US3148518A - Multi-feed knitting machine - Google Patents

Multi-feed knitting machine Download PDF

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Publication number
US3148518A
US3148518A US34799A US3479960A US3148518A US 3148518 A US3148518 A US 3148518A US 34799 A US34799 A US 34799A US 3479960 A US3479960 A US 3479960A US 3148518 A US3148518 A US 3148518A
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United States
Prior art keywords
needles
feed
butts
cam
stations
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
US34799A
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English (en)
Inventor
Peel Robert
Peter A Mahler
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.)
Singer Co
Original Assignee
Singer Co
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
Priority to DENDAT1287726D priority Critical patent/DE1287726B/de
Application filed by Singer Co filed Critical Singer Co
Priority to US34799A priority patent/US3148518A/en
Priority to GB16571/61A priority patent/GB984821A/en
Priority to FR862573A priority patent/FR1297339A/fr
Application granted granted Critical
Publication of US3148518A publication Critical patent/US3148518A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/42—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration
    • D04B9/46—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration stockings, or portions thereof
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/26—Circular knitting machines with independently-movable needles for producing patterned fabrics
    • D04B9/38—Circular knitting machines with independently-movable needles for producing patterned fabrics with stitch patterns

Definitions

  • ROBERT PEEL PETER A MAH LER ATTYS
  • the present invention relates to circular knitting machines, and has particular application to knitting machines of this type for making sheer ladies hosiery.
  • a primary object of the present invention is to provide a knitting machine which enables a high rate of production without sacrificing quality in the final product.
  • Another important object of the present invention is to provide a multiple feed knitting machine wherein the needle action at each feed station is substantially identical so as to reduce to a minimum the possibility of nonuniform loops which would otherwise result.
  • Still another object of the present invention is to provide a knitting machine having novel driving connections embodied therein which effect a positive drive of various components of the machine without danger of undesired lost motion and the like.
  • Still another object of the present invention is to provide a knitting machine of the stated character having four feeds and in which all four feeds operate simultaneously throughout the entire stocking including the make-up.
  • the invention provides a knitting machine including a novel cabinet for the supply yarns which maintains the yarns at the proper condition of relative humidity to insure optimum knitting conditions.
  • the present invention provides a knitting machine of relatively simple construction and operation which is fully effective to provide a stocking on four feeds.
  • FIG. 1 is a fragmentary view in side elevation of the upper portion of a knitting machine embodying the present invention
  • FIG. 2 is a plan view of that portion of the knitting machine shown in FIG. 1 with certain portions broken away to more clearly illustrate the construction thereof;
  • FIG. 3 is an enlarged sectional view taken on the line 33 of FIG. 1;
  • FIG. 4 is a view in side elevation of that portion of the machine shown in FIG. 3;
  • FIG. 5 is a sectional view taken on the angled section line 55 of FIG. 3;
  • FIG. 6 is a fragmentary View in side elevation of that portion of the machine shown in FIG. 3;
  • FIG. 7 is a local sectional view taken on the line.77 of FIG. 3;
  • FIG. 8 is a sectional view taken on the line 88 of FIG. 7;
  • FIG. 9 is a perspective view of the mechanism shown in FIG. 8;
  • FIG. 10 is a vertical sectional view through the knitting machine showing the driving connections to the knitting instrumentalities and controls;
  • FIG. 11 is an enlarged view of that portion of FIG. 10 showing the yarn-feed station
  • FIG. 12 is a vertical section taken at right angles to FIG. 10 generally along the line 1212 thereof;
  • FIG. 13 is a view taken on the line 1313 of FIG. 12;
  • FIG. 14 is an enlarged sectional view taken on the line 14-14 of FIG. 10;
  • FIG. 15 is a further enlarged fragmentary View of that r ce portion of FIG. 14 illustratnig the yarn clamp mechanism
  • FIG. 16 is a sectional view taken on the line 1616 of FIG. 15
  • FIG. 17 is a detached perspective view of the mechanism shown in FIGS. 15 and 16;
  • FIG. 18 is an enlarged fragmentary view in side elevation showing the splicing control mechanism of the kniting machine shown in FIG. 1;
  • FIGS. 19 and 20 are enlarged sectional views taken on the lines 19-19 and 2ti2 respectively of FIG. 18;
  • FIG. 21 is an enlarged fragmentary view taken on the line 2121 of FIG. 18;
  • FIG. 22 is a sectional view taken on the line 22-.22 of FIG. 21;
  • FIG. 23 is an enlarged sectional View taken on the stepped section line 23-23 of FIG. 18;
  • FIG. 24 is a sectional view taken on the irregular line 24-24 of FIG. 23;
  • FIG. 25 is .a fragmentary sectional viewtaken onthe line 25'25 of FIG. 24;
  • FIG. 26 is a fragmentary detached perspective view of the mechanism shown in FIGS. 23 to 25 with certain elements removed;
  • FIG. 27 is a fragmentary View taken on line 27-27 of FIG. 18;
  • FIG. 28 is a sectional view taken on the line 28-28 of FIG. 27;
  • FIG. 29 is a fragmentary horizontal section through the yarn supply cabinet shown in FIG. 1 with the yarn packages removed;
  • FIG. 30 is a sectional view taken on theline 3030 of FIG. 29 with the yarn packages shown in broken lines;
  • FIG. 31 is a sectional view taken on the line 3131 of FIG. 29;
  • FIG. 32 is a detached perspective view of the humidifying pan of the yarn cabinet shown in FIGS. 29 to 31 inclusive;
  • FIG. 33 is a development of the cylinder showing diagrammatically the travel of the jacks and the needle butts during the initial portion of the formation of the makeup courses of the stocking;
  • FIG. 34 is a diagrammatic representation of the position of the bits during the formation of the makeup courses diagrammed in FIG. 33;
  • FIG. 35 is a view similar to FIG. 33 showing the, travel of the needle butts. and jacks during the remainder of the makeup courses;
  • FIG. 36 is a view similar to FIGS. 33 and 35 showing the travel of the needle butts and jacks during the formation of the welt;
  • FIG. 37 is a view similar to FIG. 35 showing the travel of the needle butts and jacks during the formation of the transfer courses;
  • FIG. 38 is a view similar to FIG. 34 showing the position of the transfer bits during the formation of the transfer courses
  • FIG. 39 is a view similar to FIG. 33 showing the travel of the needle butts and jacks during the formation of the plain stitches in the shadow welt, leg and foot portions of the stocking;
  • FIG. 40 is a view similar to FIG. 39 showing the formation of the mesh in theleg and foot portions of the stocking
  • FIG. 41 is a development of the cylinder showing the jackand needle positions during the mesh knitting
  • FIG. 42 is a detached representation of a set of jacks employed in the illustrated machine
  • FIG. 43 is .a diagrammatic representation of the dial showing the operation of the bits
  • FIG. 44 is a diagram of the travel of the jacks during the mesh formation showing the jack slides.
  • FIG. 45 is a development of the cams cooperable with the jack slides to produce the mesh pattern
  • FIG. 46 is a diagram of the mesh pattern produced by the cams developed in FIG. 45;
  • FIG. 47 is a diagrammatic representation of the mechanism controlling the jack slides for the formation of the mesh, and showing the arrangement of the jack circle;
  • FIGS. 48 and 49 are sectional views taken on the lines 48-48 and 4949 of FIG. 47;
  • FIG. 50 is a diagrammatic representation of the needle circle cooperating with the jack circle shown in FIG. 47;
  • FIG. 51 is a fragmentary perspective view of the jack control mechanism shown in FIG. 47;
  • FIG. 52 is a perspective view of the stocking tube formed by the machine of the present invention.
  • FIG. 53 is a view of the tube after being formed into a stocking
  • FIG. 54 is a perspective view of the stocking as seen on the leg.
  • FIG. 55 is an enlarged stitch diagram of that portion of the stocking shown by the broken lines 55 in FIG. 53 showing the mesh stitch formed by the mechanism illustrated in the drawings.
  • the knitting machine of the present invention knits a stocking as a continuous uninterrupted tube, the needle circle rotating unidirectionally throughout the formation of the stocking.
  • the heel and toe of the stocking are made with pockets formed by oscillating the needle circle in these areas of the stocking. Such oscillation reduces the production of the machine, as well as requiring operation at a greatly reduced speed during knitting of the toe pocket and heel pocket.
  • the formation of a stocking according to the conventional prior art method involves an approximate time of between and 18 minutes according to the type of machine, whereas in accordance with the present invention, the time for the formation of the stocking is reduced to approximately 3 minutes.
  • the stocking 61 as it comes from the knitting machine consists of a straight, gradually tapering tube 62.
  • the toe is closed, for example by a seam 63 (see FIG. 53), and the stocking is shaped as shown in FIG. 54 to conform to the contour of the leg.
  • the formation of the stocking is started on four feeds with a plurality of makeup courses corresponding in number to the number of feeds.
  • the knitting proceeds to form the welt 65, each feed feeding a heavy welt yarn, for example of 40 denier.
  • the formation of the welt continues, the makeup courses being held on transfer bits generally in accord with the conventional practice.
  • a transfer course is formed into which the makeup courses are interknit to complete the formation of the welt as a double thickness of knitted fabric.
  • the welt yarn is knit to form a multiplicity of courses of shadow welt 66.
  • the leg yarns are introduced, the leg yarns being of lighter denier than the welt yarns, for example denier.
  • the leg yarns continue knitting to form the leg 67 of the stocking.
  • the needle cylinder and sinkers are gradually displaced downwardly relative to the needles to form stitches of decreasing length, thereby causing the leg of the stocking to taper inwardly.
  • the knitting of the leg may be done with plain knitting, or if desired, a mesh or net stitch may be employed as shown in FIG. 55.
  • splicing yarns are introduced on two of the four feeds to provide a reinforcement 68 in the area of the heel, the splicing yarns being knit-in only for a portion of the travel of the needles in the revolution of the needle circle and floated in the remainder of the travel.
  • the displacement of the cylinder may be arrested so that the remainder of the stocking is knit as a cylindrical tube, forming the foot 69 of the stocking.
  • the heavier yarns are again inserted on the four feeds to form a toe portion 70 of heavier weight.
  • the toe portion is knitted until the stocking is completed at which time the yarn is pressed off and the completed stocking blank is withdrawn from the area of the needles by the take-up.
  • the toe portion of the stocking is then closed by seaming and the extraneous end portions and the reinforcing yarn floats are sheared prior to finishing the stockings.
  • the closed tube is further shaped and set during the finishing operation to conform to the desired contour.
  • the knitting machine of the present invention comprises a frame having a needle cylinder 101 mounted therein for rotation about its axis.
  • the needle cylinder is of substantially conventional construction having vertical slots therein slidably mounting needles 102, and jacks 103 for vertical movement.
  • the needles 102 have short, intermediate and long butts 104, 105, and 106 as shown in FIG. 41, and are grouped as shown in FIG. 50.
  • the jacks 103 have upper and lower butts 54 and 55 respectively for guiding engagement with the upper and lower edges of the jack cam track.
  • the upper butts 54 of the jacks 103 are alternately long and short as indicated at 54a and 54b in FIG. 42 for a purpose more fully described hereinafter in connection with the makeup and transfer operation of the knitting machine.
  • the frame 100 Surrounding the needle circle 102, the frame 100 mounts a plurality, in the present instance four, feed stations 111, 112, 113, and 114, each having a plurality of feed fingers (see FIGS. 10 and 11).
  • the frame also receives the sinker ring 118 which is mounted on the cylinder 101, the sinkers being slidable in the ring 118 to cooperate in the conventional way with the feed fingers and needles to form the knitted tube.
  • the vertical displacement of the needles is controlled by needle cams, needle slides, and jack slides, selected ones of which are displaceable as more fully set forth hereinafter.
  • the knitting instrumentalities are controlled in a predetermined manner by a pattern chain 121, a pattern drum 122 (see FIG. 12), and a mesh cam bank 123 (see FIG. 2).
  • the splicing control mechanism is provided at 124 to time the operation of the splicing feed fingers 115 during the formation of the reinforced heel patch or other areas.
  • the yarn is supplied to the yarn feed fingers 115 from a yarn supply cabinet 131 mounting a plurality of supply packages 132 and of yarns of various weights and characteristics for forming the different portions of the stocking.
  • the yarn cabinet 131 includes a humidifying device 133 to maintain the supply of yarn in proper condition for knitting.
  • the yarn from the packages 132 and 135 is directed by suitable guide means through tensioning devices indicated generally at 134 to the yarn feed fingers 115.
  • the tensioning devices insure proper tensioning of the yarns to effect the formation of the knitted loops uniformly throughout the length of the stocking, subject to the gradual shortening of the stitches effected by adjustment of the needle cylinder relative to the needles.
  • a rotary dial 141 (see FIG. 10) is mounted concentric with the cylinder 101 within the needle circle 102.
  • a stationary dial cap 142 overlies the dial.
  • the rotary dial 141 mounts a series of bits 144 for radial movement upon rotation of the dial under the action of dial bit cams 145 (see FIGS. 11, 14 and 43).
  • the dial cap also mounts suitable clamping and shearing mechanism 146 in the present instance, one mechanism for each of the four feeds.
  • the clamping and shearing mechanism 146 is clearly illustrated in FIGS. 15 to 17 inclusive.
  • Each mechanism 146 is operated in the conventional way by means of an operating linkage 147, to shear the yarn end which passes across the dial into the mechanisms following insertion or withdrawal of one of the yarns at each feeding station.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
US34799A 1960-06-08 1960-06-08 Multi-feed knitting machine Expired - Lifetime US3148518A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DENDAT1287726D DE1287726B (en)) 1960-06-08
US34799A US3148518A (en) 1960-06-08 1960-06-08 Multi-feed knitting machine
GB16571/61A GB984821A (en) 1960-06-08 1961-05-08 Multi-feed knitting machine
FR862573A FR1297339A (fr) 1960-06-08 1961-05-23 Métier à tricoter à postes distributeurs multiples

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US34799A US3148518A (en) 1960-06-08 1960-06-08 Multi-feed knitting machine

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US3148518A true US3148518A (en) 1964-09-15

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241340A (en) * 1961-12-05 1966-03-22 Kendall & Co Circular knit garment with added shaping material
US3247684A (en) * 1962-11-23 1966-04-26 Scott & Williams Inc Knitting machines and methods
US3310962A (en) * 1964-05-06 1967-03-28 Singer Co Circular knitting machine
US3338071A (en) * 1964-01-30 1967-08-29 Joseph P Pons Seamless hosiery heel and method of forming same
US3399551A (en) * 1957-04-09 1968-09-03 Billi Giorgio Circular knitting machine for manufacture of stockings
US3430462A (en) * 1964-02-27 1969-03-04 Hanes Corp Method and apparatus for knitting run-resistant fabric
US3580105A (en) * 1969-05-09 1971-05-25 Warren E Gilson Program control apparatus
US3675445A (en) * 1970-09-25 1972-07-11 North American Rockwell Pattern mechanism for circular knitting machines
US3848432A (en) * 1972-12-29 1974-11-19 Singer Co Cam section blocks for circular knitting machines
US3916648A (en) * 1972-02-02 1975-11-04 Courtaulds Ltd Knitting machine cam system with pressing off means
US3959994A (en) * 1974-01-07 1976-06-01 Nuova San Giorgio S.P.A. Circular knitting machine cam arrangement
US3961499A (en) * 1973-03-14 1976-06-08 Vyzkumny A Vyvojovy Ustav Zavodu Vseobecneho Strojirenstvi Mechanism for supporting needle cams on knitting machines
US4041735A (en) * 1976-08-27 1977-08-16 Oakdale Knitting Company Auxiliary knitting station for hosiery knitting machine
US4120177A (en) * 1976-07-20 1978-10-17 Brematex S.P.A. Radially insertable and pivotable cams
US4539825A (en) * 1982-06-09 1985-09-10 Colosio Cesare S.R.I. Device selecting the needles on the dial plate of either single or multiple feed, single cylinder circular knitting machines for the manufacture of ribbed fabric

Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE566600A (en)) * 1957-04-09
US1377459A (en) * 1914-08-27 1921-05-10 Hemphill Co Stocking-knitting machine
US1722989A (en) * 1926-03-19 1929-08-06 Camden Safe Deposit Trust Co Knitting machine
US2092347A (en) * 1935-06-05 1937-09-07 Grey Hosiery Mills Circular knitting machine
US2189276A (en) * 1938-06-09 1940-02-06 Samuel Mishcon Method and apparatus for producing striped knitted fabric
US2215286A (en) * 1938-02-24 1940-09-17 Interwoven Stocking Co Process of knitting
US2255693A (en) * 1926-03-06 1941-09-09 Hemphill Co Pattern-producing circular knitting machine
US2273811A (en) * 1941-01-13 1942-02-24 Samuel Mishcon Method of knitting and machine therefor
CA458406A (en) * 1949-07-26 St. Pierre Eugene Method of knitting
US2655019A (en) * 1949-04-22 1953-10-13 Harraway Leonard George Container for yarn packages
US2694908A (en) * 1952-04-01 1954-11-23 Scott & Williams Inc Pattern mechanism for knitting machines
US2727373A (en) * 1952-07-01 1955-12-20 Hanes Hosiery Mills Company Knitting machine
US2828617A (en) * 1955-05-18 1958-04-01 Burdett Henry Sidney Circular knitting machines
GB792760A (en) * 1956-03-02 1958-04-02 Scott & Williams Inc Improvements in knitting machines
US2861440A (en) * 1956-05-22 1958-11-25 H E Crawford Company Inc Multi-feed circular knitting machine
US2872796A (en) * 1957-09-19 1959-02-10 Fidelity Machine Company Inc Jack selection mechanism for circular knitting machines
US2888813A (en) * 1949-04-22 1959-06-02 Bentley Eng Co Ltd Knitting machine
US2913887A (en) * 1957-10-29 1959-11-24 Gelmart Knitting Mills Inc Circular knitting machine
US2934921A (en) * 1953-12-10 1960-05-03 Hemphill Co Knitting mechanism and method
US2944414A (en) * 1959-04-14 1960-07-12 John E Malloy Vacuum yarn feeding device
US3004412A (en) * 1956-03-02 1961-10-17 Scott & Williams Inc Knitting machine

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA458406A (en) * 1949-07-26 St. Pierre Eugene Method of knitting
US1377459A (en) * 1914-08-27 1921-05-10 Hemphill Co Stocking-knitting machine
US2255693A (en) * 1926-03-06 1941-09-09 Hemphill Co Pattern-producing circular knitting machine
US1722989A (en) * 1926-03-19 1929-08-06 Camden Safe Deposit Trust Co Knitting machine
US2092347A (en) * 1935-06-05 1937-09-07 Grey Hosiery Mills Circular knitting machine
US2215286A (en) * 1938-02-24 1940-09-17 Interwoven Stocking Co Process of knitting
US2189276A (en) * 1938-06-09 1940-02-06 Samuel Mishcon Method and apparatus for producing striped knitted fabric
US2273811A (en) * 1941-01-13 1942-02-24 Samuel Mishcon Method of knitting and machine therefor
US2888813A (en) * 1949-04-22 1959-06-02 Bentley Eng Co Ltd Knitting machine
US2655019A (en) * 1949-04-22 1953-10-13 Harraway Leonard George Container for yarn packages
US2694908A (en) * 1952-04-01 1954-11-23 Scott & Williams Inc Pattern mechanism for knitting machines
US2727373A (en) * 1952-07-01 1955-12-20 Hanes Hosiery Mills Company Knitting machine
US2934921A (en) * 1953-12-10 1960-05-03 Hemphill Co Knitting mechanism and method
US2828617A (en) * 1955-05-18 1958-04-01 Burdett Henry Sidney Circular knitting machines
GB792760A (en) * 1956-03-02 1958-04-02 Scott & Williams Inc Improvements in knitting machines
US3004412A (en) * 1956-03-02 1961-10-17 Scott & Williams Inc Knitting machine
US2861440A (en) * 1956-05-22 1958-11-25 H E Crawford Company Inc Multi-feed circular knitting machine
BE566600A (en)) * 1957-04-09
GB882825A (en) * 1957-04-09 1961-11-22 Billi Giorgio Improvements in or relating to circular knitting machines for the manufacture of stockings
US2872796A (en) * 1957-09-19 1959-02-10 Fidelity Machine Company Inc Jack selection mechanism for circular knitting machines
US2913887A (en) * 1957-10-29 1959-11-24 Gelmart Knitting Mills Inc Circular knitting machine
US2944414A (en) * 1959-04-14 1960-07-12 John E Malloy Vacuum yarn feeding device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3399551A (en) * 1957-04-09 1968-09-03 Billi Giorgio Circular knitting machine for manufacture of stockings
US3241340A (en) * 1961-12-05 1966-03-22 Kendall & Co Circular knit garment with added shaping material
US3247684A (en) * 1962-11-23 1966-04-26 Scott & Williams Inc Knitting machines and methods
US3338071A (en) * 1964-01-30 1967-08-29 Joseph P Pons Seamless hosiery heel and method of forming same
US3430462A (en) * 1964-02-27 1969-03-04 Hanes Corp Method and apparatus for knitting run-resistant fabric
US3310962A (en) * 1964-05-06 1967-03-28 Singer Co Circular knitting machine
US3580105A (en) * 1969-05-09 1971-05-25 Warren E Gilson Program control apparatus
US3675445A (en) * 1970-09-25 1972-07-11 North American Rockwell Pattern mechanism for circular knitting machines
US3916648A (en) * 1972-02-02 1975-11-04 Courtaulds Ltd Knitting machine cam system with pressing off means
US3848432A (en) * 1972-12-29 1974-11-19 Singer Co Cam section blocks for circular knitting machines
US3961499A (en) * 1973-03-14 1976-06-08 Vyzkumny A Vyvojovy Ustav Zavodu Vseobecneho Strojirenstvi Mechanism for supporting needle cams on knitting machines
US3959994A (en) * 1974-01-07 1976-06-01 Nuova San Giorgio S.P.A. Circular knitting machine cam arrangement
US4120177A (en) * 1976-07-20 1978-10-17 Brematex S.P.A. Radially insertable and pivotable cams
US4041735A (en) * 1976-08-27 1977-08-16 Oakdale Knitting Company Auxiliary knitting station for hosiery knitting machine
US4539825A (en) * 1982-06-09 1985-09-10 Colosio Cesare S.R.I. Device selecting the needles on the dial plate of either single or multiple feed, single cylinder circular knitting machines for the manufacture of ribbed fabric

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Publication number Publication date
DE1287726B (en)) 1969-01-23
GB984821A (en) 1965-03-03

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