EP1096049B1 - Vorrichtung und Einheit zum Verankern der Federn eines Jacquardwebgeschirrs sowie Webmaschine mit einer solchen Einheit - Google Patents

Vorrichtung und Einheit zum Verankern der Federn eines Jacquardwebgeschirrs sowie Webmaschine mit einer solchen Einheit Download PDF

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Publication number
EP1096049B1
EP1096049B1 EP00420218A EP00420218A EP1096049B1 EP 1096049 B1 EP1096049 B1 EP 1096049B1 EP 00420218 A EP00420218 A EP 00420218A EP 00420218 A EP00420218 A EP 00420218A EP 1096049 B1 EP1096049 B1 EP 1096049B1
Authority
EP
European Patent Office
Prior art keywords
base
profile
loom
assembly
foot
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
Application number
EP00420218A
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English (en)
French (fr)
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EP1096049A1 (de
Inventor
Dario Bassi
Patrick Vessella
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.)
Staeubli Lyon SA
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Staeubli Lyon SA
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Filing date
Publication date
Application filed by Staeubli Lyon SA filed Critical Staeubli Lyon SA
Publication of EP1096049A1 publication Critical patent/EP1096049A1/de
Application granted granted Critical
Publication of EP1096049B1 publication Critical patent/EP1096049B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D03C3/40—Constructions of lifting-cords
    • 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
    • D03C3/44—Lingoes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45471—Projection having movable connection between components thereof or variable configuration
    • Y10T24/45524—Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment

Definitions

  • the invention relates to a device for securing springs associated with a loom type harness Jacquard on a frame of such a trade, to a set of joining together comprising such a device and to a loom weave of Jacquard type comprising such an assembly.
  • each hook of a Jacquard mechanism is associated with one or more cords, the cords constituting together the mechanical harness.
  • Each cord is connected at the upper end of a heald provided with a grommet control of the position of a trade chain wire according to a generally vertical direction.
  • the lower end of each boom is connected to an anchor point, fixed relative to to the frame of the trade, thanks to a spring allowing to exercise a elastic return force on the arm.
  • a securing device of springs which includes several rods each equipped connecting means with a spring and integral with a base common.
  • This device is characterized in that it comprises nozzles fixed relative to the frame and in that the base is provided with hooks each capable of cooperating with one of the spouts of corresponding shape for hanging and elastic detachment of this device on at least one profile elongate.
  • the attachment formed by the base and the different rods it supports can be installed from particularly fast on the profile and dismantled also quickly, without the need for mounting or concomitant disassembly of neighboring fasteners.
  • the different rods of a device can be assembled and disassembled by group in relation to the loom. Flexible hooks and the spouts allow hooking and unhooking fast elastic bands on the elongated profile (s).
  • the invention also relates to a connection assembly springs of a Jacquard type harness which includes several devices as previously described and at minus an elongated section integral with the frame of the loom and defining, in a cross section, at least one spout able to cooperate with the attachment means provided on these devices. It can also be provided that at least one spacer strip is immobilized on the profile and provided of reception areas for part of the bases of these devices, with a predetermined spacing according to the longitudinal direction of the profile.
  • the invention finally relates to a loom of the type Jacquard comprising a set as previously described.
  • a loom is relatively easy to assemble and to maintain, while being as efficient as the trades known, its cost price and maintenance cost being significantly reduced compared to known trades.
  • the assembly 1 shown in Figures 1 and 2 includes two rails 2 and 3 formed by aluminum profiles and mounted on the lower frame 4 of a weaving loom with several threaded rods, only one of which appears in Figures 1 and 2 with the reference 5.
  • the frame 4 is sometimes called "ground" of the trade, the term frame signifying that the element 4 is a fixed part belonging to the structure of the trade.
  • Each threaded rod 5 is associated with plates 6 forming clamps and immobilizing the lower wings 2 a and 3 has rails 2 and 3.
  • the rails 2 and 3 extend in a direction XX 'generally perpendicular to the direction YY 'progression of the warp threads in the trade, the direction XX' thus being generally parallel to the direction of introduction of the weft threads into the crowd.
  • Spacers are arranged between rails 2 and 3 and keep their spacing at a value substantially constant.
  • a single spacer 7 is visible but the spacers are distributed along the length of rails 2 and 3.
  • Screws 8 cooperate with captive nuts 9 distributed over the length of the rails or profile 2 and 3 to immobilize these sections with respect to spacers 7 and the like.
  • the upper part 2 b of the rail 2 constitutes an elongated profile formed by two branches 21 and 22 defining between them a longitudinal channel 23.
  • the external branch 21 is provided with a longitudinal groove 21 a while the internal branch 22 is provided with a longitudinal groove 22 a .
  • the end part 22 b of the tab 22 forms a beak or hook oriented towards the outside of the space defined between the rails 2 and 3.
  • the upper part 3b of the rail 3 constitutes an elongated section of two branches 31 and 32 defining therebetween a channel 33, these legs 31 and 32 each being provided with a longitudinal groove 31a, respectively 32, while the branch 32 forms a beak or hook 32 b in its terminal part.
  • Each fastener 40 is formed by a base 41 and thirty-two rods 42 whose free or upper end 42 a is provided to engage in the internal volume of a spring 50 of helical type.
  • a single spring 50 is shown in the figures, however each rod 42 is designed to cooperate with a spring.
  • each rod 42 is provided with a net 43 provided to cooperate with the turns of the corresponding spring 50 and two divergent branches 44 intended to rub against the internal surface of the spring 50.
  • Other geometries can be envisaged for the securing means 43 and 44 provided at the end 42 a of each rod 42, in accordance with the respective technical teachings of FR-A-2 766 501 and EP-A-0 678 603 or according to other approaches.
  • the base 41 and the rods 42 form a single piece produced by plastic injection molding, such as than polyamide (PA) or polyoxymethylene (POM).
  • plastic injection molding such as than polyamide (PA) or polyoxymethylene (POM).
  • the base 41 is generally flat.
  • the plane of symmetry of each fastener 40 is also the plane of symmetry of the base 41 and the rods 42 of such a fastener.
  • the thickness e of each base 41 perpendicular to its plane of symmetry is relatively small, that is to say less than 5 mm and preferably of the order of 2 mm.
  • the upper edge 411 of the base 41 is substantially straight and perpendicular to the rods 42.
  • the lower edge 412 of the base 41 is rounded and convex, so that it can be engaged between the branches 22 and 32, above the spacers 7, the material of the base 41 giving sufficient rigidity to the fastener 40.
  • the base 41 is pierced with an orifice 413 constituting a grip handle for the fastener 40, in particular when the springs 50 are placed on the ends 42 has rods 42.
  • the base 41 also carries two elastic hooks 414 and 415 intended to cooperate with the beaks or hooks 22 b and 32 b of the branches 22 and 32 for an elastic attachment of each fastener 40 on the sections 2 b and 3 b .
  • An elastic attachment can be obtained thanks to the elastically deformable nature of the hooks 414 and 415 which are made of plastic material since they are in one piece with the base 41.
  • the geometry of the hooks 414 and 415 and of the spouts 22 b , 32 b is such that the contact surfaces 414 a , 22 c , 415 a and 32 c of these hooks and spouts are located in the thickness of the base 41 when it is in place.
  • the fasteners 40 can therefore be juxtaposed on the rails 2 and 3 with a high density.
  • the base 41 also extends by two handles 416 and 417 outside the hooks 414 and 415 relative to the orifice 413.
  • the hook 414 and the handle 416 are separated by a clearance slot 420 while the hook 415 and the handle 417 are separated by a similar slot 421.
  • the handles 416 and 417 each define an area 416 a or 417 a for receiving a tool 60, shown only in phantom in Figure 2, allowing to exert a force F for unhooking the hooks 414 and 415 engaged on the spouts 22 b and 32 b .
  • the flexible nature of the hook 414 is used to allow unhooking of the hook 415 relative to the beak or hook 32 b.
  • the tool 60 could be used on the handle 416 to allow a stall in the opposite direction.
  • a handle 416 or 417 is provided for each side of the base 41 allows an operation for the stall of the clip 40, including when it is accessible by only one side and regardless of its mounting direction.
  • the handles 416 and 417 are extended respectively by tongues 418 and 419 intended to penetrate into orifices 70 a and 71 a of two guide bars 70 and 71 disposed respectively in the channels 23 and 33 while being slid in the grooves 21 a and 22 a , 31 a and 32 a respectively .
  • the pitch p of the orifices 70 a and 71 a on the bars 70 and 71 determines the pitch of installation of the bars 40 on the rails 2 and 3. This pitch is chosen slightly greater than the thickness e of the fasteners 40.
  • Disassembly takes place using the tool 60 as indicated above, especially when one of the stems is damaged.
  • the disassembly can also be done by hand, by exercising a tensile force on one of the handles 416 or 417 or on another part of the base 41.
  • the clip 40 of this embodiment is intended to be mounted on a profile of the type formed by the rails 2 and 3 shown in Figures 1, 2, 4 and 5.
  • This clip differs from the previous in that the rods 42 are substantially shorter than those of the first embodiment and in that their ends 42a are devoid of branches.
  • the hooks 414 and 415 are respectively formed at the end of two legs 41 'and 41' 'extending from the base 41 opposite the edge 411.
  • the handles 416 and 417 for operating the hooks 414 and 415 are also provided on these legs 41 'and 411' ', so that it is not formed of slot separating these hooks and these handles as in the first embodiment.
  • the bending movements of 41 'and 41' 'tabs allow hooking and unhooking elastic hooks 414 and 415 on the corresponding spouts of the profile.
  • Positioning tabs 418 and 419 are also provided in the lower part of legs 41 'and 41' ' and are intended to cooperate with spacer bars of the type of bars 70 and 71 described with reference to first embodiment. These tabs 418 and 419 can have a thickness different from that of the rest of the legs 41 'and 41' '.
  • a crowd training device equipped with a assembly as shown in Figure 1 is easy to install on a loom when it is particularly reliable and that its maintenance is greatly simplified compared to devices of the state of the art.
  • a loom equipped with such a device is therefore of lower installation cost and maintenance than the known trades.
  • the geometry of the spouts 414 and 415 and of the hooks 22 b and 32 b can be modified without departing from the scope of the present invention.
  • the spouts of the base can be provided to be arranged between the hooks formed by the elongated profile.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Woven Fabrics (AREA)
  • Push-Button Switches (AREA)

Claims (10)

  1. Vorrichtung 40) zum Verankern von Federn (50), die einem Harnisch eines Jacquard-Webstuhls zugeordnet sind, an dem Gestell (4) des Webstuhls, wobei die Vorrichtung mehrere Stäbe (42) aufweist, die jeweils mit Mitteln (43, 44) zum Verbinden mit einer Feder ausgerüstet sind und fest mit einem gemeinsamen Fußteil (41) verbunden sind, dadurch gekennzeichnet, dass sie in Bezug auf das Gestell (4) feststehende Nasen (22b, 32b) umfasst und dass das Fußteil mit Haken (414, 415) versehen ist, die jeweils für die Zusammenarbeit mit einer der Nasen (22b, 32b) mit korrespondierender Form für das elastische An-(D) und Abhaken (F) der Vorrichtung an/von mindestens einem langgestreckten Profil (2b, 3b) geeignet sind.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Fußteil (41) im Ganzen gesehen plan ist und zur Anordnung entsprechend einer im Wesentlichen senkrecht zu einer Längsrichtung (X-X') des Profils (2b, 3b) liegenden Richtung (Y-Y') geeignet ist.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Stäbe (42) im Wesentlichen entsprechend einer Hauptebene des Fußteils (41) nebeneinander angeordnet sind.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Fußteil (41) mit einem Loch (413) durchbohrt ist, das einen Griff zum Aufnehmen der Vorrichtung 40) mit der Hand bildet.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Haken (414, 415) und die Nasen (22b, 32b) in einer solchen Weise orientiert sind, dass ihre jeweiligen Kontaktflächen (414a, 415a, 22c, 32c) in der Dicke (e) des Fußteils (41) umfasst sind.
  6. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Fußteil (41) mindestens ein Handhabungsgriff (416, 417) umfasst, der eine Aufnahmezone (416a, 417a) für einen Teil eines Werkzeugs (60) zum Abhängen der Vorrichtung (40) in Bezug auf das langgestreckte Profil (2b, 3b) definiert.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie mindestens eine Positionierzunge (418, 419), die geeignet ist, mit einem mit dem langgestreckten Profil (2b, 3b) fest verbundenen Führungsorgan (70, 71) zusammenzuarbeiten, umfasst.
  8. Anordnung zum Verankern von Federn (50), die einem Harnisch eines Jacquard-Webstuhls zugeordnet ist, an einem Gestell (4) des Webstuhls, dadurch gekennzeichnet, dass sie mehrere Vorrichtungen (40) nach einem der vorhergehenden Ansprüche und mindestens ein fest mit dem Gestell (4) verbundenes langgestrecktes Profil (2b, 3b) umfasst, dass entsprechend einem Querschnitt mindestens eine Nase (22b, 32b) definiert, die zur Zusammenarbeit mit Mitteln zum Anhängen (414, 415) der Vorrichtungen geeignet ist.
  9. Anordnung nach Anspruch 8, dadurch gekennzeichnet, dass sie mindestens eine Verbindungsleiste (70, 71) umfasst, die an dem Profil festgelegt werden kann und mit Zonen (70a, 71a) zur Aufnahme eines Teils (418, 419) der Fußteile (41) der Vorrichtungen (40) mit einem vorbestimmten Abstand (p) entsprechend der Längsrichtung (X-X') des Profils (2b, 3b) versehen ist.
  10. Jacquard-Webstuhl, dadurch gekennzeichnet, dass er mindestens eine Anordnung (1) nach einem der Ansprüche 8 oder 9 umfasst.
EP00420218A 1999-10-28 2000-10-25 Vorrichtung und Einheit zum Verankern der Federn eines Jacquardwebgeschirrs sowie Webmaschine mit einer solchen Einheit Expired - Lifetime EP1096049B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9913761A FR2800395B1 (fr) 1999-10-28 1999-10-28 Dispositif et ensemble de solidarisation de ressort de harnais jacquard et metier a tisser equipe d'un tel ensemble
FR9913761 1999-10-28

Publications (2)

Publication Number Publication Date
EP1096049A1 EP1096049A1 (de) 2001-05-02
EP1096049B1 true EP1096049B1 (de) 2002-12-11

Family

ID=9551673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00420218A Expired - Lifetime EP1096049B1 (de) 1999-10-28 2000-10-25 Vorrichtung und Einheit zum Verankern der Federn eines Jacquardwebgeschirrs sowie Webmaschine mit einer solchen Einheit

Country Status (9)

Country Link
US (1) US6302154B1 (de)
EP (1) EP1096049B1 (de)
JP (1) JP4819216B2 (de)
CN (1) CN1221692C (de)
AT (1) ATE229581T1 (de)
DE (1) DE60000960T2 (de)
ES (1) ES2186618T3 (de)
FR (1) FR2800395B1 (de)
PT (1) PT1096049E (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10124022C2 (de) * 2001-05-17 2003-04-10 Inst Textil & Faserforschung Fachbildeeinrichtung mit Federdämpfung
FR2826985A1 (fr) * 2001-07-05 2003-01-10 Amstar Sarl Dispositif amortisseur pour ressort de lisse de metier a tisser jacquard
FR2829511A1 (fr) * 2001-09-11 2003-03-14 Amstar Sarl Dispositif amortisseur pour ressort de lisse de metier a tisser jacquard
BE1014815A3 (nl) * 2002-05-07 2004-04-06 Wiele Michel Van De Nv Inrichting voor het bevestigen en het geleiden van ten minste een takelkoord in een jacquardmachine en jacquardmachine voorzien van een of meerdere dergeljke inrichtingen.
BE1015048A4 (nl) * 2002-07-19 2004-09-07 Wiele Michel Van De Nv Inrichting voor het bevestigen van terugtrekveren in een harnas van een jacquardweefmachine.
FR2900666B1 (fr) * 2006-05-03 2008-06-20 Staubli Lyon Soc Par Actions S Mecanisme de formation de la foule, metier a tisser equipe d'un tel mecanisme et procede de selection des crochets mobiles d'un tel mecanisme

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568935Y2 (de) * 1977-06-15 1981-02-26
US4513789A (en) * 1983-06-13 1985-04-30 The Baxter Corporation Jacquard harness attachment mechanism
DE8609665U1 (de) * 1986-04-09 1986-05-28 Etablissements Staubli-Verdol une S.A.R.L. francaise, Chassieu Vorrichtung zum Verankern der Enden der Litzen an einem Webgeschirr
JPS62170777U (de) * 1986-04-15 1987-10-29
FR2603612B1 (fr) 1986-09-05 1988-12-09 Brochier Soieries J Dispositif de variation de la densite des fils de chaine dans un metier a tisser
FR2672310B1 (fr) * 1991-02-01 1993-05-07 Staubli Sa Ets Registre de ressorts pour ratieres et autres mecaniques de tissage du type negatif.
FR2674264A1 (fr) * 1991-03-21 1992-09-25 Amstar Element de rappel a ressort pour lisse de metier a tisser equipe d'une mecanique jacquard.
FR2718810B1 (fr) 1994-04-19 1996-06-14 Staubli Verdol Dispositif d'assemblage de l'extrémité d'un ressort hélicoïdal par rapport à un autre organe.
FR2726010B3 (fr) * 1994-10-24 1996-08-30 Staubli Sa Ets Collet demontable pour harnais de mecaniques jacquard
FR2726011B1 (fr) * 1994-10-25 1996-12-20 Staubli Sa Ets Nouvel harnais demontable pour mecaniques jacquard
FR2756849B1 (fr) * 1996-12-06 1999-05-07 Tardy Jean Jacques Dispositif amortisseur pour ressort de lisse de metier a tisser jacquard
FR2756848B1 (fr) * 1996-12-06 1999-02-26 Tardy Jean Jacques Dispositif amortisseur pour ressort de lisse de metier a tisser jacquard

Also Published As

Publication number Publication date
FR2800395A1 (fr) 2001-05-04
JP2001159045A (ja) 2001-06-12
EP1096049A1 (de) 2001-05-02
CN1296090A (zh) 2001-05-23
DE60000960D1 (de) 2003-01-23
JP4819216B2 (ja) 2011-11-24
CN1221692C (zh) 2005-10-05
FR2800395B1 (fr) 2002-03-15
ATE229581T1 (de) 2002-12-15
PT1096049E (pt) 2003-04-30
US6302154B1 (en) 2001-10-16
ES2186618T3 (es) 2003-05-16
DE60000960T2 (de) 2003-11-13

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