EP2096200B1 - Umhängenadel mit innen liegender Federspitze - Google Patents

Umhängenadel mit innen liegender Federspitze Download PDF

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Publication number
EP2096200B1
EP2096200B1 EP08003528A EP08003528A EP2096200B1 EP 2096200 B1 EP2096200 B1 EP 2096200B1 EP 08003528 A EP08003528 A EP 08003528A EP 08003528 A EP08003528 A EP 08003528A EP 2096200 B1 EP2096200 B1 EP 2096200B1
Authority
EP
European Patent Office
Prior art keywords
needle
transfer
springs
longitudinal slot
needle body
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
EP08003528A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2096200A1 (de
Inventor
Klaus Kirchmair
Frank Weihing
Jürgen Schneider
Oskar Schaffer
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
Groz Beckert 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 Groz Beckert KG filed Critical Groz Beckert KG
Priority to EP08003528A priority Critical patent/EP2096200B1/de
Priority to US12/379,577 priority patent/US7836729B2/en
Priority to JP2009043733A priority patent/JP4954229B2/ja
Priority to TW098106064A priority patent/TWI377275B/zh
Priority to KR1020090016147A priority patent/KR101027639B1/ko
Priority to CN2009100083361A priority patent/CN101532208B/zh
Publication of EP2096200A1 publication Critical patent/EP2096200A1/de
Application granted granted Critical
Publication of EP2096200B1 publication Critical patent/EP2096200B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D04B35/04—Latch needles
    • 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

Definitions

  • the invention relates to a transfer needle, which serves as a knitting tool.
  • the invention relates to a transfer needle, which can be retracted without clamping action of their capstan (s) in the needle channel of a needle bed.
  • Knitting tools with cap springs are known.
  • the WO 2007/057041 A1 a transfer needle with an elongated needle body provided with a hook at one end.
  • the hook is associated with a tongue.
  • On the shaft of the latch needle recesses are formed on both sides, in which the rear ends of two Um Wegfedern are held firmly.
  • the cap springs have laterally outwardly bent portions adjacent the trailing ends and again lie with their tips in lateral recesses of the needle body.
  • Such Umberichtn are guided at least in their rear, provided with a drive foot area in needle channels of a knitting machine.
  • the needle channel has a width that is significantly less than the width occupied by the outwardly bent portions of the cap springs. If the needle is retracted very far into the needle channel, so that the outwardly bent portions must enter the narrow needle channel, the cap springs are compressed. It can happen that the lying in the lateral recesses tips of the cap springs are spread outwards. This can lead to increased friction of the needle in the needle channel.
  • Manufacturing tolerances can also cause the tips of the cap springs protrude beyond the needle thickness, so that half-stitches, when they slide in the direction of the capstan, can get caught on the tips.
  • a slider needle with a slider known which serves to seal the hook interior and further to the mesh transfer.
  • the needle has a broadened chest area, in which a longitudinal recess is formed. This is open to the hook of the needle.
  • the slider is mounted longitudinally displaceable on the needle having resilient outwardly arched arms. These lie with their resilient tips to each other and engage from above into the longitudinal recess. The slider is used to open and close the hook interior and to the mesh transfer.
  • the transfer needle according to the invention has at least one cap spring, which has one end fixedly connected to the needle body, i. is fixed on this. Starting from this rear end, the cap spring is bent laterally and thus projects laterally beyond the needle body.
  • the Um bioadel two Um healthyfedern are provided, which are bent away from each other in a central region, the Um yogafedern sit with its other end in a limited longitudinal walls of the needle body and two Um yogafedern are guided play with their tips in the longitudinal slot.
  • the needle body has a uniform width, wherein its width is to be measured between its two preferably flat side surfaces. In particular, it is considered advantageous if the longitudinal slot provided with the portion of the needle shaft is not wider than the rest of the needle shaft.
  • the transfer needle provided with at least one or even two wrap-around springs can be withdrawn into a needle channel without a clamping effect or excessive wear occurring.
  • the walls of the needle channel may compress the outwardly bent portions of the cap spring.
  • the consequent stretching of the cap spring in the longitudinal direction causes the front ends of the cap spring to slide slightly in the longitudinal slot.
  • the front ends of the cap springs may be tapered. This taper or reduction in the thickness of the tips of the cap springs can be up to 50% of the width of the cap spring. In special applications, the reduction may even be greater than 50% of the spring width.
  • the longitudinal slot of the needle body thereby guides the front ends of the Um Kunststofffedern and prevents them rub against the wall of the needle channel. In particular, it is prevented that the front ends of the cap springs spread outwards and self-damage or cause damage to the walls of the needle channel.
  • the needle body in this area has smooth outer sides so that the half stitches sliding over these outer sides of the needle shaft can not get caught on the pointed front ends of the cap springs.
  • the capstan can smoothly connect to the upper narrow surface of the needle shank, so that half-stitches can slide freely from the needle shaft on the Umitatifedern.
  • the longitudinal slot has an entrance through which the front tip (s) or end (s) of the at least one transferring spring or the transfer springs enter the longitudinal slot.
  • This input is preferably arranged on the side facing away from the hook of the Umitatiadel side of the longitudinal slot.
  • the entrance is understood as an opening which is open to the fixed rear ends of the at least one transfer spring.
  • the longitudinal slot is open both on the hook-facing side and on the side facing away from the hook in the longitudinal direction. This is especially true when using needle bodies with a relatively short longitudinal slot.
  • the at least one capping spring is made possible, when it enters the needle channel of a needle bed, to emerge again with its tip from the hook-side end of the longitudinal slot.
  • shoulder needles with two cap springs.
  • the tips of the wrap springs partially cross the slot end in a compressed state, they may tilt slightly outward without directly contacting the wall of the needle channel. Releasing the tips of the wrap springs reduces the force needed to compress the two springs to insert the wrap spring into the needle channel. As a result, otherwise occurring increased frictional forces between the transfer needle and the needle channel be avoided.
  • At least one of the longitudinal slot of the needle body defining walls is provided with a lateral opening into which the tip of the cap spring can bulge or spread.
  • the transfer needle has two transfer springs, these lie in the longitudinal slot in the rest state at their front ends or tips resiliently against each other. Even if the cap springs are compressed, the contact of the two front ends is maintained with each other. At best, the point at which the cap springs touch each other, slightly in the longitudinal direction. Because the wrap-around springs meet in the median plane of the umbilical pins, they may spread slightly outward (eg, through openings in the side walls of the longitudinal slot) without coming into direct contact with the needle channel wall. This is a significant advantage over needles with their suspension springs stored in lateral pockets of the needle body.
  • FIG. 1 a Um yogaradel 1 is illustrated, which carries a half-stitch 2.
  • the half-stitch 2 is formed by a portion of a stitch that protrudes from an emerging knit fabric.
  • the transfer needle 1 may be assigned to one or more further needles 3, which move, for example, along a parallel to the transfer needle 1 oriented axis 4, to take over the half-stitch 2, if necessary.
  • the transfer needle 1 has an elongated needle body 5 which extends along a longitudinal direction L. At one end of the needle body 5 is provided with a hook 6. The hook 6 is associated with a tongue 7, which is also pivotally mounted as in other latch needle. FIG. 1 shows the tongue 7 in reserve. The tongue 7 can be pivoted towards the hook 6 and abut against it to enclose a thread or a half stitch.
  • the needle body 5 carries at least one, but preferably two Umitatifedern 8, 9 of thin spring plate, which are fixed to the needle body 5. These cap springs 8, 9 form a shoulder area, which serves to transfer the half stitch 2 to other knitting tools, eg needles 4.
  • the shoulder area is followed by a more or less long shaft area.
  • the needle body 5 may be further provided with at least one drive foot 10 or other drive means.
  • the needle body may be provided with coupling means to connect drive elements such as a toe or the like.
  • the cap springs 8, 9 are formed in the preferred embodiment mirror images of each other. If necessary, however, they may also have different shapes. They both each have a holding section 11, 12 in the form of a fixing end, as is apparent from the FIGS. 2, 3 and 4 evident.
  • the attachment end 11, 12 is formed for example by a plate-like planar portion, from which an extension 13, 14 extends upward, which serves for the axial securing of the Umberichtn'8, 9.
  • the holding portions 11, 12 are arranged in a lateral recess 15 which is formed in the needle body 5.
  • the recess 15 is etc.det example as a shallow groove, at the flat bottom of the holding portion 12 is present.
  • the holding portion 11 may be congruent on the holding portion 12.
  • the recess 15 may have a cutout 16 which extends to the upper narrow flat side 17 of the shaft of the needle body 5 and breaks through this upper side.
  • the extensions 13, 14 can extend into the cutout 16 of the recess 15 and thus fix the cap springs 8, 9 axially. It is possible that the extensions 13, 14 project slightly beyond the narrow flat side 17.
  • the holding portions 11, 12 may be crimped, welded, glued, soldered or otherwise connected to the needle body.
  • the sections 18, 19 of the transfer springs 8, 9 extend toward the hook 6.
  • the sections 18, 19 define a distance between each other that exceeds the width of the needle body 5.
  • the width of the needle body 5 is measured between its two parallel large flat sides 35, 36.
  • the front ends of the sections 18, 19 merge into arms 20, 21, which run towards each other. At their front ends 22, 23, the arms 20, 21 touch each other.
  • the ends 22, 23 protrude into a longitudinal slot 24, which is preferably open at the top of the needle body 5.
  • the longitudinal slot 24 is disposed in a portion of the needle body 5, whose width with the width of the needle body in the remaining Um rehabilitationabites preferably matches. In other words, the walls of the longitudinal slot 24 are not arched outward but straight.
  • the longitudinal slot 24 is how FIGS. 1 and 2 shows, open at its end away from the hook 6 end. He has there an input 25 which is open to the holding sections 11, 12 out. The ends 22, 23 protrude through the entrance 25 into the longitudinal slot.
  • the entrance 25 is preferably arranged at a step.
  • the upper edges 26, 27 of the longitudinal slot 24 defining walls close in a curved arc or as a straight surface at the ends 22, 23 and the arms 20, 21 at. This results in a nearly stepless transition from the region of the needle body 5, which has the longitudinal slot 24, to the ends 22, 23 and the arms 20, 21 of the transfer springs 8, 9.
  • a half-stitch can without interference on this transition from the needle body fifth on the arms 20, 21 of the transfer spring 8, 9 slide.
  • the upper edges 26, 27 go at the entrance 25 in the existing there stage.
  • the ends 22, 23 are guided longitudinally displaceably in the longitudinal slot 24. Together they have a width which is only slightly smaller than the inner width of the longitudinal slot 24.
  • the longitudinal slot 24 may, as FIG. 2 shows, not only at the entrance 25 and at its top but in addition to the hook 6 to be open.
  • the arms 20, 21 may be substantially straight at their top. You can, for example, at the sections 18, 19 in mesh support shoulders 28, 29 pass.
  • FIG. 3 An alternative embodiment for the attachment of the cap springs 7, 8 of the transfer needle 1 is made FIG. 3 seen.
  • the needle body 5 may have its own separate recess 15, 15 'for each cap spring 8, 9.
  • This first recess 15 extends from the large flat side 35 into the needle body 5 and receives the cap spring 9.
  • Other features are identical to those described above, so reference is made to the description above accordingly.
  • the transfer needle 1 described so far operates as follows:
  • the transfer needle 1, the half-stitch 2 record can slide starting from the hook 6 over the needle shaft to the cap springs 8, 9 and are spread by them, for example. They can be found on the mesh support shoulders 28, 29 system and taken over in spread form by another knitting tool, for example, the needle 3.
  • the needle 3 between the transfer spring 8 and the large flat side 35 ( FIG. 4 ) and between the cap spring 9 and the large flat side 36 (FIG. FIG. 2 ) sufficient space is available, in which the needle 3, as shown, parallel to the longitudinal direction L or at an angle to this can pierce.
  • the needle body 5 may be provided with a cut-out 30 to facilitate this operation, which can also receive downwardly directed extensions of the sections 18, 19 when the wrap-around springs 8, 9 are compressed.
  • the transfer needle 1 is reciprocated in the longitudinal direction L in the execution of the knitting operation in a needle bed.
  • the movement is her by the drive foot 10th granted.
  • the needle channel is bounded by two channel walls whose distance from each other is slightly greater than the width of the needle body 5. If the transfer needle 1 is moved so far into the needle channel that the transfer springs 8, 9 enter the intermediate space between the channel walls, the transfer springs 8, 9 are compressed. As a result, the ends 22, 23 are pushed forward in the longitudinal slot 24 of the needle body 5. However, it prevents the ends 22, 23 come into contact with the channel walls of the needle channel.
  • FIG. 5 illustrates a somewhat modified embodiment of the transfer needle 1.
  • the modification is limited to the formation of the longitudinal slot 24, which is why the illustration in FIG. 5 is limited to the corresponding section of the transfer needle 1.
  • the walls bounding the longitudinal slot 24 are provided with an opening 31 which extends transversely to the longitudinal direction L and which can pass into the entrance 25.
  • the ends 22, 23 of the cap springs 8, 9 remain between these prongs 32, 33 held.
  • the outermost tips of the ends 22, 23 may pivot slightly outwardly below the prongs 32, 33 through the opening 31.
  • the cap springs 8, 9 When the cap springs 8, 9 are compressed, the outermost tips of the contacting ends 22, 23 can pivot under the tines 32, 33. As a result, the force necessary for compressing the two springs 8, 9 is reduced.
  • the transfer needle 1 can therefore easier in their Needle channel are introduced. Heavily increased frictional forces between the transfer needle 1 and the walls of the needle channel are avoided.
  • FIG. 6 shows, it is possible to provide the longitudinal slot 24 defining walls with one or more transverse openings 34 which are not in communication with the input 25. Again, allow the one or more transverse openings 34, for example, according to FIG. 6 are formed, a clamping of the tips, the cap springs 8, 9 and it is a special smoothness of the transfer spring 1 in the needle channel allows.
  • FIGS. 7 and 8th illustrate an alternative embodiment with a modified attachment of the cap springs 8, 9.
  • a socket slot 37 is provided which extends in the longitudinal direction of the needle body 5 and upwards, ie away from the needle back, is open.
  • the two holding sections 11, 12 extend into each other into this socket slot 37.
  • a transverse opening 38 passes through the needle body 5, thereby cutting the socket slot 37.
  • the transverse opening 38 can in principle have any shape. For example, it is approximately rectangular or square.
  • the holding portions 11, 12 are provided with feet 39, 40 which extend beyond the bottom of the socket slot 37 down the opening 36 into it.
  • a plastic deformation of the edges of the transverse opening 38 and / or the feet 39, 40 provides a permanent firm connection between the needle body 5 and the retaining springs 8, 9.
  • a welded joint, adhesive bond, solder joint or the like may be provided.
  • this capping spring 8 is at one End held in a preferably lateral pocket or recess of the needle body, while the tip of the Umitatifeder lies in a longitudinal slot of the needle body.
  • This longitudinal slot 24 has an entrance 25 which is open in the longitudinal direction L of the needle body 5. The entrance 25 of the longitudinal slot 24 is located at an end away from the hook 6 end of the longitudinal slot 24th

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Finger-Pressure Massage (AREA)
EP08003528A 2008-02-27 2008-02-27 Umhängenadel mit innen liegender Federspitze Active EP2096200B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP08003528A EP2096200B1 (de) 2008-02-27 2008-02-27 Umhängenadel mit innen liegender Federspitze
US12/379,577 US7836729B2 (en) 2008-02-27 2009-02-25 Transfer needle with internal spring tip
JP2009043733A JP4954229B2 (ja) 2008-02-27 2009-02-26 内部ばね先端を有する目移し針
TW098106064A TWI377275B (en) 2008-02-27 2009-02-26 Transfer needle with internal spring tip
KR1020090016147A KR101027639B1 (ko) 2008-02-27 2009-02-26 내부 스프링 팁을 구비한 트랜스퍼 니들
CN2009100083361A CN101532208B (zh) 2008-02-27 2009-02-26 具有内部弹簧尖端的移圈针

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08003528A EP2096200B1 (de) 2008-02-27 2008-02-27 Umhängenadel mit innen liegender Federspitze

Publications (2)

Publication Number Publication Date
EP2096200A1 EP2096200A1 (de) 2009-09-02
EP2096200B1 true EP2096200B1 (de) 2011-06-08

Family

ID=39272834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08003528A Active EP2096200B1 (de) 2008-02-27 2008-02-27 Umhängenadel mit innen liegender Federspitze

Country Status (6)

Country Link
US (1) US7836729B2 (zh)
EP (1) EP2096200B1 (zh)
JP (1) JP4954229B2 (zh)
KR (1) KR101027639B1 (zh)
CN (1) CN101532208B (zh)
TW (1) TWI377275B (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013105239A1 (de) * 2013-05-22 2014-11-27 Groz-Beckert Kg Schiebernadel
DE102015105648A1 (de) * 2015-04-14 2016-10-20 Groz-Beckert Kg Schieberfeder, Schieber, Schiebernadel, Führungsanordnung und Verfahren zum Herstellen wenigstens einer Schieberfeder
CA3009420A1 (en) 2016-01-11 2017-07-20 Peng YI Endoscopic reposable surgical clip applier
EP3418434B1 (de) * 2017-06-19 2019-05-01 Groz-Beckert KG Maschinenstrickwerkzeug, insbesondere maschinenstricknadel
CN107354575A (zh) * 2017-08-09 2017-11-17 南通市光阳针业有限公司 一种新型移圈织针

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997865A (en) * 1961-08-29 Philip
US885150A (en) * 1906-02-24 1908-04-21 Powell Knitting Company Transferring device for knitting-machines.
GB419601A (en) * 1933-05-11 1934-11-12 Frederick George Coleman Improvements in or relating to knitting needles and knitting machines
US2667770A (en) * 1950-08-23 1954-02-02 Ordnance Gauge Company Transfer needle for knitting machines
FR1407989A (fr) * 1964-09-16 1965-08-06 Aiguille spéciale pour le passage de la maille à côte ou de la maille élastique ou analogue à la maille unie dans un métier de bonneterie rectiligne
ES243765Y (es) * 1979-05-24 1980-04-16 Aguja de transferencia de malla en maquinas de tejidos de punto.
ES256197Y (es) 1981-01-27 1982-04-16 Aguja de transferencia de malla para maquinas de generos de punto
IT8321328V0 (it) * 1983-03-30 1983-03-30 Santoni & C Spa Ago del piatto composito per macchina circolare monocilindrica per calzetteria atta a produrre maglia a costa.
CH664392A5 (de) * 1984-12-18 1988-02-29 Dubied & Cie Sa E Zungennadel fuer maschenuebertragung.
IT1185187B (it) * 1985-07-04 1987-11-04 Mecmor Spa Dispositivo per il passaggio del punto da un ago per la formazione di maglia diritta ad un ago per la formazione di maglia rovescia e viceversa,in una macchina per maglieria e simili
JPS6328957A (ja) * 1986-07-14 1988-02-06 伊藤　暁 目移しジヤツク付き複合針
JPH034744Y2 (zh) * 1987-05-12 1991-02-07
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
JP3310684B2 (ja) 1992-01-28 2002-08-05 ニチコン株式会社 電解コンデンサの電解液
DE19905668C2 (de) * 1999-02-11 2001-01-25 Groz Beckert Kg Umhängenadel zur Maschenübertragung
DE19913822C2 (de) * 1999-03-26 2001-02-22 Groz Beckert Kg Schiebernadel mit geteiltem Schieber
DE10227533C1 (de) * 2002-06-20 2003-12-11 Groz Beckert Kg Nadel mit Umhängefeder
US7908890B2 (en) 2005-11-18 2011-03-22 Santoni S.P.A. Needle for transferring stitches therefrom to adjacent needles for hosiery knitting machines or the like
DE502006006452D1 (de) 2006-08-11 2010-04-29 Groz Beckert Kg Zungennadel für maschenbildende Textilmaschine

Also Published As

Publication number Publication date
US20090211304A1 (en) 2009-08-27
TWI377275B (en) 2012-11-21
KR101027639B1 (ko) 2011-04-07
JP2009215693A (ja) 2009-09-24
KR20090092716A (ko) 2009-09-01
JP4954229B2 (ja) 2012-06-13
US7836729B2 (en) 2010-11-23
CN101532208A (zh) 2009-09-16
EP2096200A1 (de) 2009-09-02
CN101532208B (zh) 2012-02-01
TW201009149A (en) 2010-03-01

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