WO1989002945A1 - Machine a tricoter rectiligne a compensation des tolerances des aiguilles a tricoter - Google Patents

Machine a tricoter rectiligne a compensation des tolerances des aiguilles a tricoter Download PDF

Info

Publication number
WO1989002945A1
WO1989002945A1 PCT/EP1988/000846 EP8800846W WO8902945A1 WO 1989002945 A1 WO1989002945 A1 WO 1989002945A1 EP 8800846 W EP8800846 W EP 8800846W WO 8902945 A1 WO8902945 A1 WO 8902945A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
knitting needles
knitting
knitting machine
needles
Prior art date
Application number
PCT/EP1988/000846
Other languages
German (de)
English (en)
Inventor
Reinhold; Schimko
Ernst; Niederberger
Original Assignee
Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh
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 Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh filed Critical Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh
Publication of WO1989002945A1 publication Critical patent/WO1989002945A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/10—Needle beds

Definitions

  • the invention relates to a flat knitting machine with needle beds arranged opposite one another and with knitting needles arranged in needle channels of the needle beds, which are held lying above the knitting needles on the needle channel base by means of needle cover rails extending transversely to the needle channels.
  • Each flat knitting machine has more or fewer knitting needles depending on the needle pitch and the working width. These knitting needles, which are used to knit stitches or to transfer stitches, must be properly guided in their needle channels. This is particularly important when putting on fine knitting needles, i.e. with knitting needles, for example, from the fineness E12.
  • the knitting needles must lie on the needle channel base so that selected knitting needles can be threaded with their small needle hooks into stitches submitted for transfer and so that, if the needle head is closed, the stitch to be transferred securely opens the needle tongue of the knitting needle to be taken over.
  • 0.1 mm - can be so large that empty knitting needles, which are supposed to take over stitches, do not lie on the needle channel base, but lie down on the needle cover rail and in this position then no longer take over the stitches with certainty.
  • the invention has for its object to provide a flat knitting machine of the type described above, in which an extensive compensation of manufacturing tolerances of the type mentioned and accordingly a safe, flawless guiding of the knitting needles lying on the needle channel base is possible.
  • spring means are provided under the needle cover rail and over the knitting needles along the needle cover rail.
  • the spring means advantageously consist of a hard spring band on the knitting needles and an elastically resilient steel band arched in profile over the spring band.
  • the knitting needles regardless of different tolerance clearances, are always pressed securely onto the needle channel base and it is possible to transfer stitches perfectly and safely with any fineness of the needles.
  • the resilient steel band completely compensates for tolerance play across the working width by pressing the knitting needles onto the needle channel base.
  • the spring band can expediently be a naturally hard or a hardened spring band.
  • a longitudinal recess in which the spring means are arranged is advantageously provided on the underside of the needle cover rail.
  • the longitudinal recess in the needle cover rail expediently has a substantially U-shaped cross section.
  • Fig. 1 of the drawing shows a partial cross section through a needle bed with spring means according to the invention.
  • the needle bed 1 shown in the drawing has needle channels 2. Knitting needles 4 lying on the needle channel base 3 are arranged in the needle channels 2. Needle hooks 5 together with needle tongues 6 form the needle heads of the knitting needles 4.
  • a needle cover rail 7 Arranged above the knitting needles 4 in the needle bed 1 is a needle cover rail 7 which extends transversely to the needle channels 2 and which holds the knitting needles 4 lying and sliding on the needle channel base 3.
  • a longitudinal recess 8 which is essentially U-shaped in cross section.
  • the needle cover rail lies on the knitting needles 4 with a hardened or naturally hard spring band 9 and, above it, a resilient steel band 10 which is curved in profile, and is shown in FIG. 1 by a dashed line in the relaxed state before installation.
  • the resilient steel band 10 presses all the knitting needles 4 over the entire working width of the knitting needles 4 onto the needle channel base 3 via the spring band 9 and thus equalizes tolerance games that occur over the working width or completely eliminates them.
  • empty knitting needles 4 which are supposed to take over stitches, do not lie on their needle channel base 3, but instead lie on the needle cover rail 7 and then in this position do not take over the stitch provided with certainty.
  • the knitting needles 4 selected for taking over will be able to thread perfectly with their small needle hooks 5 into the stitches submitted for transfer, and if the needle head is closed, the stitch to be transferred will open the needle tongue 6 of the taking over knitting needle 4 safely.

Landscapes

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

Abstract

Une machine à tricoter rectiligne comprend des planches d'aiguilles (1) mutuellement opposées et des aiguilles à tricoter (4) agencées dans des rainures (2) des planches d'aiguilles (1). Les aiguilles à tricoter (4) sont horizontalement maintenues au fond (3) des rainures par des rails couvre-aiguilles (7) transversaux aux rainures (2). Des éléments à ressort (9, 10) sont agencés le long et au-dessus du rail couvre-aiguilles (7), au-dessus des aiguilles à tricoter (4), afin de compenser les tolérances de fabrication et d'assurer un guidage fiable et irréprochable des aiguilles à tricoter (4) maintenues à l'horizontale au fond (3) des rainures.
PCT/EP1988/000846 1987-09-25 1988-09-15 Machine a tricoter rectiligne a compensation des tolerances des aiguilles a tricoter WO1989002945A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873732458 DE3732458A1 (de) 1987-09-25 1987-09-25 Flachstrickmaschine mit toleranzausgleich fuer die stricknadeln
DEP3732458.6 1987-09-25

Publications (1)

Publication Number Publication Date
WO1989002945A1 true WO1989002945A1 (fr) 1989-04-06

Family

ID=6336937

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1988/000846 WO1989002945A1 (fr) 1987-09-25 1988-09-15 Machine a tricoter rectiligne a compensation des tolerances des aiguilles a tricoter

Country Status (3)

Country Link
EP (2) EP0315231A1 (fr)
DE (1) DE3732458A1 (fr)
WO (1) WO1989002945A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB158710A (en) * 1919-11-12 1921-02-14 Johan Ludvig Kihlqvist Improvements in means for retaining the needles of knitting machines in position in their slots
FR591365A (fr) * 1924-11-21 1925-07-03 Dubied & Cie Sa E Fonture, en particulier pour machines à tricoter
DE464458C (de) * 1928-08-17 Reutlinger Strickmaschinenfabr Nadelbett fuer Flachstrickmaschinen
US1726255A (en) * 1929-08-27 Multiple band needle holdinq device for knitting machines
FR1224004A (fr) * 1953-12-04 1960-06-21 Perfectionnement apporté aux machines à tricoter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1635975B1 (de) * 1968-03-05 1971-07-08 Schieber Universal Maschf flachstrickmaschine mit Nadelbremse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE464458C (de) * 1928-08-17 Reutlinger Strickmaschinenfabr Nadelbett fuer Flachstrickmaschinen
US1726255A (en) * 1929-08-27 Multiple band needle holdinq device for knitting machines
GB158710A (en) * 1919-11-12 1921-02-14 Johan Ludvig Kihlqvist Improvements in means for retaining the needles of knitting machines in position in their slots
FR591365A (fr) * 1924-11-21 1925-07-03 Dubied & Cie Sa E Fonture, en particulier pour machines à tricoter
FR1224004A (fr) * 1953-12-04 1960-06-21 Perfectionnement apporté aux machines à tricoter

Also Published As

Publication number Publication date
EP0395650A1 (fr) 1990-11-07
EP0315231A1 (fr) 1989-05-10
DE3732458C2 (fr) 1989-07-27
DE3732458A1 (de) 1989-04-13

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