EP0163585A1 - Perfectionnements aux mécaniques d'armure du type rotatif pour métiers à tisser - Google Patents

Perfectionnements aux mécaniques d'armure du type rotatif pour métiers à tisser Download PDF

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Publication number
EP0163585A1
EP0163585A1 EP85420076A EP85420076A EP0163585A1 EP 0163585 A1 EP0163585 A1 EP 0163585A1 EP 85420076 A EP85420076 A EP 85420076A EP 85420076 A EP85420076 A EP 85420076A EP 0163585 A1 EP0163585 A1 EP 0163585A1
Authority
EP
European Patent Office
Prior art keywords
shaft
notches
mechanics
intended
levers
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.)
Withdrawn
Application number
EP85420076A
Other languages
German (de)
English (en)
French (fr)
Inventor
Joseph Palau
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.)
Staubli Faverges SCA
Original Assignee
Staubli Faverges SCA
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 Staubli Faverges SCA filed Critical Staubli Faverges SCA
Publication of EP0163585A1 publication Critical patent/EP0163585A1/fr
Withdrawn legal-status Critical Current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
    • D03C1/00—Dobbies

Definitions

  • the present invention relates to the armor mechanics intended to ensure the control of heald frames or similar elements mounted on the weaving looms with a view to forming the crowd, and it relates more particularly among these mechanics those of the so-called " rotary".
  • This shaft is driven by an intermittent rotational movement and at each stop, that is to say every half-turn of the aforementioned shaft, the reading device must, at the level of each of the blades of the mechanics (that is to say the actuation unit associated with each heald frame) and depending on the pattern or weave to be obtained on the fabric being woven, secure the actuating element either with said shaft to control the oscillating part, either with a fixed point in order to operate the angular immobilization of the latter.
  • This selective joining is generally obtained using at least one movable coupling member in the form of a key, hook or ratchet, subjected to the action of two pivoting levers arranged on either side of the shaft in order to actuate said movable member at the two stop positions thereof, each pair of pivoting levers being placed under the dependence of the mechanical reading device.
  • the present invention intends to remedy, which essentially consists in having at the end of the pivoting levers for controlling the armor mechanics, at least one rotating roller capable of rolling against the peripheral edge of the discs. , plates or other movable surfaces of the mechanics, said roller being able to cooperate with notches or suitably profiled notches formed in these surfaces.
  • the reference 1 consequently designates the main shaft of the dobby, animated by an intermittent rotational movement with stopping every 180 °.
  • This shaft 1 receives a series of bearings in number equal to that of the heald frames of the loom, and on each bearing is mounted an eccentric 2 attached laterally to a plate 3; on each eccentric 2 pivots the opening of a connecting rod 4 whose free end is coupled to a pivoting arm 5 which ensures, thanks to a cable 6a, the vertical displacement of the heald frame 6 of the envisaged blade.
  • the shaft 1, crenellated carries a drive disc 7 which is integral with it and the periphery of which is cut out by two radial notches 7a, diametrically opposite one another.
  • notches 7a are intended to selectively receive the terminal finger 8a of a hook or pawl 8 articulated on an axis 9 carried by the lateral plate 3 of the corresponding eccentric 2; a spring 10 tends to permanently recall the finger 8a of the pawl 8 in the direction of the shaft 1.
  • each pawl 8 The control of each pawl 8 is ensured by means of two pivoting levers 11 carried at articulation by fixed axes 12 oriented parallel to the shaft 1.
  • Each lever 11 has a square profile and is biased by a spring 13 in order to come to bear against a corresponding fixed stop 14.
  • These two stops 14 thus define on each lever 11 an actuating tail lla, capable of being controlled by pushers (arrows 15) of the reading device of the dobby.
  • each lever 11 is intended to cooperate with one of two ramps or ears 3a, 3b provided at two diametrically opposite points of the plate 3.
  • Each of these ears is hollowed out by a notch 3c, respectively 3d, the tilting pawl 8 carried by the plate 3 being provided, facing the notch 3c, with a terminal heel 8b intended for its actuation by the end of one of the levers 11 when the end llb of the latter cooperates with the 'notch 3c mentioned above.
  • each pivoting lever 11 is formed by a simple spout which under the action of the spring 13 comes to bear elastically against the periphery of the ears 3a and 3b for s '' automatically engage in one or other of the notches 3c or 3d when stopping the shaft 1 and the plate 3, in this case this end llb carries a small crazy roller, referenced 16, which on the functionally plays the same role as the spout it replaces.
  • each roller 16 comes into contact with the periphery of the ears 3a and 3b against which it rolls.
  • the friction effect is perfectly constant and it is weaker than in the case of the random friction of a fixed spout, so that the energy consumed is much lower and that there is in fact no appreciable release heat. Under these conditions, it is possible to dispense with any surface treatment at the ears 3a and 3b.
  • the notches 3c and 3d must have an appropriate profile for cooperating with the rollers 16, depending on the role which is assigned to said notches.
  • the notch 3c intended to ensure in connection with one of the levers 11 the positive blocking of the plate 3 against any rotation, has a reduced opening angle and an adequate depth in order to avoid any untimely withdrawal of the roller 16 once it has been introduced into said notch.
  • the notch 3d suitable for operating, when the shaft 1 stops, the simple positioning of the plate 3 in the case of reverse operation, is established at a wider opening angle and at a much lower depth, so that the positioning obtained ceases on its own by ejecting the roller 16 when the shaft 1 and the plate 3 are again driven in rotation.
  • the invention is not limited to the type of mechanics described above and corresponding to French patent applications No. 81 20502 and 83 02271; on the contrary, it is applicable to all mechanics for the formation of the rotary type crowd in which the movable members (keys, hooks or pawls) intended to couple the shaft with intermittent rotation with the oscillating parts (rod-lever assemblies or levers roller carriers) associated with the heald frames are actuated using pivoting levers which elastic means tend to apply, at least cyclically, against the notched periphery of rotating elements.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP85420076A 1984-04-27 1985-04-25 Perfectionnements aux mécaniques d'armure du type rotatif pour métiers à tisser Withdrawn EP0163585A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8407163A FR2563541B1 (fr) 1984-04-27 1984-04-27 Perfectionnements aux mecaniques d'armure du type rotatif pour metiers a tisser
FR8407163 1984-04-27

Publications (1)

Publication Number Publication Date
EP0163585A1 true EP0163585A1 (fr) 1985-12-04

Family

ID=9303809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85420076A Withdrawn EP0163585A1 (fr) 1984-04-27 1985-04-25 Perfectionnements aux mécaniques d'armure du type rotatif pour métiers à tisser

Country Status (4)

Country Link
EP (1) EP0163585A1 (es)
JP (1) JPS60231840A (es)
ES (1) ES8606918A1 (es)
FR (1) FR2563541B1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0851046A1 (fr) * 1996-12-31 1998-07-01 Staubli Faverges Ratière rotative et métier à tisser équipé d'une telle ratière

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078752A1 (fr) * 1981-10-29 1983-05-11 S.A. DES ETABLISSEMENTS STAUBLI (France) Perfectionnements aux ratières rotatives
DE3222581A1 (de) * 1982-06-16 1983-12-22 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Elektromagnetisch steuerbare kupplung einer textilmaschine
EP0116002A1 (fr) * 1983-02-07 1984-08-15 S.A. DES ETABLISSEMENTS STAUBLI (France) Ratière rotative synchronisée pour métiers à tisser

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH623365A5 (es) * 1977-07-21 1981-05-29 Sulzer Ag
CS233367B1 (en) * 1982-07-20 1985-03-14 Josef Blazek Apparatus for control of pawls,coupling disks of excentres in dobby machines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078752A1 (fr) * 1981-10-29 1983-05-11 S.A. DES ETABLISSEMENTS STAUBLI (France) Perfectionnements aux ratières rotatives
DE3222581A1 (de) * 1982-06-16 1983-12-22 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Elektromagnetisch steuerbare kupplung einer textilmaschine
EP0116002A1 (fr) * 1983-02-07 1984-08-15 S.A. DES ETABLISSEMENTS STAUBLI (France) Ratière rotative synchronisée pour métiers à tisser

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0851046A1 (fr) * 1996-12-31 1998-07-01 Staubli Faverges Ratière rotative et métier à tisser équipé d'une telle ratière
FR2757883A1 (fr) * 1996-12-31 1998-07-03 Staubli Sa Ets Ratiere rotative et metier a tisser equipe d'une telle ratiere
US5918645A (en) * 1996-12-31 1999-07-06 Staubli Faverges Catch configurations for the pivot arms of a rotary dobby
CN1057353C (zh) * 1996-12-31 2000-10-11 斯托布利－法韦日公司 旋转式多臂机构及装有该多臂机构的织布机

Also Published As

Publication number Publication date
FR2563541B1 (fr) 1986-07-11
FR2563541A1 (fr) 1985-10-31
ES8606918A1 (es) 1986-05-16
ES542451A0 (es) 1986-05-16
JPS60231840A (ja) 1985-11-18

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19860203

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Inventor name: PALAU, JOSEPH