EP0100288B1 - Perfectionnements aux mécaniques à crochets orientables - Google Patents

Perfectionnements aux mécaniques à crochets orientables Download PDF

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Publication number
EP0100288B1
EP0100288B1 EP83420119A EP83420119A EP0100288B1 EP 0100288 B1 EP0100288 B1 EP 0100288B1 EP 83420119 A EP83420119 A EP 83420119A EP 83420119 A EP83420119 A EP 83420119A EP 0100288 B1 EP0100288 B1 EP 0100288B1
Authority
EP
European Patent Office
Prior art keywords
eyelet
hook
depression
hooks
rod
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
EP83420119A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0100288A1 (fr
Inventor
Henri Magat
Pierre Mouterde
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 Verdol SA
Original Assignee
Staeubli Verdol SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Staeubli Verdol SA filed Critical Staeubli Verdol SA
Publication of EP0100288A1 publication Critical patent/EP0100288A1/fr
Application granted granted Critical
Publication of EP0100288B1 publication Critical patent/EP0100288B1/fr
Expired 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
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/06—Double-lift jacquards

Definitions

  • the present invention refers to the mechanical double armor armor in which the hooks taken by one of the two claw frames which move vertically in opposite directions to each other, are angularly offset around the axis of their rod so as to escape from the other frame without having to extend for this purpose the duration of what is called the press, that is to say of the phase during which said hooks are selectively pushed back by the corresponding needles.
  • the present invention aims to remedy this drawback.
  • the hooks are retained in the low rest position no longer by a frame cooperating with retaining spouts, but by means of a fixed bottom board provided for each hook with a depression with a flared inlet at the bottom of which the lower end of the hook rod, shaped as an eyelet or the like is centered at a precise angular position relative to the axis of the rod.
  • a mechanism comprising application of the present invention.
  • This comprises hooks with a single rod, only one of which has been shown at 1.
  • Each of them is controlled for selection by a needle 2 comprising a loop 2a which surrounds its rod.
  • the needles 2 pass through a plate 3 and receive the selective action of stops 4 guided by another perforated plate 5.
  • Each needle 4 is associated with a needle 6, which is able to cooperate with the perforated paper 7 of the mechanics. When a needle 6 meets a full of paper, it is raised and the stopper 4 thus comes into contact with a stopper 8 which oscillates horizontally, the needle 2 is then pushed back against the reaction of a spring R in causing the hook 1 considered.
  • the stopper 4 escapes the action of the stopper 8 so that the hook is not pushed by the needle 2.
  • fig. 2 and 3 we referenced 9 the rod of a hook. It carries at its upper end a first main spout 10 (fig. 2), then a little lower a second main spout 11, oriented in plan (fig. 3) at 90 ° from the previous one, then much lower still a retaining spout 12 disposed in plan along the bisector of the angle of the preceding spouts.
  • the lower end of the rod 9 is finally curved on itself in the form of an eyelet 13, which is incompletely closed in the embodiment shown, this eyelet being intended to be connected to the corresponding heald 14 (fig 1) in the way that will be explained later.
  • the main spouts 10 and 11 are intended to cooperate with the respective blades 15 of the upper claw frame 16 and 17 of the lower claw frame 18, these two frames coming and going vertically in opposite directions to each other.
  • the retaining spout it cooperates on its side with one of the blades 19 of the fixed frame of open pitch 20.
  • each depression 22 has in plan a roughly elliptical entry profile referenced 22a in FIG. 7, this profile comprising a major axis 22b.
  • the width of the depression 22 decreases as we get closer to its bottom so that in a vertical plane transverse to the major axis 22b, its profile is that of a cup, as indicated in 22c in fig. 6. In the vertical plane of the major axis 22b this profile is a half-circumference identical to that of the lower periphery of the eyelet 13.
  • the bottom of the depression 22 is perforated with a circular opening 23 whose profile is inscribed inside that 22a of the inlet of the depression 22.
  • main axes 22b are oriented so that when an eyelet 13 rests on the bottom of the corresponding depression 22, the retaining spout 12 of the hook with which this eyelet is secured is itself well oriented as shown in fig. 3.
  • each hook On the eyelet 13 of each hook is also hung an elastic strip 24 (fig. 4) which passes through the opening 22 and at the lower end of which the corresponding beam 14 is fixed.
  • a guide board 25 (fig. 4) pierced with narrow slots 26 for the passage of said strips 24.
  • the slots 26 are oriented so that when a hook rests on the bottom of the depression 22 corresponding to the bottom plate 21, its strip 24 has no torsion.
  • the invention has therefore made it possible to produce a mechanism with orientable hooks in which the correct orientation of the hooks in the low or rest position is ensured in a certain manner despite vibrations, inertia effects and other parasitic actions, which allows to operate it at higher speeds than those hitherto reached without risk of seeing selection faults appear.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Sewing Machines And Sewing (AREA)
  • Knitting Machines (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
EP83420119A 1982-07-19 1983-07-18 Perfectionnements aux mécaniques à crochets orientables Expired EP0100288B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8212847A FR2530269A1 (fr) 1982-07-19 1982-07-19 Perfectionnements aux mecaniques a crochets orientables
FR8212847 1982-07-19

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP85102976A Division EP0155004A3 (fr) 1982-07-19 1983-07-18 Perfectionnements aux mécaniques à crochets orientables
EP85102976.9 Division-Into 1985-03-15

Publications (2)

Publication Number Publication Date
EP0100288A1 EP0100288A1 (fr) 1984-02-08
EP0100288B1 true EP0100288B1 (fr) 1985-10-09

Family

ID=9276227

Family Applications (2)

Application Number Title Priority Date Filing Date
EP83420119A Expired EP0100288B1 (fr) 1982-07-19 1983-07-18 Perfectionnements aux mécaniques à crochets orientables
EP85102976A Ceased EP0155004A3 (fr) 1982-07-19 1983-07-18 Perfectionnements aux mécaniques à crochets orientables

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP85102976A Ceased EP0155004A3 (fr) 1982-07-19 1983-07-18 Perfectionnements aux mécaniques à crochets orientables

Country Status (6)

Country Link
US (1) US4529011A (cg-RX-API-DMAC7.html)
EP (2) EP0100288B1 (cg-RX-API-DMAC7.html)
JP (1) JPS5926541A (cg-RX-API-DMAC7.html)
DE (1) DE3360984D1 (cg-RX-API-DMAC7.html)
ES (1) ES524204A0 (cg-RX-API-DMAC7.html)
FR (1) FR2530269A1 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590280B1 (fr) * 1985-11-21 1987-12-24 Staubli Verdol Mecanique d'armure a crochets tournants pourvus d'un systeme de maintien desdits crochets
DE3728513A1 (de) * 1987-08-26 1989-03-09 Grosse Webereimaschinen Gmbh Niederhaltevorrichtung fuer durch jacquardmaschinen gesteuerte webmaschinen
FR2835537B1 (fr) * 2002-02-07 2004-10-01 Staubli Lyon Dispositif de formation de la foule et metier a tisser jacquard incorporant un tel dispositif

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US510752A (en) * 1893-12-12 Frank a
FR522640A (fr) * 1920-08-11 1921-08-02 Joseph Lievre Perfectionnement aux mécaniques d'armure de métiers à tisser
GB411288A (en) * 1933-06-06 1934-06-07 George Courtis Rutherford Improvements relating to comber boards for jacquard looms
FR1517985A (fr) * 1967-01-31 1968-03-22 Mecaniques Verdol Soc D Perfectionnements aux crochets à trois becs pour les mécaniques jacquard des métiers à tisser
DE7108172U (de) * 1971-03-04 1971-05-27 Mayer K Gmbh Vorrichtung an einer jacquardeinrichtung
DE2455035C2 (de) * 1972-04-11 1983-07-07 Verdol S.A., 69300 Caluire, Rhone Doppelthebende Jacquardmaschine
FR2179655B1 (cg-RX-API-DMAC7.html) * 1972-04-11 1976-06-11 Verdol Sa
DE2315968A1 (de) * 1973-03-30 1974-10-03 Theo Kenk Jacquardlitze mit gewichtseisen
DE2746094A1 (de) * 1977-10-13 1979-04-26 Stapperfend Gmbh & Co Verfahren und vorrichtung zur fachbildung bei webmaschinen
FR2493354A1 (fr) * 1980-11-03 1982-05-07 Verdol Sa Crochet perfectionne pour mecanique d'armure et analogue
DE3103729C2 (de) * 1981-02-04 1983-03-17 Maschinenfabrik Carl Zangs Ag, 4150 Krefeld Doppelhub-Offenfach-Jacquardmaschine
FR2509333A1 (fr) * 1981-07-10 1983-01-14 Verdol Sa Dispositif de guidage pour cadres mobiles d'une mecanique jacquard

Also Published As

Publication number Publication date
US4529011A (en) 1985-07-16
FR2530269A1 (fr) 1984-01-20
ES8404429A1 (es) 1984-04-16
EP0155004A2 (fr) 1985-09-18
EP0100288A1 (fr) 1984-02-08
EP0155004A3 (fr) 1990-07-11
ES524204A0 (es) 1984-04-16
FR2530269B1 (cg-RX-API-DMAC7.html) 1985-02-01
DE3360984D1 (en) 1985-11-14
JPS5926541A (ja) 1984-02-10

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