EP3781739B1 - Machine à coudre - Google Patents

Machine à coudre Download PDF

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Publication number
EP3781739B1
EP3781739B1 EP19709873.4A EP19709873A EP3781739B1 EP 3781739 B1 EP3781739 B1 EP 3781739B1 EP 19709873 A EP19709873 A EP 19709873A EP 3781739 B1 EP3781739 B1 EP 3781739B1
Authority
EP
European Patent Office
Prior art keywords
sewing
head
side arm
housing section
sewing machine
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.)
Active
Application number
EP19709873.4A
Other languages
German (de)
English (en)
Other versions
EP3781739A1 (fr
Inventor
Harald Kallenbach
Berthold Becker
Stefan Samstag
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.)
Pfaff Industriesysteme und Maschinen GmbH
Original Assignee
Pfaff Industriesysteme und Maschinen GmbH
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 Pfaff Industriesysteme und Maschinen GmbH filed Critical Pfaff Industriesysteme und Maschinen GmbH
Priority to HRP20220363TT priority Critical patent/HRP20220363T1/hr
Priority to SI201930214T priority patent/SI3781739T1/sl
Publication of EP3781739A1 publication Critical patent/EP3781739A1/fr
Application granted granted Critical
Publication of EP3781739B1 publication Critical patent/EP3781739B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B73/00—Casings
    • D05B73/02—Upper casings
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
    • D05B37/02—Slitting or grooving devices
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
    • D05B1/08—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
    • 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
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B23/00—Sewing apparatus or machines not otherwise provided for
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/30—Details
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B73/00—Casings
    • D05B73/04—Lower casings
    • D05B73/06—Lower casings for free-arm sewing machines
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/08—Fluid drives, e.g. pneumatic

Definitions

  • the invention relates to a sewing machine and a sewing installation with a sewing machine and a sewing method.
  • Such a sewing machine and a sewing system is known from prior public use of the RS 562 sewing machine and KL 500 sewing system by the applicant.
  • a sewing unit 3590 vario of the applicant is known through prior public use.
  • the DE 35 16 734 A1 discloses a long arm sewing machine with a pivoting sewing head.
  • the CN 202247280 U describes a sewing machine with pivotable components at the head end.
  • the DE 44 31 318 A1 discloses a suturing device with a needle system and a looper system.
  • the U.S. 7,347,152 B1 discloses a sewing machine with a position adjustable sewing head.
  • the DE 102 24 001 A1 discloses a sewing machine having a sewing machine head vertically movably mounted on a sewing machine arm.
  • the WO 89/09851 A1 discloses a sewing machine with a pivotable stitch forming unit.
  • the arm-housing section on the head side By pivoting the arm-housing section on the head side into the preparatory position for receiving/delivering a sewing material, the distance between the stitch-forming components in the sewing head and the stitch-forming components of the lower housing part is increased, so that the receiving of the sewing material, which is in particular on a sewing material carrier body or a sewing material -Stencil is applied, is relieved. This reduces the risk of material being damaged while being fed to or removed from the stitch-forming components. This is particularly useful for touch-sensitive fabrics. In particular, this is the case with a sewn product consisting of a composite comprising a number of layers, one layer being designed as a so-called slush skin. Such a slush skin can be produced using a powder sintering process. Such materials are preferably used for vehicle interior components such as dashboard supports, armrests, console covers or door panels. As a rule, these vehicle interior components are provided with a decorative seam, that is to say a seam that is not used
  • the positioning of a sewn material carrier body in hard-to-reach places can be made easier, with the risk of damage to the sewn material being reduced at the same time.
  • an angle between a longitudinal axis of the stand-side arm housing section and a longitudinal axis of the head-side arm housing section is no more than 45°, in particular no more than 30°, in particular no more than 15°.
  • the joint between the stand-side arm housing section and the head-side arm housing section forms a transition region from the stand-side arm housing section to the head-side arm housing section.
  • the sewing machine has a telescopic articulated arm shaft for connecting a drive unit to stitch forming components in the upper housing.
  • a telescopic articulated arm shaft provides an advantageous and cost-effective embodiment of the sewing machine.
  • the telescopic articulated arm shaft is preferably designed as a cardan shaft, so that an operative connection to the stitch-forming components in the upper part of the housing is maintained even in the preparation position.
  • the articulated telescopic arm shaft has an arm shaft joint on the stand side and an arm shaft joint on the head side, with a telescopic element being arranged between the arm shaft joint on the stand side and the head side.
  • This telescopic articulated arm shaft is structurally advantageous.
  • the telescopic element serves to compensate for changes in length as a result of the pivoting movement of the head-side arm housing section from the sewing position to the preparation position and vice versa.
  • the telescopic element is non-rotatably connected to the head-side and stand-side arm shaft joint.
  • the stand-side and/or the head-side arm shaft joint is designed as a universal joint.
  • a pivoting drive according to claim 4 ensures that the pivoting movement is carried out precisely.
  • the swivel drive is designed as an actuator or as a motor.
  • the swivel drive is a pneumatic, hydraulic or electric cylinder.
  • the swivel drive according to claim 5, designed as a pneumatic cylinder, is structurally particularly favorable.
  • the pneumatic cylinder is designed as a pneumatic cylinder that can be pressurized on both sides, also called a double-acting pneumatic cylinder.
  • a locking unit according to claim 6 ensures that the arm housing section on the head side remains in the sewing position during sewing.
  • the head-side arm housing section is additionally secured by prestressing the swivel drive in the sewing position.
  • a further object of the present invention is to provide a sewing system for sewing multi-dimensional seams in space with improved accessibility and/or processability of the sewing material.
  • the sewing unit is advantageously designed as a robot sewing unit.
  • This preferably includes a robotic arm with which the sewing machine can be oriented in any controlled manner in five or six degrees of freedom in space.
  • the material to be sewn can be fastened to a holder in a stationary manner.
  • the robot arm is arranged on the sewing material carrier body, so that the sewing material can be oriented in space in five or six degrees of freedom in any controlled manner.
  • the sewing machine can be fixed in a stationary manner.
  • a further object of the present invention is to provide a sewing system for sewing multidirectional seams lying in one plane with improved accessibility and/or processability of the sewing material.
  • the sewing machine is designed as a CNC sewing machine.
  • the sewing system is designed as a programmable large-area sewing machine.
  • the sewing material is in a sewing material template.
  • the material template is moved on a sewing table according to the seam to be formed.
  • a further object of the present invention is to provide a method for sewing seams that are multidimensional in space or seams that are multidirectional in one plane, in which the accessibility of the sewing material is improved.
  • this object is achieved by a method having the features specified in claim 10 .
  • the receiving position for receiving the sewing material to be sewn and the delivery position for delivering the sewn sewing material can be the preparatory position already explained above in connection with the sewing machine.
  • a method according to claim 11 ensures that the sewing can take place without problems.
  • the Figures 1 to 6 show an embodiment of a sewing system with a sewing machine 1, which is used in a robot sewing system, not shown.
  • the sewing machine 1 can be used in other sewing systems such as, for example, a large field automatic sewing machine, in particular a CNC sewing system, for sewing multidirectional seams lying in one plane.
  • the sewing machine 1 shown in detail for the robotic sewing unit is used for sewing spatial seams, in particular seams that are not three-dimensional in space.
  • An application example for the sewing unit is the attachment of decorative seam applications in the interior of vehicles, for example on instrument panels, door panels or armrests. These vehicle interior components preferably consist of so-called slush skins that are produced using a powder sintering process.
  • the robot sewing system includes a robot arm, not shown, with which the sewing machine 1 can be oriented in space in five or six degrees of freedom in any controlled manner.
  • a Cartesian xyz coordinate system is given in each of the figures.
  • the x-axis is perpendicular to the plane of the drawing figure 1 and runs into it.
  • the y-direction runs in the figure 1 to the left and the z-direction is in the figure 1 up.
  • the sewing machine inside 1 is in the sewing position for sewing multi-dimensional seams in space.
  • the sewing machine 1 with a sewing machine body 2 has a C-shaped basic structure a lower housing part 3, an upper housing part 4 and a stand 5 connecting the lower housing part 3 and the upper housing part 4.
  • the lower housing part 3 and the upper housing part 4 run along the y-direction.
  • the stand 5 runs along the z-direction.
  • the housing upper part 4 with a sewing head 6 is divided along the y-direction into a stand-side arm housing section 7 and a head-side arm housing section 8 .
  • stitch-forming components such as a needle bar 9 and phantom sewing needles 10 attached thereto are provided.
  • a stitch length adjusting device 11 known per se and a needle transport device 12 known per se are provided in the head-side arm housing section 8 .
  • the looper 13 is essentially covered by a throat plate 39 .
  • the lower gripper part 14 forms a column of the sewing machine 1 along the z-axis.
  • the lower gripper part 14 is arranged at the head-side end of the lower housing part 3 .
  • Gripper drive components (not shown) are provided both in the lower gripper part 14 and in the lower housing part 3 .
  • the gripper lower part 14 has two levers 40 . The latter are used to transmit a movement to a gripper joint, not shown.
  • a rotary movement is generated by a drive motor (not shown) with a drive shaft, so that the stitch-forming components, ie the needle bar 9 with the needle 10 and the gripper 13, are driven in a known manner.
  • the rotational movement is transmitted to a telescopic articulated arm shaft 16 in the upper part 4 of the housing and to a lower arm shaft 17 in the lower part 3 of the housing via a toothed belt 15 .
  • the lower arm shaft 17 is in operative connection with the gripper 13 with further gripper drive components.
  • the toothed belt 15 meshes with a telescopic upper arm shaft gear wheel 18 and a lower arm shaft gear wheel 19.
  • the articulated telescopic arm shaft 16 extends along the y-direction in the housing upper part 4 and has an arm shaft joint 20 on the stand side, an arm shaft joint 21 on the head side and a telescopic element 22 arranged between them.
  • the latter is designed as a non-rotatable connection, so that a transmission of the rotational movement of the telescopic articulated arm shaft 16 to the stitch formation components, in particular the stitch length adjusting device 11, is guaranteed.
  • the stand-side and the head-side arm shaft joint 20, 21 is designed as a universal joint, also known as a cardan joint.
  • the telescopic articulated arm shaft 16 is designed as a precision articulated shaft, which can also be referred to as a cardan shaft. This enables torque transmission with a kinked shaft assembly.
  • a joint 23 is arranged in the transition area between the stand-side arm housing section 7 and the head-side arm housing section 8 .
  • the joint 23 has a joint axis 24 which extends along the x-direction ( 6 ).
  • the joint 23 is on an upper housing wall 25 of the upper housing part 4 in the area of the stand-side arm housing section 7 attached and connected via an articulated bridge 26 to the arm housing section 8 on the head side.
  • the head-side arm housing section 8 is swiveled about the joint axis 24 from the sewing position into a preparatory position for picking up/releasing a sewing material ( 3 and 4 ).
  • the swivel drive 27 is designed as a pneumatic cylinder.
  • the sewing material which is applied to a sewing material carrier body or a sewing material template, is positioned opposite the stitch-forming components or removed, depending on the process stage.
  • the preparatory position is to be understood as a pick-up position or as a delivery position.
  • a distance 28 from the stitch-forming components, in particular the sewing needle 10, of the head-side arm housing section 8 to the stitch-forming components, in particular the looper 13 or the throat plate 39, of the lower housing part 3 is increased in the y and z directions ( 3 ). This makes it easier to pick up or release the sewing material, which is applied in particular to a sewing material carrier body or a sewing material template.
  • the swivel drive 27 has a stand-side radial bearing 29 and a head-side radial bearing 30 , the stand-side radial bearing 29 being provided in the stand-side arm housing section 7 and the head-side radial bearing 30 being provided in the head-side arm housing section 8 .
  • the stand-side and head-side radial bearings 29, 30 are connected by a working cylinder 31, which is partially shown (cf. 3 ).
  • the pivoting movement from the sewing position to the preparatory position is carried out by the swivel drive 27 in such a way that the working cylinder 31 is extended into an end position.
  • the radial bearing 30 on the head side is displaced in the y and z direction.
  • the head-side arm housing section 8 is pivoted up to 40° with respect to the stand-side arm housing section 7 .
  • a section of the telescopic articulated arm shaft 16, which is in operative connection with the stitch length adjusting device 11, is angled.
  • the resulting triangular space 32 is covered by a cover 33 that is indicated. This prevents the ingress of dust. In addition, a danger point formed by the triangular space 32 for the components that are at least partially exposed, in particular the telescopic articulated arm shaft 16, is minimized or eliminated.
  • a swivel movement of the head-side arm housing section 8 from the preparation position to the sewing position is carried out by the swivel drive 27 in such a way that the working cylinder 31 is retracted until it reaches the stops 34 . Accordingly, the space 32 is closed and distance 28 decreases.
  • the head-side arm housing section 8 is in the sewing position.
  • a locking unit 35 is provided for securing the head-side arm housing portion 8 at the sewing position during sewing ( figure 5 and 6 ).
  • This comprises a pin 36 and a closing part 37, the pin 36 being arranged in the arm housing section 7 on the stand side and the closing part 37 being fastened in the arm housing section 8 on the head side and protruding into the arm housing section 7 on the stand side ( 6 ).
  • a pneumatic cylinder With a pneumatic cylinder, the pin 36 is moved into the locking part 37 for locking or the pin 36 is moved out of the locking part 37 for unlocking.
  • the working cylinder 31 is pressurized.
  • the arm housing section 8 on the head side is in the sewing position and is unlocked ( 1 , 3 and 5 ).
  • the head-side arm housing section 8 is pivoted into a receiving position.
  • the receiving position is to be understood here as the preparatory position described above. Accordingly, the head-side arm housing section 8 is pivoted by extending the working cylinder 31 of the pivot drive 27 into the end position. This creates the distance 28 so that the sewing material to be sewn can be aligned with the gripper 13 and the lower gripper part 14 .
  • the head-side arm housing section 8 is pivoted from the receiving position into the sewing position. This is achieved by moving the working cylinder 31 of the swivel drive 27 up to the stops 34 .
  • the head-side arm housing section 8 is locked by pressurizing the working cylinder 31.
  • the head-side arm housing portion 8 is locked with the locking unit 35 before the start of sewing.
  • the pin 36 moves into the closing part 37 by means of the pneumatic cylinder.
  • At least one seam is then sewn.
  • the seam itself can be a double lockstitch, single lockstitch or double chain stitch.
  • at least one seam lying multidimensionally in space or at least one seam lying multidirectionally in one plane is sewn.
  • the head-side arm housing section 8 is unlocked.
  • the pin 36 moves out of the closing part 37 by means of the pneumatic cylinder.
  • the working cylinder 31 is then extended back into the end position, so that the arm housing section 8 on the head side is pivoted into the delivery position.
  • the delivery position is to be understood here as the preparatory position described above.
  • the distance 28 between the sewing needle 10 and the gripper 13 is increased here again, so that the sewn material can be removed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Inorganic Insulating Materials (AREA)
  • Massaging Devices (AREA)

Claims (11)

  1. Machine à coudre avec un boîtier de machine à coudre (2), présentant
    - une partie inférieure de boîtier (3),
    - une partie supérieure de boîtier (4) avec une tête de couture (6) et
    - un montant (5) qui relie la partie inférieure de boîtier (3) à la partie supérieure de boîtier (4),
    dans laquelle la partie supérieure du boîtier (4) comprend
    - une section de boîtier de bras côté montant (7),
    - une section de boîtier de bras côté tête (8) et
    - une articulation (23) entre la section de boîtier de bras côté montant (7) et la section de boîtier de bras côté tête (8),
    dans laquelle l'articulation (23) est disposée de telle sorte que la section de boîtier de bras côté tête (8) peut pivoter entre une position de préparation pour recevoir et/ou distribuer un matériau à coudre et une position de couture pour coudre le matériau à coudre,
    caractérisé par
    un arbre de bras articulé télescopique (16) pour relier une unité d'entraînement à des composants de formation de points dans la partie supérieure du boîtier (4),
    l'arbre de bras articulé télescopique (16) présentant une articulation d'arbre de bras côté montant (20) et une articulation d'arbre de bras côté tête (21), et un élément télescopique (22) étant disposé entre l'articulation d'arbre de bras côté montant et l'articulation d'arbre de bras côté tête (20, 21).
  2. Machine à coudre selon la revendication 1, caractérisée en ce que l'arbre de bras articulé télescopique (16) est réalisé sous forme d'arbre à cardan.
  3. Machine à coudre selon la revendication 1 ou 2, caractérisée en ce que l'élément télescopique (22) est relié de manière solidaire en rotation à l'articulation d'arbre de bras côté tête (21) et à l'articulation d'arbre de bras côté montant (20).
  4. Machine à coudre selon l'une quelconque des revendications 1 à 3, caractérisée par un entraînement pivotant (27) permettant de faire pivoter la section de boîtier de bras côté tête (8) dans la position de préparation ou dans la position de couture.
  5. Machine à coudre selon la revendication 4, caractérisée en ce que l'entraînement pivotant (27) est un cylindre pneumatique pivotant.
  6. Machine à coudre selon l'une quelconque des revendications 1 à 5, caractérisée par une unité de verrouillage (35) pour maintenir la section de boîtier de bras côté tête (8) en position de couture pendant la couture.
  7. Machine à coudre selon la revendication 6, caractérisée en ce que l'unité de verrouillage (35) comporte un cylindre pneumatique de verrouillage.
  8. Installation de couture pour coudre des coutures situées de manière multidimensionnelle dans l'espace avec une machine à coudre (1) selon l'une quelconque des revendications 1 à 7.
  9. Installation de couture pour coudre des coutures situées de manière multidirectionnelle dans un plan avec une machine à coudre (1) selon l'une quelconque des revendications 1 à 7.
  10. Procédé pour coudre des coutures situées de manière multidimensionnelle dans l'espace ou des coutures situées de manière multidirectionnelle dans un plan, comprenant les étapes de procédé suivantes
    - fournir une installation de couture selon la revendication 8 ou 9,
    - pivoter la section de boîtier de bras côté tête (8) dans une position de réception pour recevoir le matériau à coudre,
    - pivoter la section de boîtier de bras côté tête (8) dans une position de couture,
    - coudre au moins une couture dans la position de couture et
    - pivoter la section de boîtier de bras côté tête (8) dans une position de distribution pour la distribution du matériau à coudre.
  11. Procédé selon la revendication 10, caractérisé en ce que la section de boîtier de bras côté tête (8) est verrouillée avant la couture ou déverrouillée après la couture.
EP19709873.4A 2018-04-17 2019-03-04 Machine à coudre Active EP3781739B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
HRP20220363TT HRP20220363T1 (hr) 2018-04-17 2019-03-04 Šivaći stroj
SI201930214T SI3781739T1 (sl) 2018-04-17 2019-03-04 Šivalni stroj

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018205835.0A DE102018205835A1 (de) 2018-04-17 2018-04-17 Nähmaschine
PCT/EP2019/055326 WO2019201501A1 (fr) 2018-04-17 2019-03-04 Machine à coudre

Publications (2)

Publication Number Publication Date
EP3781739A1 EP3781739A1 (fr) 2021-02-24
EP3781739B1 true EP3781739B1 (fr) 2022-01-26

Family

ID=65724374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19709873.4A Active EP3781739B1 (fr) 2018-04-17 2019-03-04 Machine à coudre

Country Status (11)

Country Link
US (1) US11268225B2 (fr)
EP (1) EP3781739B1 (fr)
JP (1) JP7317043B2 (fr)
CA (1) CA3098224A1 (fr)
DE (1) DE102018205835A1 (fr)
ES (1) ES2907042T3 (fr)
HR (1) HRP20220363T1 (fr)
MX (1) MX2020009794A (fr)
PT (1) PT3781739T (fr)
SI (1) SI3781739T1 (fr)
WO (1) WO2019201501A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022206102A1 (de) 2022-06-17 2023-12-28 Pfaff Industriesysteme Und Maschinen Gmbh Nähanlage

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US361426A (en) 1887-04-19 Sewing-machine
DE2036697A1 (de) * 1970-07-24 1972-01-27 Kemptener Maschinenfabrik Gmbh, 8960 Kempten Kettelmaschine
DE2222549A1 (de) * 1972-05-08 1973-11-22 Singer Werke Gmbh Naehmaschine
JPS54140651A (en) * 1978-04-24 1979-11-01 Bunsaku Taketomi Machine both for final sewing and for lockksewing
US4520744A (en) * 1984-07-12 1985-06-04 Mario Portilla Sewing machine with articulated table assembly
DE3516734A1 (de) 1985-05-09 1986-11-13 Nähmaschinenfabrik Emil Stutznäcker GmbH & Co KG, 5000 Köln Langarm-naehmaschine
DE3518474A1 (de) 1985-05-23 1986-11-27 Kochs Adler Ag, 4800 Bielefeld Naehkopf fuer eine naehmaschine, insbesondere einen naehautomaten
DE3811897A1 (de) 1988-04-09 1989-10-26 Pfaff Ind Masch Naehmaschine mit schwenkbarer stichbildeeinheit
JPH05220282A (ja) * 1992-02-13 1993-08-31 Goro Ozawa ミシン装置
GB2277101A (en) * 1993-04-13 1994-10-19 Univ Nottingham Improvements to sewing machines
DE4431318C2 (de) * 1994-09-02 1997-05-28 Ksl Keilmann Sondermaschinenba Nähvorrichtung
JP3021570U (ja) * 1995-08-10 1996-02-27 ロイヤル工業株式会社 ハンディ自動ミシン
EP0939159B1 (fr) 1998-02-27 2001-09-05 Fritz Gegauf Ag Bernina-Nähmaschinenfabrik Machine à coudre à module de tête réglable
DE10224001B4 (de) 2002-05-29 2007-06-28 Kmf International Textilmaschinen Ag Nähmaschine
JP5220282B2 (ja) 2006-04-21 2013-06-26 三菱電機株式会社 研磨材及びその製造方法
US7347152B1 (en) 2007-02-16 2008-03-25 Sewtech Corporation Adjustable positioning device for head of sewing machine
CN202247280U (zh) 2011-10-11 2012-05-30 中国标准缝纫机公司上海惠工缝纫机三厂 一种直驱翻转式软垫电子花样机
DE102015220332A1 (de) * 2015-10-19 2017-04-20 Pfaff Industriesysteme Und Maschinen Gmbh Nähanlage
US10240271B2 (en) * 2016-03-08 2019-03-26 Toyota Motor Engineering & Manufacturing North America, Inc. Sewing apparatus

Also Published As

Publication number Publication date
DE102018205835A1 (de) 2019-10-17
PT3781739T (pt) 2022-02-23
JP7317043B2 (ja) 2023-07-28
MX2020009794A (es) 2022-02-15
ES2907042T3 (es) 2022-04-21
HRP20220363T1 (hr) 2022-05-13
WO2019201501A1 (fr) 2019-10-24
SI3781739T1 (sl) 2022-05-31
US20200399806A1 (en) 2020-12-24
JP2021520932A (ja) 2021-08-26
EP3781739A1 (fr) 2021-02-24
CA3098224A1 (fr) 2019-10-24
US11268225B2 (en) 2022-03-08

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