US3854433A - Zipper foot for use with sewing machine - Google Patents

Zipper foot for use with sewing machine Download PDF

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Publication number
US3854433A
US3854433A US00355849A US35584973A US3854433A US 3854433 A US3854433 A US 3854433A US 00355849 A US00355849 A US 00355849A US 35584973 A US35584973 A US 35584973A US 3854433 A US3854433 A US 3854433A
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US
United States
Prior art keywords
zipper
foot
needle
sewing
supporting member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00355849A
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English (en)
Inventor
S Hanyu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Janome Corp
Original Assignee
Janome Sewing Machine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Janome Sewing Machine Co Ltd filed Critical Janome Sewing Machine Co Ltd
Application granted granted Critical
Publication of US3854433A publication Critical patent/US3854433A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet
    • D05B29/06—Presser feet

Definitions

  • a supporting member is attached to an upright presser bar of a sewing machine.
  • a zipper foot is attached to the supporting member so as to be releasable therefrom. The position of the zipper foot on the supporting member can be changed, in direction transversely of the upright presser bar, so as to adjust the zipper foot for different types of zippers to be sewn onto a garment or other article.
  • the present invention relates to sewing machines in general, and more particularly to a zipper foot for use with sewing machines.
  • a zipper foot is a device which is secured to an upright presser bar of a sewing machine in the region of the needle or needles, and which serves to hold down a zipper as the same is being sewn' onto a garment or other article.
  • An additional object of the invention is to provide such an improved zipper foot which can be used with all currently known types of zippers, whether they be of the concealed or the unconcealed type.
  • one feature of the invention resides in a combination comprising a supporting member adapted to be mounted on a presser bar of a sewing machine, a zipper foot, and connecting means adjustably connecting said zipper foot with said supporting member.
  • the present invention makes it possible to shift rapidly and simply from normal sewing to zipper sewing, and back, without requiring removal of the zipper foot during normal sewing or installing of the zipper foot for zipper sewing. All that is required is a simple, readily made adjustment on the zipper foot.
  • the zipper foot can be readily and simply changed over from operation for sewing of conventional unconcealed zippers to the sewing of the new concealed zippers. No tools are required for this purpose, nor any particular skill.
  • FIG. 1 is a perspective view, illustrating a device according to the present invention in partly disassembled condition
  • FIGS. 2A-2D are respective diagrammatic top plan views of the device in FIG. 1, showing different adjusted positions of the device.
  • FIG. 3 is a perspective view, showing a prior-art zipper foot.
  • the conventional zipper foot shown in FIG. 3 will be discussed first. It will be seen that it has a supporting portion 24 to which a zipper foot 25 is secured. By means of a set screw 26, the device is secured to the upright presser bar (not shown) of a sewing machine.
  • This zipper foot is not adjustable to different types of zippers (e.g., concealed vs. unconcealed). Furthermore, it must be removed from the presser bar when normal sewing use is to commence, i.e., when no zipper is being sewn on, because the device interferes with the proper movement of the needle. Also, the set screw 26 permits only relatively inaccurate positioning of the foot on the presser bar; in this connection it is recalled here that improper positioning will cause unsatisfactory sewing results.
  • reference numeral 1 identifies a supporting member having a portion 2 by means of which it is mounted on a vertically oriented presser bar 27 of a sewing machine. No details of the sewing machine other than the presser bar 27 have been shown, because they are not needed for an understanding of the invention.
  • a lower free portion 3 of the supporting member 1 has a transverse width X and is formed in a downwardly directed surface with a groove 4 which extends in the direction of this width, i.e., transverse to the vertical orientation of the presser bar 27.
  • This portion also has another groove 5 the lower end of which extends to the surface having the groove 4.
  • a spring 6 is mounted on the supporting member 1 as shown and has a hookshaped lower end portion lodged in the groove 5 and in part extending transversely of the groove 4 across the same.
  • a pin 8 can be axially shifted (by exerting pressure upon its non-illustrated end) so as to press against the spring 6 and shift the lower end portion thereof in such a manner that it will no longer extend across the groove 4.
  • Reference numeral 9 identifies a zipper foot having a base plate 10.
  • a frame 15 having two transversely spaced sidewalls l3 and 14.
  • a shaft or pin 16 is mounted in these sidewalls and extends from one to the other thereof, as.shown.
  • the distance Y between the inner sides of the sidewalls l3 and 14 is substantially larger than the width X.
  • a plurality of adjusting members, here the members 17,18 and 19, are shiftably mounted on the shaft 16 which extends through appropriate holes provided in them.
  • the combined thickness of the members 17-19, as seen in axial direction of'the shaft 16, corresponds to the difference between the dimensions X and Y.
  • the zipper foot 9 is secured to the member 1 by having the groove 4 straddle the shaft 16, with the spring 6 retracted, and by thereafter permitting the hooked end portion of the spring to extend across the groove 4 so as to prevent movement of the shaft 16 out of the groove.
  • connection between foot 9 and member 1 may be maintained at all times, except for brief adjusting periods, whether or not a zipper is to be sewn onto a garment or other article. It is merely necessary to change the position of foot 9 relative to member 1.
  • the foot 9 is so shifted (afterfirst disconnecting it from member 1 and shifting members 17-19 appropriately), that the longitudinally extending edges or guides 20 and 21 of base plate 10, wherein the respective inwardly extending needle recesses 11, 12 are formed, are properly located, these guides being for right and left stitching in a zig-zag sewing machine.
  • FIGS. 2A and 2C show how the foot is arranged when an ordinary unconcealed zipper is to be stitched in place.
  • FIGS. 28 and 2D show the same arrangement as adjusted for use when a concealed zipper is to be stitched in place. The shifting of the members 17-19 to obtain the desired positioning of the foot 9 is clearly visible from these Figures.
  • the basic needle lines passing through the needle N are inwardly spaced from the guides 20, 21 by the distance L or L, respectively, so as to stitch portions of material which are slightly spaced from the actual zipper mechanism 22.
  • the basic needle lines S and S coincide exactly with the guides 20, 21 so as to stitch portions of the zipper 23.
  • the dotted lines a, b, c and d represent feed dogs, as do the dotted lines a, b, c and d, the formed being located under the zipper foot 9 and the latter being located under the respective zipper.
  • a zipper foot for use with sewing machines having a needle for sewing of material that is being fed in :1 Iongitudinal direction, and a supporting member provided with a zipper-foot retaining spring, said zipper foot comprising a base plate having a top face and a bottom face for contacting the material, a pair of opposite longitudinal edges extending in said direction and formed with respective inwardly extending needle recesses, and a pair of upstanding walls each projecting upwardly from said top face and being transversely spaced by a first width; a mounting pin extending transversely of said longitudinal edges from one to the other of said upstanding walls; and adjusting means axially shiftable on said mounting pin and having in axial direction of the same a second width smaller than said first width so that an axially extending portion of said mounting pin is always exposed for engagement with said supporting member and said retaining spring, said adjusting means being axially shiftable on said mounting pin between two first positions in each of which an imaginary line passing through said needle in said longitudinal direction intersects one of said needle recesses

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US00355849A 1972-05-04 1973-05-02 Zipper foot for use with sewing machine Expired - Lifetime US3854433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972051511U JPS4910755U (enrdf_load_stackoverflow) 1972-05-04 1972-05-04

Publications (1)

Publication Number Publication Date
US3854433A true US3854433A (en) 1974-12-17

Family

ID=12889015

Family Applications (1)

Application Number Title Priority Date Filing Date
US00355849A Expired - Lifetime US3854433A (en) 1972-05-04 1973-05-02 Zipper foot for use with sewing machine

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US (1) US3854433A (enrdf_load_stackoverflow)
JP (1) JPS4910755U (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973508A (en) * 1973-12-11 1976-08-10 Janome Sewing Machine Co. Ltd. Sewing machine zipper foot
USD243555S (en) 1974-08-30 1977-03-01 Drew Donald G Slide fastener presser foot
US4136626A (en) * 1976-06-22 1979-01-30 Yoshida Kogyo K K Presser foot
US4236471A (en) * 1978-03-31 1980-12-02 Aisin Seiki Kabushiki Kaisha Color cooled presser feet
US4278039A (en) * 1978-08-11 1981-07-14 Janome Sewing Machine Industry Co. Detachable presser foot
US4389956A (en) * 1978-01-18 1983-06-28 Aisin Seiki Kabushiki Kaisha Color coded presser foot assembly
US4736697A (en) * 1983-07-06 1988-04-12 Janome Sewing Machine Co., Ltd. Fabric presser device of a sewing machine
USD450724S1 (en) 2000-11-17 2001-11-20 Kawaguchi Co., Ltd. Presser foot for concealed slide fasteners
CN105401345A (zh) * 2014-09-08 2016-03-16 Ykk株式会社 缝纫机压脚
US20190330776A1 (en) * 2018-04-27 2019-10-31 Brother Kogyo Kabushiki Kaisha Presser foot device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804037A (en) * 1955-08-04 1957-08-27 Greist Mfg Co Presser foot attachment for sewing machines
US3143094A (en) * 1962-06-12 1964-08-04 Koshin Seimitsu Kikai Kabushik Pressure foot for sewing machine
US3724407A (en) * 1972-03-15 1973-04-03 Singer Co Snap on zipper foot

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804037A (en) * 1955-08-04 1957-08-27 Greist Mfg Co Presser foot attachment for sewing machines
US3143094A (en) * 1962-06-12 1964-08-04 Koshin Seimitsu Kikai Kabushik Pressure foot for sewing machine
US3724407A (en) * 1972-03-15 1973-04-03 Singer Co Snap on zipper foot

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973508A (en) * 1973-12-11 1976-08-10 Janome Sewing Machine Co. Ltd. Sewing machine zipper foot
USD243555S (en) 1974-08-30 1977-03-01 Drew Donald G Slide fastener presser foot
US4136626A (en) * 1976-06-22 1979-01-30 Yoshida Kogyo K K Presser foot
US4389956A (en) * 1978-01-18 1983-06-28 Aisin Seiki Kabushiki Kaisha Color coded presser foot assembly
US4236471A (en) * 1978-03-31 1980-12-02 Aisin Seiki Kabushiki Kaisha Color cooled presser feet
US4278039A (en) * 1978-08-11 1981-07-14 Janome Sewing Machine Industry Co. Detachable presser foot
US4736697A (en) * 1983-07-06 1988-04-12 Janome Sewing Machine Co., Ltd. Fabric presser device of a sewing machine
USD450724S1 (en) 2000-11-17 2001-11-20 Kawaguchi Co., Ltd. Presser foot for concealed slide fasteners
CN105401345A (zh) * 2014-09-08 2016-03-16 Ykk株式会社 缝纫机压脚
CN105401345B (zh) * 2014-09-08 2018-04-27 Ykk株式会社 缝纫机压脚
US20190330776A1 (en) * 2018-04-27 2019-10-31 Brother Kogyo Kabushiki Kaisha Presser foot device
US10876236B2 (en) * 2018-04-27 2020-12-29 Brother Kogyo Kabushiki Kaisha Presser foot device

Also Published As

Publication number Publication date
JPS4910755U (enrdf_load_stackoverflow) 1974-01-29

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