US3307376A - Knitting machine - Google Patents

Knitting machine Download PDF

Info

Publication number
US3307376A
US3307376A US285323A US28532363A US3307376A US 3307376 A US3307376 A US 3307376A US 285323 A US285323 A US 285323A US 28532363 A US28532363 A US 28532363A US 3307376 A US3307376 A US 3307376A
Authority
US
United States
Prior art keywords
needle
bed
needles
transfer
knitting
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
US285323A
Other languages
English (en)
Inventor
Seiler Fritz
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.)
Edouard Dubied et Cie SA
Original Assignee
Edouard Dubied et Cie SA
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 Edouard Dubied et Cie SA filed Critical Edouard Dubied et Cie SA
Application granted granted Critical
Publication of US3307376A publication Critical patent/US3307376A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D04B7/24—Flat-bed knitting machines with independently-movable needles for producing patterned fabrics
    • D04B7/28—Flat-bed knitting machines with independently-movable needles for producing patterned fabrics with stitch patterns
    • 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
    • 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

Definitions

  • the invention relates to fiat knitting machines having needle beds forming a V, in which in known manner a multiplicity of straight parallel transverse grooves for accommodating and guiding latch needles are milled, these needles being so shaped and disposed as to permit normal knitting as well as the transfer of loops immediately from one needle to the other in the same stroke of the carriage.
  • a further feature marking a difference between the known stitch transfer methods is the additional fact that in one of them one of the two needle beds has to be displaced by half a needle gauge, while the other proceeds without this auxiliary measure.
  • the second category will be taken into account, as no offsetting or displacement is necessary for the stitch transfer which will be described below.
  • the appropriate specially formed transfer needles can be divided again into two main groups; those with stitch spreading members (springs, wires, loops, etc.,) arranged laterally to the needle stem and those with recesses provided unilaterally in the stem.
  • stitch spreading members springs, wires, loops, etc.,
  • the first group the stitch loop to be transferred is spread out by the spreadin-g member so that the transfer needle can pass through it (between the stem of the needle and the spreading member), while in the second the head of the receiving needle is applied against the transfer needle and so is able to slide as the latter rises in its lateral recess and simultaneously there-by into the stitch loop stretched obliquely above.
  • This second system is taken as a basis for the transfer process in the knitting machine in accordance with the invention.
  • One proposal envisages providing the known transfer needles with lateral spreading springs, by which the loops to be transferred are opened and simultaneously brought into a favourably inclined position for inserting the opposite transfer needle.
  • the said transfer needles are arranged symmetrically to the axis of symmetry of the article to be knitted, and also to the transverse centre line of the needle bed, that is to say one half of the needle bed contains needles with right hand spreader springs and the other with left hand spreader springs.
  • the needles in order to obtain satisfactory l/ 1 ribbed goods or fabrics the needles must be accurately placed in relation to the gaps in the opposed needles, and the needle grooves are therefore milled in, in the usual manner uniformly spaced over the whole bed length.
  • the normal needle beds are again fitted with spreader spring transfer needles, but in a completely uniform distribution over the whole bed length, that is to say without symmetry in relation to their center line.
  • the lateral projection of the spreader spring is here restricted to the unavoidable minimum, so that while on the one hand admittedly narrow needle grooves and hence strong needle bed webs are obtained, on the other hand however, it becomes necessary to offset the bed of the transfer needles in known manner by about half the gauge of the needles, in order to ensure insertion in the only slightly opened loops.
  • This racking results in a one-sided distrubance of the normal crossing so that it may happen that the ribbed article continuously knitted with the taken-up pattern will likewise be distorted one-sidedly.
  • the object of the invention is to avoid the disadvantages of the hitherto known constructions.
  • -It relates to a knitting machine, in particular a flat knitting machine, with two opposed needle beds inclined in relation to one another in the shape of a V, in which in known manner a multiplicity of straight parallel transverse grooves for receiving and guiding latch needles are milled, in which connection however, differently from the usual uniform pitch over the whole bed length, one groove lies accurately in the centre of the needle bed and the two directly adjacent grooves to right and left are at a distance of only half the needle gauge, while all the other grooves on either side adjacent outwardly have the full normal gauge so that the grooves in one bed located opposite the spaces between the grooves of the other bed.
  • the middle groove is fitted with an ordinary straight knitting needle while in all the other grooves special knittingtransfer needles bent laterally by half the needle gauge are inserted in such a way that the lateral bending of the front needle stem extends right and left of the straight central needle continuously from its path, thus producing a completely mirror-like arrangement of the needles in relation to the bed centre, with absolutely uniform spacing of the needle hooks with correct normal crossing.
  • the lower straight front part before the bend, containing the hook and latch of the needle stem serves in this connection for the usual loop-forming process, while the upper, also straight central path of the needle body has beyond the bend the known lateral recess for the insertion of the transfer needle during the loop take-up.
  • the hooks on the front straight needle stems in one needle bed are located in this connection, because of the said lateral bending, accurately opposite the upper straight needle bodies in the other needle bed, so that for the stitch transfer process known per se no 1/2 racking is necessary. It is thus possible to produce in the same stroke of the carriage both completely uniform rib knitting and also transfer patter and/ or narrowings or reductions in the width.
  • the knitting machine needles with lateral bending of the needle stem are already known per se but this bending has the duty of bringing the loop to be transferred into such a lateral oblique position that the opposite takeoff needle can easily pass through it.
  • the top-arm of the bend has here an essential function within the framework of the transfer process, while as will appear more clearly in the following description, it represents in the subject matter of the invention only the natural connecting member of the two straight needle stern parts displaced laterally in relation to one another.
  • FIGURE 1 is a section through two needle beds mounted on the machine frame, along the line II of FIGURE 2.
  • FIGURE 2 is a plan view rotated into the plane of the drawing of the two needle beds along the lines IIII of FIGURE 1.
  • FIGURE 3 is a side elevation of the front half of a knitting transfer needle.
  • FIGURE 3A is a cross-section of FIGURE 3 taken along line 3a3a thereof.
  • FIGURE 3B is a cross-section of FIGURE 3 taken along line 3b3b thereof.
  • FIGURE 4 is a plan view of the same needle.
  • FIGURE 5 is a part cross-section through the two needle beds with two needles in the uppermost knitting position.
  • FIGURE 6 is a similar section with the right hand needle in the highest ejection position for casting off the stitch and the left hand needle in the insertion position for the stitch transfer.
  • FIGURE 7 shows the hook of a take-over needle approaching the groove in a delivery needle, at the beginning of the stitch transfer.
  • FIGURE 8 shows the hook partly located in the groove.
  • FIGURE 9 shows the hook partly inserted in the loop.
  • FIGURE 10 shows the hook nearly completely inserted in the loop.
  • FIGURE 11 shows the hook as it begins to descend
  • FIGURE 12 shows the loop in the hook.
  • FIGURE 1 the two needle beds 1 and 2 of a V-bed flat knitting machine form an included angle between them of about This reciprocal position is maintained by a suitably constructed needle bed carrier, principally consisting of two angle cross-members 3, and 4, and end face walls 5 and 6 at the two machine ends.
  • a needle bed carrier principally consisting of two angle cross-members 3, and 4, and end face walls 5 and 6 at the two machine ends.
  • the needle beds 1 and 2 are milled in known manner a multiplicity of straight, parallel needle grooves 7 and 8, the depth of which in different cases can vary over their length as shown in 7, 7", 8', 8", according to the space requirements of the knitting and needle entrainment de vices accommodated therein.
  • the groove base is completely rectilinear and parallel to the needle bed surface.
  • these comb webs are located in the opposed needle beds exactly in relation to the gaps and in 1/1 gauge with the exception of the two webs 21' to the right and left of the central straight knitting needles which have a narrower spacing.
  • a knitting machine fitted with the above described needle beds and needles operates as follows: different reciprocating movements in the longitudinal direction of the grooves are imparted in the conventional manner to the needles by the reciprocating motion of a carriage (not shown) over the needle beds by means of suitably arranged cams which act on the need-1e or push-rod feet. Each to or fro movement of the carriage constitutes a stroke.
  • the normal original position (comb level) is shown in FIGURE 1, FIGURE 5 then shows the uppermost needle position during the normal knit-ting (loopforming) process. It can be seen from this that here in the two needle beds only the straight front part T of the needle stem is involved, while the oblique bending and the high central part R remain inoperative inside the needle bed. In this connection the needle crossing is effected over the whole length of the bed in a completely regular reciprocal needle spacing producing equal armed loop fillets.
  • FIGURE 6 which relates to the stitch transfer from the needle bed 2 to the needle bed 1 is generally directed to explaining the basically known stitch transfer process.
  • the delivery needle 23 is accordingly shown in its extreme ejection position in which the central part R of the needle stem has been brought into the working zone of the opposite take-over needle 22, in such a way that it projects by about of its length beyond the knocking over comb. Because of the lateral displacement of this central part R in relation to the front part T the hook of the needle 22 is located accurately in relation to the centre of the stem part R of the needle 23, so that the said hook can travel safely into the lower and laterally open recess 23g without a preparatory needle bed racking being necessary. The most important phases of the stitch transfer process are then illustrated on a larger scale by FIGURES 7 to 12.
  • FIGURE 7 shows the instant in which the hook of the take-over needle enters the widening 23 of the groove 23c on the underside of the delivery needle 23 in order to act as an additional stripper member of the loop M hanging on these two needles, that is to say to move the latter during the further rise of the needle 23 in support of the tensile stress produced by the drawing-off of the article towards the angular indent 23h.
  • FIGURE 8 can be seen the definite end position of this displacement process, in which the hook of the needle 22 has already penetrated to a certain extent in the groove 23:: and the loop M begins to assume an oblique position in relation to the stem of the needle 23.
  • the hook of the needle 22 completes the insertion in the loop M, projecting with safety a little beyond this.
  • the needle 23 begins its return descent, during which as shown in FIGURE 11 the hook of the needle 22 which has completely penetrated into the lateral aperture 22g is forced out of this aperture with a predominantly somewhat stronger bending over, so that it is applied against the corresponding outer side of the stem of the needle 23.
  • a straight transverse centra-l groove in the center of each needle bed in the center of each needle bed, the central groove of one bed being laterally offset from that of the other; a first transverse groove on each side of the central groove of each bed, parallel thereto and spaced therefrom by one-half the needle gauge; and a.
  • a knitting machine including a straight knitting needle located in each central groove of each bed; and located in each of said first grooves of each bed and each of said plurality of grooves of each bed a knitting-transfer needle having first and second straight and parallel portions laterally olfset by one-half of a needle gauge and a bent portion intermediate the ends of the needle for connecting together said first and second portions.
  • a knitting machine wherein said bent portions of the knitting-transfer needles located on one side of a central groove are all bent in the same direction in the plane of the bed and those bent portions of the knitting-transfer needles located on the other side of the same central groove are all bent in the opposite direction in the plane of the bed.
  • a knitting machine wherein said first portion of a knitting-transfer needle contains a latch and terminates in a hook :and serves in the loop forming process; and said second portion contains a lateral recess for insertion therein of a receiving needle during a loop transfer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
US285323A 1962-06-08 1963-06-04 Knitting machine Expired - Lifetime US3307376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0039114 1962-06-08

Publications (1)

Publication Number Publication Date
US3307376A true US3307376A (en) 1967-03-07

Family

ID=7044542

Family Applications (1)

Application Number Title Priority Date Filing Date
US285323A Expired - Lifetime US3307376A (en) 1962-06-08 1963-06-04 Knitting machine

Country Status (4)

Country Link
US (1) US3307376A (fr)
CH (1) CH409215A (fr)
DE (1) DE1560996B1 (fr)
GB (1) GB1028043A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3498084A (en) * 1966-11-25 1970-03-03 Stoll & Co H Knitting machine
US4398401A (en) * 1980-04-03 1983-08-16 Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co. Kg Straight knitting machine
US6158250A (en) * 2000-02-14 2000-12-12 Novacept Flat-bed knitting machine and method of knitting
US20230323580A1 (en) * 2021-03-24 2023-10-12 Saundria Davis Sewing and knitting needle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761749A (en) * 1980-10-02 1982-04-14 Brother Ind Ltd Knitted mesh transfer apparatus in interlock type hand knitting machine
DE19905668C2 (de) * 1999-02-11 2001-01-25 Groz Beckert Kg Umhängenadel zur Maschenübertragung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US410858A (en) * 1889-09-10 Half to louis n
GB190327730A (en) * 1903-12-17 1904-02-04 William Forman Improvements in Knitting Machines.
US2521786A (en) * 1949-04-09 1950-09-12 Granov Walter Knitting machine
US3115760A (en) * 1960-08-23 1963-12-31 Ralph C Powell Method and machine for knitting seamless gloves

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE93548C (fr) *
DE680319C (de) * 1935-08-13 1939-08-26 Elite Diamantwerke Akt Ges Verfahren, Flachstrickmaschine und Nadel zur Herstellung von Strickware mit uebergehaengten Maschen
DE692981C (de) * 1938-05-12 1940-06-29 Dubied & Cie Sa E Verfahren zum UEberhaengen von Maschen auf der Flachstrickmaschine und Flachstrickmaschine sowie Nadel zur Ausfuehrung dieses Verfahrens
GB686333A (en) * 1950-06-15 1953-01-21 Walter Granov Improvements in knitting machines
FR1222011A (fr) * 1958-03-15 1960-06-07 Universal Maschinenfabrik G M Dispositif applicable aux machines à tricoter pour le rebroussage de mailles
DE1149848B (de) * 1958-03-15 1963-06-06 Schieber Universal Maschf Flachstrickmaschine mit einer Vorrichtung zum UEbertragen von Maschen
DE1148035B (de) * 1960-02-23 1963-05-02 Dubied & Cie Sa E Strickmaschine, insbesondere Flachstrickmaschine, zur Herstellung von Warenstuecken mit geminderten Breiten sowie mit Durchbruchmusterungen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US410858A (en) * 1889-09-10 Half to louis n
GB190327730A (en) * 1903-12-17 1904-02-04 William Forman Improvements in Knitting Machines.
US2521786A (en) * 1949-04-09 1950-09-12 Granov Walter Knitting machine
US3115760A (en) * 1960-08-23 1963-12-31 Ralph C Powell Method and machine for knitting seamless gloves

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3498084A (en) * 1966-11-25 1970-03-03 Stoll & Co H Knitting machine
US4398401A (en) * 1980-04-03 1983-08-16 Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co. Kg Straight knitting machine
US6158250A (en) * 2000-02-14 2000-12-12 Novacept Flat-bed knitting machine and method of knitting
US20230323580A1 (en) * 2021-03-24 2023-10-12 Saundria Davis Sewing and knitting needle
US12325941B2 (en) * 2021-03-24 2025-06-10 Saundria Davis Sewing and knitting needle

Also Published As

Publication number Publication date
DE1560996B1 (de) 1970-11-19
GB1028043A (en) 1966-05-04
CH409215A (fr) 1966-03-15

Similar Documents

Publication Publication Date Title
JPS587740B2 (ja) 伸縮性の編地
JPH0748766A (ja) 経編機とこれを用いたパイル製品の製造方法およびこれによって製造されるパイル製品
US2339153A (en) Warp knitting machine
CN1045824A (zh) 带绒头经编织物的制造方法及其所用经编机
US4986091A (en) Process and warp knitting machine for the production of pile ware
US3314251A (en) Elastic fabric
KR20030090671A (ko) 편직기를 위한 장치
US4233824A (en) Warp knitting of double jacquard-patterned pile fabric
US3512378A (en) Lace-knitting machine
SU1291629A1 (ru) Способ изготовлени ворсового трикотажа и основов зальна машина дл осуществлени способа
JP6416341B2 (ja) 経編生地を製造するための経編機及び製造方法
US3006172A (en) Flat warp knitting machines
US4389860A (en) Warp knitting machine for the production of jacquard-patterned pile-knit fabrics
JPS641577B2 (fr)
US2972242A (en) Knitting machine
US3381502A (en) Fabric constructions
US2960854A (en) Knitting machine
CN211057361U (zh) 一种双针筒织机成圈机构
US3360964A (en) Warp-knitting machine and warp knitting made thereby
US1501857A (en) Braid-knitting machine
US3410113A (en) Knitting machine having a chopper bar controlling mechanism
US3331218A (en) Knitting machine having laterally deflectable needles
US3066511A (en) Method of knitting
US3171271A (en) Warp knitting
US4628711A (en) Process for manufacturing a patterned warp-knitted material and a warp knitting machine for its use