US3472048A - Knitting machine apparatus for producing tubular fabric without a helical bias - Google Patents

Knitting machine apparatus for producing tubular fabric without a helical bias Download PDF

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Publication number
US3472048A
US3472048A US700785A US3472048DA US3472048A US 3472048 A US3472048 A US 3472048A US 700785 A US700785 A US 700785A US 3472048D A US3472048D A US 3472048DA US 3472048 A US3472048 A US 3472048A
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United States
Prior art keywords
fabric
edges
knitting machine
machine
tubular
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Expired - Lifetime
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US700785A
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English (en)
Inventor
Ronald Shaw
Thomas J Thore
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.)
MONARCH MANUFACTURING CORP
Singer Co
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Singer Co
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Assigned to MONARCH MANUFACTURING CORP. reassignment MONARCH MANUFACTURING CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: VANGUARD SUPREME MACHINE CORPORATION, A NC CORP.
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    • 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
    • D04B35/34—Devices for cutting knitted fabrics

Definitions

  • the present invention completely obviates the need for apparatuses as disclosed in the above mentioned U.S. Patents Nos. 2,467,281 and 2,737,700, in that bolts of tubular knit cloth may now be taken directly off of knitting machine, and in that such bolts of cloth will not have helical dispositions or biases.
  • the invention provides, in a circular knitting machine, for means for slitting the just-knit tubular fabric walewise thereof prior to its takeup.
  • such slitting means is in the nature of a pair of scissors, operation of which is derived from the knitting machine.
  • the justslit fabric especially apparent in the blatant case of striped cloth, has a leading edge and a trailing edge, a given course beginning at the leading edge and ending, walewise later, at the trailing edge.
  • the invention to provide a relative shift between the leading and trailing fabric edges, whereby such edges may be brought into registry while such fabric is still on the knitting machine.
  • a fabric lag is so built into the knitting machine in question that the leading face of the slit fabric is caused to move through an extended path compared with that of the trailing face; and to this end linearly and angularly adjustable pin rollers with helically disposed pins, i.e.
  • temple rollers have proved quite successful for providing the necessary lag and for laterally shifting the fabric edges.
  • the slit fabric is then fed so that such edges are brought beneath the presser foot of a sewing machine, preferably of the chain stitch type, whereby they may be sewn together to reform the fabric into tubular cloth as is handy for the above referred fabrication of garments.
  • the sewing machine is equipped to trim the registered edges of fabric prior to the sewing operation, whereby the line of stitches will always be neatly a discrete distance in from the rejoined edges.
  • the sewing machine is driven by means of the knitting machine drive through a slip clutch, i.e.
  • a principle objects of the invention is to provide improved circular knitting machine apparatus.
  • Another object of the invention is to provide a multifeed knitting machine apparatus for producing tubular knit fabric without a helical bias therein.
  • Another object of the invention is to provide circular shifting the slit edges thereof into registration, and for lar fabric produced by said apparatus, for relatively shifting the slit edges thereof into registration, and for rejoining said shifted edges to reform said tubular fabric.
  • Another object of the invention is to provide circular knitting machine apparatus adapted for slitting the tubular fabric produced by said apparatus, for relatively shifting the slit edges thereof into registration, and for rejoining said shifted edges to reform said tubular fabric by means of a sewing machine equipped with a fabric trimmer.
  • Another object of the invention is to provide circular knitting machine apparatus adapted for slitting the tubular fabric produced by said apparatus along a Wale, or wales, defined in cooperation with the fabric spreader for the takeup of said circular knitting machine apparatus.
  • FIG. 1 is a perspective View illustrating a circular knitting machine incorporating the invention.
  • FIG. 2 is a perspective view illustrating the manner in which tubular fabric is slit walewise in accordance with a presently preferred form of the invention.
  • FIG.I 3 is a perspective view illustrating the way in which the edges of slit, helically disposed fabric may be shifted into registry, and reformed into tubular form by means of a sewing operation.
  • FIG. 1 is known to the knitting trade as the Ml machine, being a rotary multifeed jersey machine that, for example, has been set up with groupings of successive yarn feeds that knit with respective kinds of yarns, whereby tubular fabric 12 having a helical disposition thereto, say of stripes, is produced.
  • the knitting machine has conventional fabric takeup apparatus employing support arms 14 that secure to and are rotatable with the cylinder of such machine.
  • the takeup support arms 14, which angularly extend outwardly from the axis of the machine, in turn, secure to respective vertically disposed legs 16.
  • a gear 20 Situated below the takeup apparatus and secured to leg spokes 18 in stationary relationship to the cylinder of the machine is a gear 20, a rotary cover 22 being provided therefor through which a shaft 24 extends, via an opening therein, not specically indicated.
  • the shaft 24 is provided, at its end near the machine axis, with a gear 26 fixed thereto, which gear Ais adapted to mesh with the gear and at its other end, the shaft 24 is supported for rotation in, but extends through, the leg 16.
  • the gear 26 walks about the stationary gear 20, causing the shaft 24 to rotate.
  • a gear 28 is held fast on the part of the shaft 24 that extends through the leg 16, being coupled by means of a chain link 30 to drive a shaft 32--rotatably supported in the leg 16-which serves as the main drive for the fabric takeup.
  • the takeup need take no special form in order to practice the invention, and for greater detail of takeup apparatus of the type indicated in FIG. 1, reference should be had to U.S. Patent No. 3,222,889, issued Dec. 14, 1965 and assigned to the instant assignee.
  • the takeup main drive shaft 32 operates to roll up the fabric 12 into a bolt 36, such shaft 32 having secured thereto a pulley 34 that couples by means of a belt 38 to operate a pulley-and-gear drive for rotating the fabric feed rollers 42 in the manner indicated in U.S. Patent No. 3,222,889.
  • the takeup leg 16 is formed with a rigid flat support 44, having an aperture 45, such support 44 having secured thereto a rigid face member 46.
  • a sewing machine, indicated generally at 48, is secured to the face member 46, and is threaded by means of thread 47.
  • the sewing machine 48 is of conventional chain stitch design, and may take a variety of forms, e.g. a machine known as the 240K12 machine, manufactured by the instant assignee, has already been employed in one embodiment of the present invention.
  • such fabric As the fabric 12 is knit by the knitting machine of FIG. 1, such fabric, as is conventional, is stretched over spreader arms, shown generally in dotted lines 50, that suspend from the needle cylinder and are rotatable therewith, the knitted fabric 12 passing over the spreader arms 50 as such fabric passes from the needle cylinder to the bolt 36.
  • Such orientation of the blade 52 is to assure against snagging the knitted fabric, and from passing into whatever cloth holes are formed during knitting, say as a result of a press off.
  • the blade 52 xedly secures to the face member 46 at a shoulder thereof, and cooperates with a movable blade 56 that is truncated for reasons of safety.
  • the movable blade 56 couples to a rocker arm 58 that pivotally mounts to the face member 46 at a pivot 60, being generally U- shaped and operated in a manner which will be described presently.
  • Operation of the sewing machine 48, and of the scissor blade 56, is derived from a shaft 66 that is rotated via a belt 64 driven by means of a pulley 63 supported for rotation with the pulley 34.
  • the sewing machine drive shaft 66 which extends through the aperture 45 in the fiat support 44, xedly supports a pulley 68 and an eccentric 70. Rotation of the shaft 66 causes a second eccentric 72 to position its strap 74 so as to rock a needle bar drive arm 76 to operate the needle bar 78 of the sewing machine.
  • the pulley 63 is mounted on the shaft 32 by means of a sprag 199.
  • the pulley 63 is rotated, in the direction of the arrow indicated on such pulley, to operate the sewing machine 48; however, by grabbing the belt 64, and by turning same in the direction of the arrow on the belt, the shaft 32 remains stationery, and only the sewing machine drive shaft 66 is rotated.
  • a rocker arm 90 Pivotally secured to the at support 44, at a point 89 is a rocker arm 90 that is adapted .to ride atop the peripheral edge ofthe eccentric 70.
  • the rocker arm 90 has a link 92 pivotally secured thereto, which in turn, pivotally connects to the rocker arm 58 to operate the truncated scissor blade 56.
  • the scissor blade rocker arm 58 is pivoted about its pivot 60 in bell-crank fashion, thereby to cut the fabric that is guided along the scissor blade 52, producing what will hereinafter be referred to as the leading fabric edge 53, and a trailing fabric edge S5.
  • a roller support plate 94 secures to the takeup support arms 14 by means of screws 96, and such plate 94 lixedly mounts rollers 98, 100.
  • the rollers 98 which are 4 inch long temple rollers, are freely rotatable about their longitudinal axis, and are provided with systems of helically arranged pins that are pointed in the directions of their respective helices. These rollers 98, 100 are driven by the outside face of the fabric 12 proximate the leading fabric edge 53, and serve to shift such fabric edge toward the takeup leg 16.
  • a temple roller 102 xedly mounted to the face member 46, is driven by the outside face of the fabric 12 proximate the trailing fabric edge 55, and such roller 102 serves to shift the trailing fabric edge 55 toward the takeup leg 16.
  • Linearly and angularly positional temple rollers 106 are designed respectively to vary the lag that may be provided to the leading fabric edge 53, and to vary the lateral shift that may be imparted to the fabric edge 53 to -move same relative to the fabric edge 55.
  • the rollers 106 secure by means of a screw 10S-andflange 110 combination to a keyed shaft 112.
  • the key 114 of the shaft 112 is accommodated in a keyway cutout 116 in a guide disc 117 that is secured to the support plate 94 by means of screws 118.
  • the screws 118 extend through arcuate adjustment apertures 120, and the guide disc 117 covers an aperture 122 in the plate 94, the aperture 122 being suicient to permit rotation of the shaft 112 therein.
  • the keyed shaft 112 is biased in the direction of the face member 46 by means of a spring 124, and abuts against one end of a threaded adjustment shaft 126.
  • the threaded shaft 126 resides in a threaded collar 128 secured to the face member 46; and such adjustment shaft is provided with a turn knob 130. Since the temple rollers 106 operate on the inside face of the leading fabric edge 53, whereas the temple rollers 98 and 10() ⁇ operate on the outside face of such edge 53, their respective helices are oppositely disposed, as shown.
  • the turn knob 130 is adjusted as required. This causes the rollers 106 to move parallel to the axis of the keyed shaft 112, and causes the path through which the leading fabric edge 53 moves to vary accordingly. With the extended path so set that the leading (53) and trailing (55) edges are brought into registry as they feed under the roller 100, the ends, for example, of a given stripe in such fabric 12 are caused to overlay each other.
  • the rollers 106 may be adjusta'bly skewed relative to the direction of fabric feed. By loosening the screws 118, and by cocking the rollers 106 at some certain angle (thereafter tightening the screws 118), more or less bite may be taken of the fabric leading edge 53 by the helically arranged pins of the rollers 106, whereby more or less lateral shift may ⁇ be imparted to such leading edge.
  • the reciprocating knife 84-in well known manner retracts a small portion of fabric to assure that the line of sewn stitches 152 is a precise distance in from the edge of the reformed tubular fabric.
  • a roller 154 supported for rotation on au axle 156 to which a pulley 158 iixedly mounts, is adapted to take up the trim waste 150 that is found at the sewing machine 48, and such roller 154 is driven in unison with the knitting machine by means of the pulley belt 64.
  • a knitting apparatus comprising:
  • takeup means adapted to receive said reformed tubular fabric for keeping said fabric under tension from said knitting head to said takeup means.
  • the apparatus of claim 1 including means for laterally shifting the edges of said slit fabric relative to each other, whereby said edges may be brought into overlaying alignment.
  • said means for shifting the edges of said slit fabric is means disposed between said edges, said means being adapted for extending the path through which one of said edges moves relative to the path through which said other edge moves.
  • said means for relatively shifting the edges of said slit fabric is a pin roller over which one of said edges moves, said pin roller having pins so helically disposed thereon as to cause the edge in contact therewith to move radially away from the axis of said knitting apparatus.
  • said knitting apparatus includes means for spreading said fabric, said means being situated at a point of said apparatus that is prior to said means for slitting said fabric in the direction of fabric feed, and wherein said means for slitting said fabric includes at least one member that is extended sufficiently close to the axis of said knitting apparatus that fabric issuing off said fabric spreading means may be drawn along said extended member.
  • said sewing machine is of the chain stitch type, wherein said knitting apparatus includes slip clutch means, and wherein the drive of said sewing machine is coupled to and operated in conjunction with the operation of said knitting apparatus through said slip clutch means, whereby the drive of said sewing machine may be turned over independently of the operation of said knitting apparatus.
  • said sewing machine is of the type including a fabric trimmer disposed prior to the presser foot of said sewing machine in the direction of fabric feed, and wherein said knitting apparatus mounts means for taking up the trimmings formed by said sewing machine trimmer.
  • shifting means disposed between said slitting means and said takeup apparatus, for use in shifting the edges of said fabric so that said leading and trailing wales may be brought coursewise into registry
  • shifting means is further adapted for relatively shifting said fabric edges walewise into overlaying registry.
  • Apparatus for use between the needle bed and takeup of a knitting machine comprising:

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Knitting Machines (AREA)
US700785A 1968-01-26 1968-01-26 Knitting machine apparatus for producing tubular fabric without a helical bias Expired - Lifetime US3472048A (en)

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US70078568A 1968-01-26 1968-01-26

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US (1) US3472048A (es)
DE (2) DE1903527A1 (es)
ES (1) ES362927A1 (es)
FR (1) FR2000796A1 (es)
GB (1) GB1208992A (es)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855822A (en) * 1972-03-24 1974-12-24 Burlington Industries Inc Circular knitting machine takeup with a slitting device
US4079600A (en) * 1975-05-24 1978-03-21 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Method and apparatus for doffing fabric rolls from a circular knitting machine
US4121439A (en) * 1975-06-16 1978-10-24 Wildt, Mellor Bromley Limited Knitting machines
US4517712A (en) * 1982-03-15 1985-05-21 Samcoe Holding Corporation Method for automatically detecting and orienting the edge of a tubular knitted fabric
US4624036A (en) * 1982-03-15 1986-11-25 Samcoe Holding Corporation Automatic orientation guide for tubular knitted fabric
US5060587A (en) * 1987-06-25 1991-10-29 Biesinger Peter J Method and apparatus for changing the spiral stitch path in a tubular fabric
US7093466B1 (en) * 2005-06-02 2006-08-22 Pai Lung Machinery Mill Co., Ltd. High-speed high-stand fabric take-up device with uniform fabric tautness arrangement
US20160031113A1 (en) * 2013-03-11 2016-02-04 Windmöller & Hölscher Kg Device for separating a tubular web

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2661925B1 (fr) * 1990-05-10 1993-07-02 Legay Alain Methode de stockage d'un tricot sortant d'un metier circulaire a tricoter et metier pour la mise en óoeuvre de la methode.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US770633A (en) * 1904-09-20 Fabric-slitting device for knitting-machines
US790770A (en) * 1903-09-05 1905-05-23 Frank B Wildman Cutting and winding mechanism for knitted fabrics.
US790492A (en) * 1905-01-16 1905-05-23 Joseph A Firsching Method of producing tubular fabric.
US1188125A (en) * 1915-08-06 1916-06-20 Louis N D Williams Stitch transferring and uniting device.
US2467281A (en) * 1947-04-10 1949-04-12 Samcee Holding Corp Method of and apparatus for handling tubular knitted fabric
US2737700A (en) * 1952-02-19 1956-03-13 Tubular Textile Machine Corp Stripe matching machine
GB865092A (en) * 1957-03-15 1961-04-12 Rund Und Flachstrickmaschb Kar Method of and apparatus for the manufacture of hosiery on circular knitting machines
US3430589A (en) * 1966-03-25 1969-03-04 Financ & Auxiliaire Du Textile Machine for aligning stripes of fabrics woven on circular looms

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US770633A (en) * 1904-09-20 Fabric-slitting device for knitting-machines
US790770A (en) * 1903-09-05 1905-05-23 Frank B Wildman Cutting and winding mechanism for knitted fabrics.
US790492A (en) * 1905-01-16 1905-05-23 Joseph A Firsching Method of producing tubular fabric.
US1188125A (en) * 1915-08-06 1916-06-20 Louis N D Williams Stitch transferring and uniting device.
US2467281A (en) * 1947-04-10 1949-04-12 Samcee Holding Corp Method of and apparatus for handling tubular knitted fabric
US2737700A (en) * 1952-02-19 1956-03-13 Tubular Textile Machine Corp Stripe matching machine
GB865092A (en) * 1957-03-15 1961-04-12 Rund Und Flachstrickmaschb Kar Method of and apparatus for the manufacture of hosiery on circular knitting machines
US3430589A (en) * 1966-03-25 1969-03-04 Financ & Auxiliaire Du Textile Machine for aligning stripes of fabrics woven on circular looms

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855822A (en) * 1972-03-24 1974-12-24 Burlington Industries Inc Circular knitting machine takeup with a slitting device
US4079600A (en) * 1975-05-24 1978-03-21 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Method and apparatus for doffing fabric rolls from a circular knitting machine
US4121439A (en) * 1975-06-16 1978-10-24 Wildt, Mellor Bromley Limited Knitting machines
US4517712A (en) * 1982-03-15 1985-05-21 Samcoe Holding Corporation Method for automatically detecting and orienting the edge of a tubular knitted fabric
US4624036A (en) * 1982-03-15 1986-11-25 Samcoe Holding Corporation Automatic orientation guide for tubular knitted fabric
US5060587A (en) * 1987-06-25 1991-10-29 Biesinger Peter J Method and apparatus for changing the spiral stitch path in a tubular fabric
US7093466B1 (en) * 2005-06-02 2006-08-22 Pai Lung Machinery Mill Co., Ltd. High-speed high-stand fabric take-up device with uniform fabric tautness arrangement
US20160031113A1 (en) * 2013-03-11 2016-02-04 Windmöller & Hölscher Kg Device for separating a tubular web
US10882204B2 (en) * 2013-03-11 2021-01-05 Windmöller & Hölscher Kg Device for separating a tubular web

Also Published As

Publication number Publication date
DE6902723U (de) 1969-07-31
GB1208992A (en) 1970-10-14
DE1903527A1 (de) 1970-01-29
FR2000796A1 (es) 1969-09-12
ES362927A1 (es) 1970-11-16

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AS Assignment

Owner name: MONARCH MANUFACTURING CORP., NEW YORK

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VANGUARD SUPREME MACHINE CORPORATION, A NC CORP.;REEL/FRAME:004546/0906

Effective date: 19860312

Owner name: MONARCH MANUFACTURING CORP. 74-10 88TH STREET, GLE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:VANGUARD SUPREME MACHINE CORPORATION, A NC CORP.;REEL/FRAME:004546/0906

Effective date: 19860312