US2488095A - Spiral stitching sewing machine - Google Patents

Spiral stitching sewing machine Download PDF

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Publication number
US2488095A
US2488095A US625380A US62538045A US2488095A US 2488095 A US2488095 A US 2488095A US 625380 A US625380 A US 625380A US 62538045 A US62538045 A US 62538045A US 2488095 A US2488095 A US 2488095A
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Prior art keywords
work
sewing machine
frame
rack
pivot
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US625380A
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English (en)
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Myers Walter
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Singer Co
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Singer Co
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Priority to US625380A priority Critical patent/US2488095A/en
Priority to GB5234/46A priority patent/GB608320A/en
Priority to CH251628D priority patent/CH251628A/de
Priority to DEP30240D priority patent/DE830287C/de
Application granted granted Critical
Publication of US2488095A publication Critical patent/US2488095A/en
Anticipated expiration legal-status Critical
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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B23/00—Sewing apparatus or machines not otherwise provided for
    • D05B23/001—Straw hat sewing machines
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B21/00—Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. programme-controlled for sewing collars, for attaching pockets
    • D05B21/005—Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. programme-controlled for sewing collars, for attaching pockets to obtain spiral seams

Definitions

  • This invention relates to sewing machines and more particularly to sewing machines of the type adapted for effecting the production of spiral stitching.
  • this type of machine is used extensively in stitching together the plurality of plie-s of material which together form the hat-brim.
  • the various plies of material comprising the hat-brim are superposed upon each other and then sewed together throughout the entire area of the brim by uniformly spaced stitches arranged, preferably, in an elliptical spiral form.
  • such a pattern of stitching has been attained mechanically by employing a sewing machine having a reciprocatory needle and a complemental loop-taker, a four-motion feeddog, a presser-foot and a work-holder including a pivot about which the hat-brim may turn as such pivot i-s slowly shifted relative to the needle by operating mechanism including a lead-screw; which operating mechanism is directly connected to the actuating mechanism of the sewing machine, or to a separate source of power such as an individual electric motor.
  • the salient defect of this machine has been that when the work-advancing movement of the sewing machine feeddog is adjusted to a different stitch length, a lead-screw having a pitch suitable for the adjusted stitch-length must be substituted in the operating mechanism. In other words, a different lead-screw must be provided for each stitch-length to which the sewing machine feeding mechanism may be adjusted.
  • Another object of the present invention is to provide a machine of the type in question which will automatically function to properly direct the Work to the needle and which will automatically come to rest at the end of the sewing operation.
  • a still further object of the present invention is to provide a conventional sewing machine with a work-feeding attachment designed to be rendered effective solely by the action of the sewing machine feed on the work for shifting the work relative to the needle thereby to effect the production of a spiral seam.
  • the invention comprises the devices, combinations and arrangements of parts hereinafter set forth and illustrated in the accompanying drawings of a preferred embodiment of the invention, from which the several features of the invention and the advantages attained thereby will be readily understood by those skilled in the art.
  • FIG. 1 is a front elevational view of a conventional sewing machine equipped with the preferred embodiment of the invention.
  • Fig. 2 is a top plan view of the mechanism shown in Fig. l, with a hat-brim clamped in proper position preparatory to the beginning of the stitching operati-on.
  • Fig. 3 is a bottom plan View of a portion of the machine and attachment shown in Fig. 1.
  • Fig. 4 represents a transverse vertical sectional View taken substantially along the line 4 4, Fig. 3.
  • Fig. 5 represents a transverse vertical sectional view taken substantially along the line 5-5, Fig. 3.
  • Fig, 6 represents a longitudinal vertical sectional view taken substantially along the line 6 6, Fig. 3.
  • Fig. '7 is a view in elevation and partly in section, showing one form of means for clamping the hat-brim to the work-pivot spindle, so that the action of the regular sewing machine feed on the hat-brim will effect a rotation of the pivot-spindle.
  • Fig. 8 represents a bottom plan view, partly in section, of the rack in its retracted position.
  • Fig. 9 represents a bottom plan View of the pivot-feeding gearing, with the shifting lever thereof in a position such that the elliptical spiral stitching is applied from the rim of the hat-brim toward the center thereof.
  • Fig. 10 represents three change gears the substitution in the gear train of any one of which will effect the spacing between the convolutions of the spiral seam.
  • Fig. 11 represents a fragmentary vertical sectional view taken substantially along the line Il-l I, Fig. 2, showing, in full lines, the normal relative positions of the parts of the stop-motion mechanism to effect the tripping of the sewing machine drive and, in dotted lines, the deflecting of certain of the stop-motion components by the sewing machine when the latter is lowered to its normal operating position after the sewing machine has been tilted back to replenish the bobbin or the like.
  • Fig. 12 represents a vertical sectional view taken substantially along the line i2-l2, Fig. 3.
  • Fig. 13 represents a bottom plan View of the gear-shifting lever.
  • Fig. 14 is a fragmentary top plan View similar to Fig. 2, but with the elliptical spiral stitching attachment removed from its cut-out in the tabletop and an insert substituted therefor, whereby the apparatus is converted into a conventional straightaway sewing machine.
  • Fig. 15 represents a bottom plan View of a vsimplified gear-train which is adapted to feed the pivot-spindle in one direction only.
  • Fig. 16 represents a fragmentary view of the work, showing the elliptical form of the spiral seam.
  • Fig. 17 represents a substitute form of cam which can be used in the attachment when it is desired to obtain an ornamental effect.
  • Fig. 18 represents a fragmentary view of the work obtained when the cam as shown in Fig. 17 is employed in the attachment.
  • the invention is disclosed as embodied in an attachment adapted for use with a conventional sewing apparatus including a table structure 20 provided with an opening 2
  • main-shaft 26 Journaled in the bracket-arm is the regular main-shaft 26 having secured to the standard-end thereof a pulley assembly including a fast pulley 21 integral with the usual balance- Wheel 28 and a loose pulley 29 freely journaled upon a reduced hub-extension (not shown) of the balance-Wheel 28, in a manner fully disclosed in my pending application Serial No. 598,949, filed June 12, 1945, now Patent No. 2,454,710 dated November 23, 1948. Power is applied to the mainshaft 26 by a belt 30 which may be driven by any suitable form of power-transmitter (not shown) preferably secured beneath the table top.
  • the main-shaft is suitably connected to endwise reciprocate a needle-bar 3i carrying at its lower end
  • the feeding mechanism includes a feed-advance and -return rock-shaft 34 and a feed-lift rockshaft 35 (Fig. 3), both of the rock-shafts 34 and 3.5 being operatively connected to a transverse feed-bar 36 to which is secured a common form of feed-dog 31 (Fig. 14) disposed to operate through feed-dog slots 38 in the throat-plate 39.
  • a common form of feed-dog 31 Fig. 14
  • the usual pressure-foot 4D (Fig. 1) which is carried by the lower end of a spring--depressed presser-bar 4l endwise slidable in the head 25.
  • rIhe feeding mechanism and the means for operating the same are well known in the art, one form being disclosed, for example, in the patent to J. H. Stearns, No. 2,029,278, of Jan. 28, 1936. It may be mentioned as characteristic of feeding mechanisms of this type, that the actuating connections for the feed-advance and -return rock-shaft 34 include a feed-regulating device by which the length of the feeding stroke can be varied.
  • a suitable insert 42 (Fig. 14) which normally is disposed in that portion of the opening 2
  • the attachment comprises a rectangularly shaped bed 43 having a flat upper work-supporting surface substantially level with the top surface of the table 2U.
  • the bed 43 is supported at its front edge in the table-top opening 2i by the pads M and at its rear edge by the hinge-elements 45 adjustably received in suitable apertures 46 (Fig, 3) formed in the bed 43.
  • the work W to be stitched is supported to turn about a shifting center represented by the axis of a vertically disposed pivot-spindle 41.
  • the pivotspindle 41 is journaled in one end of a vibratory arm 48 freely fulcrumed at its other end on a vertical shaft 49 carried by a horizontally disposed supporting slide-frame 5U extending transversely of the bed 43.
  • the slide-frame 50 at its rear end is preferably formed with an extended boss 5
  • the slide-frame 59 is shaped to enter a guideway 55 defined by a machined surface 56 on the bed 43 and a gib 51 attached to the bed 43 by screws 58. While I have illustrated the slide-frame 5E as being supported at one end by a guide-rod 52 and at its other end by a slideway 55, it will be appreciated that other means may be utilized to sustain the slide-frame, as for example by two slide-rods, one supporting each end of the slide-frame.
  • the work or hat-brim W to be stitched is suitably apertured, as shown in the full line in Fig. 16, snugly to embrace the periphery of a turn-table in the form of a work-positioning block 59 (Fig. 4) secured by screws 6l) upon a collar fast on the pivot-spindle 41.
  • Attached to the under side of the block 59 is a plate 62 extending beyond the block.
  • the inner marginal edge of the hat-brim W is clamped on the plate 62 by an inverted cup-shaped upper clamp-element 63 forced into work-clamping cooperation with the plate 82 by a thumb-nut 84 threaded on the pivotspindle 41.
  • the speed-reducing gearing for effecting the shifting or translating movement of the slide-frame 58 comprises a spur gear 65 integral with the lower end of the pivot-spindle 41, which spur gear 65 meshes ⁇ with a gear 68 press-fitted upon the reduced hub of a pinion 81, the gear and pinion assembly 68, 61 being freely journaled on a shouldered stud 68 threaded into one limb of a substantially Y- shaped gear-shifting lever 69.
  • the gearshifting lever 69 With the gearshifting lever 69 positioned as shown in Fig. 3, the pinion 61 meshes with a gear 10 (Fig.
  • pivot-spindle 41 has secured thereon a Vcam-element 18 having formed in its bottom face a suitably shaped cam-groove 11 into which projects a follower-stud 18 (Figs. 3 and 4) secured on the slide-frame 59.
  • Vcam-element 18 will likewise rotate and, through the cam-groove 11 and follower-stud 18, will simultaneously cause the vibratory arm 48, which carries the pivot-spindle 41, to swing about theshaft 49.
  • Fig. 1'7 illustrates a cam-element 18 cut with a sinuous cam-groove 11 and when this cam-element is used in the mechanism, an ornamental seam such as shown in Fig. 18 is obtained.
  • the character of the cyclically varying displacement of the pivot-spindle 41 relative to the slide-frame 59 determines the shape of the seam-pattern (circle, ellipse, etc.) and that the uniformly varying displacement of the slide-frame 50 relative to the stitching mechanism determines that the seam-pattern is open, as a spiral, and not closed, as a circle.
  • the pivot-spindle 41 would move relatively to the stitching mechanism at a uniformly varying displacement and the resultant seam-pattern produced would be a regular spiral.
  • the progressive shift of the slide-frame 59 is eliminated, as by removing one of the gears in the gear-train and holding 'the slide-frame 50 stationary, a closed seam-pattern will be developed, the character or shape of which will be dictated by the shape of the cam-groove 11. In the present case, the closed stitch-pattern would be substantially an ellipse.
  • the slideframe 59 (Fig. 2) and the pivot-spindle 41 will be moved in a direction to carry the work W to the left.
  • the machine is automatically stopped. This is accomplished in the apparatus illustrated by providing a stop-motion mechanism (Figs. 1 and 2) comprising a trip-actuating arm 19 having its inner end upturned as at 89 to be contacted by the slide-frame 58 as the latter travels along its guide-rod 52 and away from the sewing machine.
  • the trip-actuating arm 19 at its outer end is adjustably clamped upon a longitudinal rod 8
  • a rearwardly extending trip-arm 85 Secured to that end of the rod ladjacent the standard 23 of the sewing machine is a rearwardly extending trip-arm 85 disposed to be moved into engagement with the lower end of one limb of a bellcrank latch-lever 88 pivotedat 81 on a supporting bracket 88.
  • the supporting bracket 88 preferably, is secured by screws 89 (Fig. 2) to a removable cover 90 attached to the back of the sewing machine bracket-arm 24.
  • the latch-lever 86 is biased in a counterclockwise direction, as viewed in Fig. l, by a spring 9
  • the belt-shipper rod M carries at its freeend a bifurcated belt-shipper member 91 of .which the spaced limbs straddle the ⁇ driving-belt. 30.
  • Fig. l the work W is shown in its -proper position to begin the stitching operation Aand the sewing machine is in its stop-position.
  • the throw-in -member 93 is grasped andl manually shifted from the full line position to the dotted line position, thus moving the brake-pad
  • 09 is provided with a depending jaw I
  • 13 is secured by a set-screw I4 to the lower end of a verticalY rock-shaft H5 journaled in an eccentric bushing Il clamped in the vise-block
  • 3 is preferably formed with a concentric vperiphery
  • the hand-lever I8 may be swung to the position shown in Fig. 3, thus causing the locking disk
  • the initial turning of the pivot-spindle 41 by the action of the sewing machine feeding mechanism on the work will cause the pinion 1
  • 22 will snap the rack 15 into its normal position determined by the vertical face I
  • 09 is clamped on the lug I
  • the limited adjustment provided by this mounting accommodates variations in production and also permits the substitution for the gear and pinion assembly 10, 1I of various other similar change-gear assemblies indicated generally as A, B and C in Fig. 10.
  • the large gears are identical with each other, but the pinions differ from each other as to the number of teeth.
  • the effect of substituting one gear assembly for another gear assembly is a change in the over-al1 gear ratio of the reduction gearing system and this results in an increase or decrease in the distance between the convolutions of the spiral seam.
  • I have formed in the vise-block
  • 0 of the bed 43 is Aalso provided with two sets of three holes
  • 1 can be tightened to lock the bushing IIB in its adjusted position, after which the locking-pin is removed.
  • the reduction gearing system as above described is adapted to cause the slide-frame 50 to move from a position close to the sewing machine to a position remote from the sewing machine.
  • the stitching is started adjacent the inner margin of the hat-brim and is terminated at the Outer margin of the hat-brim. It may be desirable to reverse this so that the stitching is started at the outer margin of the work and is ended at the inner margin.
  • Carried on the gear-shifting lever 59 are three intermeshing idler pinions
  • 33 is in constant mesh with the pinion 61 and, since the three pinions
  • a tractable detent in the form of a plunger
  • the rotation of the pivotspindle 41 is then transmitted through the gears S5, 66, 61,
  • the gear-shifting lever 69 is in the position shown in Fig. 3
  • the rotation of the pivot-spindle 41 is transmitted through the gears 65, 66, 61, 10, ⁇ 1
  • the stop-motion device with which the sewing machine is tted is adapted to be automatically operated by the slide-frame 50 when the latter is moving in a direction away from the sewing machine needle 32. When the direction of movement of the slide-frame is reversed, it is necessary to operate the stop-motion device by manually tripping the bell-crank latch-lever 86.
  • Figure 7 illustrates a second form of workvclamping means employed for fastening the work W to the rotary pivot-spindle 41.
  • This type of work-clamping means is preferred when the hat- ⁇ brim, instead of being formed with a large po- Y 11 sitioning opening, is provided with only a small center aperture
  • the clamping means illustrated in Fig. 7 includes a lower work-supporting plate
  • the work W is adapted to be clamped upon the plate M2 by an upper clamp-plate M4 adapted to be forced into work-clamping relation with the supporting plate M2 by the thumb-nut 64 threaded on the pivot-spindle 4l.
  • the latter is preferably formed with a cylindrical finger-piece 55.5 having at its upper end a peripheral ange lil@ which may be conveniently grasped by the operators fingers.
  • the pivot-spindle l? is formed with a fiat llil and the pivot-spindle receiving hole in the finger-piece
  • sewing machine illustrated in the accompanying drawings is of the conventional lock-stitch type, it is to be understood that the present attachment may be used in combination withv any one of the various types of sewing machines regularly used in the trade, such for example as the chainstitch, zigzag or hemstitch machine.
  • a work-feeding attachment in which the Work rotates about a center adapted for use with a sewing machine having work-feeding mechanism and stitch-forming devices including a needle comprising, a support, a frame movable on said support, an arm movable. relative to said frame, a pivot-element journaled in said arm, means for clamping the work to said pivot-element, and means actuated by the turning of said pivot-element for bodily moving the same relative to said sewing machine needle for producing a stitch-pattern having a plurality of spaced continuous convolutions.
  • a work-feeding attachment in which the work rotates about a center adapted for use with a sewing machine having Work-feeding mecha- ⁇ nism and stitch-forming devices including a needle comprising, a support, a frame movable on said support, first means for moving said frame, an arm movable on said frame, second means for moving said arm relatively to said frame, and av pivot-element journaled in said arm and providing a center about which the Work turns, said pivot-element being disposed so that the turning thereof actuates said first and second means to effect a bodily displacement of the pivot-element relative to said sewing machine needle.
  • a work-feeding attachment in which the work rotates about a center adapted for use with a sewing machinefhaving work-feeding mechanism and stitch-forming devices including a needle, comprising, a support, a frame movable on said support, means operable :for moving said frame, an arm movable on said frame, a cam for moving said arm relative to said frame, and a pivot-spindle journaled in said arm and providing a center about which the work turns, said pivotspindle being disposed so that the turning thereof actuates said means and said cam to effect a bodily displacement of said pivot-spindle relative to said sewing machine needle.
  • a work-feeding attachment in which the work rotates about a center adapted for use with a sewing machine having Work-feeding mechanism and stitch-forming devices including a needle, comprising, a support, a frame movable on said support, rst means including a gear system for moving said frame, an arm movable on said frame, second means effective for moving said arm relative to said frame, and a pivotspindle journaled in Said arm and providing a center about which the Work turns, said pivotspindle being disposed so that the turning thereof .actuates said rst and secondfmeans to effect a ⁇ displacement of Said pivot-spindle relative to said sewing machine needle.
  • a work-feeding attachment in which the work rotates about a center adapted for use with a sewing machine having work-feeding mechanism and stitch-forming devices including a needle, comprising, a support, a frame movable on said support, rst means including a gear system for moving said frame, an arm movable on said frame, a pivot-spindle journaled in said arm and providing a center about which the work turns, and a cam mounted on said pivot-spindle and effective for moving said arm relative to said frame, said pivot-spindle beingl connected so that the turning thereof actuates said gear system.
  • a work-feeding attachment in which the work rotates about a center adapted for use with a sewing machine having work-feeding mechanism and stitch-forming devices including a needle comprising, a support, a frame movable ⁇ on said support and fitted with a cam-follower, means including a gear system acting between said frame and said support for moving said frame, an arm fulcrumed on said frame, a pivot- Spindle journaled in said arm and providing a center about which the Work turns, and a cam mounted on said pivot-spindle and cooperating with said cam-follower for moving said arm relative to said frame, said pivot-spindle being arranged so that the turning thereof under the rotation of the work actuates said gear system.
  • a work-feeding means in which the work rotates-about a center adapted for use with a sewting machine having Work-feeding mechanism and ystitch-forming devices including a needle comprising, a support, a frame movable on said support, first means rendered effective by the action ⁇ of the sewing machine feed on the work for moving said frame relative to said support, means permitting an interruption in the driving relationship of said first means so that said frame desde may be manually moved, a center about which the work turns Supported by said frame and ymovable relative thereto, and second means for moving said center relative to said frame to effect the production of a predetermined stitch-pattern.
  • a work-feeding means in which the work rotates about a center adaptedfor use with a sewing machine having work-feeding mechanism and stitch-forming devices including a needle comprising, a bed having an upper work-supporting surface, a frame movable on said bed, rst means for moving said frame relative to said bed, manually controlled means accessible from the upper' work-supporting surface of said bed for interrupting the driving relationship of said first means so that said frame may be manually moved, a center about which the work turns supported by said frame and movable relative thereto, and second means for moving said center relative to said frame to effect the production of a predetermined stitch-pattern.
  • a work-feeding means adapted for use with a sewing machine having work-feeding mechanism and stitch-forming devices including a needle comprising, a bed having an upper worksupporting surface, a frame movable on said bed, means for moving said frame relative to said bed including a gear system carried by said frame, a rack disposed to mesh with one of the elements of said gear system and supported on said frame with capacity for movement into and out of meshing position, yielding means for urging said rack out of meshing position, and manually controlled means for moving said rack into its meshing posi.. tion and locking the same in said position.
  • a work-feeding means adapted for use with a sewing machine having work-feeding mechanism and stitch-forming devices including a needle comprising, a bed, a frame movable on said bed, means for moving said frame relative 1 to said bed including a gear system carried by said frame, a rack having an operative position in which it meshes with one of the elements of said gear system and a retracted position in which it is out of mesh with the element of said gear system, means supporting said rack and including a member having a rack-positioning face dening the operative position of said rack, spring means for urging said rack away from said rack-positioning face and into its retracted position, and manually controlled means for moving said rack against the action of said spring means into Contact with said rack-positioning face and locking the same against said face.
  • a work-feeding means adapted for use with a sewing machine having work-feeding mechanism and stitch-forming devices including a needle comprising, a bed, a frame movable on said bed, means for moving said frame relative to said bed including a gear system carried by said frame, a rack having an operative position in which it meshes with one of the elements of said gear system and a retracted position in which it is out of mesh with the element of said gear system, means supporting said rack and including a member having a rack-positioning face defining the operative position of said rack, irst spring means for urging said rack away from s id rack-positioning face and into a retracted position, a manually turna-ble locking disk adapted for moving said rack into contact with said rackpositioning face, and a second spring means stronger than said first spring means interposed between said locking disk and said rack.
  • a work-feeding means adapted for use with a sewing machine having work-feeding mechanism and stitch-'forming devices including a needle comprising, a bed, a frame movable on said bed, means for moving said frame relative to said bed including a gear system carried by said irame, a rack having an operative position in which it meshes with one of the elements of said gear system and a retracted position in which it is out of mesh with the element of said gear system, means supporting said rack and including a member having a rack-positioning face defining the operative position of said rack, means supporting said member for limited adjustment of said rack-positioning face, spring means for urging said rack away from said rack-positioning face and into its retracted position, and manually controlled means for moving said rack against the action of said spring means into contact with said rack-positioning face and locking the same against said face.
  • a work-feeding means adapted for use with a sewing machine having work-feeding mechanism and stitch-forming devices including a needle comprising, a bed, a movable work-holder having a center about which the work turns, a rack, means for moving said work-holder relative to said bed including a gear-system carried by said work-holder and meshing with said rack, said gear-system including a member carrying a plurality of gears and having an operating position in which less than all the gears carried by said member are in effective Yoperation and another operating position in which all the gears carried by said member are in effective operation, and means for actuating said gear-system.
  • a work-feeding means adapted for use with a sewing machine having work-feeding mechanism and stitch-forming devices including a needle comprising, a bed, a movable work-holder supported by said bed, a pivot-spindle carried by said work-holder and providing a center about which the work turns, a rack, means for moving said work-holder relative to said bed including a gear-system carried by said Work-holder and meshing with said rack, said gear-system including a gear fast on said pivot spindle, a member pivotally supported concentrically ofthe axis of said pivot-spindle and carrying a plurality of intermeshing gears driven by said pivot-spindle gear, said member having one operating position in which all the gears carried thereby are effective to drive said work-holder in one direction and another operating position in whichV less than all the gears carried thereby are effective to drive said work-holder in another direction, and means for driving said gear-system.
  • a work-feeding means in which the work rotates about a center for use with a sewing machine having work-feeding mechanism and stitchforming devices including a needle comprising, a bed, a frame movable on said bed, an arm movable on said frame, means for moving said arm relative to said frame, a pivot-spindle journaled in said arm and providing a center about which the work turns, a rack, means for moving said frame relative to said bed including a gear-system carried by said frame and meshing with said rack, said gear-system including a gear carried on said pivot-spindle, a member pivotally supported on said arm concentrically of the axis of said pivot-spindle and carrying a plurality of intermeshing gears driven by said pivot-spindle gear, said member having one operating position l5Y inwhich all the gears carried thereby are eiective to drive said pivot-spindle bodily in one direction and another operating position in which less than all the gears carried thereby are effective to drive said
  • a spiral stitching device for sewing machines comprising, a rotary Work-holder, supporting means providing for translatory movement of said rotary Work-holder, driving connections including a rack and pinion brought into elective action by rotation of said Work-holder for imparting translatory movement to the Workholder, and cam-controlled means also brought into effective action by rotation of said Workholder for modifying the effective action of said driving connections in imparting translatory movement to the Work-holder.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US625380A 1945-10-29 1945-10-29 Spiral stitching sewing machine Expired - Lifetime US2488095A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US625380A US2488095A (en) 1945-10-29 1945-10-29 Spiral stitching sewing machine
GB5234/46A GB608320A (en) 1945-10-29 1946-02-19 Spiral stitching sewing machine
CH251628D CH251628A (de) 1945-10-29 1946-04-11 Nähmaschine zur Herstellung von spiralig verlaufenden Nähten.
DEP30240D DE830287C (de) 1945-10-29 1949-01-01 Naehmaschine

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US625380A US2488095A (en) 1945-10-29 1945-10-29 Spiral stitching sewing machine
GB5234/46A GB608320A (en) 1945-10-29 1946-02-19 Spiral stitching sewing machine

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US2488095A true US2488095A (en) 1949-11-15

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US625380A Expired - Lifetime US2488095A (en) 1945-10-29 1945-10-29 Spiral stitching sewing machine

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US (1) US2488095A (de)
CH (1) CH251628A (de)
DE (1) DE830287C (de)
GB (1) GB608320A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2787229A (en) * 1955-06-22 1957-04-02 Medynski Joseph Spiral stitch sewing machine
US2863407A (en) * 1950-10-20 1958-12-09 Automatic Designing Corp Spiral sewing machine
CN110965213A (zh) * 2019-12-26 2020-04-07 青岛科技大学 一种智能控制可变间隔螺旋轨迹缝纫机

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1118466A (fr) * 1954-12-11 1956-06-06 Re Ha Guide automatique adaptable aux machines à coudre pour piqûre en spirale à pas rigoureusement constant de toute courbe déterminée de révolution
DE1012808B (de) * 1956-04-24 1957-07-25 Anthony Guide Zusatzvorrichtung fuer eine Naehmaschine zur Erzeugung einer spiralfoermigen Gestalt der Nahtlinien
US3010414A (en) * 1957-02-23 1961-11-28 Rossa Emilio Della Sewing machine attachment for spiral seams

Citations (9)

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US393252A (en) * 1888-11-20 mallett
US1301528A (en) * 1915-10-11 1919-04-22 Cornelius Weiss Sewing-machine attachment.
US1470932A (en) * 1921-05-31 1923-10-16 Perras Harmidos Sewing machine
US1577640A (en) * 1922-09-16 1926-03-23 Singer Mfg Co Machine for sewing buffing pads
US1588001A (en) * 1921-09-29 1926-06-08 Singer Mfg Co Machine for making hat linings
US1906317A (en) * 1931-02-06 1933-05-02 Singer Mfg Co Work-holding and guiding mechanism for sewing machines
US1946868A (en) * 1930-10-20 1934-02-13 Carlin Comforts Inc Sewing mechanism for quilts and the like
US2236421A (en) * 1938-02-07 1941-03-25 Gustav A Boettcher Automatic fabric stitcher

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US393252A (en) * 1888-11-20 mallett
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US1470932A (en) * 1921-05-31 1923-10-16 Perras Harmidos Sewing machine
US1588001A (en) * 1921-09-29 1926-06-08 Singer Mfg Co Machine for making hat linings
US1577640A (en) * 1922-09-16 1926-03-23 Singer Mfg Co Machine for sewing buffing pads
US1946868A (en) * 1930-10-20 1934-02-13 Carlin Comforts Inc Sewing mechanism for quilts and the like
US1906317A (en) * 1931-02-06 1933-05-02 Singer Mfg Co Work-holding and guiding mechanism for sewing machines
US2236421A (en) * 1938-02-07 1941-03-25 Gustav A Boettcher Automatic fabric stitcher

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863407A (en) * 1950-10-20 1958-12-09 Automatic Designing Corp Spiral sewing machine
US2787229A (en) * 1955-06-22 1957-04-02 Medynski Joseph Spiral stitch sewing machine
CN110965213A (zh) * 2019-12-26 2020-04-07 青岛科技大学 一种智能控制可变间隔螺旋轨迹缝纫机

Also Published As

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CH251628A (de) 1947-11-15
DE830287C (de) 1952-02-04
GB608320A (en) 1948-09-14

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