US2810360A - Ornamental stitch sewing machines - Google Patents

Ornamental stitch sewing machines Download PDF

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Publication number
US2810360A
US2810360A US473855A US47385554A US2810360A US 2810360 A US2810360 A US 2810360A US 473855 A US473855 A US 473855A US 47385554 A US47385554 A US 47385554A US 2810360 A US2810360 A US 2810360A
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Prior art keywords
cam
needle
cams
arm
lever
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US473855A
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English (en)
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Perla Martin Richard
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Singer Co
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Singer Co
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Priority to NL202646D priority Critical patent/NL202646A/xx
Application filed by Singer Co filed Critical Singer Co
Priority to US473855A priority patent/US2810360A/en
Priority to GB34262/55A priority patent/GB779048A/en
Priority to CH342453D priority patent/CH342453A/de
Priority to FR1140901D priority patent/FR1140901A/fr
Application granted granted Critical
Publication of US2810360A publication Critical patent/US2810360A/en
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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B19/00—Programme-controlled sewing machines

Definitions

  • This invention relates to improvements in ornamental stitch sewing machines and has for an object to provide such a machine with novel mechanism whereby the machine can be made to produce a large number of ornamental designs without any change in the construction of the machine.
  • a more specific object of the present invention is to provide a zigzag stitch type ornamental sewing machine with a plurality of different response producing records for controlling the actions of the zigzag stitch mechanism and means whereby such records may be selectively employed in different combinations for effecting various patterns of ornamental stitches.
  • a more specific object of the present invention is to provide a zigzag stitch sewing machine with novel mechanism including a plurality of rotary pattern cams and a plurality of cam tracking devices which function singularly or in combination to impart sidewise zigzag motions to the needle.
  • a zigzag type sewing machine in addition to a removable rotary pattern cam located outside the confines of a sewing machine frame, with a nest of five rotary pattern cams which are secured together and rigidly mounted upon a cross-shaft which carries the usual removable cam.
  • This nest of pattern cams is disposed within the confines of a sewing machine frame and it is not adapted normally to be removed from the machine by the operator.
  • This machine is further provided with a first cam follower which is adapted to track the removable cam for the purpose of converting the rotary cam motions into lateral needle motions.
  • the machine is provided with five supplementary cam followers of which each is adapted to track a respective one of the five nested pattern cams. These six cam followers are so arranged that any combination thereof may be operably positioned against their respective associated cams so that various combinations of cam pattern movements may be transmitted to the needle-bar, during a continuous predetermined stitching cycle.
  • Fig. 1 represents a side elevation, partly in section, of a sewing machine containing the present improvements.
  • Fig. 2 represents a rear side elevation of the bracketarm of the machine disclosed in Fig. 1.
  • Fig. 3 represents a top plan view of a portion of the bracket-arm with the bracket-arm cover removed.
  • Fig. 4 represents, on an enlarged scale, a sectional view taken substantially along the line 44 of Fig. 3.
  • Fig. 5 represents, on an enlarged scale, a sectional view Fig. 6 represents a left-hand end view of the sewing machine disclosed in Fig. 1 but with the face plate removed.
  • Fig. 7 represents, on an enlarged scale, a sectional view taken substantially along the line 77 of Fig. 3.
  • Fig. 8 represents, on an enlarged scale, a sectional View taken substantially along the line 88 of Fig. 3.
  • Figs. 9 and 10 respectively represent detail views of the needlegate and its vibrating pitman and diagrammatically illustrate the effects of the pitman controlling mechanism which causes the needle to vibrate across and from one side of the neutral position of nonvibration of the needle.
  • Figs. 11 and 12 respectively represent cross-sectional views of the adjusting shaft and supporting bushing with the neutral position controlling lever at different limits of movement in the respective views.
  • Fig. 13 represents a modified form of rotary cam.
  • the sewing machine illustrated has a bed-plate 15 aifording a work support from one end of which rises the hollow standard 16 of a bracket-arm 17 overhanging the bed-plate and terminating at its free end in a hollow head 18.
  • the bracket-arm 17 is open at its upper portion so as to form a substantially trough-shaped unit and this opening, designated in Fig. 3 by the numeral 19, is adapted to be closed by means of a cover-plate 20 which is removably secured in position by a plurality of screws of which one, 21, is shown in Fig. 1.
  • a horizontally disposed main shaft 22 extending lengthwise of the bracket-arm and carrying at one end a driving pulley 23.
  • the main shaft 22 carries a counter-balanced crank 24 provided with a crank-pin 25 connected by a jointed link 26 to a collar 27 secured upon a vertically disposed needlebar 28.
  • This needle-bar mechanism is located within the hollow head 18 which is closed at its forward end by means of a face-plate 29.
  • the needle-bar 28 carries at its lower end an eyepointed needle 30 and is journaled for endwise reciprocation in bearings provided in a substantially T-shaped vibratory needle-bar gate 31.
  • the gate 31 is pivotally hung upon a pair of oppositely disposed pintle screws 3232 supported within apertures provided in the op-. posite wall portions of the hollow head 18 so as to provide for swinging movements of the gate about a substantially horizontally disposed axis.
  • a loop-taker 33 Cooperating with the needle 30 below the bed-plate 15 and in the formation of lock stitches is a loop-taker 33 supported for rotation in a vertical plane parallel to and rearwardly of the plane of needle vibration.
  • the looptaker 33 is rotated twice for each complete needle reciproeation by driving connections with the main shaft 22.
  • Feeding mechanism of the lower four-motion type is provided for advancing work past the needle in a direction transverse to the plane of needle vibration, and a presserfoot 34 is secured to a presser-bar 35 so as to oppose the work-engaging portion of the feeding mechanism in a conventional manner.
  • a boss 40 Extending horizontally from an intermediate portion of the needle-bar gate 31 is a boss 40 to which is pivotally secured by means of a clamp-screw 41 one end portion of a' link or pitman member 42.
  • the ,pitman 42 is disposed horizontally and externally at the rearward side of the bracket-arm 17. As is best disclosed in Fig.
  • the other end of the pitman 42 is pivotally connected -hymeans of a shoulder screw 43 to a link member 44, the upper end portion of which is formed in the manner ofa fork so as to provide two spaced arms 45 and 46 of which each is apertured, as at 47, so as to be pivotally connected by means of a pin 48 to one end portion 49 of a cam-actuated bell-crank lever which also receives the pin 48.
  • a set screw 50 threaded within the arm portion -46 locks the pin 48 in its proper position within the forked end portions of the link 44.
  • the lever 49 is pivotally mounted within the bracketarm 17 by means of a horizontal stub shaft 51 which extends transversely across the sewing machine bracket-arm to be received within oppositely disposed apertures 52 and 53 formed in the bracket-arm walls.
  • Aset screw 54 locks the shaft 51 in its proper position within the bracket-arm.
  • a second arm 60 Projecting upwardly and laterally from the bell-crank arm 49 is a second arm 60 carrying an offset portion 61 which extends through an aperture 62 formed within the cover-plate 20 so as to be positioned outside the confines of the sewing machine frame.
  • the arm portion 61 is provided with a cam follower, generally designated by the numeral 63, which cam follower will be hereinafter described in further detail.
  • the cam follower 63 is forced into engagement with'the periphery of a rotary cam 64 by means of a leaf spring 65 of'which one end portion is secured by means of screws 66, 66 to a cross brace 67 formedwithin the sewing machine bracket-arm, while the other end portion is formed as an upturned hook 68 which is disposed directly beneath the left-hand end portion of the bell-crank lever arm 49, as viewed in Fig. 1, so as to bias the lever in a clockwise direction thereby to urge the cam follower 63 downwardly into engagement with the periphery of the cam 64.
  • the cam 64 is provided with an aperture 69 so that the "cam may be removably disposed over the threaded end portion 70 and against the shouldered portion 71 of a cam shaft 72.
  • the cam shaft 72 has its end shoulder portion 71 provided with a pin 73 which is received within an aperture 74 for the purpose of locating the cam in its proper position upon the cam shaft 72.
  • a thumb screw 75 is adapted to be received over the threaded end portion 70 of the cam shaft for the purpose of locking the cam 64 :inits operable position against the shoulder 71.
  • the cam shaft 72 is journaled in the front and rear walls of the bracket-arm 17 in bearing bushings 76 and 77, said cam shaft 72 being-disposed above and horizontally transverse to the main shaft 22.
  • a spiral .gear 78 carried by the main shaft 22 drives a spiral gear 79 secured upon the cam shaft 72 whereby the latter is rotated, for example, at one-eighteenth the speed of rotation of the main shaft 22.
  • a pin 81 which guide block is shiftably disposed within a guideway 83 constituted by a rearwardly open slot formed on the outer or rearwardly exposed face of an arcuatelyand bodily adjustable guide head 84.
  • the guideway 83 and the block 80 preferably have straight sides but, if desired, the guideway and the block may each be arcuate with its center of curvature in one position of the guide 83 lying in the pivotal axis of the pitrnan 42 afforded by its pivotal connection 41 with the needle-bar gate 31.
  • the guide head 84 extends freely through an opening 85 in the rear wall of the bracket-arm 17 whereby the portion of the guide head containing the guideway 83 is disposed at the rear of the bracket-arm.
  • the guide head 84 is secured by a screw 86 upon an adjusting shaft 87 disposed parallel to the cam shaft 72 and having its longitudinal axis in substantially the horizontal plane.
  • the adjusting shaft 87 of the guide head 84 is rotatably journaled in a bearing sleeve 88 in the form of a hollow shaft telescopically arranged in a coaxial relation with the adjusting shaft 87 and supported for turning and bodily lateral movements thereof by a supporting member in the form of a fixed bushing 89 secured by oneor more screws, not herein shown, in a bearing boss 90 provided in the front wall of the bracket-arm 17.
  • the opposite ends of the bearing sleeve 88 are fitted to slide in parallel guide slots 91, 91 provided at the opposite ends of the bushing 89, such guide slots being elongated in a direction corresponding to the general direction of the center line of the guideway 83 at its limit of angular movement in which the needle has its maximum lateral throw.
  • the guide slots 91, 91 therefore confine the bearing sleeve 88 and the adjusting shaft 87 journaled in the bearing sleeve through lateral movements in a path corresponding to the path of movement of the block 80 in the guideway 83 at the limit of angular movement of the guide head 84 influencing maximum vibration of the needle.
  • an eccentric 93 is secured by a set screw, not herein shown, :uponthe bearing sleeve 88 Within the ends of the latter.
  • the eccentric 93 is disposed within a recess 94 provided in the bushing 89 between the ends of the bushing containing the guide slots 91, 91, the opposed and parallel walls 95 which (see Figs. 11 and 12) define the recess 94 being substantially transverse to the length of the guide slots 91, 91 diametrically of the bushing.
  • the front end of the bearing sleeve 88 extends beyond the front end of a bushing 89 and rigidly carries an operating arm 96 disposed externally of the front wall of the bracket-arm 17.
  • the front end of the adjusting shaft 87 extends forwardly beyond the front end of the bearing sleeve 88 and secured thereto by means not herein described, is a hand lever 98 operable to turn angularly the guide head 84 and thereby change the amplitude of needle vibration.
  • the member 96 has cooperating therewith an indicia plate 99 having, as best disclosed in Figs. 1, 7 and 8, three indicia characters 100, 101 and 102 of which the character 100 indicates the central or null position of the needle illustrated by the solid lines of Figs. 9 and 11, while the character 101 indicates an extreme left-hand adjustment of the needle as indicated by the solid lines of Figs. 10 and 12. Character 102 illustrates the extreme right-hand position of the needle which is not illustrated in the present drawings.
  • the fulcrum axis of the adjusting shaft 87 is disposed at mid-position of its movement within the inclined slots 91, 91 of the bushing 89 and the nonvibration path of the needle is located centrally of its field of vibration as illustrated in Fig. 9 of the drawings.
  • the index arrow 105 carried by the handle 99 in this position of the lever 96, and when the hand lever 98 employed to control the vibration amplitude of the needle is disposed in its lower position as indicated in Fig. 1, the index arrow 105 carried by the handle 99 (see Fig.
  • said lower point and the guide block 80 has a path of travel bearing from its neutral path P P t o its path P P of maximum influence upon the pitman 42, the neutral'path of reciprocation of the needle being entirely at the left-hand side of its field of vibration as shown in Fig. 10.
  • the present machine as so far described is characterized by having a rotary pattern-cam 64 which is adapted to impart lateral zigzag movements to the needle 30.
  • This cam mechanism is designed in such a manner that various cams may be substituted for the purpose of providing different types of ornamental zigzag stitches.
  • the cam 64 disclosed in Figs. 9 and 10 of the patent drawings is adapted to produce a conventional zigzag stitch whenever the handle 98 is shifted away from its zero position, but, of course, other cams having different peripheral configurations may be substituted for the cam 64 so as to produce various types of motion patterns for the needle.
  • the present machine is provided with means for altering the amplitude oflateral needle vibration and for varying the null or nonvibration position of the needle.
  • the various selected cams may be employed for imparting divers patterns of lateral motion to the needle but at the same time the amplitude of this motion, as well as the nonvibration position of the needle, may be varied by movement of the handles 96 and 98.
  • a cam follower lifting device in the form of a hand lever 106 whose intermediate portion is apertured at 107 so that the member may be rotatably secured upon a pin 108 mounted within an aperture 109 formed in the portion 61 of the bell-crank lever arm 60.
  • the lifting lever 106 is provided at its lower end with a finger portion 110 which, when the lever is turned in a counterclockwise direction as viewed in Fig. 4, is adapted to engage an inclined abutment block 111 formed upon the side wall of the bracket-arm 17.
  • the lever 106 is provided with a pair .of detent-receiving notches 112 and 113 which are adapted to receive a detent pin 114 slidably disposed within an aperture 115 formed within the member 61.
  • a spring 116 located within the bore 115 urges the detent 114 toward the lever 106 while a set screw 117 maintains the spring in its proper position. From this it is to be understood that the detent-receiving notches 112 and 113 respectively lock the handle member 106 in its operative or inoperative positions relative to the inclined abutment block 111.
  • cam follower 63 is formed upon the lower portion of a hand lever 120 which, like the cam follower lifter lever 106, is apertured as at 121 so as to be pivotally secured upon the. pin 108 carried by the member 61.
  • the member 120 is also provided with a pair of detent-receiving notches 122 and 123 of which each is. adapted to be engaged by a detent member 124 located within a bore 125 of the member 61 so as to be biased by a spring 126 toward the member 120.
  • a set screw 127 maintains the spring 126 in its proper position.
  • the detent-receiving notches 122 and 123wi1l function respectively Ltomain tain the member 120 either in its inoperative or operative cam follower lever member l illh'aving a configuration and a construction substantially similar to that ofthe lever 120.
  • Fig. '3 it is to be observed that thereare five of these levers 140 of which each is pivotally mounted upon apin '141carried between spaced portions 142 and 143 of the hell-crank arm 60 so that each of the lever members l -itl'may be shifted about the pin in the same manner as the above noted lever member 120.
  • each of these levers 140 isra spring-biased detent pin, designated by thenum'era'l 141i, and each of these pins is constructed and is'adapted to operate in the exact same manner as is the .above 'not'ed pin I24.
  • Each of the members 140 is adapted to be shifted about the pin 1'41 independently of its associated members and it is designed in the manner of the aforesaid lever 120 to engage an oppositely disposed one of the five rotary cams 132 when the lever is in one position and to be disposed out of contact with the cam when the lever isin its retracted or inoperative position in the same manner as the lever arm 120.
  • the levers 140 function in the same manner as the lever 120 to cooperate with their oppositely disposed cams 132 and, as a matter of fact, an operator may select any one of the available six cams for operation at any one time or, in the alternative, any combination of these cams may be operatively employed simultaneously merely by throwing the appropriate lever arms into their operative positions.
  • the present machine is designed to produce a large number of different ornamental stitch patterns as dictated by the peripheral cam portions of the various six cams.
  • various combinations of these cams may be selected to operate in synchronisrn thus producing cam patterns which are distinctly different from any one of the individual cams themselves.
  • from one to six cams may be operated either'singularly or in various selected combinations.
  • the cam follower lifting member 106 when thrown to its operative position wherein its finger portion 110 is upon the inclined abutment member 111 functions to raise all of the six cam followers so that they will not engage any of the cams to the end that the followers will not engage the cams during straight stitching operations.
  • the hand control levers 96 and 98 which control the bight or amplitude of needlebar vibration will alter the effectiveness of the cams 132 in the exact same fashion that they affect the effectiveness of the cam 64 to the end that these cams may be rendered ineffective by positioning the bight control arm 93 in its so-called zero position, and the width of the stitch pattern produced by any one or a combination of these cams may be affected by the proper adjustment of the lever '96 in the fashion as described hereinabove in connection with the operation of cam 64.
  • connection means constitutes a transmission mechnism for jshifting'the needle sidewise in conformance with the integrated .record response, and the elements 96 and .98 constituteoperator-influenced means for varying theeffect of the various recordrcarryin'g means.
  • a needle-controlling cam may be admay be replacedlby a cam (see Fig. 13) which is provided with two notches 152 and 153, either of which may receive the cam-shaft locating pin 73.
  • these notches may be labeled on the cam by the letters A and B. From Fig. 13 it may be observed that the notches 1'52 and 153 are disposed adjacent dissimilar portions of the cam periphery so that the cam .150 may be mounted upon the shaft 72 in two different effective positions relative to the other cams- 132.
  • the cam '1'50 may be adjusted about the shaft '72 and relative to the cams 132 to the end that such an "adjustment will affect a new ornamental stitch,
  • cam 1'50s'o may be provided'in cam 1'50s'o as to provide for further adjustment of the cam about its shaft '72.
  • Such a relative phase shifting of the cams will result in an alteration of the integrated record response of the bell-crank lever arm 49 with the result that a different ornamental stitch will be produced.
  • An ornamental stitch sewing machine comprising,
  • An ornamental stitch sewing machine comprising,
  • a frame a needle mounted in said frame for endwise reciprocation and for sidewise movements transversely of the direction of reciprocation, means connected to said needle for shifting the needle sidewise, a plurality of cylindrical rotary cams mounted upon said frame for rotation about a fixed cormnon axis, means for rotating said cams in synchronism with the needle reciprocating movements, aiplur'ality of cam-tracking elements of which 75.,
  • the bell-crank lever mem ber 49-60' is essentially a mechanism for integrating a plurality of the record responses, while the pitman 421
  • the cam '64 For example, the cam '64,
  • An ornamental stitch sewing machine comprising,
  • a frame a needle mounted in said frame for endwise reciprocation and for sidewise movements transversely of the direction of reciprocation, a pitman connected to said needle for shifting the needle sidewise, a plurality of cylindrical rotary cams mounted upon said frame for rotation about a fixed common axis, means for rotating said cams in synchronism with the needle reciprocating movements, a plurality of cam-tracking elements each corresponding to a respective one of said cams means permanently aligning each of said elements to movement in a single plane, means connecting each of said elements with said pitman thereby to actuate the latter in response to movements of said cams, means for individually shifting each of said elements into and out of cam-tracking relation with its associated cam, said last mentioned means including a plurality of handles each being connected to a respective one of said cam-tracking elements, and spring means carried by said frame and biasing said cam-tracking elements toward engagement with said cams.
  • An ornamental stitch sewing machine comprising, a frame, a needle mounted in said frame for endwise reciprocation and for sidewise movements transversely of the direction of reciprocation, a pitman connected to said needle for shifting the needle sidewise, a plurality of cylindrical rotary edge cams mounted on said frame for'rotation about a fixed common axis, means for rotating said cams in synchronism with the needle reciprocating movements, a plurality of cam-tracking elements all pivotally mounted about a common axis with each element corresponding to a respective one of said cams, means permanently aligning each element in radial relation with a respective one of said cylindrical cams, means connecting each of said elements with said pitman thereby to actuate the latter in response to movements of said cams, means for individually shifting each of said elements about said common axis and relative to its associated elements and into and out of cam-tracking position, said last mentioned means including a plurality of handles all pivotally mounted about a common axis and each being connected to a respective one of said camtracking elements
  • ornamental stitch sewing machine comprising, a frame, a needle mounted in said frame for endwise reciprocation and for sidewise movements transversely of the direction of reciprocation, a pitman connected to said needle for shifting the needle sidewise, a lever pivotally mounted on said frame and about a fixed axis and connected with said pitman by means of a link, a plurality of rotary cams mounted upon said frame for rotation about a fixed common axis, means for rotating said cams in synchronism with the needle reciprocating movements, a plurality of cam-tracking elements all pivotally mounted about a common axis with each element corresponding to a respective one of said cams, means permanently aligning each of said elements in radial relation with a respective one of said cams, means connecting each of said elements with said lever so as to shift the latter about its axis in response to the move ments of said cams, means for individually shifting each of said elements about said common axis and relative a hollow bracket-arm terminating at its free end in a head, a needle mounted
  • cam-tracking elements all disposed within said bracket-arm with each element corresponding to a respective one ofsaid cams, means supporting each of said elements upon said frame for shifting movements relative to and independently of its associated elements, means'permanently aligning each of said elements for tracking and responding to its associated cam, means connecting each of said cam-tracking elements with said lever so as to shift the latter about its axis in response to thetmovements of said cams, means for individually shifting each of said cam-tracking elements into and out of cam-tracking relation with its associated cam, said last mentioned means including a plurality of handles of which each is carried upon said lever and is connected to a respective one of said cam-tracking elements and projects out of the bracket-arm through an aperture provided in the bracket-arm, and, springmeans carried upon said bracket-arm and biasing said cam-tracking elements toward engagement with said cams.
  • An ornamental stitch sewing machine comprising, a hollow bracket-arm terminating at its free end in a head, a needle mounted in said head for endwise reciprocation and for sidewise movements transversely of the direction of reciprocation, a rotary shaft extending lengthwise of and within said bracket-arm and connected with said needle for reciprocating the latter, a pitman connected to said needle for shifting the needle sidewise, a lever pivotally mounted within said bracket-arm and about a fixed axis and connected with said pitman by a link, a cam shaft mounted within said bracket-arm and transversely of said rotary shaft, gears operatively connecting said two shafts, a plurality of rotary cylindrical edge cams disposed within said bracket-arm and mounted upon and for rotation with said cam shaft, a plurality of cam-tracking elements disposed within said bracket-arm with each of said elements being carried by said lever and corresponding to a respective one of said cams for tracking the same, means supporting each of said elements upon said lever for shifting movements relative to and independently of its associated elements,
  • An ornamental stitch sewing machine comprising, a hollow bracket-arm terminating at its free end in a irec on rec p o t n, w o: h t ar tsn es lengthwise df'and within said manta-m andiconne'ctedf withj said needle for reciprocating-thelatter; a "pitman connected to said needle.
  • said lever so as to shift the latter about its axis 'iniresponse to the movements of said cams, meansfor individually pivoting each of said elements about said common axis thereby to shift such element into and out of cam-tracking position with its associated cam, said last mentioned means including a plurality of handles of which each is carried 'upon said lever and is connected to a respective one of said elements and projects out of the bracket-arm through an aperture provided in the bracket-arm, spring means carried by said bracket-arm and biasing said elements toward engagement withsaid cams, a pin carried by said pitman, an angularly adjustable guideway carried byjsaid bracket-arm and receiving said pin for translating lateral vibrations of the pitman into endwise movements, and means mounted upon said bracket-arm for angularly adjusting said guideway thereby to alter thepattern of endwise pitman movements.
  • An, ornamental stitch sewing machine comprising, a frame, a needle mounted in' saidvframe for endwise reciprocation and for sidewise movements transversely of the direction of reciprocation, a plurality of adjacently disposed rotary edge cams mounted on said frame for rotation about a common axis, means for rotating said cams in synchronism with the needle reciprocating movements, a lever ,pivotally secured upon said frame and about an axis disposed in parallel relation with the cam axis, and being connected with said needle so -as to shift,
  • a spring carried by said frame and biasing said lever toward saidcams, aplurali'ty of camtracking elements pivotallymoun-ted upon said lever and about a common axis disposed in parallelism with said cam axis with each element corresponding to a respective one of said cams, means permanently aligningeach'of said elements in radial relation with a respective one of said edge cams, and means for individually pivoting each of said cam-tracking elements about-its axis thereby to shift such element into and out of, cam-tracking position with its associated edge cam, said last mentioned means including a-plurality of handles of'which each is connected to a respective one of said elements.
  • An ornamental stitch sewing machine comprising, a frame, a needle mounted in said frame for endwise reciprocation and for sidewise movements transversely of the direction'of reciprocation, a pair of rotary .cams mounted upon said frame, means rotating said cams in sates-as synchronism with the needle, reciprocating movements,
  • camftracking means carried-bysaid frame for tracking and'responding to said-pair of cams during a continuous predetermined stitching cycle, transmission mechanism cionnecting 'said ,cam-trackingmeans with said needle forshift'ing'-said needle sidewise in conformance with the combined cam responses-of said cam-tracking means, andj'means enabling said two cams to be phase-shifted relativelto each other thereby to alter the stitch patterns performed by the needle.
  • An ornamental stitch sewing machine comprising, a frame, a needle mounted in said frame for endwise reciprocation and for, sidewise movements transversely of the direction of reciprocation, a pair of rotary edge cams mounted upon said frame and about a common axis, means rotating said cams in synchronism with the needle reciprocating movements during a continuous pre determined stitching cycle, cam tracking means carried by said frame for tracking and responding to both of said cams during said continuous cycle, transmission mechanism connecting said cam tracking means with said needle for shifting said needle sidewise in conformance with the combined cam responses of said carntrackingmeans, and means enabling one cam to be relocated about said common cam axis and relative to its associated cam thereby to alter the stitch patterns p6 formed by the needle.
  • An ornamental stitch sewing machine comprising, a frame, a needle mounted in said frame for endwise reciprocation and for sidewise movements transversely of the direction of reciprocation, an oscillatable lever. pivotally mounted about an axis fixed by said frame, said leverconnectedto said needle for. shifting the latter sidewise, aplurality of cylindrical rotary edge cams mounted upon said frame for rotation about a fixed common'axis,

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US473855A 1954-12-08 1954-12-08 Ornamental stitch sewing machines Expired - Lifetime US2810360A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL202646D NL202646A (enrdf_load_stackoverflow) 1954-12-08
US473855A US2810360A (en) 1954-12-08 1954-12-08 Ornamental stitch sewing machines
GB34262/55A GB779048A (en) 1954-12-08 1955-11-30 Ornamental stitch sewing machine
CH342453D CH342453A (de) 1954-12-08 1955-12-06 Zierstich-Nähmaschine
FR1140901D FR1140901A (fr) 1954-12-08 1955-12-07 Machine à coudre à points d'ornement

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US473855A US2810360A (en) 1954-12-08 1954-12-08 Ornamental stitch sewing machines

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US2810360A true US2810360A (en) 1957-10-22

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US473855A Expired - Lifetime US2810360A (en) 1954-12-08 1954-12-08 Ornamental stitch sewing machines

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US (1) US2810360A (enrdf_load_stackoverflow)
CH (1) CH342453A (enrdf_load_stackoverflow)
FR (1) FR1140901A (enrdf_load_stackoverflow)
GB (1) GB779048A (enrdf_load_stackoverflow)
NL (1) NL202646A (enrdf_load_stackoverflow)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920589A (en) * 1956-07-09 1960-01-12 Greist Mfg Co Rufflers
US2934029A (en) * 1957-03-26 1960-04-26 Nils T Almquist Embroidery attachment for sewing machines
US2999471A (en) * 1956-10-09 1961-09-12 Pfaff Ag G M Adjustable guiding cam mechanism
US3012442A (en) * 1958-07-15 1961-12-12 Grunke Erich Manually operable pattern selector device for an ornamental stitch sewing machine
US3025809A (en) * 1959-01-02 1962-03-20 Singer Mfg Co Automatic ornamental stitch sewing mechanisms
US3037471A (en) * 1958-11-24 1962-06-05 Pfaff Ag G M Means for controlling the stitch width on zig-zag sewing machines
US3041988A (en) * 1958-09-12 1962-07-03 Sanwa Mishin Seizo Kabushiki K Ornamental-stitch changing mechanisms in zigzag stitch sewing machine
US3085526A (en) * 1960-01-19 1963-04-16 Riccar Sewing Machine Co Ltd Sititch pattern control means for zigzag sewing machine
US3113536A (en) * 1960-10-27 1963-12-10 Singer Co Sewing machine for automatic embroidery stitching
US3113538A (en) * 1960-12-05 1963-12-10 Singer Co Pattern cam selecting mechanism for zigzag sewing machines
US3143985A (en) * 1958-03-19 1964-08-11 Pfaff Ag G M Ornamental seam devices for sewing machines
US3159442A (en) * 1960-03-11 1964-12-01 Nat Res Dev Production of thin films
US3217677A (en) * 1958-10-20 1965-11-16 Janome Sewing Machine Co Ltd Ornamental stitch sewing machine
DE1218267B (de) * 1958-02-13 1966-06-02 Anker Phoenix Naehmaschinen Ag Zickzacknaehmaschine
CN1676718B (zh) * 2004-03-29 2010-09-01 兄弟工业株式会社 缝纫机

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US2134417A (en) * 1936-07-07 1938-10-25 Reece Button Hole Machine Co Button sewing machine
US2590907A (en) * 1947-05-23 1952-04-01 William R Donaldson Sewing machine
US2600543A (en) * 1944-12-28 1952-06-17 Husqvarna Vapenfabriks Ab Zigzag sewing machine
US2662424A (en) * 1950-02-03 1953-12-15 Smal Gilles Machine for the shaping of metal pieces, more particularly of saw teeth
US2669204A (en) * 1950-02-25 1954-02-16 Urscheler Emil Sewing machine with zigzag attachment
US2693778A (en) * 1952-06-06 1954-11-09 Harris Carl Embroidering mechanism for zigzag sewing machines

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GB190819184A (en) * 1908-09-12 1909-06-24 James Magowan Improvements in Zig-zag or Variable Stitch Sewing Machines such as are generally used in the Production of Embroidery Work.
US1118411A (en) * 1913-05-28 1914-11-24 Josef Granz Mechanism for the transmission of movements.
US2134417A (en) * 1936-07-07 1938-10-25 Reece Button Hole Machine Co Button sewing machine
US2600543A (en) * 1944-12-28 1952-06-17 Husqvarna Vapenfabriks Ab Zigzag sewing machine
US2590907A (en) * 1947-05-23 1952-04-01 William R Donaldson Sewing machine
US2662424A (en) * 1950-02-03 1953-12-15 Smal Gilles Machine for the shaping of metal pieces, more particularly of saw teeth
US2669204A (en) * 1950-02-25 1954-02-16 Urscheler Emil Sewing machine with zigzag attachment
US2693778A (en) * 1952-06-06 1954-11-09 Harris Carl Embroidering mechanism for zigzag sewing machines

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920589A (en) * 1956-07-09 1960-01-12 Greist Mfg Co Rufflers
US2999471A (en) * 1956-10-09 1961-09-12 Pfaff Ag G M Adjustable guiding cam mechanism
US2934029A (en) * 1957-03-26 1960-04-26 Nils T Almquist Embroidery attachment for sewing machines
DE1218267B (de) * 1958-02-13 1966-06-02 Anker Phoenix Naehmaschinen Ag Zickzacknaehmaschine
US3143985A (en) * 1958-03-19 1964-08-11 Pfaff Ag G M Ornamental seam devices for sewing machines
US3012442A (en) * 1958-07-15 1961-12-12 Grunke Erich Manually operable pattern selector device for an ornamental stitch sewing machine
US3041988A (en) * 1958-09-12 1962-07-03 Sanwa Mishin Seizo Kabushiki K Ornamental-stitch changing mechanisms in zigzag stitch sewing machine
US3217677A (en) * 1958-10-20 1965-11-16 Janome Sewing Machine Co Ltd Ornamental stitch sewing machine
US3037471A (en) * 1958-11-24 1962-06-05 Pfaff Ag G M Means for controlling the stitch width on zig-zag sewing machines
US3025809A (en) * 1959-01-02 1962-03-20 Singer Mfg Co Automatic ornamental stitch sewing mechanisms
US3085526A (en) * 1960-01-19 1963-04-16 Riccar Sewing Machine Co Ltd Sititch pattern control means for zigzag sewing machine
US3159442A (en) * 1960-03-11 1964-12-01 Nat Res Dev Production of thin films
US3113536A (en) * 1960-10-27 1963-12-10 Singer Co Sewing machine for automatic embroidery stitching
US3113538A (en) * 1960-12-05 1963-12-10 Singer Co Pattern cam selecting mechanism for zigzag sewing machines
CN1676718B (zh) * 2004-03-29 2010-09-01 兄弟工业株式会社 缝纫机

Also Published As

Publication number Publication date
GB779048A (en) 1957-07-17
CH342453A (de) 1959-11-15
FR1140901A (fr) 1957-08-21
NL202646A (enrdf_load_stackoverflow)

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