EP0496048B1 - Aiguille à coulisse notamment pour des métiers à tricoter - Google Patents

Aiguille à coulisse notamment pour des métiers à tricoter Download PDF

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Publication number
EP0496048B1
EP0496048B1 EP91119307A EP91119307A EP0496048B1 EP 0496048 B1 EP0496048 B1 EP 0496048B1 EP 91119307 A EP91119307 A EP 91119307A EP 91119307 A EP91119307 A EP 91119307A EP 0496048 B1 EP0496048 B1 EP 0496048B1
Authority
EP
European Patent Office
Prior art keywords
needle according
compound needle
shank
longitudinal groove
recess
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
EP91119307A
Other languages
German (de)
English (en)
Other versions
EP0496048A1 (fr
Inventor
Albert Teufel
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.)
Groz Beckert KG
Original Assignee
Theodor Groz and Soehne and Ernst Beckert Nadelfabrik KG
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 Theodor Groz and Soehne and Ernst Beckert Nadelfabrik KG filed Critical Theodor Groz and Soehne and Ernst Beckert Nadelfabrik KG
Publication of EP0496048A1 publication Critical patent/EP0496048A1/fr
Application granted granted Critical
Publication of EP0496048B1 publication Critical patent/EP0496048B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D04B35/06—Sliding-tongue needles

Definitions

  • the invention relates to a slide needle, in particular for knitting machines, with a needle part carrying a head and a slide part which is mounted longitudinally displaceable relative thereto and cooperates with the head and has a shaft with a tip and at least one control foot and to which laterally acting brake spring means are assigned (see US -A-1 673 634).
  • the one-piece slider part is formed after the control foot with a so-called tracking which lies between two narrow spring tongues forming the brake spring means.
  • These two spring tongues are parts of a sheet metal part which has a bracket part connecting the two cut spring tongues at one end, which is bent in an approximately U-shaped manner onto the slide part and is captively fixed thereon by correspondingly bending its free ends.
  • the shaft of the slide part is provided with a small foot which is arranged at a distance from the control foot so that, like the control foot, it forms an axial stop for the intermediate bracket part of the sheet metal part .
  • the object of the invention is therefore to remedy this situation and to create a slide needle, in particular also a neck slide needle, which allows improved guidance of the slide in the area of the brake spring means to be achieved with relatively simple means.
  • the slide needle mentioned at the outset is characterized according to the invention in that the slide part is formed in two parts, with a first part, which is the tip and in the region of the end of the valve which is remote therefrom Shaft integrally formed coupling means, and with a second part in the longitudinal direction adjoining the first part, which carries the control foot, the brake spring means and molded receiving means for at least the end region of the shaft of the first part having the coupling means of the first part, and that the two parts in Areas of the coupling means are non-detachably rigidly connected.
  • This two-part design of the slide part means that the second part, which is provided with the brake spring means, can be designed independently of the first part, which carries the tip cooperating with the head of the needle part, in order to achieve optimal guiding properties in the respective groove of the needle bed of the machine. In particular, it can be made very stable and with good lateral guidance, without having to take into account, for example, the thickness of the slide part, which is limited with regard to the needle part.
  • the receiving means for the coupling means of the first part have a longitudinal groove formed in the second part, into which the end region of the shaft of the first part is fitted and which thus provides an exact lateral guidance of the shaft of the first part at the connection point with the second part guaranteed.
  • the second part of the slide part can, moreover, be made in accordance with the conditions specified by the mode of operation in the respective machine and the design of its needle bed.
  • the second part can have at least one shaft part, in the area of which the control foot is arranged, and / or on the second part, a follow-up to the control foot can be provided.
  • the coupling means have an anchoring foot which is arranged on the shaft of the first part of the slide part and which is fitted into a correspondingly shaped recess in the second part which extends from the longitudinal groove and thus significantly increases the stability of the connection.
  • the longitudinal groove and the recess can be arranged in a housing-like section of the second part, which can also carry the control foot.
  • the second part can have at least one opening which leads laterally into the recess and / or the longitudinal groove and which, for example, can facilitate the production of the connection between the two parts of the slide part.
  • the two parts can namely be permanently connected to each other in the area of the edge of the opening, e.g. caulked or welded or soldered together.
  • the anchoring foot can also be means, e.g. Have undercuts, projections or the like, for positive connection to the second part.
  • the slide part of the new slide needle allows a very simple design of the brake spring means, which in a preferred embodiment are formed by at least one lateral spring bend on the shaft or the tracking of the second part.
  • the shaft or the tracking of the second part can have at least one laterally arranged section of reduced thickness in the region of this spring bend.
  • the second part, at least in sections can have a greater thickness than the first part, it often being expedient if the second part, at least in sections, has a thickness approximately corresponding to the thickness of the needle part. In this way, largely non-rotatable guidance of the slide part in the associated guide groove of the needle bed can be ensured without additional measures.
  • the first part of the slide part that bears the tip is punched or finely cut from a corresponding steel strip.
  • the second part of the slide part can also be produced, for example, with an overall cut fineblanking tool or alternatively as an investment casting.
  • the brake spring means can also be formed by the second part itself, which is laterally connected to the protruding part of the shaft of the first part including an obtuse angle deviating from 180 °.
  • the neck slide needle shown in FIGS. 1, 2 has a flat needle part 1, which on one end has a head 2 with a needle hook 3 and on the other end is provided with a tracking 4, which at 5 in the manner shown in FIG. 2 has a spring bend is trained.
  • a pull-in spring 6 is arranged laterally on the needle part 1 in the region of the head 2, as is known per se.
  • a slide part 7 is guided in a longitudinally displaceable manner and has at one end a shaped tip 8 which can cooperate with the needle hook 3 in the manner shown in FIG. 1.
  • the slide part 7 is formed in two parts; it consists of a first part 9, which has the tip 8 and a shaft 10, which is shown in FIG. 4, and a second part 12 which carries a control foot 11 and which is shown in detail in two variants from FIGS. 5 to 8.
  • the two parts 9, 12 of the slide part 7 are non-detachably rigidly connected to one another.
  • the first part 9 is provided on its upper side with an anchoring foot 13 which forms part of coupling means and which is arranged at a short distance from the rear free end 14 of the shaft 10.
  • These coupling means on the first part 9 correspond to receiving means on the second part 12, which comprise a housing-like section 15, on the upper side thereof the control foot 11 is formed and to which a tracking 16 is connected.
  • a longitudinal groove 17 (FIG. 10) which opens towards the back of the needle and is symmetrical with the longitudinal center plane of the slide part 7 and which, starting from the end face of the section 15, extends into a recess 18 in the guide 16.
  • the housing-like section 15 and the guide part 19 are both on the back side in a common plane 20, which is indicated by dashed lines in FIG. 9.
  • a recess 21 which is substantially rectangular in cross section is formed in the housing-like section 15, which opens towards the two opposite broad sides of the section 15 and the opening edge of which is designated by 22 (FIG. 5) is.
  • the opening boundary 22 is essentially rectangular or square; however, it has a lateral extension 23 in the area of a corner adjacent to the longitudinal groove 17, approximately below the control foot 11.
  • the two parts 9, 12 of the slide part 7 produced separately, for example by fine cutting, are joined together in the manner shown in FIG. 9.
  • the shaft 10 of the first part 9 is inserted with its end region in a transition or press fit into the correspondingly tolerated parallel-flanked longitudinal groove 17, its anchoring foot 13 being pressed into the recess 21 with a corresponding fit.
  • the shaft 10 of the first part 9 lies with its back in the plane 20, i.e. it is flush with the back of the housing-like part 15.
  • the anchoring foot 13 is in each case formed with an undercut at 24.25 on its front side and optionally at 26 on its rear side, which undercut could also be designed differently if necessary.
  • the housing-like section 15 of the second part 12 is caulked in the region of the opening edges 22 with the anchoring foot 13 used.
  • the material of the section 15 displaced in the process results in a positive connection between these parts in the region of the undercuts 24, 25, as can be readily understood from FIG. 9.
  • the longitudinal groove 17 simultaneously ensures perfect mutual alignment of the two parts 9, 12 during assembly.
  • connection of the anchoring foot 13 to the housing-like section 15 could also take place, for example, by welding or soldering in the region of the opening edges 22.
  • the closed design of the housing-like section 15, which could also be referred to as a "cage”, which is opened from below through the back or longitudinal slot 17, ensures that when caulking a high caulking force can be initiated without warping, which ensures a heavy-duty, permanent connection between the two parts 9, 12.
  • the second part 12 is delimited in parallel at least in the housing-like section 15; its thickness is greater than that of the shaft 10 of the first part 9 and corresponds to the thickness of the needle part 1. This results in lateral running or guide surfaces on the second part 12 - and thus in the region of the end of the slide part 7 - which ensure that the Ensure the slider part 7 in the guide groove of the needle bed and reliably prevent the slider part 7 from twisting during splicing.
  • the brake spring means are also provided, which in the embodiment according to FIGS. 5, 7 are formed by a lateral spring bend 27 on the tracking 16.
  • An elongated recess 28 formed on a broad side results in a reduction in the thickness of the tracking 16 in the region of the spring bend 27 and thus a corresponding improvement in the suspension properties of the tracking 16 at the lateral bend.
  • the second part 12 is delimited with parallel flanks over its entire length.
  • the lateral spring bend is either laid in the shaft 10 of the first part 9, which is correspondingly angled at the connection point at 29, or it is the longitudinal slot 17 accordingly incorporated obliquely in the housing-like section 15.
  • the neck slide needle chosen as an embodiment does not imply any restriction of the invention; this is applicable to all types of needles.

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

Claims (18)

  1. Aiguille à coulisse, notamment pour des machines à tricoter, comportant une partie aiguille pourvue d'une tête et une partie coulissante qui est mobile dans la direction longitudinale par rapport à la tête et coopère avec celle-ci, présente une tige avec une pointe et au moins un talon de commande et à laquelle sont associés des moyens élastiques de freinage qui agissent latéralement, caractérisée par le fait que la partie coulissante (7) est formée de deux parties, à savoir d'une première partie (9) qui comprend la pointe (8) et dans la région de l'extrémité de la tige (10) éloignée de celle-ci, des moyens d'accouplement (13) formant corps avec ladite tige et d'une deuxième partie (12) qui fait suite à la première (9) dans la direction longitudinale, porte le talon de commande (11), les moyens élastiques de freinage (27; 29) ainsi que des moyens de réception (17, 21) formant corps avec elle pour au moins la partie terminale de la tige (10) de la première partie (9) comportant les moyens d'accouplement et par le fait que les deux parties (9, 12) sont liées rigidement entre elles, de manière non séparable, dans la région des moyens d'accouplement.
  2. Aiguille à coulisse selon la revendication 1, caractérisée par le fait que les moyens de réception comprennent une rainure (17) longitudinale qui est aménagée dans la deuxième partie (12) et dans laquelle la partie terminale de la tige (10) de la première partie (9) est encastrée.
  3. Aiguille à coulisse selon la revendication 1 ou la revendication 2, caractérisée par le fait que la deuxième partie (12) comporte au moins une partie tige dans laquelle est disposé le talon de commande (11).
  4. Aiguille à coulisse selon l'une des revendications précédentes, caractérisée par le fait que la deuxième partie (12) présente un prolongement (16) qui fait suite au talon de commande (11).
  5. Aiguille à coulisse selon l'une des revendications 2 à 4, caractérisée par le fait que la rainure (17) longitudinale débouche d'un côté dans un évidement (18) de la deuxième partie (12) qui est ouvert en direction de la face supérieure ou de la face arrière de ladite deuxième partie (12).
  6. Aiguille à coulisse selon l'une des revendications 2 à 5, caractérisée par le fait que les moyens d'accouplement comportent un talon de fixation (13) qui est disposé sur la tige (10) de la première partie (9) et qui est encastré dans un évidement (21) de forme adaptée de la deuxième partie (12) qui s'étend à partir de la rainure (17) longitudinale.
  7. Aiguille à coulisse selon la revendication 6, caractérisée par le fait que la rainure (17) longitudinale et l'évidement (21) sont disposés dans un tronçon (15) formant boîtier de la deuxième partie (12).
  8. Aiguille à coulisse selon la revendication 6 ou la revendication 7, caractérisée par le fait que la deuxième partie (12) présente dans la région de l'évidement (21) et/ou de la rainure (17) longitudinale au moins une ouverture latérale qui mène à l'évidement (21) et/ou à la rainure (17) longitudinale.
  9. Aiguille à coulisse selon les revendications 7 et 8, caractérisée par le fait que le talon de commande (11) est disposé sur le tronçon (15) formant boîtier de la deuxième partie (12).
  10. Aiguille à coulisse selon la revendication 8, caracterisée par le fait que les deux parties (9, 12) sont liées entre elles de manière non séparable dans la région du bord (22) de l'ouverture.
  11. Aiguille à coulisse selon la revendication 10, caractérisée par le fait que le talon de fixation (13) comporte des moyens (24, 25, 26) assurant la liaison par obstacle avec la deuxième parie (12).
  12. Aiguille à coulisse selon la revendication 11, caractérisée par le fait que les deux parties (9, 12) sont liées entre elles par sertissage.
  13. Aiguille à coulisse selon la revendication 10, caractérisée par le fait que les deux parties (9, 12) sont liées entre elles par soudage ou par brasage.
  14. Aiguille à coulisse selon l'une des revendications 3 à 13, caractérisée par le fait que les moyens élastiques de freinage sont constitués par au moins une déformation élastique (27) latérale au niveau de la tige ou du prolongement (16) de la deuxième partie (12).
  15. Aiguille à coulisse selon la revendication 14, caractérisée par le fait que la tige ou le prolongement (16) de la deuxième partie (12) présenter dans la région de la déformation élastique (27), au moins un troncon (en 28) d'épaisseur réduite qui est disposé latéralement.
  16. Aiguille à coulisse selon l'une des revendications 1 à 13, caractérisée par le fait que les moyens élastiques de freinage sont constitués par la deuxième partie (12) qui est liée a la partie de la tige (10) de la première partie (9) faisant saillie hors de celle-ci en formant latéralement un angle obtus différent de 180°.
  17. Aiguille à coulisse selon l'une des revendications précédentes, caractérisé par le fait que la deuxième partie (12) présente au moins par endroits une épaisseur supérieure à celle de la première partie (9).
  18. Aiguille à coulisse selon la revendication 17, caractérisée par le fait que la deuxième partie (12) présente au moins par endroits une épaisseur qui correspond sensiblement à celle de la partie aiguille (1).
EP91119307A 1991-01-15 1991-11-13 Aiguille à coulisse notamment pour des métiers à tricoter Expired - Lifetime EP0496048B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4100931A DE4100931A1 (de) 1991-01-15 1991-01-15 Schiebernadel, insbesondere fuer strickmaschinen
DE4100931 1991-01-15

Publications (2)

Publication Number Publication Date
EP0496048A1 EP0496048A1 (fr) 1992-07-29
EP0496048B1 true EP0496048B1 (fr) 1995-05-10

Family

ID=6423013

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91119307A Expired - Lifetime EP0496048B1 (fr) 1991-01-15 1991-11-13 Aiguille à coulisse notamment pour des métiers à tricoter

Country Status (5)

Country Link
US (1) US5186026A (fr)
EP (1) EP0496048B1 (fr)
JP (1) JP2747457B2 (fr)
CA (1) CA2059429C (fr)
DE (2) DE4100931A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4187006A1 (fr) 2021-11-25 2023-05-31 Groz-Beckert KG Outil à tricoter et procédé de fabrication d'un outil à tricoter

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0578962A (ja) * 1991-09-17 1993-03-30 Shima Seiki Mfg Ltd 編機用コンパウンドニードル
US5937673A (en) * 1997-05-01 1999-08-17 Shima Seiki Manufacturing, Ltd. Compound needle of a flat knitting machine
CH691543A5 (fr) * 1997-05-27 2001-08-15 Steiger Sa Atelier Constr Aiguille à coulisse pour machine à tricoter.
FR2821093B1 (fr) * 2001-02-20 2003-05-09 Steiger S A C Atel Const Aiguille a coulisse pour machine a tricoter
DE10335464B4 (de) * 2003-08-02 2006-06-14 Groz-Beckert Kg Verfahren zum maschinellen Maschenbilden mit zugehörigen Maschenbildungselementen
JP5732316B2 (ja) * 2010-06-18 2015-06-10 株式会社島精機製作所 横編機の複合針
JP5525344B2 (ja) * 2010-06-18 2014-06-18 株式会社島精機製作所 横編機の複合針
JP5766430B2 (ja) * 2010-11-22 2015-08-19 株式会社島精機製作所 横編機の複合針

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DE38061C (de) * K. A. SCHUBERT & F. B. SALZER, in Firma SCHUBERT, SALZER & Co. in Chemnitz Verbindungsweise der Wirkmaschinen-Nadeln mit den zu ihrer Bewegung dienenden Platinen
US2025466A (en) * 1935-12-24 Knitting mechanism
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US3584481A (en) * 1969-03-06 1971-06-15 Teihichi Kayashi Knitting needle for transferring stitches
DE2110916A1 (de) * 1970-03-17 1971-10-14 Vyzk Ustav Pletarzsky Arbeitselement einer Strickmaschine mit mindestens einem Nadelfuss
CS151111B1 (fr) * 1970-12-22 1973-09-17
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ES489371A0 (es) * 1980-02-20 1980-12-16 Tecnologia Ind Proyectos Y Pro Perfeccionamientos en las maquinas tricotosas de hacer punto
US4089192A (en) * 1976-04-30 1978-05-16 Kohorn Alfred O Knitting machine needles with improved cut-off and spring location
DE3151225C2 (de) * 1981-12-23 1985-01-31 Universal Maschinenfabrik Dr. Rudolf Schieber GmbH & Co KG, 7081 Westhausen Nadel für Flachstrickmaschinen
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JPS5914094A (ja) * 1982-07-15 1984-01-24 松下電工株式会社 デマンド装置
DE3336212C1 (de) * 1983-10-05 1985-01-03 Theodor Groz & Söhne & Ernst Beckert Nadelfabrik KG, 7470 Albstadt Gestanztes Strickwerkzeug fuer maschenbildende Textilmaschinen
JPS6059338B2 (ja) * 1983-10-06 1985-12-24 株式会社福原精機製作所 丸編機用のスライダ−針
JPS6221850A (ja) * 1985-07-19 1987-01-30 株式会社島精機製作所 複合針を使用した横編機
DE8706530U1 (fr) * 1987-05-07 1987-06-25 Theodor Groz & Soehne & Ernst Beckert Nadelfabrik Kg, 7470 Albstadt, De

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4187006A1 (fr) 2021-11-25 2023-05-31 Groz-Beckert KG Outil à tricoter et procédé de fabrication d'un outil à tricoter
WO2023094047A1 (fr) 2021-11-25 2023-06-01 Groz-Beckert Kg Outil de tricotage et procédé de fabrication d'un outil de tricotage

Also Published As

Publication number Publication date
DE4100931C2 (fr) 1992-10-15
DE4100931A1 (de) 1992-07-16
CA2059429C (fr) 1995-02-07
US5186026A (en) 1993-02-16
JP2747457B2 (ja) 1998-05-06
CA2059429A1 (fr) 1992-07-16
DE59105450D1 (de) 1995-06-14
JPH04289252A (ja) 1992-10-14
EP0496048A1 (fr) 1992-07-29

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