuts is mounted in a case, the cord crosses the sliding nut. This passage of the cord in the sliding nut can be advantageously used to order a retractable stop, as is the case in the device shown in the document EP-A-0 380 346. The retractable stop can be formed by a simple rocker leaning on the section of the cord passing through the sliding nut in such a way that a tension on the cord has the effect of lifting this rocker and release the stopper from the counter-stopper formed on the winding drum.
Le dessin annexé représente, à titre d'exemple, un mode d'exécution de l'invention.The accompanying drawing shows, by way of example, a mode of carrying out the invention.
La figure 1 est une vue partielle et en coupe axiale selon I-I de la figure 2, d'un tambour d'enroulement de store dans une position proche de l'enroulement complet.Figure 1 is a partial view in axial section according to I-I of FIG. 2, of a winding drum of blind in a position close to the winding full.
La figure 2 est une vue en coupe transversale selon II-II de la figure 1.Figure 2 is a cross-sectional view along II-II of Figure 1.
La figure 3 est une vue analogue à celle de la figure 1, store complètement déroulé. Figure 3 is a view similar to that of Figure 1, blind completely unrolled.
La figure 4 est une vue en coupe transversale selon IV-IV de la figure 3.Figure 4 is a cross-sectional view along IV-IV of figure 3.
Le dispositif d'enroulement représenté comprend un
boítier ou caisson 1 de forme parallèlepipédique rectangulaire
ouvert vers le haut et muni de deux flasques
d'extrémité, tel que le flasque 2, supportant un moteur
tubulaire 3 dont l'enveloppe 4 porte et entraíne en
rotation un tambour d'enroulement 5 muni d'un filet de
vis en prise avec un écrou baladeur 6 de forme carrée
de côtés de longueur très légèrement inférieure à la
largeur intérieure du boítier 1, de telle sorte que
l'écrou baladeur 6 est immobilisé en rotation mais
qu'il peut se déplacer le long du tambour d'enroulement
5 lors de la rotation de celui-ci.The winding device shown comprises a
box or
A l'extrémité du tambour d'enroulement 5 opposée au
flasque 2 est fixée l'extrémité 7a d'un cordon 7. Cette
fixation est assurée par tout moyen adéquat, par
exemple une vis, une fente ou une bague. Le cordon 7
traverse la paroi inférieure du boítier 1, près du
flasque d'extrémité 2, à travers un oeillet 8 qui sert
de moyen de guidage au cordon 7 de telle sorte que
celui-ci descend verticalement. Il faut en effet se
représenter que l'enveloppe tubulaire 4 porte un second
tambour d'enroulement analogue au tambour 5 sur lequel
s'enroule un second cordon. Ces deux cordons sont fixés
à une barre de charge 9 qui constitue l'extrémité
inférieure du store, par exemple un store à lamelles.At the end of the
L'écrou baladeur 6 présente, dans sa partie
inférieure, une fente verticale (10), dirigée selon l'axe du
tambour d'enroulement, pour le passage du cordon 7. En
outre, l'écrou baladeur 6 présente un logement
intérieur vertical 11 dans l'un des angles inférieurs
duquel est articulée autour d'un axe horizontal 12, une
butée escamotable 13 constituée d'une pièce en V dont
le bras inférieur 13a traverse transversalement la
fente 10 et dont l'autre bras 13b est destiné à coopérer
avec deux contre-butées 14 et 15 formées
chacune par une paroi radiale d'une rainure s'étendant
tout le long du tambour d'enroulement 5 et
diamètralement opposées. Le fond des rainures est
convexe et pratiquement tangent à l'enveloppe du
tambour d'enroulement. Comme on peut le voir à la
figure 2, le tambour d'enroulement 5 peut toujours
tourner dans le sens des aiguilles d'une montre, c'est-à-dire
dans le sens d'enroulement du cordon, alors que
dans l'autre sens l'extrémité du bras 13b peut venir en
butée contre l'une des contre-butées 14 ou 15.The
Tant qu'une tension est exercée sur le cordon 7 par le
poids de la barre de charge 9, la section du cordon
traversant l'écrou baladeur 6 est tendue et prend une
position oblique qui soulève le bras 13a de la butée
escamotable 13, ce qui a pour effet d'écarter
l'extrémité du bras 13b du tambour d'enroulement 5, de
telle sorte que le tambour d'enroulement 5 peut tourner
dans le sens contraire des aiguilles d'une montre
correspondant au déroulement du cordon, sans que la
butée escamotable empêche cette rotation. Par contre,
lorsque la barre d'enroulement 9 arrive au bas de
l'embrasure 16 ou qu'elle rencontre un obstacle, la
tension sur le cordon 7 disparaít, ce qui permet à la
butée escamotable 13 de basculer sous l'effet de son
propre poids, de telle sorte que son bras 13b vient en
butée contre l'une des contre-butées 14 ou 15,
empêchant ainsi le tambour d'enroulement de continuer
de tourner et de provoquer un déroulement intempestif
du cordon amenant les spires à se chevaucher et à
s'emmêler.As long as tension is exerted on the
En plus des inconvénients éliminés par cette
construction, cette dernière présente l'avantage d'une
grande simplicité et de permettre de rejeter le point
d'entrée du cordon dans le caisson 1 à la quasi-extrémité
du store.In addition to the disadvantages eliminated by this
construction, the latter has the advantage of
great simplicity and allow to reject the point
entry of the cord into the
Le dispositif selon l'invention peut bien entendu être également utilisé avec un entraínement manuel.The device according to the invention can of course be also used with manual training.
Etant donné les brusques changements de direction du
cordon 7 à l'entrée dans le caisson 1 et après avoir
traversé l'écrou baladeur 6, les frottements en ces
points peuvent être importants. Il est toutefois
possible de réduire ces frottements par des arrondis
judicieux et/ou en remplaçant l'oeillet 8 par un galet.Given the sudden changes in direction of the
Le tambour d'enroulement ne doit pas être obligatoirement monté dans un caisson.The take-up drum must not be necessarily mounted in a box.
La butée escamotable pourrait avoir une autre forme et être munie d'un ressort tendant à la maintenir en position de blocage.The retractable stopper could have another shape and be provided with a spring tending to keep it in blocking position.
L'enveloppe tubulaire porte en général un second tube d'enroulement muni d'un filet de vis de sens opposé à celui du tube d'enroulement représenté et portant un second écrou baladeur se déplaçant en sens opposé à celui de l'écrou baladeur représenté.The tubular casing generally carries a second tube winding fitted with a screw thread opposite direction that of the winding tube shown and bearing a second sliding nut moving in opposite direction to that of the sliding nut shown.
Claims (5)
- Winding device for the suspension cord of a blind comprising a winding drum (5) to which is fixed the end (7a) of at least one suspension cord (7) and means for ensuring that the cord is wound in even turns without overlapping, characterized in that the winding drum (5) is mounted fixedly in terms of translation in a frame (1) having a guiding means (8) for the vertical section of the cord and in that the means for ensuring that the cord is wound in even turns without overlapping consist of a traveling nut (6) which is immobilised in terms of rotation and engages with a screw thread formed on the winding drum (5), said nut moving between the end of the cord fixed to the drum and said cord guiding means.
- Winding device as claimed in claim 1, characterized in that the traveling nut (6) has, in its lower part, a passage (10) for the cord, enabling this cord to traverse the traveling nut.
- Winding device as claimed in claim 2, characterized in that the winding drum (5) has, on its circumference, at least one counter-stop (14, 15) extending at least over a length equal to the travel of the traveling nut (6) and in that the traveling nut carries a retractable stop (13) cooperating with the counter-stop of the drum in order to oppose the rotation of the winding drum in the direction of unwinding when the cord is slack.
- Winding device as claimed in claim 3, characterized in that the retractable stop (13) includes a control arm (13a) resting on the cord so that the tension of the cord separates the stop from the counter-stop.
- Winding device as claimed in claim 4, characterized in that the retractable stop (13) consists of a V piece pivoting on its vertex (12) in the lower part of the traveling nut and one arm (13a) of which rests on the cord (7) and the other arm (13b) of which cooperates with the notch (14, 15) of the drum.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9500040 | 1995-01-04 | ||
FR9500040A FR2728933A1 (en) | 1995-01-04 | 1995-01-04 | DEVICE FOR WINDING BLINDS OF SUSPENSION OF BLINDS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0721048A1 EP0721048A1 (en) | 1996-07-10 |
EP0721048B1 true EP0721048B1 (en) | 1999-03-24 |
Family
ID=9474858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95810819A Expired - Lifetime EP0721048B1 (en) | 1995-01-04 | 1995-12-27 | Winding device for suspension cord of blinds |
Country Status (5)
Country | Link |
---|---|
US (1) | US5645118A (en) |
EP (1) | EP0721048B1 (en) |
JP (1) | JPH08232560A (en) |
DE (1) | DE69508549T2 (en) |
FR (1) | FR2728933A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6032716A (en) * | 1997-02-13 | 2000-03-07 | Rollease, Inc. | Bottom stop mechanism for a window covering |
US6244532B1 (en) | 1998-05-20 | 2001-06-12 | Btx Holdings, Inc. | System and apparatus for winding a lifting cord |
US6964291B2 (en) * | 2003-01-14 | 2005-11-15 | Ren Judkins | Double shade headrail with removable cord collection spools |
US6918424B2 (en) * | 2003-11-21 | 2005-07-19 | Ke-Min Lin | Cord winding device for a blind |
US7096918B2 (en) * | 2004-10-04 | 2006-08-29 | Ke-Min Lin | Winding device for a window blind |
ATE421021T1 (en) * | 2004-10-08 | 2009-01-15 | Ke-Min Lin | WINDING DEVICE FOR A ROLLER BLIND |
US7389806B2 (en) * | 2005-02-24 | 2008-06-24 | Lawrence Kates | Motorized window shade system |
US7287569B2 (en) * | 2005-05-03 | 2007-10-30 | Gwo-Tsair Lin | Tilt and lift device for adjusting tilt angle and height of slats of a Venetian blind |
TWM290727U (en) * | 2005-11-10 | 2006-05-21 | Guo-Hua Chen | Improved structure of winding reel for window curtains |
US20070169898A1 (en) * | 2006-01-25 | 2007-07-26 | Ke-Min Lin | Cord guide mechanism of winding device for Venetian blind |
GB2423785B (en) * | 2006-01-27 | 2007-03-21 | Ke-Min Lin | Winding device for venetian blind |
US20090308543A1 (en) * | 2008-06-13 | 2009-12-17 | Lawrence Kates | Motorized window shade system and mount |
EP2157273A1 (en) | 2008-08-22 | 2010-02-24 | WAREMA Kunststofftechnik und Maschinenbau GmbH | Coiling device |
US20120318907A1 (en) * | 2010-02-18 | 2012-12-20 | Velombra Srl | Unwinding and/or winding device, particularly for awnings and the like |
FR2957966B1 (en) * | 2010-03-23 | 2012-04-13 | Somfy Sas | CORD REEL OF A WINDOW COVER DEVICE |
CN108915562B (en) * | 2018-06-12 | 2020-03-03 | 杭州友普装饰材料有限公司 | Shutter with rope rotating device |
CN108979499B (en) * | 2018-06-12 | 2020-03-03 | 杭州友普装饰材料有限公司 | Rope rotating device for louver window |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2250106A (en) * | 1938-11-29 | 1941-07-22 | Lorentzen Hardware Mfg Corp | Venetian blind head bar organization |
NL109186C (en) * | 1958-09-09 | |||
CH408694A (en) * | 1962-01-26 | 1966-02-28 | Umbralux Ag | Pulling and adjusting device for slat blinds |
EP0355244A1 (en) * | 1988-08-23 | 1990-02-28 | ARQUATI S.p.A. | A device for raising and lowering packet and pleated blinds, provided with means for orderly winding the driving cords |
US4955421A (en) * | 1989-08-31 | 1990-09-11 | Kenney Manufacturing Company | Continuous cord roll up blind |
DE69125238T2 (en) * | 1990-10-11 | 1997-07-17 | Toso Co | Blind opening and turning mechanism |
US5178200A (en) * | 1990-12-14 | 1993-01-12 | Halge Hagen | Venetian-or pleated blinds, particularly for multiple pane insulating glass window |
US5103888A (en) * | 1990-12-28 | 1992-04-14 | Tachikawa Corporation | Blind slats lifting device |
US5184660A (en) * | 1991-11-01 | 1993-02-09 | Verosol Usa Inc. | Window blind activator |
FR2686934B1 (en) * | 1992-01-30 | 1994-04-15 | Somfy | DEVICE FOR WINDING STORE SUSPENSION CORD. |
US5318090A (en) * | 1993-05-11 | 1994-06-07 | Chen Cheng Hsiung | Roller assembly for venetian blind |
-
1995
- 1995-01-04 FR FR9500040A patent/FR2728933A1/en active Granted
- 1995-12-27 EP EP95810819A patent/EP0721048B1/en not_active Expired - Lifetime
- 1995-12-27 DE DE69508549T patent/DE69508549T2/en not_active Expired - Fee Related
- 1995-12-28 US US08/580,142 patent/US5645118A/en not_active Expired - Fee Related
- 1995-12-28 JP JP7343842A patent/JPH08232560A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH08232560A (en) | 1996-09-10 |
DE69508549D1 (en) | 1999-04-29 |
FR2728933A1 (en) | 1996-07-05 |
FR2728933B1 (en) | 1997-03-07 |
US5645118A (en) | 1997-07-08 |
DE69508549T2 (en) | 1999-09-02 |
EP0721048A1 (en) | 1996-07-10 |
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