EP0214073B1 - Mobile hook for the shedding mechanism of a loom - Google Patents

Mobile hook for the shedding mechanism of a loom Download PDF

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Publication number
EP0214073B1
EP0214073B1 EP86420213A EP86420213A EP0214073B1 EP 0214073 B1 EP0214073 B1 EP 0214073B1 EP 86420213 A EP86420213 A EP 86420213A EP 86420213 A EP86420213 A EP 86420213A EP 0214073 B1 EP0214073 B1 EP 0214073B1
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EP
European Patent Office
Prior art keywords
hook
partitions
movable
hooks
electromagnet
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
EP86420213A
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German (de)
French (fr)
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EP0214073A1 (en
Inventor
Dario Bassi
Joseph Palau
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Staeubli Verdol SA
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Staeubli Verdol SA
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Publication of EP0214073A1 publication Critical patent/EP0214073A1/en
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Publication of EP0214073B1 publication Critical patent/EP0214073B1/en
Expired legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types

Definitions

  • the improvements which are the subject of the present invention aim to remedy these drawbacks and to allow the production of a device for opening the step of the type in question, the movable hooks of which are retained by slides.
  • the crowd-forming device is provided with movable hooks having a T-shaped cross section each comprising on the one hand a heel which engages with play in a longitudinal slide constituted by a groove formed in each face of the dividing partitions, on the other hand a core which extends vertically inside each slide to carry at its upper end a stud and which is extended laterally to constitute a drive spout by a knife, and thirdly a pusher suitable for approaching the retaining blade its electromagnet at the end of travel of said hook before the corresponding top dead center.
  • the grooves formed in each face of the dividing partitions comprise an oblique ramp towards the outside, suitable for placing each movable hook corresponding to a determined position on the one hand relative to the end of the elastic blade provided for possibly retaining this hook, and on the other hand to the path of its knife.
  • Each ramp advantageously extends by a slope in the opposite direction so as to determine an edge against which rests each movable hook at its top dead center.
  • FIG. 1 Illustrated in fig. 1 one of the lifting systems of a warp thread of a device for training the crowd of a loom.
  • This system comprises two identical hooks 1 associated with each end of a funicular element such as a cord 2, each hook being raised and lowered alternately by means of two knives 3.
  • the cord 2 passes around a first pulley 4 d 'a lifting beam 5 comprising a second pulley 6 rotating in the same yoke 5a as that 4.
  • Around the pulley 6 passes an arch 7 whose end opposite to that which is connected to the corresponding beam is anchored at a fixed point 8a d 'one of the two vertical separating partitions 8 placed on either side of the hooks 1.
  • the upper part of the partition walls supports an electromagnet 9 on either side of which are arranged two vertical elastic blades 10 whose lower end 10a is bent in order to retain the corresponding hook 1.
  • each separating partition 8 is provided with two grooves 8b, so that after assembly of two separating partitions, these grooves determine two adjacent slides 11 (fig. 2).
  • each hook 1 affects in cross section the shape of a T, that is to say that it comprises a core 1 a and a heel 1 b whose dimensions are such that the core 1a passes between two separating partitions 8 without substantial play, while the heel 1b is engaged in each of the slides 11 of said separating partitions, as is more particularly illustrated in FIG. 2.
  • each hook 1 is guided vertically, this guide retaining the hook with play inside the slides.
  • each hook 1 is extended upwards by a bar 1 c which ends in a stud 1 d.
  • the core 1a also has a side beak 1 e by which it is raised and lowered by the corresponding knife 3.
  • the hook 1 comprises a rigid pusher 1f.
  • each groove 8b is provided with a ramp 8c oblique towards the outside, that is to say towards the knife 3.
  • This ramp is extended upwards by a slope 8d oriented in the opposite direction so that the latter and the ramp form an edge 8e against which the hook 1 rests at its top dead center, and which determines its transverse position relative to the curved end of the blade 10 and the path of its knife 3.
  • each separating partition 8 is provided with an oblong opening 8f intended for guiding the lifter 5.
  • This guiding is more particularly shown in FIG. 7 or it is observed that its yoke 5a is disposed in the opening 8f which constitutes a vertical guide of said lifter and its retention between two dividing partitions 8.
  • the hooks 1 are made of an appropriate plastic material and overmolded at each end of the cord 2.
  • an assembly thus produced or that a group of assemblies or module, can be oriented in any way, for example horizontally, owing to the fact that all the mobile elements are guided longitudinally with respect to the dividing partitions. .

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
  • Looms (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Sewing Machines And Sewing (AREA)
  • Toys (AREA)

Description

On sait qu'il existe des dispositifs du genre en question comportant deux crochets associés à chacune des extrémités d'un élément funiculaire lui- même associé à l'une des poulies d'un palonnier qui comporte une seconde poulie autour de laquelle passe l'arcade du fil de chaîne que l'on désire élever ou abaisser. Chaque crochet est pourvu d'un bec latéral coopérant avec un couteau animé d'un mouvement alternatif vertical. Dans la technique antérieure, les différents éléments des dispositifs pour la formation de la foule sont libres dans l'espace, ce qui entraîne des inconvénients. Tout d'abord les crochets mobiles associés aux extrémités de l'élément funiculaire ne sont pas guidés, de telle sorte que si une arcade se rompt, son remplacement est très difficile à effectuer et ceci d'autant plus qu'elle se trouve éloignée du bord du dispositif en question. En outre, le fait que les crochets ne soient pas guidés peut entraîner leur chute au milieu du dispositif, ce qui risque de provoquer un enchevêtrement des différents éléments funiculaires entre eux ou avec les arcades non rompues.We know that there are devices of the kind in question comprising two hooks associated with each end of a funicular element itself associated with one of the pulleys of a lifting beam which comprises a second pulley around which the arch of the warp thread that you want to raise or lower. Each hook is provided with a lateral beak cooperating with a knife driven by a vertical reciprocating movement. In the prior art, the various elements of the devices for forming the crowd are free in space, which involves drawbacks. First of all, the movable hooks associated with the ends of the funicular element are not guided, so that if an arch is broken, its replacement is very difficult to perform and this all the more so since it is far from the edge of the device in question. In addition, the fact that the hooks are not guided can cause them to fall into the middle of the device, which risks causing entanglement of the various funicular elements between them or with the unbroken arches.

En outre, l'absence de guidage des crochets mobiles peut entraîner des difficultés de saisie par le crochet de retenue correspondant puisque le trajet desdits crochets mobiles n'est pas exactement déterminé.In addition, the absence of guidance of the movable hooks can cause difficulties in gripping by the corresponding retaining hook since the path of said movable hooks is not exactly determined.

On remédié partiellement à ces inconvénients en groupant chaque système composé des crochets mobiles, du palonnier et des crochets de retenue entre deux cloisons séparatrices permettant ainsi la réalisation d'ensembles compacts et autonomes éventuellement groupés en modules aisément démontables. Toutefois, ces cloisons n'empêchent pas la chute des crochets vers l'extérieur au cours de certains incidents tels que la rupture d'un crochet de retenue. De plus, les modules ainsi réalisés peuvent difficilement être orientés autrement que verticalement. (Voir par exemple EP-A-0 098 428).These drawbacks are partially remedied by grouping each system composed of movable hooks, lifting beam and retaining hooks between two separating partitions thus allowing the production of compact and autonomous assemblies possibly grouped into easily removable modules. However, these partitions do not prevent the hooks from falling outwards during certain incidents such as the rupture of a retaining hook. In addition, the modules thus produced can hardly be oriented other than vertically. (See for example EP-A-0 098 428).

Les perfectionnements qui font l'objet de la présente invention visent à remédier à ces inconvénients et à permettre la réalisation d'un dispositif d'ouverture du pas de genre en question, dont les crochets mobiles soient retenus par des glissières.The improvements which are the subject of the present invention aim to remedy these drawbacks and to allow the production of a device for opening the step of the type in question, the movable hooks of which are retained by slides.

A cet effet, le dispositif de formation de la foule suivant l'invention est pourvu de crochets mobiles ayant une section transversale en forme de T comportant chacun d'une première part un talon qui s'engage avec jeu dans une glissière longitudinale constituée par une rainure ménagée dans chaque face des cloisons séparatrices, d'une seconde part une âme qui s'étend verticalement à l'intérieur de chaque glissière pour porter à son extrémité supérieure un mentonnet et qui se prolonge latéralement pour constituer un bec d'entraînement par un couteau, et d'une troisième part un poussoir propre à approcher la lame de retenue son électro-aimant en fin de course dudit crochet avant le point mort haut correspondant.To this end, the crowd-forming device according to the invention is provided with movable hooks having a T-shaped cross section each comprising on the one hand a heel which engages with play in a longitudinal slide constituted by a groove formed in each face of the dividing partitions, on the other hand a core which extends vertically inside each slide to carry at its upper end a stud and which is extended laterally to constitute a drive spout by a knife, and thirdly a pusher suitable for approaching the retaining blade its electromagnet at the end of travel of said hook before the corresponding top dead center.

Suivant une forme d'exécution préférée de l'invention, les rainures ménagées dans chaque face des cloisons séparatrices comportent une rampe oblique en direction de l'extérieur, propre à placer chaque crochet mobile correspondant à une position déterminée d'une part par rapport à l'extrémité de la lame élastique prévue pour éventuellement retenir ce crochet, et d'autre part au trajet de son couteau.According to a preferred embodiment of the invention, the grooves formed in each face of the dividing partitions comprise an oblique ramp towards the outside, suitable for placing each movable hook corresponding to a determined position on the one hand relative to the end of the elastic blade provided for possibly retaining this hook, and on the other hand to the path of its knife.

Chaque rampe se prolonge avantageusement par une pente en sens contraire de manière à déterminer une arête contre laquelle repose chaque crochet mobile à son point mort haut.Each ramp advantageously extends by a slope in the opposite direction so as to determine an edge against which rests each movable hook at its top dead center.

Le dessin annexé, donné à titre d'exemple, permettra de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est suscepible de procurer:

  • Fig. 1 est une coupe transversale d'un dispositif de formation de la foule comportant application des perfectionnements suivant l'invention.
  • Fig. 2 en est une coupe suivant II-II.
  • Fig. 3 à 6 illustrent le fonctionnement du dispositif suivant l'invention et plus particulièrement la manière dont ses crochets mobiles sont saisis par une lame élastique supérieure associée à un électro-aimant.
  • Fig. 7 est une coupe suivant VII-VII (fig. 1 ).
The appended drawing, given by way of example, will allow a better understanding of the invention, the characteristics which it presents and the advantages which it is capable of providing:
  • Fig. 1 is a cross section of a crowd formation device comprising application of the improvements according to the invention.
  • Fig. 2 is a section along II-II.
  • Fig. 3 to 6 illustrate the operation of the device according to the invention and more particularly the manner in which its movable hooks are gripped by an upper elastic blade associated with an electromagnet.
  • Fig. 7 is a section along VII-VII (fig. 1).

On a illustré en fig. 1 l'un des systèmes de levée d'un fil de chaîne d'un dispositif pour la formation de la foule d'un métier à tisser. Ce système comprend deux crochets identiques 1 associés à chacune des extrémités d'un élément funiculaire tel qu'un cordon 2, chaque crochet étant élevé et abaissé alternativement au moyen de deux couteaux 3. Le cordon 2 passe autour d'une première poulie 4 d'un palonnier 5 comportant une seconde poulie 6 tournant dans la même chape 5a que celle 4. Autour de la poulie 6 passe une arcade 7 dont l'extrémité opposée à celle qui est reliée à la lisse correspondante est ancrée en un point fixe 8a d'une des deux cloisons séparatrices verticales 8 placées de part et d'autre des crochets 1.Illustrated in fig. 1 one of the lifting systems of a warp thread of a device for training the crowd of a loom. This system comprises two identical hooks 1 associated with each end of a funicular element such as a cord 2, each hook being raised and lowered alternately by means of two knives 3. The cord 2 passes around a first pulley 4 d 'a lifting beam 5 comprising a second pulley 6 rotating in the same yoke 5a as that 4. Around the pulley 6 passes an arch 7 whose end opposite to that which is connected to the corresponding beam is anchored at a fixed point 8a d 'one of the two vertical separating partitions 8 placed on either side of the hooks 1.

La partie haute des cloisons séparatrices supporte un électro-aimant 9 de part et d'autre duquel sont disposées deux lames élastiques verticales 10 dont l'extrémité inférieure 10a est recourbée dans le but de retenir le crochet 1 correspondant.The upper part of the partition walls supports an electromagnet 9 on either side of which are arranged two vertical elastic blades 10 whose lower end 10a is bent in order to retain the corresponding hook 1.

Conformément à l'invention, les faces de chaque cloison séparatrice 8 sont pourvues de deux rainures 8b, de telle sorte qu'après assemblage de deux cloisons séparatrices, ces rainures déterminent deux glissières adjacentes 11 (fig. 2).According to the invention, the faces of each separating partition 8 are provided with two grooves 8b, so that after assembly of two separating partitions, these grooves determine two adjacent slides 11 (fig. 2).

Conformément à l'invention, chaque crochet 1 affecte en section transversale la forme d'un T, c'est-à-dire qu'il comprend une âme 1 a et un talon 1 b dont les dimensions sont telles que l'âme 1a passe entre deux cloisons séparatrices 8 sans jeu substantiel, tandis que le talon 1 b est engagé dans chacune des glissières 11 desdites cloisons séparatrices, comme cela est plus particulièrement illustré en fig. 2.According to the invention, each hook 1 affects in cross section the shape of a T, that is to say that it comprises a core 1 a and a heel 1 b whose dimensions are such that the core 1a passes between two separating partitions 8 without substantial play, while the heel 1b is engaged in each of the slides 11 of said separating partitions, as is more particularly illustrated in FIG. 2.

Ainsi chaque crochet 1 est-il guidé verticalement, ce guidage retenant le crochet avec jeu à l'intérieur des glissières.Thus each hook 1 is guided vertically, this guide retaining the hook with play inside the slides.

L'âme 1 a de chaque crochet 1 se prolonge vers le haut par une barrette 1 c qui se termine par un mentonnet 1 d. L'âme 1 a comporte encore un bec latéral 1 e grâce auquel il est élevé et abaissé par le couteau 3 correspondant. Enfin, parallèlement à la barrette 1c, le crochet 1 comporte un poussoir rigide 1f.The core 1 a of each hook 1 is extended upwards by a bar 1 c which ends in a stud 1 d. The core 1a also has a side beak 1 e by which it is raised and lowered by the corresponding knife 3. Finally, parallel to the bar 1c, the hook 1 comprises a rigid pusher 1f.

On observe que la partie haute de chaque rainure 8b est pourvue d'une rampe 8c oblique en direction de l'extérieur, c'est-à-dire en direction du couteau 3. Cette rampe se prolonge vers le haut par une pente 8d orientée en sens contraire de manière que cette dernière et la rampe forment une arête 8e contre laquelle repose le crochet 1 à son point mort haut, et qui détermine sa position transversale par rapport à l'extrémité recourbée de la lame 10 et au trajet de son couteau 3.It is observed that the upper part of each groove 8b is provided with a ramp 8c oblique towards the outside, that is to say towards the knife 3. This ramp is extended upwards by a slope 8d oriented in the opposite direction so that the latter and the ramp form an edge 8e against which the hook 1 rests at its top dead center, and which determines its transverse position relative to the curved end of the blade 10 and the path of its knife 3.

Comme illustré en fig. 3, lorsque le couteau 3 s'élève et que la lame 10 n'est pas attirée par l'électro-aimant, le mentonnet 1 d dudit crochet échappe à la partie recourbée 10a de cette lame, tandis qu'en fin de course, un peu avant le point mort haut, c'est l'extrémité du poussoir 1f qui vient agir sur ladite extrémité recourbée pour déformer la lame en direction du centre, c'est-à-dire qu'en fait elle se trouve à ce moment presque en appui contre le noyau 9a de l'électro-aimant 9. Une faible élévation supplémentaire du crochet 1 pour atteindre son point mort haut entraîne un pivotement complémentaire de la lame qui vient alors en appui contre le noyau 9a (fig. 4).As illustrated in fig. 3, when the knife 3 rises and the blade 10 is not attracted by the electromagnet, the chin 1 d of said hook escapes the curved part 10 a of this blade, while at the end of the race, a little before the top dead center, it is the end of the pusher 1f which acts on said curved end to deform the blade towards the center, that is to say that in fact it is at this moment almost in abutment against the core 9a of the electromagnet 9. A small additional rise in the hook 1 to reach its top dead center causes a complementary pivoting of the blade which then comes into abutment against the core 9a (fig. 4).

Si à cette position l'électro-aimant 9 est excité, la lame reste collée contre ce noyau 9a, de telle sorte que lors de la descente du couteau 3, le mentonnet du crochet 1 demeure accroché à l'extrémité recourbée de la lame 10, comme illustré en fig. 5. Au contraire, si l'électro-aimant n'est pas excité, par son élasticité propre elle revient à la position de fig. 3, de telle sorte que le crochet 1 redescend avec le couteau 3 (fig. 6).If at this position the electromagnet 9 is excited, the blade remains stuck against this core 9a, so that when the knife 3 descends, the hook hook 1 remains hooked to the curved end of the blade 10 , as illustrated in fig. 5. On the contrary, if the electromagnet is not excited, by its own elasticity it returns to the position of fig. 3, so that the hook 1 goes down again with the knife 3 (fig. 6).

Comme illustré en fig. 1, chaque cloison séparatrice 8 est pourvue d'une ouverture oblongue 8f destinée au guidage du palonnier 5. Ce guidage est plus particulièrement montré en fig. 7 ou l'on observe que sa chape 5a est disposée dans l'ouverture 8f qui constitue un guidage vertical dudit palonnier et sa retenue entre deux cloisons séparatrices 8. Ainsi, tous les éléments déplaçables d'un système de levée d'une arcade se trouvant retenus entre deux cloisons séparatrices, de telle sorte qu'on peut réaliser un module complètement autonome en assemblant un certain nombre d'ensembles comprenant des cloisons séparatrices.As illustrated in fig. 1, each separating partition 8 is provided with an oblong opening 8f intended for guiding the lifter 5. This guiding is more particularly shown in FIG. 7 or it is observed that its yoke 5a is disposed in the opening 8f which constitutes a vertical guide of said lifter and its retention between two dividing partitions 8. Thus, all the movable elements of a lifting system of an arch being retained between two separating partitions, so that a completely autonomous module can be produced by assembling a certain number of assemblies comprising separating partitions.

Suivant un mode de réalisation préféré, les crochets 1 sont établis en une matière plastique appropriée et surmoulés à chaque extrémité du cordon 2.According to a preferred embodiment, the hooks 1 are made of an appropriate plastic material and overmolded at each end of the cord 2.

On comprend aisément qu'un ensemble ainsi réalisé, ou qu'un groupe d'ensembles ou module, peut être orienté de manière quelconque, par exemple à l'horizontale, du fait que tous les éléments mobiles sont guidés longitudinalement par rapport aux cloisons séparatrices.It is easy to understand that an assembly thus produced, or that a group of assemblies or module, can be oriented in any way, for example horizontally, owing to the fact that all the mobile elements are guided longitudinally with respect to the dividing partitions. .

Claims (4)

1. Shedding mechanism for a loom, comprising a plurality of systems, each possessing two movable hooks (1) connected by means of a funicular element (2) and capable of being retained in the high position by means of an elastic blade associated with an electromagnet, the said systems being arranged between two vertical separating partitions (8) joined to one another to form an assembly, characterized in that the movable hooks (1) having a T-shaped cross- section each comprise, in the first place, a butt (1 b) which engages with play into a longitudinal slideway (11) consisting of grooves (8b) made in each face of the partitions (8) and, in the second place, a web (1 a) which extends vertically on the inside of each slideway (11) so as to carry a tow (1d) at its upper end and which is extended laterally so as to form the nose (1e) known per se for driving the hook (1) by means of a knife (3), and, in the third place, a pusher (1f) capable of bringing the retaining blade (10) closer to its electromagnet (9) at the end of travel of the said hook before the corresponding top dead centre.
2. Mechanism according to Claim 1, characterized in that the grooves (8) made in each face of the separating partitions (8) have an oblique ramp (8c) suitable for bringing the corresponding hook (1) into a specific position.
3. Mechanism according to Claim 2, characterized in that each ramp (8c) is extended by a slope (8d) in the opposite direction, so as to define an edge (8e), against which each movable hook rests at the corresponding dead centre.
4. Mechanism according to Claim 1, characterized in that the movable hooks (1) made of a plastic have a funicular element (2) respectively moulded on their ends.
EP86420213A 1985-08-23 1986-08-22 Mobile hook for the shedding mechanism of a loom Expired EP0214073B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8512817A FR2586433B1 (en) 1985-08-23 1985-08-23 IMPROVED MOBILE HOOK FOR A CROWD FORMING DEVICE OF A WEAVING MATERIAL
FR8512817 1985-08-23

Publications (2)

Publication Number Publication Date
EP0214073A1 EP0214073A1 (en) 1987-03-11
EP0214073B1 true EP0214073B1 (en) 1988-12-28

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EP86420213A Expired EP0214073B1 (en) 1985-08-23 1986-08-22 Mobile hook for the shedding mechanism of a loom

Country Status (6)

Country Link
US (1) US4690178A (en)
EP (1) EP0214073B1 (en)
JP (1) JPS6245745A (en)
DE (1) DE3661550D1 (en)
ES (1) ES2001509A6 (en)
FR (1) FR2586433B1 (en)

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Publication number Priority date Publication date Assignee Title
DE3713832C1 (en) * 1987-04-24 1988-06-23 Grosse Webereimaschinen Gmbh Circuit board control device for open compartment jacquard machine
DE3817417C2 (en) * 1988-05-21 1995-06-01 Schleicher Oskar Fa Shed forming device for textile machines, in particular weaving machines
DE3902792C1 (en) * 1989-01-31 1990-03-01 Fa. Oskar Schleicher, 4050 Moenchengladbach, De
US5095952A (en) * 1991-01-03 1992-03-17 Yu Hsiu Hsia Cheng Electromagnetic heald rod retention system for a jacquard system
FR2690695A1 (en) * 1992-04-30 1993-11-05 Staubli Verdol Waterproof case for the electromagnet of a device for training the crowd of a loom.
DE19514995C2 (en) * 1995-04-24 1997-06-19 Mayer Textilmaschf Warp knitting machine

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DE1710185C (en) * 1971-07-01 Werkzeugmaschinenfabnk Oerhkon Buhrle AG, Zurich (Schweiz) Jacquard machine with electromagnetically controlled strands
GB2047755A (en) * 1979-04-24 1980-12-03 Bonas Machine Co Improvements in loom heald control means

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US1678325A (en) * 1924-08-07 1928-07-24 Butin Emile Achille Arrangement for directly reproducing on fabric the required pattern
US2136076A (en) * 1936-11-13 1938-11-08 Lefler Patent Company Inc Pattern control mechanism
US3103953A (en) * 1961-03-13 1963-09-17 Lauritsen William Shedding mechanisms
BE669911A (en) * 1964-09-22
CH550729A (en) * 1972-01-25 1974-06-28 Mueller Jakob DEVICE FOR MOVING THREAD GUIDE DEVICES OF TEXTILE MACHINERY.
SE396098B (en) * 1973-03-05 1977-09-05 Lauritzen William Eger Nyboe DEVICE FOR MECHANICAL MANUVERING OF THE WIRE OR YARN CONTROLLER
US4041987A (en) * 1976-08-23 1977-08-16 Sulzer Brothers Limited Jacquard machine equipped with lifting wires and stationary arresting blades
CH657162A5 (en) * 1982-07-01 1986-08-15 Textilma Ag TECHNICAL DEVICE FOR A WEAVING MACHINE.
FR2535742A1 (en) * 1982-11-04 1984-05-11 Verdol Sa ARMOR MECHANICS WITH PERFECTED SELECTION OF HOOKS
GB8306813D0 (en) * 1983-03-11 1983-04-20 Bonas Machine Co Heald control apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1710185C (en) * 1971-07-01 Werkzeugmaschinenfabnk Oerhkon Buhrle AG, Zurich (Schweiz) Jacquard machine with electromagnetically controlled strands
GB2047755A (en) * 1979-04-24 1980-12-03 Bonas Machine Co Improvements in loom heald control means

Also Published As

Publication number Publication date
EP0214073A1 (en) 1987-03-11
FR2586433B1 (en) 1987-11-13
US4690178A (en) 1987-09-01
FR2586433A1 (en) 1987-02-27
JPS6245745A (en) 1987-02-27
ES2001509A6 (en) 1988-06-01
JPH0248658B2 (en) 1990-10-25
DE3661550D1 (en) 1989-02-02

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