EP2381021B1 - Aiguille à tricoter pour machines à tricoter - Google Patents

Aiguille à tricoter pour machines à tricoter Download PDF

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Publication number
EP2381021B1
EP2381021B1 EP10014308.0A EP10014308A EP2381021B1 EP 2381021 B1 EP2381021 B1 EP 2381021B1 EP 10014308 A EP10014308 A EP 10014308A EP 2381021 B1 EP2381021 B1 EP 2381021B1
Authority
EP
European Patent Office
Prior art keywords
needle
knitting
drive foot
drive
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.)
Active
Application number
EP10014308.0A
Other languages
German (de)
English (en)
Other versions
EP2381021B8 (fr
EP2381021A1 (fr
Inventor
Armin Diebold
Gerhard Götz
Stefan Mayer
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.)
H Stoll GmbH and Co KG
Original Assignee
H Stoll GmbH and Co KG
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Filing date
Publication date
Application filed by H Stoll GmbH and Co KG filed Critical H Stoll GmbH and Co KG
Publication of EP2381021A1 publication Critical patent/EP2381021A1/fr
Application granted granted Critical
Publication of EP2381021B1 publication Critical patent/EP2381021B1/fr
Publication of EP2381021B8 publication Critical patent/EP2381021B8/fr
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Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B35/00Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B35/00Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D04B35/04Latch needles

Definitions

  • the invention relates to a knitting needle for knitting machines with a needle shank provided with a needle hook and with at least one arranged on the needle top drive foot for moving the needle according to the preamble of claim 1.
  • the knitting needles are required to perform three functions: forming stitches, inserting tying loops and staying in an inactive position. These functions are achieved by the interaction of the knitting needles with needle-bed sliding knitting systems, which are used to select the needle and which drive the needles in accordance with the desired function to be performed. The one or more drive feet of the knitting needle thereby engage with different lock curves forming lock parts in the knitting systems.
  • a drive leg of the needle, or a drive member connected to the needle, projecting above the needle bed becomes selected at selected locations during the passage of the foot pressed by a cam curve in the needle bed and thus disengaged from the lock.
  • the corresponding drive foot emerges from the needle bed again and can be brought into locking engagement again.
  • the use of a structurally complex pusher lock requires in addition to the needle also the use also provided with a drive foot drive elements. In addition, there is a risk that the knitting needle may unintentionally submerge in the needle bed at a greater load in the needle longitudinal direction, resulting in malfunction.
  • the use of lifting locks is also known.
  • the drive feet of the needles or the associated drive elements are first recessed in the needle bed and are raised at predetermined points of the lock passage from the needle bed. In this way, the drive foot can be brought into engagement with different cam curves. After the lock pass, the drive foot is actively pushed back into the needle bed to disengage.
  • Such a lifting lock is for example in the EP 0 189 602 B1 described.
  • the disadvantage with the use of lifting locks is that the needle foot after the lock passage must be actively pushed back into the needle bed, which requires a greater distance between the individual knitting systems.
  • the butt must be supported at some points during the lock passage from below to prevent accidental lowering into the needle bed.
  • needles is known in which the drive foot is lowered by spring force into the needle bed.
  • a latch needle is known, which is positively connected to a separate selection and drive element.
  • the resilient element of the drive element is not supported in or on the needle shaft or other elements of the needle.
  • a control board which serves for selecting and controlling mesh forming movements of knitting needles in a circular knitting machine.
  • the board has a rigid running control leg and an underlying spring leg. If the board is not selected for movement initiation in the knitting needle, the lock member pushes the control leg by contact with the longitudinal edge of a foot towards the groove base, whereby a surface of the selection foot is pressed against a permanent magnet of the control magnet assembly. The foot will then adhere to the magnet until the magnetic force is removed.
  • the present invention has for its object to provide a knitting needle for knitting machines, which is simple in construction and form without additional drive elements in the needle bed of a knitting system for selectively performing one of the three functions mesh, insert catch or remain inactive can be driven.
  • a knitting needle for knitting machines with a needle shaft provided with a needle hook and with at least one drive foot arranged on its top for moving the needle with the features of claim 1.
  • the needle shaft of this needle can be made at least predominantly of a rigid material and thereby have the necessary stability. Such a needle can be produced particularly easily. It can have a low mass and thus be quickly movable.
  • the at least one stop ensures that the drive foot can assume a defined end position and at the same time serves for stabilizing the resilient section in needles with a resilient portion of the needle shaft. If only one drive foot is provided, the needle is simple in construction and has a relatively short length.
  • the drive foot If the drive foot is movable against a spring force, one of the end positions of the drive foot can be assumed by the spring force generated in the needle itself.
  • the drive foot must only be actively driven in one of the directions of movement. Therefore, only a few drive elements for the knitting needle are needed. This allows a relatively narrow construction of the needle beds in the needle longitudinal direction.
  • the knitting locks for driving the knitting needle can also have a comparatively simple construction. There is only one drive foot to apply. A The directions of movement of the drive foot transversely to the needle longitudinal direction is also taken over by the spring force, so it must not be triggered active. There is no need to use a pusher or lift lock.
  • the at least one stop is arranged on a leg of the needle shaft, the result is a simple, low-mass construction of the needle.
  • the drive foot in its outermost lowered position does not protrude above the needle shaft or the needle bed upwards. In this position, the needle is therefore not covered by lock parts.
  • the drive foot can protrude above the needle shaft or needle bed at least in its outermost raised position, so that it can be detected by lock parts.
  • the structure of the needle can be designed differently.
  • the drive foot can be arranged on a resilient portion of the needle shaft.
  • the needle is thus integrally formed (apart from a tongue). Since the needle shaft outside the resilient region can be made rigid, the required mechanical stability of the needle is guaranteed.
  • the drive foot may be mounted on a pivotally connected to the needle shaft pivot member, wherein the pivot member is pivotable in at least one direction against a spring force relative to the needle shaft.
  • the pivot member is pivotable in at least one direction against a spring force relative to the needle shaft.
  • the spring force can be generated by a resilient portion of the needle shaft or the pivot member.
  • the drive foot When the at least one stop is located above the resilient portion, the drive foot may be brought against a spring force from a lower relaxed position to at least one raised position, the stop limiting movement.
  • a movement in the opposite direction can be limited by the needle bed.
  • the resilient portion may be arranged at one, in particular, any height between the needle bottom and the lower edge of the stop, in particular to be connected to the (remaining) needle shank.
  • the geometry of the resilient section is freely selectable depending on the application.
  • the cover rail 110 has the task of lifting the knitting needle, in the Fig. 1a, 1b the knitting needle 10, to prevent the needle bottom.
  • the knitting needle 10 has a needle shaft 1, which is provided at its front end with a needle hook 6.
  • the needle shaft 1 has a resilient portion 2, which in turn has a drive foot 3 at its end remote from the needle shaft 1. Above the resilient portion 2, the needle shaft 1 on a leg 4, which has a stop 5 at its end remote from the needle shaft 1 end.
  • the leg 4 extends substantially in the same direction as the resilient portion 2.
  • the leg 4 is, like all parts of the knitting needle 10 with the exception of the resilient portion 2, rigid.
  • the stop 5 serves to limit the movement of the drive foot 3 upwards, whereby the drive foot 3 can assume a defined upper end position.
  • the resilient portion 2 of the knitting needle 10 is shown in its relaxed state.
  • the drive foot 3 is thus in a lowered position. In this position, the drive foot 3 is sunk in the needle bed, so does not protrude beyond the needle shaft 1 and the cover rail 110 and can not be detected by not shown here lock parts of a knitting castle.
  • Fig. 1b shows the knitting needle 10 from Fig. 1a In a state in which the drive foot 3 has been brought by pressure from below by means of a force F against the spring force of the resilient portion 2 in a raised position.
  • the drive foot 3 protrudes beyond the needle shaft 1 and the cover rail 110 and can thus be detected by lock parts, not shown here, of a knitting lock.
  • the resilient portion 2 comes in this position to rest against the stop 5 of the leg 4. This allows the drive foot 3 occupy a defined upper end position. At the same time, this stop offers a possibility for stabilizing the resilient section 2.
  • the needle bed 100 can serve as a stop for the lower position of the drive foot 3.
  • the resilient portion 2 is below the leg 4, in particular between the needle bed and leg 4 or stop 5, respectively. With the rest of the needle shaft 1, the resilient portion 2 is connected below the leg 4.
  • the needle 10 is, apart from the tongue 8, formed in one piece or in one piece. It is understood that the resilient portion 2 may be biased in the reverse direction, so that the drive foot in the relaxed state in an upper position and the resilient portion 2 rests against the stop 5.
  • the drive foot 3 is then moved counter to the spring force down and can rest in a lower end position on the needle bed 100.
  • the Fig. 2a, 2b show an example of a two-piece knitting needle 20, in which the drive foot 23 is arranged on a pivoting element 27.
  • the Pivoting element 27 is rotatably mounted at a hinge point 29 of the needle shaft 21. In this needle, the entire needle shaft 21 is formed rigid.
  • the spring force is generated by a resilient portion 22 of the pivot member 27 which is inserted between the two legs 24 and 30 of the needle shank 21 and is supported between these legs 24, 30.
  • the in Fig. 2a shown relaxed position of the spring element 22 is the drive foot 23 in its raised position.
  • Fig. 2b the drive foot 23 in its lowered position.
  • the pivoting element 27 is pivoted downwards.
  • the spring element 22 has arched upward and is thus biased to bring the drive foot 23 after the termination of a force on him back to its raised starting position.
  • the intrinsically stiff leg 24 has a stop 25 for the pivoting element 27 with the drive foot 23.
  • resilient portion 22 is bent downwards so that the pivot member 27 rests against the stop 25 and the drive foot 23 is lifted out of the needle bed 100 out.
  • This can be lowered, as Fig. 2b shows.
  • the pivot member 27 pivots down until it touches the needle bed 100.
  • the spring element 22 is bent upward to bring the drive foot 23 after completion of the force on him back to its raised starting position.
  • the relaxed position of the spring element 22 could also be the upwardly bent position in which the drive foot 23 is in a lowered position. By pressure from below on the foot 23, this can be in the in Fig. 2a shown position.
  • the illustrated needles 10, 20 are latch needles. It is understood that the needles could also be designed as a slider needles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Claims (10)

  1. Aiguille à tricoter pour des métiers à tricoter, comprenant une tige (1, 21) d'aiguille, munie d'un bec (6, 26) d'aiguille et d'au moins un pied (3, 23) d'entraînement, disposé sur son côté supérieur, pour le déplacement de l'aiguille (10, 20), qui peut passer d'une position inférieure à au moins une position soulevée ou d'une position supérieure à au moins une position abaissée, caractérisée en ce que le au moins un pied (3, 23) d'entraînement est disposé à l'extrémité de l'aiguille (10, 20) opposée au bec (6) de l'aiguille et la tige (1, 21) de l'aiguille a au moins une butée (5, 25), pour limiter le mouvement du pied (3, 23) d'entraînement dans au moins l'un de ses sens de déplacement.
  2. Aiguille à tricoter suivant la revendication 1, caractérisée en ce qu'il est prévu seulement un pied (3, 23) d'entraînement.
  3. Aiguille à tricoter suivant la revendication 1 ou 2, caractérisée en ce que le pied (3, 23) d'entraînement peut passer, à l'encontre d'une force de ressort, d'une position inférieure à au moins une position soulevée ou d'une position supérieure à au moins une position abaissée.
  4. Aiguille à tricoter suivant l'une des revendications précédentes, caractérisée en ce que la au moins une butée (5, 25) est disposée sur une branche (4, 24) de la tige (1, 21) de l'aiguille.
  5. Aiguille à tricoter suivant l'une des revendications précédentes, caractérisée en ce que le pied (3, 23) d'entraînement ne dépasse pas, dans sa position abaissée ou inférieure la plus à l'extérieur, de la tige (1, 21) de l'aiguille vers le haut.
  6. Aiguille à tricoter suivant l'une des revendications précédentes, caractérisée en ce que le pied (3, 23) d'entraînement dépasse, au moins dans sa position soulevée ou supérieure la plus à l'extérieur, de la tige (1, 21) de l'aiguille vers le haut.
  7. Aiguille à tricoter suivant l'une des revendications précédentes, caractérisée en ce que le pied d'entraînement est disposé sur un tronçon (2) élastique de la tige (1) de l'aiguille.
  8. Aiguille à tricoter suivant l'une des revendications 1 à 6, caractérisée en ce que le pied (23) d'entraînement est monté sur un élément (27) pivotant, articulé à la tige (21) de l'aiguille, l'élément (27) pivotant pouvant pivoter, par rapport à la tige (21) de l'aiguille, dans au moins un sens, à l'encontre d'une force de ressort.
  9. Aiguille à tricoter suivant la revendication 8, caractérisée en ce que la force de ressort peut être produite par une partie (22) à ressort de l'élément (27) pivotant.
  10. Aiguille à tricoter suivant l'une des revendications 7 ou 9, caractérisée en ce que la au moins une butée (5, 25) est disposée au dessus de la partie (2, 22) à ressort.
EP10014308.0A 2010-04-22 2010-11-05 Aiguille à tricoter pour machines à tricoter Active EP2381021B8 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010017952A DE102010017952B4 (de) 2010-04-22 2010-04-22 Stricknadel für Strickmaschinen

Publications (3)

Publication Number Publication Date
EP2381021A1 EP2381021A1 (fr) 2011-10-26
EP2381021B1 true EP2381021B1 (fr) 2015-07-22
EP2381021B8 EP2381021B8 (fr) 2015-09-09

Family

ID=43530675

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10014308.0A Active EP2381021B8 (fr) 2010-04-22 2010-11-05 Aiguille à tricoter pour machines à tricoter

Country Status (4)

Country Link
EP (1) EP2381021B8 (fr)
JP (1) JP2011226054A (fr)
CN (1) CN102234875B (fr)
DE (1) DE102010017952B4 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010056426B4 (de) * 2010-12-28 2014-05-15 H. Stoll Gmbh & Co. Kg Strickmaschine
CN102672052A (zh) * 2012-05-31 2012-09-19 常熟市尚湖镇冶塘伟东模具厂 冲制电脑针织横编机用的针床插片坯体的模具
PT3597807T (pt) * 2018-07-18 2021-03-23 Groz Beckert Kg Ferramenta de máquina de tricotar, em particular agulha de máquina de tricotar

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB217874A (en) * 1923-06-20 1924-07-17 Erich Barth Improvements relating to circular knitting machines
GB286727A (en) * 1927-03-10 1929-01-10 Hemphill Co Improvements in mechanism for controlling knitting needles in plating operations
US4089192A (en) * 1976-04-30 1978-05-16 Kohorn Alfred O Knitting machine needles with improved cut-off and spring location
CH601543A5 (fr) * 1976-12-23 1978-07-14 Dubied & Cie Sa E
DE3569269D1 (en) * 1985-01-29 1989-05-11 Steiger Sa Atelier Constr Knitting machine
DE3836806A1 (de) * 1988-10-28 1990-05-03 Schieber Universal Maschf Flachstrickmaschine
US5154069A (en) * 1991-09-12 1992-10-13 Exeltor Inc. Knitting needle having force reduction portion
IT1255049B (it) * 1992-04-02 1995-10-17 Savio Spa Macchina circolare da maglieria ad aghi elastici con dispositivo di selezione a cursore scorrevole
DE4241906A1 (de) * 1992-12-11 1994-06-16 Schieber Universal Maschf Flachstrickmaschine
CN2231265Y (zh) * 1995-09-25 1996-07-17 林再兴 构造经改进的织针装置
DE19541407A1 (de) * 1995-11-07 1997-05-15 Hans Ruester Gmbh & Co Platine für die Auswahl und Steuerung maschenbildender Bewegungen von Strickwerkzeugen einer Strickmaschine
JP3292836B2 (ja) * 1998-05-06 2002-06-17 株式会社島精機製作所 横編機
DE19822862C2 (de) * 1998-05-22 2001-05-17 Sipra Patent Beteiligung Strickmaschinennadel und damit ausgerüstete Strickmaschine
JP2005225099A (ja) 2004-02-13 2005-08-25 Oki Data Corp 印刷装置
CN101314887B (zh) * 2008-07-16 2011-04-06 冯加林 一种适用于电磁选针的织针组合
CN101570914B (zh) * 2009-05-31 2011-06-22 冯加林 一种适用于电磁选针的织针组合

Also Published As

Publication number Publication date
DE102010017952A1 (de) 2011-10-27
EP2381021B8 (fr) 2015-09-09
DE102010017952B4 (de) 2012-04-19
CN102234875B (zh) 2014-03-12
CN102234875A (zh) 2011-11-09
EP2381021A1 (fr) 2011-10-26
JP2011226054A (ja) 2011-11-10

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