EP3919716B1 - Dispositif d'enfilage de store à lamelles - Google Patents

Dispositif d'enfilage de store à lamelles Download PDF

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Publication number
EP3919716B1
EP3919716B1 EP21175386.8A EP21175386A EP3919716B1 EP 3919716 B1 EP3919716 B1 EP 3919716B1 EP 21175386 A EP21175386 A EP 21175386A EP 3919716 B1 EP3919716 B1 EP 3919716B1
Authority
EP
European Patent Office
Prior art keywords
tooth
jaws
ladder
supporting
teeth
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.)
Active
Application number
EP21175386.8A
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German (de)
English (en)
Other versions
EP3919716A3 (fr
EP3919716A2 (fr
Inventor
Frantisek Zelinka
Jakub Peprnicek
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ZEBR sro
Original Assignee
ZEBR sro
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Publication of EP3919716A2 publication Critical patent/EP3919716A2/fr
Publication of EP3919716A3 publication Critical patent/EP3919716A3/fr
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Publication of EP3919716B1 publication Critical patent/EP3919716B1/fr
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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
    • E06B9/266—Devices or accessories for making or mounting lamellar blinds or parts thereof
    • 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 device for threading blind slats into support ladders.
  • Horizontal blinds are diferentiated according to how the individual slats are joined together to be arranged in the desired positions and spacing, while being easy to operate in terms of tilting, pulling down and pulling up.
  • Document WO 2014/009818 A1 shows a blind slat threading device comprising a base on which a mounting plate is arranged and on which two supporting stands are arranged opposite each other between which a space is arranged for vertical movement of a ladder with vertical ladder cords and pairs of transverse ladder strings arranged between them with a slit between them, whereby each supporting stand is bearing one assembly consisting of a front jaw and a rear jaw, whereas the front jaws are provided with an upper half-tooth at the top and a lower half-tooth at the bottom, whereas the jaws are pivotally connected to the upper cover plate of the supporting stand via an arm and a pin arranged thereon.
  • ladders are used to carry the slats, which consist of two extreme vertical cords connected at certain intervals by a pair of transverse strings, closely arranged together forming a slit. A slat is threaded into this slit and then carried by the ladder.
  • the blinds have a ladder with fabric strings.
  • the ladder is used to tilt the blinds and the strips to pull the blinds up.
  • the slat is threaded into the space between two pairs of strings, i.e. into the large window of the ladder.
  • the problem is that in such a large space the slat can easily twist or turn. This is most problematic at inter-glass blinds, as this problem cannot be easily corrected, and also at sloping roof windows where this situation occurs quite often. Therefore, in these applications the slats are still threaded between the strings by hand.
  • the aim of the invention is to introduce a device for automatically threading thin slats of blinds into ladders, which would be able to thread the slats safely without cutting the ladder and turning the slats.
  • each supporting stand is provided with two pneumatic actuator modules, each stand bearing one assembly consisting of a front jaw and a rear jaw, whereas the front jaws are provided with an upper half-tooth at the top and a lower half-tooth at the bottom and two middle teeth arranged between them, wherein on the front jaws carriers of guiding grooves with a needle for guiding the slat are arranged, wherein the front abutting portion of the carrier is an integral part of the front jaws and on the rear linearly movable working portion the guiding grooves are arranged, wherein the size of the guiding grooves corresponds to the size of the gap between the middle teeth, the rear jaws are provided with an upper half-tooth at the top and a lower half-tooth at the bottom, whereas between the upper half-tooth and the upper middle tooth and the lower half-tooth and the lower middle tooth of the front jaws gaps are arranged, against
  • arc-shaped grooves are created in the gear segments for the passage of tubing to the pneumatic actuator modules.
  • the support plate is attached to a supporting pin also arranged at the bottom of the rear jaw.
  • Fig.1 shows a blind slat threading device according to the invention in open state in a frontal top perspective view
  • Fig. 2 shows the device of Fig. 1 in a view from above with the extending teeth assemblies open
  • Fig. 3 shows the device of Fig. 1 in a top front perspective view with the extending teeth assemblies closed
  • Fig. 4 is a front view of extending teeth assembly open
  • Fig. 5 is a view of the extending teeth assembly from Fig. 4 in the closed position
  • Fig. 6 is an inside view of the extending teeth assembly in the fully open position
  • Fig. 7 is an external view of the extending teeth assembly in the fully open position.
  • Fig. 1 is a perspective frontal top view of the blind slat threading device 1 according to the invention, in the open state, with the ladder 2 moving vertically upwards.
  • the device 1 comprises a base 21 at the bottom, on which a mounting plate 18 is arranged.
  • On the mounting plate 18 two supporting stands 17 are arranged opposite each other in a longitudinal direction. Between them the ladder 2 with vertical ladder cords 3 and pairs of transverse ladder strings 4 is arranged.
  • Ladder strings 4 create a slit 5 into which the not shown slat is to be threaded in its horizontal position.
  • Pneumatic actuator modules 16 are arranged opposite each other in the two supporting stands 17 provided with air inlets 22.
  • Pneumatic actuator modules 16 are in fact made as pneumatic tongs on which two assemblies 28 of jaws 6, 6' with extending teeth and half-teeth 7, 8, 9, 11, 12 are pivotally mounted.
  • the front jaws 6 are created as rakes and the rear jaws 6' are created as a fork with two half-teeth 11, 12 shaped to complement the half-teeth 7 and 9 on the rakes at the front jaws 6.
  • device 1 consists of two mirror-symmetrical portions and, for clarity in the drawings, the reference signs are provided on only one part of the components.
  • Pneumatic actuator modules 16 are provided with supporting forks 19 in which not-shown pins are arranged and around these pins rotate holders 23 of the jaws 6, 6'. There are four jaws 6, 6' with extending teeth arranged in total in the device 1. The swinging of the holders 23 of the actuator module 16 is ensured by an internal device, available as a commercially supplied component. All the jaws 6, 6' have an arm 37 and are pivotally connected to the upper cover plate 36 of the supporting stand 17 via a pin 24 arranged on jaws 6, 6'.
  • the front jaws 6 are arranged opposite each other with two centrally arranged extending teeth 8, which are provided at the top with an upper half-tooth 7 and at the bottom with lower half-tooth 9 respectively.
  • the rear jaws 6' contain a top-arranged upper semi-tooth 11 and a bottom-arranged lower semi-tooth 12 and are without central teeth.
  • the lower half-tooth 12 and the upper half-tooth 11 fit into the gaps 27 when the jaws 6, 6' are closed.
  • the jaws 6 and 6' are arranged so that they can rotate synchronously and in a mirror-like manner, whereas the synchronicity of the movement is ensured by means of two engaging positioning gears 15 and two gear segments 14 engaged with them, which are part of the rear jaws 6'.
  • the gears 15 are pivotally arranged on not shown pins in the holes 20 in the mounting plate 18, and the gear segments 14 are rigidly connected at the bottom via support plate 13 to the rear jaws 6'. It can be seen in Fig. 6 .
  • Important parts are carriers 25 of guiding grooves 10 with the needle 26 for guiding the slats, wherein the front abutting portion 34 of the carrier 25 is integral with the front jaws 6 and the rear linearly movable working portion 33 which carries the guiding groove 10 is slidable.
  • the assembly 28 of the jaws 6, 6' is closed, this working portion 33 is pressed against the abutting portion 34, resulting in the guiding groove 10 being brought into the working position.
  • the front portion of the guiding groove 10 with the needle 26 passes through the gap 38 between the middle teeth 8.
  • the position of the guiding grooves 10 and the needle 26 corresponds to the position of the slit 5 between the two closely spaced transverse ladder strings 4 into which the slat is to be threaded.
  • the size of the guiding grooves 10 corresponds to the size of the gap 38 between the teeth 8.
  • the components to the left and and to the right from the vertical centre plane of the device 1 are mirror-like identical and mirror-like identically arranged.
  • the rear jaws 6' are provided only with an upper half-tooth 11 and a lower half-tooth 12. Also better seen here are the positioning gears 15 and the gear segments 14, by means of which the movements of the assemblies 28 of the front and rear jaws 6, 6' with the extending teeth are coupled together so that when the front jaws 6 rotate inwardly and outwardly, respectively, towards/from the center of the device 1, the rear jaws 6' also rotate inwardly and outwardly, respectively, in synchrony.
  • Fig. 3 shows the device 1 according to the invention when the assemblies 28 of the jaws 6, 6' are closed together in a frontal top view. A situation can be seen where the working portion of the carrier 25 is already pushed to its abutting part.
  • Fig. 4 and 5 show the decomposed movement of the jaws 6, 6' with the extending teeth of one assembly 28.
  • Fig. 4 is a view of one assembly 28 of the jaws 6, 6' with the extending teeth open.
  • Fig. 5 represents a view of one assembly 28 of jaws 6, 6' of Fig. 4 in the closed position.
  • the upper half-tooth 7 on the front jaw 6 and the upper half-tooth 11 on the rear jaw 6' are complemented in shape to form a single tooth corresponding in size to the middle teeth 8, which corresponds to the height of the window 31 of the ladder 2, which is formed by vertical ladder cords 3 at the sides and from below and from the top by transverse ladder strings 4.
  • the lower half-tooth 9 on the front jaw 6 and the lower half-tooth 12 on the rear jaw 6' are complemented in shape and also form one tooth corresponding in size to the middle teeth 8. It is obvious, that in the closed position of the jaws 6, 6' four teeth of substantially equal size are created on the left and right, the spacing, height and width of which correspond to the spacing, height and width of the individual windows 31 of the ladder 2. It can be clearly seen, how by the closing of the assembly 28 of jaws 6, 6', the half-teeth 7 and 9 are complementary in shape and dimension with the half-teeth 11 and 12.
  • Fig. 6 is an inside view of one assembly 28 of jaws 6, 6' in the fully open position, where the shape of the assembly 28 of jaws 6, 6' can be seen, with the extending teeth including the recess 29 in which the supporting fork 19 is arranged and which is connected to the holders 23 of jaws 6, 6' by means of the not shown connecting pins.
  • a support plate 13 On the lower surface of the rear jaw 6' a support plate 13 is fixed, on which a gear segment 14 is fixed from below, and which thus swings together with the jaw 6' and also drives the positioning gears 15.
  • gear segments 14 have grooves 32 in the shape of an arc so that the tubing 30 can pass to the pneumatic module 16.
  • Fig. 7 is an external view of one assembly 28 of jaws 6, 6' in the fully open position, i.e. from the other side than in Fig. 6 . It is presented, how the pneumatic actuator modul 16 is connected via supporting fork 19 to the holder 23 of the jaws 6, 6'.
  • the process for threading the slats into ladder 2 using device 1 is as follows: The assemblies 28 of jaws 6, 6' are opened and the ladder 2 is moved vertically upwards. When the assemblies 28 of the jaws 6, 6' are closed, the upper half-teeth 7 of the front jaws 6 and the upper half-teeth 11 of the rear jaws 6' are driven into the upper first window 31 and are joined to form a complete tooth. At the same time, the middle teeth 8 of the front jaws 6 are driven into the second and third windows 31 of ladder 2 below the upper first window.
  • the ladder 2 has at the closure of the jaws 6, 6' defined and stabilized windows 31 and tensioned transverse strings 4 .
  • the guiding grooves 10 with the needles 26 are directed to the pair of strings 4 between the second and third windows.
  • the integrated needle 26 has three main functions: to engage between the strings 4 and thereby spread them apart and create space for the slat, to guide the slat while preventing the ladder 2 from being cut at the critical point of contact with the edge of the slat during threading.
  • Needles 26 at the end of the guiding grooves 10 on the carriers 25 are directed perpendicularly into the slit 5 between the transverse strings 4, move into it and spread the strings 4. Then, the slats are driven between the strings 4 without coming into contact with the ladder 2. Then, the sliding working portion 33 of the carrier 25 with the guiding groove 10 is moved away and the jaws 6, 6' are opened again. The ladder 2 is moved vertically upwards so the position of the first upper window 31 is taken by the second window below it and the whole process is repeated until all the slats of the blind are successively threaded.
  • the blind slats threading device is suitable for threading thin blinds, especially inter-glass blinds, where the sharp edges of the blind slats may cause cutting or damage to the ladder into which the slats are to be threaded during the production of blinds.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)

Claims (3)

  1. Le dispositif d'enfilage (1) des lames de stores comprenant une base (21) sur laquelle repose une plaque de montage (18) et cette dernière reçoit deux supports d'appui juxtaposés (17) entre lesquels se situe un espace adapté pour le déplacement vertical de l'échelle (2) avec deux fils verticaux (3); entre ces derniers se trouvent les paires disposées de lacets transversaux (4) comprenant un jeu (5) entre eux où chaque support d'appui (17) est équipé de deux boîtes pneumatiques d'entraînement (16) sur lesquelles un ensemble (28) est systématiquement posé; ce dernier est formé par une mâchoire avant (6) et une mâchoire arrière (6') où la partie supérieure de la mâchoire avant (6) est équipée d'une demi-dent supérieure (7) et la partie inférieure de la mâchoire est équipée d'une demi-dent inférieure (9) et entre elles deux supports (25) à rainures (10) avec une aiguille (26) pour le guidage de la lame où la partie avant de butée (33) du support (25) fait partie intégrante de la mâchoire avant (6) et la partie arrière linéaire mobile de travail (34) les rainures (10) sont disposées; la taille des rainures (10) correspond à la taille du jeu (38) entre les dents (8) où la partie supérieure de la mâchoire arrière (6') est équipée d'une demi-dent supérieure (11) et la partie inférieure de la mâchoire arrière est équipée d'une demi-dent inférieure (12) où entre la demi-dent supérieure (7) et la demi-dent inférieure intermédiaire (8) et entre la dent inférieure intermédiaire (8) et la mâchoire avant (6) il y a les jeux (27) à l'opposition desquelles sont disposée, avec leur dimensions correspondantes, une demi-dent supérieure (11) et une demi-dent inférieure (12) sur la mâchoire arrière (6'), les mâchoires (6, 6') étant reliées de manière pivotante avec la plaque supérieure de couverture (36) du support d'appui (17) à travers un bras (37) qui reçoit un doigt (24) et simultanément à travers un support (23) qui fait partie de la boîte pneumatique d'entraînement (16) avec une fourche de support (19) où la plaque de montage (18) contient des orifices (20) qui abritent deux roues dentée pivotantes de positionnement (15) engrenées avec les segments dentés (14), ceux-là fixés à travers une plaquette de fixation (13) sur la partie inférieure de la mâchoire arrière (6').
  2. Le dispositif d'enfilage des lames de stores selon la revendication 1, caractérisé en ce que les segments dentés (14) contiennent les rainures (32) sous forme d'arc pour le passage des flexibles (30) vers les boîtes pneumatiques d'entraînement (16).
  3. Le dispositif d'enfilage des lames de stores selon les revendications 1 et 2 est caractérisé en ce que la plaquette de fixation (13) est fixée sur le doigt de support (35) également disposé sur la partie inférieure de la mâchoire arrière (6').
EP21175386.8A 2020-06-01 2021-05-21 Dispositif d'enfilage de store à lamelles Active EP3919716B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ2020312A CZ2020312A3 (cs) 2020-06-01 2020-06-01 Navlékací zařízení lamel žaluzií

Publications (3)

Publication Number Publication Date
EP3919716A2 EP3919716A2 (fr) 2021-12-08
EP3919716A3 EP3919716A3 (fr) 2021-12-15
EP3919716B1 true EP3919716B1 (fr) 2022-08-31

Family

ID=75273281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21175386.8A Active EP3919716B1 (fr) 2020-06-01 2021-05-21 Dispositif d'enfilage de store à lamelles

Country Status (3)

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EP (1) EP3919716B1 (fr)
CZ (1) CZ2020312A3 (fr)
PL (1) PL3919716T3 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2003304B1 (de) * 1970-01-26 1971-09-09 Hueppe Justin Fa Verfahren zum Herstellen von raffbaren Lamellenjalousien und Vorrichtung zur Durchfuehrung des Verfahrens
DE2535453C2 (de) * 1975-08-08 1986-12-11 Hunter Douglas Industries B.V., Rotterdam Vorrichtung zum Fertigstellen von Lamellenjalousien
DK170180B1 (da) * 1992-12-29 1995-06-06 Fabers Fab As C Fremgangsmåde til fremstilling af lamelpakker til persienner samt mekanisme til brug ved udøvelse af fremgangsmåden
ITPD20120053A1 (it) * 2012-02-28 2013-08-29 Dallan Spa Unità di impilatura di lamelle su una scaletta di sostegno con traversi doppi per la produzione di tende veneziane
ITPD20120224A1 (it) * 2012-07-13 2014-01-14 Dallan Spa Unità di impilatura di lamelle su una scaletta di sostegno con traversi doppi per la produzione di tende veneziane e metodo di inserimento di lamelle su una scaletta con traversi doppi
SI3026208T1 (en) * 2014-11-25 2018-04-30 Dallan S.P.A. Lifting unit on the support ladder with double cross beams for the production of blinds

Also Published As

Publication number Publication date
CZ308732B6 (cs) 2021-04-07
EP3919716A3 (fr) 2021-12-15
PL3919716T3 (pl) 2022-12-27
CZ2020312A3 (cs) 2021-04-07
EP3919716A2 (fr) 2021-12-08

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