US1971079A - Flat frame knitting machine - Google Patents

Flat frame knitting machine Download PDF

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Publication number
US1971079A
US1971079A US636602A US63660232A US1971079A US 1971079 A US1971079 A US 1971079A US 636602 A US636602 A US 636602A US 63660232 A US63660232 A US 63660232A US 1971079 A US1971079 A US 1971079A
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US
United States
Prior art keywords
needles
grooves
needle bed
knitting machine
flat frame
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
US636602A
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English (en)
Inventor
Moreu Juan Banus
Moreu Luis Banus
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US1971079A publication Critical patent/US1971079A/en
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
    • D04B35/04—Latch needles
    • 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
    • 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
    • D04B15/32—Cam systems or assemblies for operating knitting instruments
    • D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D04B7/02—Flat-bed knitting machines with independently-movable needles with one set of needles

Definitions

  • An object of the invention is. toincrea'se the output and to improve the quality of the prom ucts oflsuch machines, particularly those for making fine grade fabrics, such as those composed of very fine meshed silk yarn as usually employed for hosiery.
  • the degree of fineness of knitted fabric is determined by the number of stitches or horizontal undulations produced in one single course over a certain width and since for each stitch a needle is indispensable, it follows that a fabric will be the finer the greater the number of needles contained in the needle bed or beds of the frame.
  • the needle beds are accordingly equipped with a large number of needles arranged very close to one another, but these needles are fixed to the bar of the needle bed and hence can only produce one row of stitches for each traverse of the cam. box.
  • fiat frame knitting machines with movable needles such as those provided with vtwo needle beds, one in front of the other, but the needles of these beds move in different planes, generally at an angle or in a different direction and vary the kind of weave, but in all cases the two needle beds are separate and independent.
  • Fig. 1 shows a plane view of a needle bed composed of a metal bar or plate of varying sizes.
  • Fig. 2 is a cross section of Fig. 1.
  • - Fig. 3 is a longitudinal section of Fig. 1.
  • - Fig. 4 is a -detail viewofapair ofineedles.
  • d Fig; 5 is enlarged sectional view of part. of the needle bed.
  • Fig. 6 is a sectional view of a part of a flat frameknitting machine showingn'eedlesin. po sitiondn'theneedle'bed, and associated. operatingcarns. I 5
  • Fig.7 is a'view illustrating the manufacture of three meshes in each traverse of the cam box by the use of the invention.
  • the bed 1 has needle grooves on both sides 4 and 5 whereby the needle bed is enabled to hold double the number of needles, that is to say one set in the grooves of one side and another set in the grooves of the other side, the arrangement being the equivalent of a one-sided needle bed of double the length of that shown for stitches of double the width.
  • the grooves on one side of the plate are arranged in staggered relation to those on the other side, as shown clearly in Fig. 5 so as to uniformly space the needles and prevent their ends from touching one another.
  • the vertical alignment of the needles this is ensured by the shape of the needles, those of one side differing from those of the other as shown in Fig. 4, in which one needle 6 has a straight stem. and inverted end and the other 7 has a bent stem and an ordinary end.
  • These needles are placed alternatingly in the front and rear grooves of the plate, forming a single needle bed along a single line.
  • cams 8, Fig. 6, which are identical in shape and are placed on each side of the plate 1.
  • the cams push the ends of the needles during the stroke of the comb to which they are attached, as shown in Fig. 6.
  • These cams are similar to those in knitting frames and varying numbers may be provided so that at each stroke different stitches will be formed, whereby the output of the frame is increased.
  • Fig. 7 shows the manufacture of three meshes, in each traverse of the cam box.
  • the needle bed plate with double grooves hereinbefore described and shown at 4, 5, in Fig. 1, may consist of a single piece milled on both sides, or of two or more pieces or plates connected together to form a single piece.
  • the arrangement of the double needle bed illustrated differs essentially from all known types in that in the many different flat frame knitting machines with two separate needle beds the latter are arranged in such a manner that their grooved surfaces lie in one plane or in two planes at a more or less obtuse angle, but they are never contained in two parallel planes as in the present invention.
  • the invention comprises a flat frame knitting machine so arranged that on opposite sides of each needle bed of any desired length there is provided a number of parallel vertical grooves or channels of sufiicient width to accommodate needles of difierent shape from one another on opposite sides of the bed, but which, when alternately aligned, have all their pivoted hook ends along the same line and are moved by similar cams on both sides.
  • the arrangement described permits, if desired, of an increase, up to double, in the number of needles contained in each needle bed, without involving any increase in its length and interference of the needle owing to the width of the grooves, all of which is productive of a weave of maximum fineness.
  • the arrangement also permits of the use of differently shaped cams which in each course of the comb determine the production of various stitches simultaneously; hence a considerable increase in output of the machine can be obtained.
  • a needle bed having grooves therein upon opposite parallel sides thereof, needles having straight stems and inverted ends located in the grooves upon one side of said bed and needles having offset stems located in the grooves upon the other side of said bed so that the hook ends of all of said needles will lie in alignment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Knitting Of Fabric (AREA)
US636602A 1931-10-14 1932-10-06 Flat frame knitting machine Expired - Lifetime US1971079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES388336X 1931-10-14

Publications (1)

Publication Number Publication Date
US1971079A true US1971079A (en) 1934-08-21

Family

ID=8245248

Family Applications (1)

Application Number Title Priority Date Filing Date
US636602A Expired - Lifetime US1971079A (en) 1931-10-14 1932-10-06 Flat frame knitting machine

Country Status (5)

Country Link
US (1) US1971079A (enrdf_load_stackoverflow)
BE (1) BE391569A (enrdf_load_stackoverflow)
DE (1) DE611816C (enrdf_load_stackoverflow)
FR (1) FR743934A (enrdf_load_stackoverflow)
GB (1) GB388336A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107109729A (zh) * 2014-12-18 2017-08-29 山德霓股份公司 用于圆形针织机的针保持元件

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918287C (de) * 1952-02-03 1954-09-23 Willy Werner Lenkeit Handstrickapparat
DE1055169B (de) * 1953-06-03 1959-04-16 Ing Heinrich Deimel Handstrickapparat
DE1171105B (de) * 1962-06-09 1964-05-27 Schubert & Salzer Maschinen Zylinder, Platinenring oder Rippscheibe fuer Rundstrickmaschinen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107109729A (zh) * 2014-12-18 2017-08-29 山德霓股份公司 用于圆形针织机的针保持元件
CN107109729B (zh) * 2014-12-18 2020-11-03 山德霓股份公司 用于圆形针织机的针保持元件

Also Published As

Publication number Publication date
GB388336A (en) 1933-02-23
DE611816C (de) 1935-04-06
BE391569A (enrdf_load_stackoverflow) 1900-01-01
FR743934A (enrdf_load_stackoverflow) 1933-04-08

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