US2082127A - Circular knitting machine - Google Patents

Circular knitting machine Download PDF

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Publication number
US2082127A
US2082127A US459339A US45933930A US2082127A US 2082127 A US2082127 A US 2082127A US 459339 A US459339 A US 459339A US 45933930 A US45933930 A US 45933930A US 2082127 A US2082127 A US 2082127A
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Prior art keywords
needles
cam
dial
cams
pin
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US459339A
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English (en)
Inventor
Sirmay Julius
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Jacquard Knitting Machine Co Inc
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Jacquard Knitting Machine Co Inc
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Priority to US459339A priority Critical patent/US2082127A/en
Priority to DE1930606249D priority patent/DE606249C/de
Priority to GB20660/30A priority patent/GB365031A/en
Priority to BE380355D priority patent/BE380355A/xx
Priority to FR729552D priority patent/FR729552A/fr
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Publication of US2082127A publication Critical patent/US2082127A/en
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    • 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
    • D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/06—Circular knitting machines with independently-movable needles with needle cylinder and dial for ribbed goods

Definitions

  • This invention relates to circular 10 Claims.
  • the invention is not limited to either 1:1 or 2:2 however nor to these two together, nor is it limited to the'production of a fabric or fabrics of only two stitch relations, as will become apparent.
  • FIG. 1 is a plan view of this machine, partly in section; its racking and dogless mechanism, which is built above the main body of the machine being shown at one side of the latter;
  • Fig. 2 is an elevation of the same machine;
  • Fig. 3 is an elevation of one section of the pattern mechanism.
  • Fig. 4 is a sectional view of one of the pattern mechanism sections and the adjacent portion of the knitting machine;
  • Fig. 5 is an elevation of one of the yarn changing mechanisms
  • Fig. 6 is a plan view of the latter, and also showing mechanism for moving one of the dial cams into and out of operation
  • Fig. 7 shows similar mechanism for another dial cam
  • Fig. 8 is an elevation of one of the yarn guides
  • Fig. 9 is a plan view 'of the dial cams of two feeds of the machine
  • Fig. 10 is a sectional view of one of the trick wheels or skip operators of the dial needles employed in the production of reduced-stitch backs
  • Fig. '11 is a face view of a part of the wheel or operator of Fig. 10
  • Fig. 12 is a front elevation of a latch opener for needles of the dial
  • FIG. 13 is a side elevation of this latch opener, at right angles to the showing of Fig. 12, and also showing a guide for holding the dial needles in place in their slots at the point where their latches are opened;
  • Fig. 14 is an elevation of one of the mechanisms employed for raising and lowering the stitch cams of the cylinder needles;
  • Fig. 15 is a sectional view of the mechanism of Fig. 14, the joint operation of a related stitch cam of the dial needles being also shown in this figure;
  • Fig. 16 is a plan view'of a detail of the operating mechanism of Fig. 14;
  • Fig. 17 is a sectional view illustrating the different length needle butts employed and also showing one of the cams for projecting the dial needles;
  • Fig. 18 is a sectional view illustrating one of the thin cylinder needle raising cams and its operation with respect to long and'short butt needles;
  • Fig. 19 is a section illustrating one of, the thick cylinder needle operating cams;
  • Fig. 20 is a plan view of one of the mechanisms h re employed for raising and lowering the cylinder needle raising cams;
  • Fig. 21 is an elevation of the subject matter of Fig. 20;
  • Fig. 22 is an elevation, partly in section, of the master controller and the driving mechanism of the knitting machine.
  • Fig. 23 is a section through the driving mechanism of the machine as indicated by the arrow and section line on Fig. 22.
  • Fig. 24. is an elevation of a pin wheel of the pattern mechamsm.
  • the multiple feed circular ribbed knitting machine chosen to illustrate the invention is a four feed machine, the feeds being generally denominated by the letters A, B, C, and D in- Fig. 1.
  • the upper bed plate I and lower bed plate 2 of the machine can be assumed to be supported by legs in some well-known manner.
  • the needle cylinder 3 and dial 4 are stationary, the cylinder 3 resting on the bed plate 2 and the dial 4 being suspended on the post 6 in the usual manner; the manner in which the dial 4 is held stationary with respect to the cylinder 3, by bracket 1 rising from bed plate I, is discussed later.
  • the needle cylinder is surrounded by the usual (and here rotating) cam cylinder 8 from which a bracket 9 rises and drives the dial cam carrier l0 through the link II in quite an ordinary manner. So far as a part of the invention is concerned, the cam cylinder 8 can be driven in various known ways; the manner in which it is driven by preference, in view of the various types of fabrics producible on it, is described later.
  • stitches for example, to produce plain 1:1 fabric alternately with plain 2:2 fabric.
  • one of the feeds, A I arrange for knitting on such a certain limited lot of the needles of at least one of the needle banks (dial or cylinder) as will produce fabric of one of the desired stitch relations.
  • another feed, B I provide for knitting on such another lot of the needles (of the same or the opposite bank) as will produce fabric having the second desired stitch relation.
  • a fabric (or fabrics) of three or more different stitch relations are desired.
  • each stitch relation is the individual product of a certain feed or feeds.
  • One or all thefeeds producing one of thedesired stitch relations is so constructed of course that it or they can be held out of action while another or other feeds is or are operating.
  • the differing and individual actions at the various feeds during plain knitting can be obtained in various ways.
  • I preferably employ needles differing among themselves in form (for example, long and short needles,
  • the machine illustrated is shown set up for making 1:1 plain fabric alternately with 2:2 plain fabric; in the dial (see Fig. 9) long butt needles
  • the dial cams 20 and 22 are hinged to the dial cap ID for individual movement into and out of action; also the cylinder cams 2
  • a pin rises through a slot in the dial cap I8 and rests in a slot in a bell crank lever 21 mounted to turn freely on a pin or shaft 93 rising from the dial cap.
  • the second finger lever 29, hinged to the dial cap and also projecting beyond the edge of the dial cap, has a shoulder to engage a shoulder of lever 21 in such a manner as to resist the action of spring 21, and thereby hold cam 22 (or 28) in action; a spring 29 urges lever 29 to.thi s holding position.
  • the projecting end of the finger lever 28 of each feed is at a slightly different level from the companion lever 29; all the levers 28 are in one level, and all the levers 29 are in another.
  • a bob pin I21, rising from the bed I of the machine, serves to knock over the levers 28 and 29 .alternately as the rotating dial carries them by the bob pin.
  • This bob-pin has three positions; the lowest, below the path of all the levers 28 and 29; the middle position, in the path of say the lever 28; and the highest position, in which it is in the path of the levers 29.
  • the lower end of the bell crank lever 33 is made to thrust the toggle joint over its center line to the left, whence the respective 3 cam 2
  • the toggle joint in thus moving to the right, returns finger lever 32 "to about its position shown in Figs. 20 and 21.
  • the outer ends of all the finger levers 34 stand in one level, which is somewhat higher than the level of the lower ends of the finger levers 32.
  • a bob-pin 35 serves to knock over all the finger levers 32 and 34.
  • This bob-pin has three positions; in its lowest position it is below the path of finger levers 32; in its middle position it stands in the path of the finger levers 32; in its highest position it stands in the path of the finger levers 83.
  • this bob pin 35 by raising this bob pin 35 to its middle or upper position just prior to the,passing of any feed, the appropriate finger lever 32 or 34 of that feed can be knocked over (to the left in Figs. 20 and 21) and thereby the cam 2
  • Each dial stitch cam 26 and its associated cylinder stitch cam 25 (of the same feed) will usually need to be, or without harm can be, shifted together; hence a single mechanism will serve to put these two stitch cams of each feed into and out of action.
  • these stitch cams be adjustable to draw either long or short stitches; that is to say, have-two operating positions as well as an inoperative position.
  • the mechanism I have devised for shifting these stitchcams 25 and 28 has both these positions. It will be understood that there is one of these mechanisms at each feed, and each is capable of shifting its cams 25 and 28 independently of all the others. Referring particularly to Figs.
  • bracket 18 also carries two (independently adjustable) threaded pins to engage and shift'the lever 44 and thereby the dial stitch cam 26.
  • the lower end of the shaft 49 is geared to a parallel shaft 49*, and the two shafts 49 and 49 are provided with the finger levers I48 and I49 respectively, projecting outwardly from the cam cylinder.
  • the lever I48 is undercut and the lever I49 is overcut to provide adjacent provided with a cap shoulders, but otherwise these two levers are alike.
  • All (four) of the levers I48 are at a single level; also all (four) of the levers I49 are at a single, but lower, level.
  • a bob pin 11 is provided to .be struck by and knock over these finger levers'as it may be raised into their paths.
  • This bob pin 11 has four positions;-in its lowest position (illustrated in full lines in Fig. 15) it is entirely below at its next higher position it is in the path of the lower finger levers I49; in its highest position (illustrated in broken lines in Fig. 15) it is in the path of the finger levers I48; in its middleraised position,'the bob-pin 11 is in the paths of the shoulders of both (all) the finger levers I48 and ,I49.
  • This pattern mechanism is divided into a number of sections distributed around the machine (Fig. 1) and for say each feed a cylinder needle raising cam is prothe lower bed 2 (Fig. 4); these needle raising cams are placed in the same angular positions as the cams 2
  • the stitching on the dial is done by the cams 25.
  • Each section of the pattern mechanism consists of apattem drum 50 mounted in brackets 5I carried by the lower bed plate 2, and a group of thin metal levers 52, say one foreach needle, provided with feelers 53 to engage a paper or like pattern carried by the drum 50.
  • jacks for .example such jacks as at 51, placed below or behind needles (which here are representative of stitch-forming elements), constitute extensions and in effect parts of the needles as it were, and may be employed wherever otherwise the needles would be inconveniently long or whenever for any other reason jacks may be desirable, all as will be understood.
  • the cam ring 54 rotates therefore, the needle raising cams on the ring 54 raise the inner ends of the levers 52 in succession, but the levers being in their outer positions, the corresponding cylinder needles are not raised.
  • the drums are turned successively, each say one step just before each of the raising cams of 54 reaches its levers.
  • each drum 50 is driven by a Geneva Wheel fixed to the drum shaft.
  • the pin wheels SI of the Geneva wheels are driven by gears 62 keyed to the shafts 63, which are also carried by the brackets 5I; the various shafts 63 are geared together at their ends by miter gear 18, and at some point this train of shafts is driven from say the ring 54 so as to be driven in the necessary fixed speed relation to the cam cylinder 8 and dial cap III.
  • This type of pattern mechanism being well known, and being subject to many variations in details of construction, the foregoing description of it will suflice for the present purposes.
  • Each gear 62 is made so wide-faced that its pin wheel 6
  • a yoke 61 containing a threepointed star wheel 68 mounted on a shaft, which also carries a six-pointed star wheel 69; the 5 shaft carrying these. star wheels is mounted on the fixed bed plate I as shown in Figs. 1 and 4.
  • On the cam cylinder 8 is provided one vertical- 1y adjustable finger 18 for turning the star wheels 69 step by step as the cam cylinder 8 rotates and carries this finger by the star wheels 68 successively thereby shifting the pin wheels 6
  • This pin 10 may be mounted on a bracket 1
  • a lever 15 hinged to the cam cylinder serves to raise the bracket 1
  • and its operating pin 18 After the bracket 1
  • a skip operator as I have called it, such as a wheel 80, set rather well in advance ofcams 28 and 22, at
  • each slot in which the needles rest and slotted as at 8
  • the wheels may be notched as turn the at 82 to receive the needle butts of those needles that are to -be projected by the wheels.
  • wheels may be carried on individual stub shafts 83 mounted on the dial cam cap and'the latter slotted'below the wheels to permit the wheels I find it preferable to reach the needle butts. to so design and locate such wheels that they project theneedles only part way to their outermost or clearing positions (say to tuck positions, the butts of the projected needles being placed outside separator cams 84 while the butts of the unprojected dial needles are allowed to pass inside these cams), and add to each a cam 85 to complete the projection of the dial needles to the clearing point; that is to say, to the point where the loops fall back of the needle latches.
  • each of these cams 85 By mounting each of these cams 85 so that they can be moved into and out of action, and providing at each feed another cam 81 movable into a position where it can restore to their'original retracted positions those needles that are partly projected by the adjacent wheel, the eifect of each wheel can be nullified at will.
  • These two cams 85 and 81 can be mounted on a single hinged piece 86; when the latter is turned to the position illustrated at the upper right hand of Fig.
  • cam 81 serves to return the partly projected needles to their innermost rest positions in advance of the point where the yarn of the respective feed is fed to the dial needles and in advance of the point where the'needle-projecting cam 28 or 22 acts, so that the latter are free to project their needles if desired; on the other hand, when this piece 86 is turned to its outer position illustrated at the. bottom of Fig. 9,' cam 85 supplements the wheel and projects to clearing position those needles selected for this action by the local wheel 80.
  • Each trick wheel or skip operator 80 may be so cut of course asto project and pass the needles in any desired order, and therefore to bring about almost any desired stitch-formation at the back of the fabric.
  • the number of needles in the dial a non-multiple of the sum of the 1 thereof is not a multiple of three; as a result,"
  • a needle projected by a given wheel in one round is skipped by the same wheel in the next round of the dial cap.
  • I have provided a single bob-pin I21 for taking the dial needle projecting cams 28 and 22 out of action, as before described; and I preferably use but a single bob pin 99 (or bob pins located at a single place) for swinging the cam members 86 into the position illustrated at the bottom of Fig. 9, in which position they bring about the knitting of the reduced-stitch back.
  • a single bob-pin I21 for taking the dial needle projecting cams 28 and 22 out of action, as before described; and I preferably use but a single bob pin 99 (or bob pins located at a single place) for swinging the cam members 86 into the position illustrated at the bottom of Fig. 9, in which position they bring about the knitting of the reduced-stitch back.
  • This mechanism (at each feed) includes a gear 98 fastened to the pin or shaft 9
  • an arm 94 is fastened to the upper end of the shaft 93 and this arm has a pin and slot connection with a rock arm 95 fastened to a rockshaft 96 rising from the cam cylinder 8.
  • a finger lever 91 is fastened to the rock shaft 96, and the oppositely operating finger lever 98 is geared to this rock shaft. All (four) of the finger levers 91 are at one level and all (four) of the finger levers 98 are at another level.
  • the finger levers 91 and 98 are knocked over as required by the single bob pin 99. The latter has three positions. In the lowermost it is be low the fingers 91 and 98; in its middle position, it, is within the reach of say the fingers 91; in its highest position it is within the path of the finger levers 98.
  • the post 6 to which the dial 4 is fixed is keyed or otherwise fastened against rotation to a member I82 which is carried by a bracket I83 mounted on the posts 1 rising from the bed plate I (see Figs. 1 and 2). Above this bracket I83 rises the standard I84 on which the yarn cones are carried and a circular member I85, also carried by the bracket I83, and driven with the cam cylinder 8 and dial cap I8 by means of the connection I86 is pierced at I81 (where it is connected to standard I84) outside the member I82 to permit the yarns to pass through it from the cones.
  • a number of sliding latches I88 serve to lock the circular member I82 to the fixed bracket I 83, these sliding latches being actuated by a cam race I 8
  • This general type of dogless mechanism is well known, and the foregoing description will therefore serve the present purposes.
  • Known racking mechanisms of various kinds may also be used, though I prefer to rack the dial as a whole rather than by sections racked successively.
  • the member I89 of the bracket I83 into which the sliding latches I88 project for locking the member I82 and post 6 against rotation is itself mounted for more or less rotation in the body of the bracket I83, and mechanism is provided for rotating, or at least oscillating, this member I89 thereby racking the dial accordingly.
  • the member I89 is preferably provided with gear teeth in its outer edge, these teeth gearing with a worm I I8 fastened to the Geneva wheel II I, by gears H2 and miter gear I28 the horizontal shaft H3 is driven constantly from the member I85 of the dogless mechanism, and the shaft H3 is provided with clutch mechanism for throwing either the pin wheel H4 or pin wheel II5 into operating relation with the Geneva wheel III, these two pin wheels being rotated in opposite directions on and by the shaft II3.
  • This result may be secured by mounting the pin wheel II4 for direct drive by the shaft H3 and mounting the pin wheel I I5 on an outer hollow shaft driven in the opposite direction by the miter gear I I6, and providing a cam track I" for sliding the two pin wheels along the axis of the shaft I I3.
  • pins H8, H9 and I20 are provided for sliding these pin wheels; when pin H9 projects into the cam race I", as shown in Fig. 1, both pin wheels are held out of engagement with the Geneva wheel I I I as there shown; when pin H9 is retracted and pin H8 is thrust into the cam race obviously pin wheel H5 is pulled up -wardly (in Fig. 1) and engages the Geneva wheel I I I; likewise when pin I I9 is retracted and pin I20 is thrust into the cam race I", pin wheel H4 is thrust into operating relation with the Geneva wheel -I I I.
  • Pin H9 is connected to both pins H8 and I20 for operation reversely thereto; pin H8 is thrust inwardly by striker I2I operated by shaft I22 which in turn is rocked at will by the vertical link I23; likewise pin I20 is thrust inwardly at will by the striker I24 mounted on rock shaft I25 which is rocked by the vertical link I26.
  • the slotting of the Geneva wheel III and the pitch of the threads of the worm H are such preferably that one rotation of either pin wheel H4 or H is suflicient to rack the dial the distance of one needle.
  • I surround the links I23 and I26 which direct the racking operation with a yoke I30 and provide each of the links with its own pin I3I to support this yoke; normally this yoke is held downwardly against these pins by the spring I32.
  • a finger lever I31 engaging with a pin I39 arising from the link I36 which is mounted on the adjacent finger lever 34 previously described and a companion lever also hinged to the top of cam cylinder 8 (Figs. 20 and 21), is fastened to a rock shaft I44 mounted in the cam cylinder 8 and at its lower end having a yoke I45 engaging with a pin I46 rising from an oscillating ring I40 carried on the horizontal foot of the cam cylinder 8; in turn the ring I40 carries, at each feed, a finger I42 normally resting against the adjacent toggle 3I; one or more springs I tend to move the ring I40 in the direction to bring fingers I42 toward the toggles 3
  • the whole dial is racked as a unit and the cam cylinder 6 and dial cam cap I0 continue in operation during the'racking operation, it is fingers (say two, I5I and I52) swinging loosely on the hinge pin I53. Above the level of this hinge pin 4 I53, individual pivoted finger levers I54 and I55 serve to throw the.
  • finger lever I54 thus serves yarn finger I52 and finger lever I55 serves yarn finger I5I Below the level of the hinge pin I53, other finger levers serve to throw the yarn fingers into action.
  • I56 and I5'I serving the yarn fingers I5I and I52 respectively.
  • the combined scissors and yarn holder I56 serves the yarn of finger I5I and scissors-and holder I59 serves the yarn from yarn finger I52.
  • a bob pin I65 carries head 166 to operate --the finger levers I 54 and I55, and also carries head, I 61 to operate the scissors finger levers I63 From this construction, it is evident that and I64 in co-operation therewith; In the lowest position of bob pin I65 (shown in' Fig. 5) heads-l66 and I6'I are out of operation; in its middle position, I66 is inposition to be struck by finger lever I55 (as the rotation of the dial .to be struck by the "finger lever I54 (assuming this finger lever to lie in its 'outer position) and head I61 is in position to be'struck by the corresponding scissors finger lever I64.
  • the bob pin I68 is provided with two heads I69 and I10 cooperating respectively with the finger levers I56-I51 and I63-I64. Hence by raising the bob pins I55 and I68, either or both yarns can be put into or taken out of action at any or all.
  • a cast-off cam can be added; that is to say, a cam located at a place where no yarn is fed and movable at will into a position where it can project needles to cast-01f position.
  • the bob pin 15 is arranged to be thrust upwardly by the bob pin rod I15 (Fig. 21) bob pin I21 by rod I16; bob pin 35 by rod I11; bob pin 99 by rod I18; yarn changer bob pin I68 by rod I19; the two rods I23 and I26 serve the racking mechanism as before pointed out; yarn changing bob pin I65 is thrust upwardly by rod I; and bob pin 11 by rod I8I.
  • Each of these rods is provided with as many rodraising or control levers I84 as the bob pin of the corresponding rod has operating positions (positions above its lowest or inoperative position).
  • the racking rod I23 has but one upper position (in which it thrusts the striker arm I2I against the pin H8), and hence but one lever I84 is provided for rod I23; again, rod I8 I which controls the position of dial stitch cam 28, has to have three operating positions and hence is provided with three of these levers I84.
  • Each of these levers I84 is provided with a feeler pin I85 resting on the control pattern I86, and its other end is slotted to embrace a rod I81 (Fig. 2) carried by the bracket plates I88 supporting the master controller mechanism from the lower side of the bed plate 2.
  • any bob pin can be made to act on any feed at any time; and by using beneath any rod two or more levers I84 having different appropriate vertical depths above the point where the cross-bar I9I strikes them, that rod can be raised at any time to any one of two or more heights.
  • the controller mechanism is driven by miter gear I96 (Fig.
  • gear I96 drives (through I99 and 200) a shaft carrying the broad-faced gear 20I; incidentally, this gear 20I is attached to a rotating cam 202 on which bears a roller 203 carried by the lever I90 and which thus serves to oscillate the lever I90 and its cross-bar I9I.
  • the controller drum I89 is driven by a Geneva wheel 204, and the latter in turn is driven by the pin wheel 205 which is carried by a sleeve having a V-shaped cam 206 shown particularly in Fig. 22; this sleeve is slidable parallel with its own axis, and the gear 20I is sufliciently wide-faced to permit the pin wheel 205 to remain meshed with it, and driven by it, when the pin wheel is in its out of action position (illustrated in Fig. 22) as well as when it is somewhat further to the right where it cooperates with the Geneva wheel 204 ,to turn the control drum I89 step by step.
  • the pattern chain I91 is carried on the sprocket wheel 220 to which is fastened a ratchet wheel 201.
  • a larger ratchet wheel 208 is mounted loosely on the same shaft where it can shield the ratchet wheel 201 from its driving pawl 209 except at the one deep notch 2I0 in ratchet 208; this notch is deep enough to permit the pawl 209 to enter the teeth of .the ratchet 201.
  • the pawl 209 is reciprocated by a connection to the lever I90 as is shown in Fig. '2, and from the construction described it is apparent that the chain I91 is driven forward one step in each rotation of the larger ratchet wheel 208.
  • the chain I91 is provided with a dog or dogs 2I I which, in passing, oscillate a lever 2I2 which is hinged at 2I3.
  • this lever 2I2 (as viewed in Fig. 2) is notched to receive a lever 2I4, hinged at 2I5, which is connected to shift two pins 2I6 and 2 I 1, either one of which is thus made to stand Hence by rotating the drum I89 (when I in the path of the cam 206 on the pin wheel 205; when a dog 2I I raises lever 2 I2, pin 2I6 is thrust into the path of the cam and thereby the pin wheel 205 is moved into position for operating 5 the Geneva wheel 204, and thus operating the master controller; contrari-wise, when the dog 2
  • a hinged yoke 238 and, coupled thereto, a sliding block are provided; the yoke is connected to the sliding rod 2I9 and in one position of this rod the block is struck by the brake band finger 230, the latter being thus knocked over, and in another position of the sliding rod 2I9 the block is so placed as to be struck by the brake band finger 23I.
  • the rod 2 I9 the left-hand brake band is brought into operation and in the other position the right-hand brake band is brought into operation.
  • this rod 2I9 By connecting this rod 2I9 to the lever 2I2 (for example, through lever system 2I8) the machine is caused to operate at high speed (232 coupled direct to the drive shaft 226) when only knitting is being done (i. e., when 75 there is no dog 2I I of the pattern chain I91 underneath the roller of the lever H2) and is caused to operate at a much slower speed, a speed proper for enabling the changes in machine operations to take place satisfactorily (miter gear 232 coupled to drive shaft 226 through the speed reducing gear 236231) while the changes are actually being made (a dog 2 of the pattern chain I91 being under lever 2I2).
  • the dial stitches should be formed by the dial stitch earns 26, rather than by the dial stitch cams 24; this to assure the entry of the new yarn into the cylinder needles.
  • the latch opener 252 is carried by a bracket 253 which is rotatably mounted on the inclined post 254, but is normally held so that thepoint 252 is in latch opening position by spring 255.
  • a guide 256 (Fig. 13) for pressing the dial needles down into their slots in the dial.
  • sliding latch needles having high butts sliding latch needles having low butts, high and low butt needles being intermixed in the dial and alsoin the cylinder, a cam at one feed operable on only the high butt dial needles, a cam at a second feed operable on the low butt dial needles, a cam at one of said two feeds operable on only the high butt cylinder needles, and a cam at the other of said feeds operable on the low butt cylinder needles, said cams of the two feeds being movable alternately to and from position .where they act on needles, whereby fabric having one relation between its dial and cylinder stitches is producible by the use of the said cams at one of said two feeds and fabric having another relation between its dial and cylinder stitches is producible by the use of the said cams at the other of said two feeds.
  • sliding latch needles diflerlng among themselves in form, the needles of different forms being intermixed in the dial and also intermixed in the cylinder, a needle-projecting cam at one feed operable on dial needles of one form, a needleprojecting cam at a second feed operable on dial needles of another form, a needle-projecting cam at the first mentioned feed operable on cylinder needles of one form, and a needle-projecting cam at the second mentioned feed operable on cylinder needles of another form, means for moving said cams of said one feed on the one hand and said cams of the second feed on the other hand to and from operating position alternately, where- P by fabric of one relation between the dial and cylinder stitches is producible at the first mentioned feed and fabric of another relation between its dial and cylinder stitches is producible at the second mentioned feed, and means for projecting selectively, at each pass of each feed, all the needles of one of said needle banks.
  • sliding latch needles having high butts sliding latch needles having low butts, high and low butt needles being intermixed in the dial and also in the cylinder, a cam at one feed operable on only the high butt dial needles, a cam at a second feed operable on the low butt dial needles, a cam at one of said two feeds operable on only the high butt cylinder needles, and a cam at the other of said feeds operable on the low butt cylinder needles, all the cams of one of said two feeds being movable from operative position alternately with all the cams of the other of said feeds, whereby fabric having one relation between its dial and cylinder stitches is producible at one of said two feeds and fabric having another relation between its dial and cylinder stitches is producible at the other of said two feeds, means for moving said cams of one of said needle banks to inoperative position, and means for selectively operating all the needles of said one of the needle banks, at
  • sliding latch needles In a circular rib knitting machine, sliding latch needles, means for selectively projecting said needles part way to their clearing positions, a cam to the rear of said means for projecting said partly projected needles to their clearing positions, another cam also to the rear of said means for returning the partlyprojecting needles toward their rest positions, said two cams being movable into and out of action, and a cam to the rear of said two cams movable into and out ,of action for projecting needles of said bed to their clearing positions, the last mentioned cambeing located so far to the rear of said two cams as to be able to project needles returned toward their rest positions by the second mentioned cam.
  • sliding latch needles diifering among themselves in form, the needles of different forms being intermixed in at least one of the needle banks, means at each of two feeds for selectively projecting the needles of said needle bank part way to their clearing positions, a cam to the rear of each of said means for projecting the partly projected needles to their clearing positions, a cam to the rear of each of said means for returning the partly projected needles toward their at rest positions, a needle-projecting cam at one feed, to the rear of the aforementioned cams of that feed, operable to project said needles of one form to clearing positions, and a needle-projecting cam at the other of said feeds, to the rear of the aforementioned cams of said another feed, for projecting said needles of another form, said cams being movable toward and from their operating positions.
  • cam means for projecting the needles of one needle bank to .clearing position, a stitch cam associated therewith, a pattern mechanism to control selective knitting by the needles of the other needle bank, a second stitch cam on the first mentoned needle bank in advance of the first mentioned stitch cam thereof, said second mentioned stitch cam being movable into and out of operating-position, a yarn changer in the feed containing said cams, and means associated with the yarn changing mechanism for having the second mentioned stitch cam in action while yarns are being changed.
  • a circular rib knitting machine adapted to knit a plurality of kinds of plain rib fabric and also to knit a fabric patterned on its face by selective lmitting from a plurality of yarns, means for feeding a plurality of yarns simultaneously, a plurality of stitch-forming elements at each of the needle beds diflering among themselves in form at each bed, a plurality of cams to actuate said stitch-forming elements of one of the beds to causeknitting thereat, a plurality of cams to actuate said stitch-forming elementsof the other of said beds to cause knitting thereat in cooperation with the knitting at the first mentioned bed, each of said plurality of cams including at least one cam operable on stitchforming elements of one form and another-cam operable on stitch-forming elements of another form, means to render at least said another cams ineflective without rendering said one cams ineflective, the said one cam of both beds being capable of being effective while said another cam of both beds is ineffective, means to render said one cam of both beds ineffective when

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Sewing Machines And Sewing (AREA)
US459339A 1930-06-05 1930-06-05 Circular knitting machine Expired - Lifetime US2082127A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US459339A US2082127A (en) 1930-06-05 1930-06-05 Circular knitting machine
DE1930606249D DE606249C (de) 1930-06-05 1930-06-25 Rundstrickmaschine mit einem oder mehreren Nadelbetten
GB20660/30A GB365031A (en) 1930-06-05 1930-07-08 Improvements in or relating to circular knitting machines
BE380355D BE380355A (de) 1930-06-05 1931-06-05
FR729552D FR729552A (fr) 1930-06-05 1931-06-05 Machine à tricoter circulaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US459339A US2082127A (en) 1930-06-05 1930-06-05 Circular knitting machine

Publications (1)

Publication Number Publication Date
US2082127A true US2082127A (en) 1937-06-01

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Application Number Title Priority Date Filing Date
US459339A Expired - Lifetime US2082127A (en) 1930-06-05 1930-06-05 Circular knitting machine

Country Status (5)

Country Link
US (1) US2082127A (de)
BE (1) BE380355A (de)
DE (1) DE606249C (de)
FR (1) FR729552A (de)
GB (1) GB365031A (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2534724A (en) * 1948-02-28 1950-12-19 Jacquard Knitting Machine Co Inc Controller
US2615319A (en) * 1947-06-24 1952-10-28 Levin Nathan Knitting machine and method
US2639596A (en) * 1950-03-28 1953-05-26 Scott & Williams Inc Circular knitting machine having a latch lifter and method of operating same
US2667769A (en) * 1950-11-01 1954-02-02 Scott & Williams Inc Pattern means for circular knitting machines and method of operating same
US2705410A (en) * 1949-03-15 1955-04-05 Ordnance Gauge Company Knitting machine
US2861443A (en) * 1957-07-09 1958-11-25 Wildman Jacquard Co Controller for knitting machine
US3023595A (en) * 1958-05-23 1962-03-06 Wildman Jacquard Co Controller for knitting machines
CN107687049A (zh) * 2017-08-25 2018-02-13 王源源 选线器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115341326B (zh) * 2022-08-30 2024-03-08 安徽京九丝绸股份公司 一种丝绸面料织造设备及方法

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615319A (en) * 1947-06-24 1952-10-28 Levin Nathan Knitting machine and method
US2534724A (en) * 1948-02-28 1950-12-19 Jacquard Knitting Machine Co Inc Controller
US2705410A (en) * 1949-03-15 1955-04-05 Ordnance Gauge Company Knitting machine
US2639596A (en) * 1950-03-28 1953-05-26 Scott & Williams Inc Circular knitting machine having a latch lifter and method of operating same
US2667769A (en) * 1950-11-01 1954-02-02 Scott & Williams Inc Pattern means for circular knitting machines and method of operating same
US2861443A (en) * 1957-07-09 1958-11-25 Wildman Jacquard Co Controller for knitting machine
US3023595A (en) * 1958-05-23 1962-03-06 Wildman Jacquard Co Controller for knitting machines
CN107687049A (zh) * 2017-08-25 2018-02-13 王源源 选线器
CN107687049B (zh) * 2017-08-25 2023-01-03 王源源 选线器

Also Published As

Publication number Publication date
GB365031A (en) 1932-01-08
DE606249C (de) 1934-12-01
FR729552A (fr) 1932-07-26
BE380355A (de) 1931-07-31

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