US3065716A - Design stitching sewing machine - Google Patents

Design stitching sewing machine Download PDF

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Publication number
US3065716A
US3065716A US847585A US84758559A US3065716A US 3065716 A US3065716 A US 3065716A US 847585 A US847585 A US 847585A US 84758559 A US84758559 A US 84758559A US 3065716 A US3065716 A US 3065716A
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cam
needle bar
amplitude
adjusting
shaft
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Vigorelli Luigi
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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B19/00—Programme-controlled sewing machines

Definitions

  • This invention relates to sewing machines and more particularly to a new and improved sewing machine adapted for embroidery or design stitching sewing and capable of automatically performing an exceptionally wide variety of ornamental stitching covering a substantial width of fabric at the sides of the line defined by the direction of feeding of same fabric under the operation of stitch forming means, namely of needle or needles, and looper means.
  • FIGURE 1 illustrates, in front elevation and partially in a vertical sectional view along the lines indicated at 1a, 1b and 1c in FIG. 3 and with parts broken away, the drive mechanism of the invention and part of the link means driven thereby;
  • FIGURE 2 is a front elevational view of the panel including the operator-controlled means
  • FIGURE 3 illustrates the cam means and part of the operator-controlled means, in a vertical sectional view taken on line 33 of FIG. 1;
  • FIGURE 4 is a perspective view of the sewing machine showing a preferred general arrangement of the various operator-controlled means and of the elements designed to directly act on the cloth;
  • FIGURE 5 is a View from above and partly a horizontal sectional view of the drive means and of some manually operated control means;
  • FIGURE 6 is a front elevational and partly a sectional view of the driving and adjusting means of the workpiece support
  • FIGURE 7 illustrates, in vertical longitudinal sectional view and on an enlarged scale, feeding means including the feed-dog
  • FIGURE 8 illustrates, in a vertical cross-sectional view, the drive means and the feed adjusting means.
  • the mechanism of the invention is arranged in the column 20 of a con- 3,065,716 Patented Nov. 27., 1962 ventionally shaped sewing machine casing, and the various manually operated means designed for controlling the various adjustments are located on a front panel 21 forming the front face of column 20 and provided with a hinged door 22 located in front of the grouped cam means, 23.
  • the cam means 23 is detachably mounted on a tubular shaft 24 rotatably supported on a bearing shaft 25 secured to a part 26 made integral with the frame structure of the sewing machine, a radial pin 27 being pro vided for connecting said cam means 23 with tubular shaft 24.
  • Such shaft 24 is made integral with the driven portion 28 of a conventionally constructed one-way coupling means having an outer driving portion 29 which may be drivingly engaged with an inner driven portion 28 when rotated in direction D only (FIG.
  • the ornamental embroidery machine of the invention is provided with a laterally oscillatable needlebar (FIG. 4) adapted for carrying one needle 106, or more needles, which may be laterally reciprocated by a conventional mechanism including an eccentric cam 32 reciprocating in directions A'-A", a fork 33, the said cam 32 being driven by main shaft 34 of the machine, by means of a gearing 34a or other conventional; drive means.
  • the said cam follower fork 33 is made integral with a device 35 having a U-shaped frame supporting a rod 36 along which a slide member 37 isslidable.
  • Slide 37 is pivotally connected to a pitman 38 included in the linkage for providing a driving connection to the needle bar, whereby upon adjustment of slide 37 in the direction B or B along rod 36 the amplitude of lateral reciprocation of needle bar may be increased or' decreased or eliminated.
  • the mechanism will not be more fully described, as appertaining to the art of zigzag machines, and might be differingly constructed, according to current knowledge.
  • the machine is provided with feed-dog means 107, reciprocating driven by conventional means including devices for adjustment of the amplitude and direction of feeding, and with a laterally slidable central portion 108 of a workpiece support or cloth-table 109 wherein the said feed-dogs are guided for laterally shifting the fabric.
  • the main cam means 23 includes a group of coaxial interconnected cams for automatically controlling the needle bar oscillation amplitude, the adjustment of the feeding means and for reciprocating the workpiece support, according to a cycle including a number of stitches depending upon the amplitude of pulses in direction D transmitted to said cam means, further adjusting means being provided for operator-controlled adjustment of said amplitude and number of stitches.
  • the drive assembly includes a V-shaped device 39, which is reciprocated about .a shaft 40 at constant amplitude from main shaft 34, by cam means in directions E'-E" and provided with a rod 41 along which a slide 42 is slidably movable.
  • the upper end of a pitman link 44 is pivotally connected at 43 to said slide 42 and the lower end of same link 44 is journalled at 45 to a brace 46 of the driving portion 29 of the one-way coupling device 28, 30, 29.
  • the ampli-- tude of motion of pivotal point at 43 may be varied at will or made zero, if desired, and as a consequence thereof the turning angle in direction D of cam means 23 can be adjusted.
  • Such adjustment may be done by operating on a knob 47' (FIGS. 2, 3 and 4) connected to a shaft 48 which is connected to. a lever 49 controlling the position of slide 42Vby means of a link 50.
  • a small sign plate 51 (FIG. 2) on the face of said knob 47 indicates the operation of the adjusting means controlled by said knob by suggesting to the operator the variation of the number of stitches included in each repeated pattern of ornamental stitching obtainable by the action of the cams actually operative in the machine.
  • the cam group at 23 includes a cam 52 having an outer cam track 53 which defines the amplitude and the direction of motion of the feed-dog means and .
  • a cam groove 54 defining the lateral shifting of the slidable work-piece support or work plate, and a cam 55 having an outer cam track 56 related to the cycle of adjustment of the zig-zag device.
  • the cams are preferably but not necessarily detachably connected.
  • the cam 52 is provided with a center sign plate 57 which may be observed through a circular window58 in door. 22 and which shows the pattern which may be obtained by the cam. Cam.
  • f-Cam track 53 of cam 52 cooperates with a cam follower.
  • 61 (FIG. 1) adjustably supported at one end portion of. a-two-armed L-shaped lever 62, 63 pivoted at 64, the other end of which acts on a lever 65 pivoted at 66 and pivotally connected to a link 67 whose lower end is connected to mechanism for controlling the feed-dog amplitude and direction of motion, hereinafter described. Therefore, as cam track 53 moves the lever 62, 63 in directions I'-I", the link 67 will be subjected to a corresponding motion L'L which varies the feeding action of feed-dog means on the cloth being sewed.
  • the amplitude of such automatic control may be varied at will by operating a knob 68 on panel 21, connected to an eccentric cam 70 by means of a shaft 69 and which may urge said two-armed lever in direction I" causing the cam follower 61 to penetrate in part only in the hollows of cam track 53.
  • a sign plate 71 (FIG. 2) on knob:68 visualizes the control effect obtained thereby, by suggesting the variation of length of each stitch.
  • the pivot 64 of two-armed lever 62, 63 is supported by a plate lever 72 pivoted at 73 to the frame structure of the machine and provided with a groove 74 wherein a pin 75 supported by the free end of a lever 76 is slidably engaged.
  • lever 76 is connected to anoperator-controlled knob 78 (FIG. 2) on panel 21.
  • knob 78 By acting on said knob 78, the pivot 64 may be so moved that the cam follower 61 is caused to fully disengage from the track 53, to inactivate the described mechanism for regular forward constant feeding of the cloth. This does not alter the operation of eccentric 70 in the direction I, so that the elements controlled by knob 68 operate as a conventional feed'control means, i.e. for variation of the length of any stitch.
  • the cam groove 54 of cam 52 actuates the source of motion of the laterally shiftable work piece support.
  • a cam follower pin 79 is engaged in said cam groove and secured to the upper end of a two-armed lever 80, 81 freely pivoted about the same pivotal axis at 73 as plate 72 and whose lower end portion is connected by hereinafter described links to the laterally shiftable work plate portion 108.
  • Such linkage includes adjusting means described below, which may be connected to a link 82 (the upper part of which is shown in FIG. 1) and controlled, by a small arm lever 83, a shaft 84 and a knob 85 (FIG. 2). on control panel 21.
  • the knob is provided with a sign plate 86 visualizing the operation of said adjusting AZ- means, by suggesting the variable amplitude of the lateral shifting of the cloth being sewed, due to the lateral motion of said work plate which guides the feed-dog for reciprocating feeding movement.
  • Cam track 56 of cam 55 controls the zig-zag mechanism by acting on a cam follower 87 adjustably supported at the free end of an arm lever 88 which is freely pivotable about a shaft 89 and drivingly connected, by means of a link 90, to the right end of a two-armed lever 91, 92 freely pivotable about the axis of shaft 48 of knob 47.
  • the left end of lever 91, 92 is drivingly connected by means of another link 93 to the right end of pitmaii 38 which is connected to the slide 37 of the zigzag amplitude adjusting mechanism.
  • the maximal amplitude of such action may be controlled by acting on a knob 95 on panel 21, provided with a sign plate 96 (FIG. 2) visualizing its relation with the zig-zag amplitude control and connected, by means of same shaft 89, to an eccentric cam 97 designed for downwardly urging the left arm 92 of the two-armed lever.
  • a conventional device, not shown, is controlled by a small lever-shaped handle 98, is provided for the right centre-left field displacement of the needle bar.
  • the described mechanism for controlling the zig-zag amplitude may be inactivated by operation of a further knob'99'on the panel 21, the rotation in direction G (FIG. 1) of which, by means of a shaft 100, an arm 101 and a link 102, causes the pivotal connection at 103 of link to arm 91 of twoarmed lever 91, 92 to move to the left in a slot 104 provided in said arm 91, for disengaging the cam follower 87 from the cam track 56.
  • the inactivation of the zigzag controlling automatic mechanism does not affect the operator-controlled adjustment of the amplitude of needle bar oscillation by acting on knob 95, owing to the constant engagement of eccentric 97 with the arm portion 92 of the two-armed lever 91, 92.
  • the machine of the invention has the advantage of an exceptionally simple operation, not withstanding the unavoidable multiplicity of the various knobs. All the knobs are arranged on one panel, that the knobs relating to lateral shifting (of needle bar and of work plate) are set on the left side, those related to longitudinal adjustments (number of stitches in any cycle and length of each stitch) at the centre, and those related in activation of the automatic control at the right.
  • the knobs related to devices in the upper part of the machine i.e.
  • FIG. 6 The group of links and mechanical components provided for connecting the driving cam group of the centralized assembly of FIG. 1 to the laterally slidable workpiece support or work-plate 108 is shown in FIG. 6, wherein the lower portion of the said cam group is illustrated too, and which is to be intended as being a lower continuing illustration thereof.
  • the lower end portion of the down-turned arm 81 of the two-armed L-shaped lever 80, 81, is directly driven by cam 54, and pivotally connected at 111 to a link 112 which, upon reciprocation of said two-armed lever, reciprocates a U-shaped device 113 about a horizontal axis at 114.
  • Said device includes a rod 115 on which a slide member 116 is slidably mounted, member 116 being pivotally connected at 117 to the right end portion to a pitman arm 118 pivotally connected at 119 to a brace member 120 fixedly secured below the right end portion 121 of the laterally slidable work-plate 108.
  • the said right portion 121 is concealed beneath the column 20 of the machine, so that notwithstanding the reciprocation of work-plate 108 no opening of variable size will appear on the surface of the clothtable 109 whose central longitudinal portion is formed by plate 108.
  • the work-plate 108 upon reciprocation of said two-armed lever 80, 81, responsive tothe shape of groove-cam 54, the work-plate 108 will be correspondingly reciprocated in the horizontal directions MM.
  • the amplitude of such reciprocation may be adjusted by modifying the distance between pivotal connection 117 on slide 116 and the axis of oscillation of the device 113, and made zero by coaxially locating said pivotal connection and said axis.
  • the said adjustment is controlled by knob 85 (FIGS. 2 and 4) which, by means of the described shaft and linkage 84, 83 and 82 and a further small link 122, is connected to the pitman 118 at a point of its right end portion for causing an upward or downward adjustment N or respectively N".
  • the pivotal means 123 between the small link 122 and the lower end portion of link 82 is guided along an areshaped path by a guide lever 124 having a right end portion pivotally connected at 123 to link 82 and a left end portion pivoted at 125 to a down-turned brace member 126 secured to the cloth-table frame structure 127.
  • the said laterally slidable work-plate 108 is connected to the cloth-table frame structure 127 by means of a pair of spaced bolts 128 (FIG. 6) and 129 (FIG. 7) adjustably mounted in the right and respectively in the left portion of work-plate 108 and provided with cylindrical stem portions slidably located in elongated guide grooves 130 and 131 in the cloth-table structure 127
  • FIG. 7 some details of the device including the feeddog member 107 are illustrated.
  • the feed-dog is guided in a conventional plate 132 detachably connected to workplate 108 by means of a conventional slide-button 133 at tachment means and provided with an elongated slot 134 the major dimension of which, in a direction parallel to the direction of reciprocation of slidable work-plate 108, corresponds to the greatest possible amplitude of reciprocation plus the greatest spacing between the two or three needles which might be secured to need7e bar, so that the shifting of work-plate 108 will not disturb or interfere with the regular sewing operation of needle or of needles actually working in the machine.
  • the cloth presser-foot 135 of the machine is provided with an elongated slot 136 the elongation of which corresponds to the greatest possible amplitude of lateral vibration of the needle bar.
  • the presser foot to be applied to machines improved according to the present invention by a slidable work-table 108 is preferably provided with slanting surfaces 137 and 138 at both lateral ends of slot 136 thereof, in consideration of the fact that the cloth is caused to laterally move beneath the presser foot. This feature prevents catching of the cloth under the presser foot, by facilitating the motion of said cloth by the slant in the lower face of said presser foot.
  • FIG. 8 the details of the automatic and operator controlled adjustment of the feeding means are shown.
  • the feed-dog means are driven by means of conventionally constructed driving means (which are not shown) of the type wherein the longitudinal reciprocation of the feeddog is caused by the reciprocation of a shaft 139 and the up-and-down reciprocation is caused, by means of an eccentric (not shown), driven by a shaft 140 which usually drives the looper means too.
  • rotating shaft 140 is connected to an eccentric cam 141 arranged for co-operation with a fork member 142 made integral with a U-shaped device 143 for reciprocation thereof at constant amplitude of motion about an axis at 143a.
  • device 143 includes a rod 144 along which is slidably guided a slide member 145 to which, at 146, is pivotally. connected the left end portion of a pitman 147 having its right portion pivotally connected at 143 to an arm member 149 secured to said reciprocating shaft 139.
  • shaft 139 is reciprocated by reciprocation of fork member 142 and the amplitude and the direction of its reciprocation may be adjusted by varying the interval and respectively the position, above or below, of pivotal connection 146 with respect to the axis 143a of reciprocation of fork member 142.
  • An automatic variation, according to a cycle defined by the shape of cam 53 (FIG. 1) is attained by the linkage including the two-armed lever 62, 63 (FIGS. 1, 6 and 8), lever 65 and link 67 (whose lower end portion is pivotally connected at 150, FIG. 8, to left portion of pitman 147) so that cam follower 61 (FIG. 1) operates said pitman lever 147 and therefore controls slide member 145.
  • FIG. 8 a particularly advantageous operator controlled device for temporary reverse feeding of the cloth is shown.
  • the device includes a press-button 152 on the right front portion of cloth-table 109 (FIG. 4) and forming of the upper end portion of a rod 153 slidably traversing the cloth-table structure 127 and having a lower end portion downwardly acting at 154 on the right end portion of a two-armed lever 155 pivotally supported at 156 below the structure 127.
  • the operator-controlled temporary back-feeding of cloth may be varied at will by means of another ancillary feature of the invention, including a screw-threaded upper portion 160 of the press-button forming rod 153, and of a screw-threaded ring member 161 threaded on portion 160.
  • a screw-threaded upper portion 160 of the press-button forming rod 153 and of a screw-threaded ring member 161 threaded on portion 160.
  • the ring acts as a stop member for defining the amplitude of downward motion S which might be imparted by the operator to press-button 152 and, therefore, of the downward displacement of the pivotal connection at 146 below axis 143a and the consequent amplitude of back-feeding of cloth as resulting by pressure on button 152 until abutment of ring 161 of the surface of cloth-table.
  • the preferred embodiment of the invention comprises the following elements: a main shaft 34, a needle bar 105 longitudinally reciprocated from the main shaft to produce stitches, operating means 32, 33, 38 driven from the main shaft 34 for oscillating the needle bar in a transverse oscillating motion in synchronism with the stitch-forming longitudinal reciprocation of the needle bar 105, the operating means including first adjusting means 36, 37 for varying the amplitude of the stroke of the transverse oscillating motion, cyclically operating control means 23 including a control shaft 25, and a first cam 55, a second cam 53 and a third cam 54 secured to the control shaft 25 for rotation therewith, first cam follower 87 and linkage means 88, 92, 93 controlled by the first cam and connected to the adjusting means 110, 39, 42, 43, 44, 24, 28 connecting the main shaft 34 with the control shaft 25 and including a manually operated member 42, 4-7, 49 for adjusting the transmission of the transmission means so that each revolution of the control shaft 25 and of the cams
  • the present invention includes a plurality of advantageous features, and it will be understood that each of the new features described and any combination thereof may also find useful application in other constructions of embroidery sewing machines diifering from the one described.
  • a main shaft a needle bar longitudinally reciprocated from said main shaft to produce stitches
  • operating means driven from said main shaft for oscillating said needle bar in a transverse oscillating motion in synchronism with the stitch-forming longitudinal reciprocation of said needle bar, said operating means including first adjusting means, for varying the amplitude of the stroke of said transverse oscillating motion; cyclically operating control means including a control shaft, and a first cam, a second cam and a third cam secured to said control shaft for rotation therewith; first cam follower and linkage means controlled by said first cam and connected to said adjusting means for operating the same; variable transmission means connecting said main shaft with said control shaft and including a manually operated member for adjusting the transmission ratio of said transmission means so that each revolution of said control shaft and of said cams is completed after turning of said main shaft through an angle selected by operation of said manually operated member corresponding to a selected number of stitches and transverse oscillations of said needle bar whereby an embroidery pattern having a cycle
  • a machine as set forth in claim 1 including a housin for said control means; a control panel on said housing; and wherein said manually operated means and said manually operated member include knobs mounted on said panel and having identifying indicia suggesting associated operations.
  • a main shaft a needle bar
  • operating means connecting said main shaft with said needle bar for effecting synchronous longitudinal reciprocation and transverse oscillating motion of said needle bar, and including first adjusting means for varying the amplitude of said transverse oscillating motion
  • a reciprocable workpiece supporting means movable in a transverse oscillating motion and located in the region of said needle bar for transversely oscillating a workpiece under said needle bar
  • actuating means connected to said work piece supporting means for oscillating the same
  • cyclically operating control means operatively connected to said first adjusting means and to said actuating means for operating the same
  • variable transmission means connecting said main shaft with said control means and including a manually operated memher for adjusting the transmission ratio of said transmiss1on means so that each cycle of said control means and thereby each cycle of the composite embroidery pattern obtained by the simultaneous cyclic variations of the amplitudes of the transverse needle bar oscillation and of the transverse oscillations of the workpiece can
  • a main shaft a needle bar
  • operating means connecting said main shaft with said needle bar for effecting synchronous longitudinal reciprocation and transverse oscillating motion of said needle bar, and including first adjusting means for varying the amplitude of said transverse oscillating motion
  • a reciprocable workpiece supporting means movable in a transverse oscillating motion and located in the region of said needle bar for transversely oscillating a workpiece under said needle bar
  • actuating means connected to said workpiece supporting means for oscillating the same and including second adjusting means for adjusting the amplitude of said transverse oscillating motion of said workpiece supporting means
  • cyclically operating control means including.
  • variable transmission means connecting said main shaft .with said control shaft and including a manually operated member for adjusting the transmission ratio of said transmission means so that each revolution of said control shaft and cam means cycle of said control means and thereby each cycle of the composite embroidery pattern obtained by the simultaneous cyclic variations of the amplitudes of the transverse needle bar oscillation and of the transverse oscillations of the workpiece can be controlled to extend over a selected number of stitches and transverse oscillating motions of said needle bar.
  • a main shaft a needle bar
  • operating means connecting said main shaft with said needle bar for elfecting synchronous longitudinal reciprocation and transverse oscillating motion of said needle bar, and including first adjusting means for varying the amplitude of said transverse oscillating motion
  • a reciprocable workpiece supporting means movable in a transverse oscillating motion and located in the region of said needle bar for transversely oscillating a workpiece under said needle bar
  • actuating means connected to said workpiece supporting means for oscillating the same and including second adjusting means for adjusting the amplitude of said transverse oscillating motion of said workpiece supporting means
  • feeding means for feeding the workpiece and being guided in said work support means; third adjusting means for adjusting the amplitude of the reciprocating motion of said feeding means; cyclically operating control means operatively connected to said first adjusting means, said actuating means, and said third adjusting means for operating the same; manually operated means connected to said second adjusting means for operating the same
  • a main shaft a needle bar
  • operating means connecting said main shaft with said needle bar for effecting synchronous longitudinal reciprocation and transverse oscillating motion of said needle bar, and including first adjusting means for varying the amplitude of said transverse oscillating motion
  • a reciprocable workpiece supporting means movable in a transverse oscillating motion and located in the region of said needle bar for transversely oscillating a workpiece under said needle bar
  • actuating means connected to said workpiece supporting means for oscillating the same and including second adjusting means for adjusting the amplitude of said transverse oscillating motion of said workpiece supporting means
  • cyclically operating control means including a control shaft, two cam means secured to said control shaft, and first and second cam follower means for operating with said cam means and operatively connected to said first adjusting means and to said actuating means for operating the same; first manually operated means connected to said first cam follower means for operator-controlled inactivation of the same; second manually operated means connected to said
  • a main shaft a needle bar
  • operating means connecting said main shaft with said needle bar for effecting synchronous longitudinal reciprocation and transverse oscillating motion of said needle bar, and including first adjusting means for varying the amplitude of said transverse oscillating motion; a reciprocable workpiece supporting means movable in a transverse oscillating motion and located in the region of said needle bar for transversely oscillating a workpiece under said needle bar; actuating means connected to said workpiece supporting means for oscillating the same; second adjusting means for adjusting the amplitude of said transverse oscillating motion of said workpiece supporting means; feeding means for feeding the workpiece and being guided in said work supporting means; third adjusting means for adjusting the amplitude of the reciprocating motion of said feeding means; cyclically operating control means; first, second, and third linkage means for connecting said cyclically operating control means with said first adjusting means, said actuating means, and said third adjusting means, respectively; first manually operated
  • a main shaft a needle bar
  • operating means connecting said main shaft with said needle bar for effecting synchronous longitudinal reciprocation and transverse oscillating motion of said needle bar, and including first adjusting means for varying the amplitude of said transverse oscillating motion; a reciprocable workpiece supporting means movable in a transverse oscillating motion and located in the region of said needle bar for transversely oscillating a workpiece under said needle bar; actuating means connected to said workpiece supporting means for oscillating the same; second adjusting means for adjusting the amplitude of said transverse oscillating motion of said workpiece supporting means; feeding means for feeding the workpiece and being guided in said work supporting means; third adjusting means for adjusting the amplitude of the reciprocating motion of said feeding means; cyclically operating control means including a control shaft, and first, second and third cam means on said control shaft; first, second, and third linkage means including cam follower means and connecting said first, second and third cam means with said first

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US847585A 1958-10-21 1959-10-20 Design stitching sewing machine Expired - Lifetime US3065716A (en)

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IT797511 1958-10-21

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US (1) US3065716A (fr)
CH (1) CH371669A (fr)
FR (1) FR1240241A (fr)
GB (1) GB925372A (fr)
NL (1) NL244529A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580199A (en) * 1968-05-08 1971-05-25 Luigi Vigorelli Embroidery stitching sewing machine
US3834334A (en) * 1973-06-14 1974-09-10 Singer Co Work feed control mechanism
ITBO20080442A1 (it) * 2008-07-12 2010-01-13 Mafram Macchine S R L Meccanismo per l'oscillazione alternata di un complesso ago-piedino di trasporto in una macchina da cucire

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE537121A (fr) *
US2755754A (en) * 1952-05-12 1956-07-24 Turissa Nachmaschinenfabrik A Sewing machine with zigzag arrangement
FR1153315A (fr) * 1956-05-15 1958-03-05 Mach A Coudre Cosson Perfectionnements aux machines à coudre
CH330083A (fr) * 1956-02-18 1958-05-31 Mefina Sa Machine à coudre
US2854935A (en) * 1953-11-19 1958-10-07 Pfaff Ag G M Automatic shifting mechanism for sewing machines adapted for embroidery work
US2900937A (en) * 1953-06-18 1959-08-25 Gegauf Fritz Ag Sewing machines
US2905119A (en) * 1953-04-11 1959-09-22 Vittorio Necchi Societa Per Az Zigzag control device for sewing machines
US2966868A (en) * 1954-06-18 1961-01-03 Anker Werke Ag Zigzag sewing machine
US2971482A (en) * 1955-06-02 1961-02-14 Nippon Sewing Machine Mfg Co L Automatic zigzag-stitch sewing machine
US2972319A (en) * 1954-08-06 1961-02-21 F Ili Borletti S P A Apparatus for obtaining in a zig-zag sewing machine an automatic displacement of thefabric apt to be amplitude adjusted
US2976830A (en) * 1954-04-05 1961-03-28 Vigorelli Arnaldo Ornamental stitch sewing machine

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE537121A (fr) *
US2755754A (en) * 1952-05-12 1956-07-24 Turissa Nachmaschinenfabrik A Sewing machine with zigzag arrangement
US2905119A (en) * 1953-04-11 1959-09-22 Vittorio Necchi Societa Per Az Zigzag control device for sewing machines
US2900937A (en) * 1953-06-18 1959-08-25 Gegauf Fritz Ag Sewing machines
US2854935A (en) * 1953-11-19 1958-10-07 Pfaff Ag G M Automatic shifting mechanism for sewing machines adapted for embroidery work
US2976830A (en) * 1954-04-05 1961-03-28 Vigorelli Arnaldo Ornamental stitch sewing machine
US2966868A (en) * 1954-06-18 1961-01-03 Anker Werke Ag Zigzag sewing machine
US2972319A (en) * 1954-08-06 1961-02-21 F Ili Borletti S P A Apparatus for obtaining in a zig-zag sewing machine an automatic displacement of thefabric apt to be amplitude adjusted
US2971482A (en) * 1955-06-02 1961-02-14 Nippon Sewing Machine Mfg Co L Automatic zigzag-stitch sewing machine
CH330083A (fr) * 1956-02-18 1958-05-31 Mefina Sa Machine à coudre
FR1153315A (fr) * 1956-05-15 1958-03-05 Mach A Coudre Cosson Perfectionnements aux machines à coudre

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580199A (en) * 1968-05-08 1971-05-25 Luigi Vigorelli Embroidery stitching sewing machine
US3834334A (en) * 1973-06-14 1974-09-10 Singer Co Work feed control mechanism
ITBO20080442A1 (it) * 2008-07-12 2010-01-13 Mafram Macchine S R L Meccanismo per l'oscillazione alternata di un complesso ago-piedino di trasporto in una macchina da cucire

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Publication number Publication date
FR1240241A (fr) 1960-09-02
NL244529A (fr)
GB925372A (en) 1963-05-08
CH371669A (it) 1963-08-31

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