WO2008053558A1 - Pédale de machine à coudre et machine à coudre - Google Patents

Pédale de machine à coudre et machine à coudre Download PDF

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Publication number
WO2008053558A1
WO2008053558A1 PCT/JP2006/321974 JP2006321974W WO2008053558A1 WO 2008053558 A1 WO2008053558 A1 WO 2008053558A1 JP 2006321974 W JP2006321974 W JP 2006321974W WO 2008053558 A1 WO2008053558 A1 WO 2008053558A1
Authority
WO
WIPO (PCT)
Prior art keywords
sewing
foot
sewing machine
swing arm
guide groove
Prior art date
Application number
PCT/JP2006/321974
Other languages
English (en)
Japanese (ja)
Inventor
Kiichiro Ishikawa
Makoto Yamazaki
Original Assignee
Ykk Corporation
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 Ykk Corporation filed Critical Ykk Corporation
Priority to BRPI0621989-6A priority Critical patent/BRPI0621989B1/pt
Priority to PCT/JP2006/321974 priority patent/WO2008053558A1/fr
Priority to KR1020097011262A priority patent/KR101116971B1/ko
Priority to CN2006800562708A priority patent/CN101535548B/zh
Priority to JP2008541970A priority patent/JP5305917B2/ja
Priority to EP06822892A priority patent/EP2078774B1/fr
Publication of WO2008053558A1 publication Critical patent/WO2008053558A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet
    • D05B29/06—Presser feet
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B15/00—Machines for sewing leather goods
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet
    • D05B29/06—Presser feet
    • D05B29/08—Presser feet comprising relatively-movable parts
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B35/00—Work-feeding or -handling elements not otherwise provided for
    • D05B35/06—Work-feeding or -handling elements not otherwise provided for for attaching bands, ribbons, strips, or tapes or for binding
    • D05B35/064—Work-feeding or -handling elements not otherwise provided for for attaching bands, ribbons, strips, or tapes or for binding for attaching slide fasteners

Definitions

  • the present invention provides a lower feed dog provided on the lower surface side of the needle plate of the sewing machine, and an upper feed device that moves in conjunction with the lower feed dog on the upper surface side of the needle plate of the sewing machine. Further, the present invention relates to a sewing machine foot that is applied to a sewing machine that performs sewing while feeding an object to be sewn while holding the object to be sewn with an upper feed device and an upper feed device, and a sewing machine including the machine.
  • a pair of guide grooves opposed to each other via a middle cut strip formed in the longitudinal direction is formed in the center part on the back side of the fastener tape presser part, and the front end of the center part of the tape presser part is slightly forward
  • the needle hole is formed in the direction of the portion, and the lower end surface of the inner partition strip portion is formed so as to be slightly lower than the tape pressing surface on the back surface of the tape pressing portion.
  • a sewing foot for sewing a hidden slide fastener in which the front end force of the presser part protrudes forward or the front end side entrance of the guide groove is formed in a wide flare shape.
  • the fastener portion may be a space portion where the fastener element is removed or a portion where a so-called top stopper portion is formed by crushing a fastener element made of thermoplastic resin using ultrasonic processing or the like. It is said that the element can be stably guided to the guide groove.
  • Patent Document 2 discloses an upper feed device for a sewing machine having pressure adjusting means for adjusting the pressure between the upper and lower feed dogs.
  • Patent Document 1 Japanese Patent Laid-Open No. 54-54462
  • Patent Document 2 Japanese Utility Model Publication No. 5-74474
  • a vertical feed method is used in which the fabric foot is fed by moving the sewing foot, outer presser foot and lower feed dog in a complex manner.
  • the machine foot, outer presser foot, and lower feed dog move away from the fabric when the fabric is fed, so the fastener element row cannot be continuously guided by the guide groove. Therefore, the distance between the element row of the fastener and the sewing line could not be strictly controlled.
  • the present invention was created to solve such problems of the prior art.
  • the sewing needle is pierced, the fabric is pressed with a predetermined pressing force, and the sewing needle is raised to raise the seam.
  • the sewing machine foot that releases the pressing force at the time of piercing and moves relative to the fabric when forming the seam to be formed slides both at the time of piercing and at the time of forming the seam, even if it is a hidden slide fastener.
  • the purpose of the present invention is to provide a sewing machine foot capable of reliably guiding the element row of the fastener through the element guide groove and a sewing machine equipped with the sewing machine foot.
  • the first basic configuration of the sewing machine foot according to the present invention that achieves the above-mentioned object is to fix the sewing machine presser bar to maintain the distance between the element row of the slide fastener and the sewing line.
  • the foot mounting part to be fixed, the pressing part that presses the sewing object when the sewing needle is pierced by moving up and down together with the foot mounting part, and the element row of the slide fastener that moves up and down in conjunction with the foot mounting part
  • a sewing machine foot having an element guide groove for inserting and guiding the element, the element foot having the element guide groove, and pivotally supported by the foot mounting portion so as to be swingable relative to the foot mounting portion.
  • a biasing means for biasing It is characterized by a door.
  • the sewing machine foot when the urging means urges the swing arm toward the sewing product, the sewing machine foot is in the upper position or the lower position.
  • the sewing machine foot is characterized in that at least a part of the element guide groove is formed so that a part of the element row is included.
  • the element guide groove of the sewing machine foot is formed with a groove having parallel side surfaces that rise from the sewing object in a powerful configuration, and a hidden slide fastener is sewn.
  • an element reversing section that raises the element row of the hidden slide fastener at the opening end of the element guide groove and reverses the element mounting edge bent in a U shape to an angle of 90 degrees or more is provided. It is preferable to prepare.
  • the pressing portion is formed on a part of the swing arm, and further, a needle hole for passing a sewing needle is provided in the pressing portion of the sewing machine foot, and the sewing portion is located behind the sewing hole. It is preferable to have an element relief in the element guide groove to avoid mating with the element row of the fastener.
  • the sliding surface that contacts the surface of the sewing product is rocked. It is preferable to provide it at the front part of the arm. Further, it has an inclined surface that is inclined upward with respect to the lower surface of the swinging arm at the tip of the smooth surface, and performs forward movement on the sewing product. It is preferable to form an element inversion part on the side surface of the smooth surface in the forward inclined part. Further, it is preferable to set the width of the smooth surface to be narrower than the width of the pressing portion.
  • a rearward inclined portion that performs an operation of climbing on the sewing product is provided at the rear end of the pressing portion of the sewing machine foot.
  • a coasting material that also has a force such as a compression spring or a leaf spring.
  • the second basic configuration of the present invention includes a foot mounting portion that is fixed to a presser bar of the sewing machine and a foot mounting portion in order to maintain an interval between the element row of the slide fastener and the sewing line. And a foot part that presses the workpiece when the sewing needle is pierced, an element guide groove that moves up and down in conjunction with the foot mounting part, and inserts and guides an element row of a slide fastener, and a foot A swing arm having the element guide groove, pivoted in a vertical plane parallel to a sewing line at the time of sewing, and pivotally supported by the foot mounting portion so as to be swingable relative to the mounting portion;
  • the sewing machine is provided with a sewing machine foot that is arranged between the foot mounting portion and the swinging arm and has a biasing means that biases the swinging arm toward the sewing product with respect to the foot mounting portion. It is a feature.
  • the sewing machine foot according to the present invention has the first basic configuration described above, the sewing machine needle is pierced while feeding the cloth while holding the cloth between the lower feed teeth and the pressing part of the sewing machine foot.
  • the sewing machine needle is pierced using the so-called comprehensive feed method, the element row is guided by the element guide groove of the sewing machine foot, and the sewing needle can be pierced while determining the distance from the sewing needle.
  • the fabric is sandwiched between the outer presser and the throat plate and fixed to the sewing machine side, and the sewing needle, lower feed dog, and press portion of the machine foot are separated and returned.
  • the swing arm is inclined forward and downward, so that at least a part of the element guide groove is kept in contact with the element row of the fastener. It becomes possible. Thereafter, when the presser bar is lowered, it is possible to prevent a problem that the element internal groove force element row comes off and is crushed from the pressing portion. Accordingly, when the presser bar is raised during sewing or in any state position when the presser bar is lowered, at least a part of the element guide groove guides the element row of the fastener. Subsequently, the distance between the sewing line and the element row of the fastener can be maintained.
  • the sewing machine needle stabbed using V, a loose vertical feed method, which inserts the cloth between the needle plate and the pressing part of the sewing machine foot and pierces the sewing needle while fixing the cloth to the sewing machine body.
  • V a loose vertical feed method
  • almost the entire surface of the element guide groove of the sewing machine foot can come into contact with the element row of the fastener, and can be pierced while determining the distance from the sewing machine needle.
  • the fabric needle is also released from the fabric foot force and the fabric foot is sandwiched between the outer presser foot and the lower feed dog.
  • the swing arm tilts forward and downward, so that the element row can be kept fitted in the element guide groove. Therefore, even when forming the feed portion of the seam, the element guide groove maintains the guide of the element row, and the element row is released from the element guide groove force. In this case, the distance between the sewing position and the element row can be defined. Therefore, even if it is a vertical feed method in which the sewing machine foot moves up and down, the element row can continue to be guided by the element guide groove, so even when sewing fasteners on thick fabrics, It is possible to stably sew a portion of the fastener element close to the joint head, and to prevent sewing disturbance.
  • an element guide groove having an opening parallel to the sewing product as an element guide groove of the sewing machine foot
  • the element row is passed through the guide groove while maintaining a predetermined shape. It is possible to define the interval between the sewing position and the element row.
  • an element reversing portion is provided at the opening end of the element guide groove to raise the element row, and the fastener tape is bent into a U shape.
  • a pressing portion is formed on a part of the swing arm by forming an element relief portion on the rear side of the sewing portion from the needle hole through which the sewing needle is passed to avoid fitting with the element row. Even in this case, the element guide groove force can be released from the element row after sewing, so that the curved portion can be easily sewn. Therefore, even when a zipper tape is sewn on a thick fabric and a curved portion is sewn, it can be easily and accurately sewn.
  • the smooth surface can be prevented from being damaged by setting the width of the smooth surface to be narrower than the width of the pressing portion and avoiding interference with the needle plate of the sewing machine and the lower feed dog. Therefore, it is possible to prevent sewing disturbance due to damage to the smooth surface.
  • the back end of the pressing portion of the sewing machine foot is provided with a backward inclined portion that performs the operation of climbing on the workpiece, so that the fabric is pressed even when the feed is moved backward. It is possible to make it easier to send to the part. Further, even when fabrics having different thicknesses are sewn, the backward sewing can be reliably performed without being caught. Also, if an elastic material such as a compression spring or leaf spring is used as the biasing means that biases the swing arm toward the work piece against the foot mounting part, the element guide groove is fitted into the element row. The mechanism can be configured compactly.
  • the sewing machine foot of the present invention has a pivot for pivotally supporting the swing arm including the element guide groove in a vertical plane parallel to the sewing line, and biasing means for biasing the element guide groove to the workpiece.
  • the sewing machine foot of the present invention When the sewing machine foot of the present invention is applied to a sewing machine for sewing, almost the entire surface of the element guide groove of the sewing machine foot is in contact with the element row when the sewing machine needle is pierced, and the needle is pierced while determining the distance from the sewing machine needle. it can.
  • the sewing foot is separated from the fabric force and moved relative to the fabric to form the stitch feed portion, the swing arm swings forward and downward and the element guide groove is formed into the element row. It is possible to continue contact with each other. Therefore, when forming the feed portion of the seam, the element guide groove continues to guide the element row, and the interval between the sewing position and the element row can be defined. Therefore, even when thick fabrics and fasteners are sewn, sewing irregularities can be prevented.
  • FIG. 1 is a perspective view of the vicinity of a needle drop position in a sewing machine provided with a sewing machine foot according to a first embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the sewing machine foot according to the first embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of the vicinity of the needle drop position when the sewing needle and the sewing machine foot are lowered.
  • FIG. 4 is a cross-sectional view of the vicinity of the needle drop position when the sewing needle and the sewing machine foot are raised.
  • FIG. 5 is a view showing a VV cross section near the needle entry position shown in FIG.
  • FIG. 7 is a view showing a state in which the slide fastener shown in FIG. 6 is sewn on a thick fabric, the fabric is folded back around the sewing portion, and the sewing portion is sewn.
  • FIG. 8 A chart showing the timing of the total feeding method that feeds the fabric by moving the sewing foot, presser foot, sewing needle, and lower feed dog in combination.
  • ⁇ 9 This is a chart showing the timing of the vertical feed method that feeds the dough by moving the outer presser and the lower feed dog.
  • FIG. 10 is a timing chart schematically showing the vertical movement and the front-back movement of each member, with the horizontal axis as the main shaft angle of the sewing machine, for the timing of the comprehensive feeding method shown in FIG.
  • FIG. 11 is a timing chart schematically showing the vertical movement and the front-back movement of each member with the horizontal axis as the main shaft angle of the sewing machine for the timing of the vertical feed method shown in FIG.
  • FIG. 12 An exploded perspective view of the sewing machine foot according to the second embodiment of the present invention, which includes a forward inclined part in which the front end of the sewing machine foot is inclined upward and a backward inclined part in which the rear end is inclined upward.
  • FIG. 13 is a perspective view of the sewing machine foot shown in FIG. 12 as viewed from below.
  • FIG. 14 is a cross-sectional view of the vicinity of the needle drop position in a state where the foot mounting portion is raised and slides on the surface of the sliding force slide fastener to form a stitch feed portion.
  • FIG. 15 is a view of the sewing machine foot as seen from the front of the sewing line, and is a view showing the XV—XV cross section shown in FIG.
  • FIG. 16 is a cross-sectional view of the swing arm of the sewing machine foot cut along XVI-XVI shown in FIG.
  • FIG. 17 is an exploded perspective view showing the sewing machine foot of the third embodiment provided with a swing head that can further rotate at the tip of the swing arm.
  • FIG. 19 is a perspective view showing a fourth embodiment of the present invention provided with a rotatable roller head at the tip of a swing arm.
  • FIG. 1 is a perspective view of the vicinity of a needle drop position in a sewing machine provided with a sewing machine foot according to a first embodiment of the present invention.
  • the fabric 6 is, for example, a fabric such as an automobile seat or a thick fabric such as leather.
  • One end of the hidden slide fastener 8 has a U-shaped inverted shape, and a coil-shaped element row 9 is sewn to the side edge of the U-shaped inverted fastener tape.
  • the sewing unit 10 of the sewing machine includes a presser bar 14 that moves up and down in conjunction with the back and forth and up and down movements of the sewing needle 12, and a sewing machine needle 12 that is fixed to the presser bar 14 and ahead of the sewing machine needle 12.
  • the sewing machine needle 12 or the sewing machine foot 40 moves in conjunction with the sewing machine foot 40 and the sewing machine needle 12 or the sewing machine foot 40 that presses the sewing product when the sewing machine needle 12 is pierced with the sewing machine needle 12.
  • the sewing machine foot 40 is provided with an outer presser 16 that moves up and down in a direction opposite to that of the sewing machine foot 40 and presses the workpiece when forming the seam without pressing the workpiece. As shown in FIG.
  • the presser bar 14 and the machine foot 40 constitute an intermediate presser 22 that presses around the piercing portion of the sewing product.
  • the intermediate presser 22 and the outer presser 16 constitute an upper presser device 24 for forming a piercing portion and a seam for alternately passing up and down the sewing needle.
  • FIG. 2 is an exploded perspective view of the sewing machine foot 40 according to the present invention.
  • the sewing machine foot 40 is inserted into the presser bar 14 of the sewing machine by inserting the sewing machine foot 40 into the mounting hole 43 and turning the mounting screw 45 to tighten the split tightening part.
  • a foot mounting portion 44 to be fixed a pressing portion 46 that presses the sewing object with a predetermined pressing force when the sewing needle 12 is pierced, an element guide groove 42 that guides through the element row 9 of the slide fastener,
  • the swing arm 47 is urged against the foot mounting portion 44 in the vertical direction, that is, the pivot 50 pivotably supported in a vertical plane parallel to the sewing line 28 and the element guide groove 42 against the sewing product.
  • a compression spring 52 biasing means
  • the opening that introduces the hidden fastener element row 9 into the element guide groove 42 is provided with an element reversing portion that raises the element row 9 that is bent into a U shape and reverses it to an angle of 90 degrees or more. Yes.
  • the element guide groove 42 is formed in the swing arm 47, and the force pressing portion 46 in which the needle hole 48 through which the sewing needle 12 passes and the pressing portion 46 are formed does not swing! Install it in the foot mounting section 44.
  • the rear end upper side of the swing arm 47 and the rear end lower side of the foot mounting portion 44 are bearings that support the pivot 50. 53 and a bearing 54 are drilled.
  • the swing arm 47 can be It can be made swingable with respect to 44 about the pivot 50.
  • a needle hole 48 penetrating in the vertical direction of the swing arm 47 is formed in the middle portion between the front end and the rear end of the swing arm 47, and further, in a range between the needle hole 48 and the pivot 50.
  • a compression spring 52 (biasing means) is installed on the provided spring seat 56.
  • the compression spring 52 is disposed between the lower surface of the rear end of the foot mounting portion 44 and the upper surface of the swing arm 47, and the foot mounting portion 44 is lifted by urging the swing arm 47 downward. Even in this case, the swing arm 47 forming the element guide groove 42 rotates around the pivot 50, so that the opening of the element guide groove 42 can be kept in contact with the element row 9. . Thereafter, when the presser bar 14 is lowered, it is possible to prevent a problem that the element row 9 is detached from the element guide groove 42 and is crushed by the pressing portion 46. Therefore, even when the presser bar 14 is raised or the presser bar 14 is lowered, the element guide groove 42 continues to guide the element row 9 of the fastener, and the sewing position and The distance from the element row 9 of the fastener can be maintained.
  • FIG. 3 is a cross-sectional view of the vicinity of the needle drop position when the sewing needle 12 and the sewing machine foot 40 are lowered.
  • FIG. 4 is a cross-sectional view of the vicinity of the needle drop position when the sewing needle 12 and the sewing foot 40 are raised.
  • the embodiment shown in FIGS. 3 and 4 is a sewing method using an overall feeding method in which the sewing machine foot 40, the outer presser foot 16, the sewing needle 12 and the lower feed dog 58 are moved in combination to feed the fabric. is there.
  • the parts described in FIGS. 1 and 2 are denoted by the same reference numerals and description thereof is omitted.
  • FIG. 3 is a diagram showing a general feed sewing method, in which the sewing machine needle 12 is pierced while the sewing foot 40 and the lower feed dog 58 sandwich the workpiece, and the sewing machine foot G, 40, lower feed dog 58, and sewing needle 12 are moved in the L direction and fabric 6 is fed out. Further, in the state shown in FIG. 3, the movement of the swinging arm 47 further swinging in the clockwise direction is restricted by the front stopper 59 (see FIG. 4) of the swinging arm 47 coming into contact with the foot mounting portion 44. The pressing part 46 of the sewing machine foot 40 presses the sewing object with pressing force at the time of piercing.
  • the swing arm 47 is sewn on the front end side by the force of the compression spring 52. It is energized by things. Since the swing arm 47 is configured to be swingable about the pivot 50 with respect to the foot mounting portion 44, the swing arm 47 continues to maintain the forward and downward state. Then, the smooth surface 60 provided on the lower surface of the front portion of the swing arm 47 moves in the M direction shown in FIG. 4 while being in contact with the surface of the sewing product.
  • the hidden fastener element row 9 can be raised even when the swing arm 47 is in the forward-downward state as shown in FIG. Even if the presser bar 14 is lowered and the rear end side of the sliding arm 47 comes into contact with the element row 9, the front end side of the element guide groove 42 is used as a reference to the rear end side of the element guide groove 42. Element row 9 is mated again. Therefore, even if the element row 9 is difficult to sew because it is formed in a U-shape, it will be caught in the pressing part 46 that moves relative to the sewing object t, and this prevents malfunctions. It can be done.
  • FIG. 5 is a view showing a VV cross section near the needle drop position shown in FIG.
  • the element guide groove 42 that opens to the workpiece has parallel side surfaces A and A ′ that guide the element row 9 from both sides. Further, in the embodiment shown in FIG. 5, in order to sew the hidden slide fastener 8 on the thick fabric 6, the element guide groove 42 defines the interval B between the bending position and the sewing position of the element row 9. In this way, the element guide groove 42 guides with the element row 9 interposed therebetween, so that the interval B between the sewing position and the element row 9 can be stabilized and sewing disturbance can be prevented.
  • the element guide groove 42 shown in FIG. 5 guides the hidden fastener element row 9 in an inverted state to an angle of 90 degrees or more, thereby reducing the interval B. It should be noted that as shown in FIG. The angle ⁇ of the ment guide groove 42 is preferably about 80 degrees.
  • FIG. Fig. 6 is a cross-sectional view of the same portion of the cross section as shown in Fig. 5 and the vicinity of the needle drop position, whereas Fig. 5 shows a sewing foot 40 for sewing the hidden slide fastener 8 to the fabric 6.
  • the embodiment shown in FIG. 6 shows a cross-sectional view of a sewing foot 140 for sewing a normal slide fastener 108 to the fabric 6.
  • the element guide groove 142 of the swing arm 147 has parallel side surfaces C and C ′ into which the element row 109 of the normal slide fastener 108 is fitted with both side forces. Further, in the embodiment shown in FIG. 6, in order to sew the slide fastener 108 to the thick fabric 6, the element guide groove 142 defines the distance D between the element row 109 and the sewing position. As described above, the element guide groove 142 guides the element row 109 so that the distance D between the sewing position and the element row 109 can be stabilized, and sewing disturbance can be prevented.
  • FIG. 7 shows a state in which the slide fastener 108 is sewn on the thick fabric 6 using the swing arm 147 shown in FIG.
  • FIG. 7 shows the sewing of the slide fastener 108 to the thick fabric 6 using the swing arm 147 shown in FIG. 6 and the sewing portion 128, and then the fabric 6 is folded back around the sewing portion 128 to sew the sewing portion 129. It is a figure which shows the state put together.
  • the lower side of FIG. 7 is a surface that becomes the front side of the fabric 6, and the upper side is the surface that becomes the back side of the fabric 6. Even if the fabric 6 is thick, the slide fastener 108 is sewn to the fabric 6 using the swing arm 147 provided with the element guide groove 142, so that the end surface of the element row 109 and the fold line of the fabric 6 are The distance E can be aligned.
  • Fig. 8 is a chart showing the timing of the total feeding method that feeds the dough by moving the sewing foot, presser foot, sewing needle, and lower feed dog in a complex manner.
  • the ascending, descending, returning, and feeding directions shown in the chart are the directions shown in FIG.
  • the presser bar 14 descends to the sewing product side from the state shown in FIG. 58 sandwiches the slide fastener 8 and the fabric 6 from above and below with pressing force. Then shown in Figure 3 Thus, the sewing needle 12 is lowered to form the piercing portion of the seam. At this time, the sewing machine foot 40, the lower feed dog 58, and the sewing needle 12 are synchronized in the L direction shown in FIG. Move it once and feed the dough.
  • the state force shown in FIG. 3 also raises the sewing needle 12 to release it from the slide fastener 8 and the fabric 6, and then raises the presser bar 14 so that the sewing machine foot 40 presses the sewing product. , Release the pressing force.
  • the lower feed dog 58 is also lowered to leave the workpiece.
  • the outer presser 16 is lowered and the workpiece is pressed between the needle plate 26 and the workpiece.
  • the sewing machine foot 40, the lower feed dog 58, and the sewing needle 12 which are separated from the sewing product are returned (advanced in the M direction), so that the sewing machine foot 40 and the sewing product are made relative to each other.
  • the state where the seam feed portion is formed is the state shown in FIG. 4, in which the sliding surface 60 of the sewing machine foot 40 slides on the surface of the slide fastener 8. By repeating this series of operations, the workpiece is sent and a sewing line 28 is formed.
  • FIG. 9 is a chart showing the timing of the vertical feed method for feeding the fabric by moving the outer presser and the lower feed dog among the sewing foot, outer presser, sewing needle and lower feed dog. Each direction of ascending, descending, returning and feeding shown in the chart is the direction shown in FIG.
  • the sewing needle 12 is lowered to form the piercing portion of the seam. Formation of the piercing part Is finished, the sewing needle 12 is raised, the outer presser foot 16 is lowered and the lower feed dog 58 is raised at the same time, and the vertical force also sandwiches the slide fastener 8 and the fabric 6, and the sewing machine foot 40 is raised to perform the next feeding operation. To start. By repeating this series of operations, the workpiece is sequentially sent in the L direction, and the sewing line 28 is formed.
  • FIG. 10 shows a schematic timing chart. Also, based on the timing chart of the vertical feed method shown in Fig. 9, the vertical and vertical movements of the sewing machine foot, outer presser foot, sewing needle, and lower feed dog with the horizontal axis of the sewing machine as the main shaft angle.
  • Figure 11 shows a schematic timing chart. Since the contents shown in FIGS. 10 and 11 are the same as the contents shown in FIGS. 8 and 9, the description thereof is omitted.
  • FIG. 12 shows a sewing machine foot 240 according to a second embodiment of the present invention, which has a forward inclined part 263 whose front end is inclined upward and a backward inclined part 264 whose rear end is inclined upward.
  • 13 is an exploded perspective view
  • FIG. 13 is a perspective view (taken arrow view) of the sewing machine foot 240 shown in FIG. 12 as viewed from below. Note that parts having the same functions as those shown in FIG. 2 are denoted by the same reference numerals and description thereof is omitted.
  • the swing arm 247 of the sewing machine foot 240 is provided on the lower surface of the swing arm 247 so as to press the sewing product with a pressing force when the sewing needle 12 is pierced.
  • an inclined surface 262 that is inclined upward and forward with respect to the pressing surface of the pressing portion 246, and performs an operation of climbing onto the sewing product when performing forward sewing on the sewing product.
  • a backward receding inclined portion 264 that performs an operation of climbing on the workpiece when the workpiece is fed in the backward direction.
  • the forward inclined portion 263 includes a projecting and inclined smooth surface 260 formed on the tip of the swing arm 247, and an inclined element guide groove 242 disposed on the side surface of the smooth surface 260 and guided through the element row 9. And.
  • the inclined surface 262 that performs the operation of climbing on the sewing product is formed one step lower than the protruding smooth surface 260.
  • At least one of the pressing portion 246, the inclined surface 262, the smooth surface 360, or the backward inclined portion 264 may be a curved surface.
  • the pressing portion 246, the inclined surface 262, the smooth surface 360, and the receding inclined portion 264 may be configured by one curved surface, and the direction and the degree of bending are appropriately determined. Can be determined.
  • the width WS of the smooth surface 260 that protrudes and slopes in a convex shape at the tip of the swing arm 247 is set to be narrower than the width WP of the pressing portion 246. is there.
  • FIG. 14 shows a state in which the foot mounting portion 44 of the sewing needle 12 and the sewing machine foot 240 is raised, and the sliding surface 260 provided on the forward inclined portion 263 of the swing arm 247 slides on the surface of the slide fastener 8.
  • FIG. 6 is a cross-sectional view of the vicinity of a needle drop position in a state where a feed portion of a seam is formed. The parts described in FIG. 4 and FIG. 12 are denoted by the same reference numerals and description thereof is omitted.
  • the compression spring 52 forms an element guide groove 242 and biases the swing arm 247 against the sewing product.
  • the swing arm 2 47 is configured to be swingable about the pivot 50 with respect to the foot mounting portion 44, the swing arm 247 is maintained in the forward and downward state, while the front portion of the swing arm 247 is maintained.
  • the smooth surface 260 provided in is moved in the M direction shown in Fig. 14 while being in contact with the surface of the workpiece.
  • the forward inclined portion 263 that performs the operation of climbing on the sewing product is placed in front of the swing arm 247. It is overhanging.
  • An opening portion of an element guide groove 242 for guiding through the element row 9 is formed on the side surface of the smooth surface 260 at the tip of the swing arm 247, and is upward and forward with respect to the pressing surface of the pressing portion 246.
  • the length H2 including the element guide groove 242 and its introduction portion can be set longer by extending the forward inclined portion 263 having the inclined surface 262 so that the swing arm 247 extends forward. Therefore, the hidden slide fastener 8 has an ellipse inverted in the U shape.
  • FIG. 15 is a view of the sewing foot 240 also viewed from the front force of the sewing line. The cross section was taken of the slide fastener 8, the fabric 6 and the needle plate 26 where the slide fastener 8 and the smooth surface 260 are in contact with each other.
  • FIG. 15 is a cross-sectional view taken along the line XV-XV shown in FIG.
  • FIG. 16 is a cross-sectional view of the swing arm 247 of the sewing machine foot 240 cut along XVI—XVI shown in FIG.
  • an element relief portion 270 that avoids fitting with the element row 9 behind the sewing hole 48 from the needle hole 48 through which the sewing needle 12 is passed, Can be bent left and right. Therefore, even when the slide fastener 8 is sewed on the thick fabric 6 and the curved portion is further sewed, the element row 9 is prevented from falling off the element guide groove 42, and the curved portion is prevented. Sewing can be performed easily.
  • An element guide groove 42 substantially the same as the width of the element row 9 is formed between the element relief portion 270 and the needle hole 48 so that the needle hole 48 and the element relief portion 270 do not directly interfere with each other. It is configured. By adopting such a configuration, it is possible to perform stable sewing with no needle drop, and at the same time, it is possible to sew a curved portion by bending the element row 9 after crimping in the left-right direction.
  • FIG. 17 is an exploded perspective view showing a third embodiment of the present invention in which a swingable head 380 further provided at the tip of a swinging arm 347 constituting the sewing machine foot 340 is further provided.
  • the sewing machine foot 340 includes a foot mounting portion 44 that is fixed to the presser bar 14 of the sewing machine, a pressing portion 346 that presses the sewing product with a predetermined pressing force when the sewing needle 12 is pierced, Element guide grooves 342 and 386 guided through the element row 9 and the swing arm 347 are pivotally supported with respect to the foot mounting portion 44 in a vertical plane parallel to the sewing line and pivoted 50 And a pivot 382 that pivots the head 380 with respect to the swing arm 347 in a swingable manner in a vertical plane parallel to the sewing line.
  • a bearing 383 that supports the pivot 382 and a bearing 384 are formed at the front end of the swing arm 347 and the rear end of the swing head 380.
  • an urging means for urging the element inner groove 342 to the sewing object is behind the needle hole 48 of the swing arm 347 and in front of the pivot 50.
  • a compression spring (not shown) that functions as
  • the swing arm 347 can swing about the pivot 50 with respect to the foot mounting portion 44 and the swing head 380 can be moved to the swing arm 347. On the other hand, it can be pivoted about a pivot 382.
  • a sewing machine foot 3 provided with a swing head 380 that can be further rotated at the tip of the swing arm 347.
  • FIG. 18 is a side view of the sewing foot 340 also viewed from the side force of the sewing line, and is a side view of the slide fastener 8, the fabric 6, the needle plate 26, and the lower feed dog 58 taken in cross section.
  • element guide grooves 386 and 342 for guiding through the element row 9 are formed in the smooth surface 360 of the swing head 380 and a part of the swing arm 347.
  • the swing arm 347 In a state where the foot mounting portion 44 is raised to form a feeding portion of the stitches, the swing arm 347 is urged in the direction of the workpiece by a compression spring (not shown). Since the swing arm 347 is configured to be swingable about the pivot 50 with respect to the foot mounting portion 44, the swing arm 347 is maintained in the forward-downward state and is shown in FIG. Move in the direction.
  • the swing head 380 Since the swing head 380 is provided at the tip of the swing arm 347 so as to be rotatable about the pivot 382, the smooth surface 360 of the swing head 380 Moves in the M direction shown in Fig. 18 while in contact with the surface.
  • the smooth surface 360 of the swing head 380 In the opening of the element guide groove 386 formed on the smooth surface 360 of the oscillating head 380, there is a long element reversing part that raises the element row 9 bent in a U shape and reverses it to an angle of 90 degrees or more. As shown in FIG. 18, even if the swing arm 347 is in the forward and downward state as shown in FIG. 18, the hidden fastener element row 9 can be effectively raised.
  • FIG. 19 is a perspective view showing a fourth embodiment of the present invention in which a rotatable roller head 480 is provided at the tip of a swing arm 447 constituting the sewing machine foot 440.
  • FIG. 19 is a perspective view showing a fourth embodiment of the present invention in which a rotatable roller head 480 is provided at the tip of a swing arm 447 constituting the sewing machine foot 440.
  • the sewing machine foot 440 includes a foot mounting portion 44 to be fixed to the presser bar 14 of the sewing machine, and a pressing portion that presses the workpiece with a predetermined pressing force when the sewing needle 12 is pierced.
  • a pressing portion that presses the workpiece with a predetermined pressing force when the sewing needle 12 is pierced.
  • 446, an element guide groove 486 for introducing and guiding an element row of a slide fastener, and a swing arm 447 are pivotally supported with respect to the foot mounting portion 44 in a vertical plane parallel to the sewing line.
  • a pivot 50 and a pivot 482 that rotatably supports the roller head 480 with respect to the swing arm 447 in a plane parallel to the sewing line are provided.
  • an element guide groove 486 is sewn on the rear side of the needle hole 48 of the swing arm 447 and on the front side of the pivot 50.
  • a compression spring (not shown) that functions as an urging means for urging the object is provided.
  • the swing arm 447 can swing about the pivot 50 with respect to the foot mounting portion 44, and the roller head 480 can be moved by the swing arm. 447 can be rotated.
  • the circumferential surface of the roller head 480 shown in FIG. 19 is always in contact with the surface of the fastener tape 8 of the slide fastener 8 before sewing, and the roller head 480 rolls over the slide fastener 8 when forming the stitch feed portion.
  • An element guide groove 486 is formed on the circumferential surface of the roller head 480, and this element guide groove 486 raises and reverses the element row 9 that is bent into a U shape, so that the swing arm 447
  • the hidden fastener element row 9 can be raised even when the item is in the forward and downward direction or when the workpiece is being pressed with the pressing force.
  • the present invention can be variously modified within the scope of the claims which are not limited to the above examples.
  • the element escape portion 270 may be formed in the element guide groove 42 of the first embodiment, or the inclined surface 262 may be formed uniformly and flat as a whole.
  • the hidden slide fastener can be sewn even on a thick fabric such as fabric or leather.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

L'invention concerne une pédale de machine à coudre ayant une partie de montage de pédale (44) fixée à une barre de pression (14), une partie de pression (46) pour appuyer sur un article devant être cousu lorsqu'une aiguille (12) perce l'article, un bras oscillant (47) ayant une rainure de guidage d'élément (42) pour guider une ligne d'élément (9) d'un organe de fixation à glissière (8) introduit dans la rainure, supporté sur la partie de montage de pédale (44) de façon à être apte à osciller par rapport à la partie de montage de pédale (44), et oscillant dans un plan vertical en parallèle avec une ligne de couture (28) pendant la couture, et des moyens de sollicitation (52) disposés entre la partie de montage de pédale (44) et le bras oscillant (47) et sollicitant le bras oscillant (47) par rapport à la partie de montage de pédale (44) vers l'article devant être cousu. La structure permet à la ligne d'élément (9) de l'organe de fixation à glissière (8) d'être guidée à la fois lorsque l'aiguille (12) perce l'article et lorsque l'aiguille forme une couture et, par conséquent, un tissu épais (6) et un organe de fixation de glissière cachée (8) qui sont difficiles à coudre l'un à l'autre peuvent être positionnés et cousus de façon précise.
PCT/JP2006/321974 2006-11-02 2006-11-02 Pédale de machine à coudre et machine à coudre WO2008053558A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BRPI0621989-6A BRPI0621989B1 (pt) 2006-11-02 2006-11-02 Pedal de máquina de costura e máquina de costura
PCT/JP2006/321974 WO2008053558A1 (fr) 2006-11-02 2006-11-02 Pédale de machine à coudre et machine à coudre
KR1020097011262A KR101116971B1 (ko) 2006-11-02 2006-11-02 재봉틀 풋 및 재봉틀
CN2006800562708A CN101535548B (zh) 2006-11-02 2006-11-02 缝纫机脚和缝纫机
JP2008541970A JP5305917B2 (ja) 2006-11-02 2006-11-02 ミシンフット及びミシン
EP06822892A EP2078774B1 (fr) 2006-11-02 2006-11-02 Pied presseur de machine à coudre et machine à coudre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/321974 WO2008053558A1 (fr) 2006-11-02 2006-11-02 Pédale de machine à coudre et machine à coudre

Publications (1)

Publication Number Publication Date
WO2008053558A1 true WO2008053558A1 (fr) 2008-05-08

Family

ID=39343917

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/321974 WO2008053558A1 (fr) 2006-11-02 2006-11-02 Pédale de machine à coudre et machine à coudre

Country Status (6)

Country Link
EP (1) EP2078774B1 (fr)
JP (1) JP5305917B2 (fr)
KR (1) KR101116971B1 (fr)
CN (1) CN101535548B (fr)
BR (1) BRPI0621989B1 (fr)
WO (1) WO2008053558A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010113314A1 (fr) * 2009-04-03 2010-10-07 Ykk株式会社 Elément presseur pour machine à coudre
WO2011077543A1 (fr) * 2009-12-25 2011-06-30 Ykk株式会社 Procédé permettant de coudre une demi-chaîne de fermeture à glissière, procédé de fabrication d'un produit sur lequel la fermeture à glissière est fixée, produit sur lequel la fermeture à glissière est fixée et pédale de machine à coudre
WO2011077534A1 (fr) * 2009-12-24 2011-06-30 Ykk株式会社 Procédé de couture de bande de fermeture, procédé de fabrication de produit auquel est fixée la fermeture, produit auquel est fixée la fermeture, et pied de machine à coudre
JP2018064748A (ja) * 2016-10-19 2018-04-26 株式会社イノアックコーポレーション 飾りステッチ付き表皮材の製造方法
JP7316426B2 (ja) 2021-12-28 2023-07-27 Ykk株式会社 縫製装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVR20110110A1 (it) * 2011-05-20 2012-11-21 Vi Be Mac Spa Dispositivo premistoffa e macchina da cucire comprendente tale dispositivo
CN102936798A (zh) * 2011-08-16 2013-02-20 苏州市青田企业发展有限公司 一种用于镶边的缝纫机压脚
CN102936799A (zh) * 2011-08-16 2013-02-20 苏州市青田企业发展有限公司 一种缝纫机的镶边方法
CN105637134B (zh) * 2013-10-17 2017-08-25 Ykk株式会社 缝纫机及针板构造、以及链牙列的缝纫方法
JP2016054830A (ja) * 2014-09-08 2016-04-21 Ykk株式会社 ミシンフット

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024751A (en) * 1960-02-24 1962-03-13 Mite Corp Zipper foot
JPS467221Y1 (fr) * 1968-03-16 1971-03-15
JPS5454462U (fr) * 1977-09-20 1979-04-14
JPS5454462A (en) 1977-10-08 1979-04-28 Hitachi Ltd Automatic two tub washing machine
JPS575552B2 (fr) * 1975-05-09 1982-01-30
JPS57189559U (fr) * 1981-05-28 1982-12-01
JPH0574474U (ja) 1992-03-23 1993-10-12 ヤマトミシン製造株式会社 ミシンの上送り装置
JPH08243278A (ja) * 1995-03-13 1996-09-24 Singer Nikko Kk ミシンの押さえ装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909136A (en) * 1956-12-18 1959-10-20 Placket Closing Corp Of Americ Sewing machine foot for use in sewing concealed sliding clasp fasteners
US3003444A (en) * 1959-06-10 1961-10-10 Jack Fromm Sewing machine zipper guide
US3098460A (en) * 1961-08-18 1963-07-23 Yoshida Tadao Sewing machine presser foot
US3259090A (en) * 1962-10-04 1966-07-05 Unique Zipper Distributing Co Zipper foot attachment for sewing machines
US3294048A (en) * 1963-10-22 1966-12-27 Micale Angelo Combination plain foot and slide fastener foot for sewing machines
US3511199A (en) * 1968-09-13 1970-05-12 Robert B Howell Zipper foot adapter shoes
US3858539A (en) * 1973-09-26 1975-01-07 Textron Inc Slide fastener presser foot assembly
JPS5645576Y2 (fr) * 1976-12-21 1981-10-24
JPS57129580A (en) * 1981-02-04 1982-08-11 Ricoh Co Ltd Facsimile control system
JPS5934460Y2 (ja) * 1981-02-09 1984-09-25 晃信精密機械株式会社 ミシン用布押え金
JP3670029B2 (ja) * 1993-09-27 2005-07-13 ジューキ株式会社 ミシンの送り機構
JP3529414B2 (ja) * 1993-12-13 2004-05-24 ジューキ株式会社 上下送りミシン

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024751A (en) * 1960-02-24 1962-03-13 Mite Corp Zipper foot
JPS467221Y1 (fr) * 1968-03-16 1971-03-15
JPS575552B2 (fr) * 1975-05-09 1982-01-30
JPS5454462U (fr) * 1977-09-20 1979-04-14
JPS5454462A (en) 1977-10-08 1979-04-28 Hitachi Ltd Automatic two tub washing machine
JPS57189559U (fr) * 1981-05-28 1982-12-01
JPH0574474U (ja) 1992-03-23 1993-10-12 ヤマトミシン製造株式会社 ミシンの上送り装置
JPH08243278A (ja) * 1995-03-13 1996-09-24 Singer Nikko Kk ミシンの押さえ装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2078774A4 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010113314A1 (fr) * 2009-04-03 2010-10-07 Ykk株式会社 Elément presseur pour machine à coudre
WO2011077534A1 (fr) * 2009-12-24 2011-06-30 Ykk株式会社 Procédé de couture de bande de fermeture, procédé de fabrication de produit auquel est fixée la fermeture, produit auquel est fixée la fermeture, et pied de machine à coudre
JPWO2011077534A1 (ja) * 2009-12-24 2013-05-02 Ykk株式会社 ファスナーストリンガーの縫製方法及びファスナー被着製品の製造方法、並びに、ファスナー被着製品及びミシンフット
US8910583B2 (en) 2009-12-24 2014-12-16 Ykk Corporation Method of sewing fastener stringer and method of manufacturing product to which fastener is attached
WO2011077543A1 (fr) * 2009-12-25 2011-06-30 Ykk株式会社 Procédé permettant de coudre une demi-chaîne de fermeture à glissière, procédé de fabrication d'un produit sur lequel la fermeture à glissière est fixée, produit sur lequel la fermeture à glissière est fixée et pédale de machine à coudre
US20120246889A1 (en) * 2009-12-25 2012-10-04 Ykk Corporation Method of Sewing Fastener Stringer, Method of Manufacturing Product to Which Fastener is Attached, Product to Which Fastener is Attached, and Sewing Machine Foot
JP5378544B2 (ja) * 2009-12-25 2013-12-25 Ｙｋｋ株式会社 ファスナーストリンガーの縫製方法及びファスナー被着製品の製造方法、並びに、ミシンフット
US9062401B2 (en) 2009-12-25 2015-06-23 Ykk Corporation Method of sewing a fastener stringer
JP2018064748A (ja) * 2016-10-19 2018-04-26 株式会社イノアックコーポレーション 飾りステッチ付き表皮材の製造方法
JP7316426B2 (ja) 2021-12-28 2023-07-27 Ykk株式会社 縫製装置

Also Published As

Publication number Publication date
EP2078774A1 (fr) 2009-07-15
JPWO2008053558A1 (ja) 2010-02-25
JP5305917B2 (ja) 2013-10-02
BRPI0621989B1 (pt) 2018-03-20
CN101535548A (zh) 2009-09-16
EP2078774A4 (fr) 2011-01-05
KR101116971B1 (ko) 2012-03-14
CN101535548B (zh) 2013-12-18
KR20090074096A (ko) 2009-07-03
BRPI0621989A2 (pt) 2011-12-27
EP2078774B1 (fr) 2012-08-22

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