EP3257992B1 - Vertikales vollumlaufschiffchen - Google Patents

Vertikales vollumlaufschiffchen Download PDF

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Publication number
EP3257992B1
EP3257992B1 EP15881996.1A EP15881996A EP3257992B1 EP 3257992 B1 EP3257992 B1 EP 3257992B1 EP 15881996 A EP15881996 A EP 15881996A EP 3257992 B1 EP3257992 B1 EP 3257992B1
Authority
EP
European Patent Office
Prior art keywords
shuttle
rotation
engaging
bobbin case
engaging recess
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
EP15881996.1A
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English (en)
French (fr)
Other versions
EP3257992A1 (de
EP3257992A4 (de
Inventor
Jun Hatanaka
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.)
Hirose Manufacturing Co Ltd
Original Assignee
Hirose Manufacturing 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 Hirose Manufacturing Co Ltd filed Critical Hirose Manufacturing Co Ltd
Publication of EP3257992A1 publication Critical patent/EP3257992A1/de
Publication of EP3257992A4 publication Critical patent/EP3257992A4/de
Application granted granted Critical
Publication of EP3257992B1 publication Critical patent/EP3257992B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D05B57/08—Loop takers, e.g. loopers for lock-stitch sewing machines
    • D05B57/10—Shuttles
    • D05B57/14—Shuttles with rotary hooks
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D05B57/28—Applications of bobbins for storing the lower thread

Definitions

  • the present invention relates to a vertical full rotation shuttle provided on a sewing machine.
  • a vertical full rotation shuttle of the related art is described in, for example, Patent Literature 1.
  • the vertical full rotation shuttle of the related art includes an outer shuttle fixed to a lower shaft of the sewing machine and having a hook portion, an inner shuttle retained in a state of being accommodated in the outer shuttle, a bobbin case removably mounted in the inner shuttle, and a bobbin around which a lower thread is to be wound and configured to be accommodated in the bobbin case.
  • the lower shaft When a sewing action of the sewing machine is started, the lower shaft is rotated in a predetermined direction of rotation about a horizontal axis of rotation, and a sewing needle repeats an action of moving toward and away from the axis of rotation along an axial line perpendicular to the axis of rotation of the lower shaft.
  • a needle thread inserted through the sewing needle is caught by a hook portion and forms a needle thread loop.
  • the needle thread loop moves along a surface of the inner shuttle and passes over the lower thread, which causes the needle thread to engage with the lower thread drawn out from the inner shuttle through a needle hole in a needle plate over a sewing machine head, and stitches are formed on an object to be sewed.
  • the inner shuttle includes a substantially cylindrical peripheral wall part, a bridge part that extends in one diameter direction so as to be connected to one end of the peripheral wall part in an axial direction thereof to form a bottom portion, a stud provided on the bridge part so as to extend upright toward the other end of the peripheral wall part in the axial direction, an outwardly extending flange that extends radially outward so as to be connected to the other end of the peripheral wall part in the axial direction, and a substantially C-shaped track projection that projects from an outer peripheral surface of the peripheral wall part and extends in a circumferential direction.
  • the peripheral wall part is provided with a needle location hole in which the sewing needle is inserted, and the inner shuttle is restricted from rotating by a retaining member which is connected to a proximal end thereof to a body of a sewing machine so that the needle location hole is always aligned with an axial line of the sewing needle and is prevented from rotating following the outer shuttle.
  • the bobbin case includes a cylindrical peripheral wall part that is fitted into the inner shuttle; an end wall portion provided so as to close an opening on one end side of the peripheral wall part; an engaging strip retained on the end wall portion so as to be movable in a direction of a diameter perpendicular to an axial line of the peripheral wall part, and also referred to as a latch; a latch spring that resiliently biases the engaging strip in one direction; and an operating lever that moves the engaging strip in the other direction against a spring force of the latch spring.
  • the engaging strip includes a strip-shaped base portion; and an engaging portion that is connected at substantially a right angle to one end in a longitudinal direction of the base portion, and the engaging strip is resiliently biased in the one direction by the latch spring in a direction of causing the engaging portion to project in a state in which the engaging portion protrudes from the peripheral wall part.
  • the latch spring is formed of a compression coil spring, and is accommodated in a spring accommodating hole provided in the end wall portion in parallel to the longitudinal direction of the engaging strip.
  • the inner shuttle includes a peripheral wall part into which the peripheral wall part of the bobbin case can be approximately closely fitted; and a flange part that is connected to one end portion of the peripheral wall part on an opening end side, and the peripheral wall part and the flange part are provided with an engaging recess that extends across the peripheral wall part and the flange part so as to allow engagement of the above-described engaging portion.
  • the engaging portion of the bobbin case fits into and engages with the engaging recess of the inner shuttle and the bobbin case is restricted from rotating with respect to the inner shuttle about an axial line of the inner shuttle.
  • the EP 0 507 558 B1 and the JP H10 216382 A disclose a vertical full rotation shuttle having an outer shuttle fixed to a lower shaft, an inner shuttle retained by the outer shuttle so as to rotate about the axis of rotation, a bobbin case removably mounted in the inner shuttle, the bobbin case having an engaging strip that removably engages with an engaging recess with a clearance in the direction of rotation, and a bobbin accommodated in the bobbin case, wherein a member is supported in the engaging recess and disposed in the clearance in a state in which the engaging strip engages with the engaging recess.
  • Patent Literature 1 JP-Y2 61-14375(1986)
  • a clearance having a tolerance within a range of approximately 0.1 to 0.3 mm is provided between the engaging portion and the engaging recess in the direction of rotation thereof about the axial line of the inner shuttle. Therefore, there arises a problem of occurrence of vibrations in the bobbin case with respect to the inner shuttle mainly in the direction of rotation during a sewing operation, which may cause thread breakage or incidental looping due to changes in tension of an upper thread and a lower thread.
  • An object of the invention is to provide a vertical full rotation shuttle that is capable of preventing occurrence of thread breakage and incidental looping.
  • the invention provides a vertical full rotation shuttle including:
  • the vertical full rotation shuttle according to the invention is characterized in that the engaging strip includes an engaging portion that fits into and engages with the engaging recess and a base portion that has a long plate shape and is connected to the engaging portion in a state in which the bobbin case is mounted in the inner shuttle, and is formed into a substantially L-shape, in that the flange part is provided with the spring member that resiliently biases the engaging portion from an upstream side in the direction of rotation toward the downstream side in the direction of rotation by a spring force thereof in a state in which the engaging portion engages with the engaging recess, and in that the spring member is a leaf spring which is fixed to the flange part on the upstream side of the direction of rotation with respect to the engaging recess.
  • the leaf spring includes a mounting portion that has a long plate shape and is fixed to the flange part on the upstream side of the direction of rotation with respect to the engaging recess; and a projection extending from one end in a longitudinal direction of the mounting portion into the clearance and projecting toward the downstream side in the direction of rotation.
  • the engaging strip is resiliently biased by the spring member toward the downstream side in the direction of rotation in the state in which the bobbin case is mounted in the inner shuttle. Therefore, vibrations of the bobbin case with respect to the inner shuttle are restricted, and thus occurrence of thread breakage and incidental looping in association with changes in tension of the upper thread and the lower thread may be prevented.
  • FIG. 1 is a front view of a vertical full rotation shuttle 1 according to an embodiment of the invention
  • FIG. 2 is a cross-sectional view of the vertical full rotation shuttle 1 taken along the line II-II in FIG. 1
  • FIG. 3 is a front view of an inner shuttle 3
  • FIG. 4 is a front view of the inner shuttle 3 in which a bobbin case 5 having a bobbin 4 accommodated therein is mounted.
  • FIG. 5 is a cross-sectional view taken along the line V-V in FIG. 3
  • FIG. 6 is a cross-sectional view taken along the line VI-VI in FIG. 4 .
  • the vertical full rotation shuttle 1 of the invention includes an outer shuttle 2, the inner shuttle 3, a bobbin 4, and a bobbin case 5.
  • the outer shuttle 2 is fixed to a lower shaft 8 that is rotated in a direction indicated by an arrow A about an axis of rotation L2, which is perpendicular to an axial line L1 of a needle bar 7 on which a sewing needle 6 is detachably coaxially mounted.
  • the outer shuttle 2 includes a tapered hook portion 9 having a distal end facing the downstream side in the direction of rotation A of the lower shaft 8.
  • the inner shuttle 3 is fitted into the outer shuttle 2, and a projection of a retaining member, which is not illustrated, fits into a recess 10 to restrict the inner shuttle 3 from rotating.
  • the inner shuttle 3 includes a cylindrical peripheral wall part 12 provided with a needle location hole through which the sewing needle 6 is inserted; a bottom portion 13 which is connected to other end portion of the peripheral wall part 12 in an axial direction thereof, extends in a direction of a diameter, and is also referred to as a bridge; a stud 14 provided perpendicularly upright from a center of the bottom portion 13 toward one end portion of the peripheral wall part 12 in the axial direction thereof; a flange part 15 which is connected to the one end portion of the peripheral wall part 12 in the axial direction thereof and is formed so as to extend radially outward; and a track projection 16 formed on the peripheral wall part 12 so as to project from an outer peripheral surface thereof.
  • the inner shuttle 3 is provided with an engaging recess 28 so as to extend across the peripheral wall part and the flange part 15.
  • the outer shuttle 2 and the inner shuttle 3 are formed, for example, of carburized carbon steel, and are provided with a hardness of 650 HV or more by thermal treatment.
  • the bobbin 4 and the bobbin case 5 are formed of iron steel or stainless steel.
  • the flange part 15 is provided with the needle location hole described above formed behind the recess 10, that is, on one end side of the peripheral wall part 12 in the axial direction thereof, and a lower thread guiding groove 35 that opens toward a fitting space which is defined by the recess 10 and to which the projection of the retaining member described above, which is not illustrated, fits from the downstream side in the direction of rotation A.
  • the lower thread guiding groove 35 allows insertion of a lower thread 21 drawn out from between a peripheral wall part of the bobbin case 5 and a thread tensioning spring 33 provided on the peripheral wall part, so that the lower thread 21 passing through a needle hole of a needle plate provided on a sewing machine head in a tensed manner is maintained in a state of being fitted in the lower thread guiding groove 35 and prevented from being protruded outside the recess 10 even though the lower thread 21 is loosened by a thread cutting action of a thread cutter, not illustrated, while leaving the recess 10 and coming apart completely at the time of passing over.
  • the bobbin case 5 is removably mounted in the inner shuttle 3, and the bobbin 4 having the lower thread 21, which is referred to as a bobbin thread, wound therearound is accommodated in the bobbin case 5.
  • the bobbin case 5 is provided with a first notch 22 that allows downward movement of the sewing needle 6.
  • the first notch 22 is formed in the peripheral wall part of the bobbin case 5 so as to extend in the axial direction and continues to a second notch 23.
  • the bobbin case 5 is provided with a latch mechanism 25 that disengageably engages with the inner shuttle 3.
  • the inner peripheral portion 17 of the inner shuttle 3 is provided with a pair of projections 24.
  • the projections 24 come into contact with an inner surface of the peripheral wall part of the bobbin case 5 that opposes via the second notch 23. In this configuration, when mounting the bobbin case 5 in the inner shuttle 3, insertion of the bobbin case 5 into the inner shuttle 3 is guided, and relative angular displacement between the bobbin case 5 and the inner shuttle 3 is restricted in cooperation with the latch mechanism 25.
  • the latch mechanism 25 includes an operating lever 26 and an engaging strip 27, restricts the angular displacement between the inner shuttle 3 and the bobbin case 5 by the engaging strip 27 engaging with the engaging recess 28 formed on the inner shuttle 3, and locks the bobbin case 5 with respect to the inner shuttle 3 and prevents the same from coming out therefrom.
  • the latch mechanism 25 can release the bobbin case 5 from the inner shuttle 3.
  • the engaging strip 27 includes an engaging portion 27a that fits into and engages with the engaging recess 28 and a base portion 27b that has a long plate shape and is connected to the engaging portion 27a in a state in which the bobbin case 5 is mounted in the inner shuttle 3, and is formed into a substantially L-shape.
  • the engaging portion 27a engages with the engaging recess 28 with a clearance in the direction of rotation.
  • the flange part 15 is provided with a spring member 50 that resiliently biases the engaging portion 27a from an upstream side in the direction of rotation A toward the downstream side in the direction of rotation A by a spring force thereof in a state in which the engaging portion 27a engages with the engaging recess 28.
  • the above-described spring member 50 is disposed in the clearance described above.
  • FIG. 7 is an enlarged cross-sectional view of a portion near the spring member 50
  • FIG. 8 is a side view of the inner shuttle 3
  • FIG. 9 is a side view of the inner shuttle 3 in which the bobbin case 5 is mounted.
  • FIG. 10 is a back view of the inner shuttle 3
  • FIG. 11 is a back view of the inner shuttle 3 in which the bobbin case 5 is mounted.
  • the spring member 50 includes a mounting portion 51 that has a long plate shape and is fixed to the upstream side in the direction of rotation A with respect to the engaging recess 28 of the flange part 15, and a projecting portion 52 that is bent from an end of the mounting portion 51 in the longitudinal direction at a substantially right angle, extends inward of the engaging recess 28, and is bent to form a projection projecting toward the downstream side (upward in FIG. 7 ) in the direction of rotation A.
  • the spring member 50 is a leaf spring formed of a spring steel plate having a thickness on the order of 0.15 mm, for example.
  • the mounting portion 51 may be fixed to the flange part 15 by providing the flange part 15 with a mounting groove 53 extending in a direction of tangent line which is perpendicular to the axial line parallel to the longitudinal direction of the mounting portion 51 on an imaginary plane perpendicular to the axial line L2 of the lower shaft 8, and performing a swaging process in which both side portions 54a and 54b are swaged in directions close to each other in a state in which the mounting portion 51 is fitted into the mounting groove 53 so as to cause the mounting portion 51 to be tightly interposed between the side portions 54a and 54b.
  • the projecting portion 52 includes a first portion 56 that inclines toward the downstream side in the direction of rotation A when viewing in a direction of insertion of the engaging portion 27a into the engaging recess 28 (rightward in FIG. 7 ) and a second portion 58 that extends via a peak portion 57 located on the downstream most side in the direction of rotation A and inclines toward the upstream side of the direction of rotation A toward the direction of insertion.
  • the engaging portion 27a engages with the engaging recess 28, and the peak portion 57 of the spring member 50 resiliently abuts on the engaging portion 27a and is pressed by a constant pressing force from the upstream side in the direction of rotation. Accordingly, vibrations of the bobbin case 5 with respect to the inner shuttle 3 are restricted during a sewing operation, it is possible to prevent changes in tension of the upper thread and the lower thread in association with the vibrations and occurrence of thread breakage and incidental looping.
  • FIG. 12 is an enlarged cross-sectional view illustrating a portion near a spring member 50a of the inner shuttle 3 provided on a vertical full rotation shuttle 1a according to another embodiment of the invention
  • FIG. 13 is an enlarged cross-sectional view of a portion near the spring member 50a of the inner shuttle 3 in which the bobbin case 5 is mounted. Portions corresponding to the above-described embodiment are denoted by the same reference numerals and overlapped description will be omitted.
  • the vertical full rotation shuttle 1a of this embodiment includes the outer shuttle 2, the inner shuttle 3, the bobbin 4, the bobbin case 5, and the spring member 50a.
  • the spring member 50a includes a mounting portion 61, a first portion 62 that has a substantially semi-cylindrical shape and is connected to the mounting portion 61 at one end portion in the longitudinal direction, and a second portion 63 that is connected to the first portion 62 and is inclined toward the upstream side in the direction of rotation A when viewing in the direction of insertion (rightward in FIG. 12 ) of the bobbin case 5.
  • the spring member 50a is a leaf spring formed of a spring steel plate having a thickness on the order of 0.15 mm, for example.
  • the mounting portion 61 is fixed to the flange part 15 in the groove 53 by a rivet 64.
  • the spring member 50a as described above presses the engaging portion 27a by the second portion 63 on the downstream side in the direction of rotation A, and also in the direction of insertion of the bobbin case 5. Therefore, rattling and vibrations of the bobbin case 5 about the axial line L2 may be suppressed, and rattling and vibrations of the same in the direction of the axial line L2 may also be suppressed. Accordingly, it is possible to prevent occurrence of thread breakage and incidental looping more certainly.
  • FIG. 14 is an enlarged cross-sectional view illustrating a portion near a spring member 50b of the inner shuttle 3 provided on a vertical full rotation shuttle 1b according to still another embodiment of the invention
  • FIG. 15 is an enlarged cross-sectional view of a portion near the spring member 50b of the inner shuttle 3 in which the bobbin case 5 is mounted. Portions corresponding to the above-described embodiments are denoted by the same reference numerals and overlapped description will be omitted.
  • the vertical full rotation shuttle 1b of this embodiment includes the outer shuttle 2, the inner shuttle 3, the bobbin 4, the bobbin case 5, and the spring member 50b.
  • the spring member 50b includes a mounting portion 71; a first portion 72 that is bent at an angle larger than a right angle, is connected to an end of the mounting portion 71 in the longitudinal direction, and extends into the engaging recess 28; and a projecting portion 73 that is connected to the first portion 72 and projects so as to protrude toward the downstream side in the direction of rotation A at a position close to an end on the downstream side in the direction of insertion of the bobbin case 5.
  • the spring member 50b is a leaf spring formed of a spring steel plate having a thickness on the order of 0.15 mm, for example.
  • the mounting portion 71 is fixed to the flange part 15 by a rivet 74.

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

Claims (2)

  1. Vertikales Vollrotationsschiffchen (1, 1a, 1b), umfassend:
    ein äußeres Schiffchen (2), das an einer unteren Welle (8) befestigt ist, die um eine Drehachse (L2) drehbar ist, die sich senkrecht zu einer Axiallinie (L1) einer Nadelstange (7) erstreckt, an der eine Nähnadel (6) angebracht ist, wobei das äußere Schiffchen (2) einen Hakenabschnitt (9) einschließt, der ein distales Ende aufweist, das sich zu einer stromabwärtigen Seite in einer Drehrichtung (A) der unteren Welle (8) verjüngt;
    ein inneres Schiffchen (3), das von dem äußeren Schiffchen (2) so gehalten wird, dass es sich um die Drehachse (L2) dreht, wobei das innere Schiffchen (3) einen Umfangswandteil (12) einschließt, der eine zylindrische Form aufweist und mit einem Nadelpositionierungsloch bereitgestellt ist, in das die Nähnadel (6) eingeführt werden kann, und mit einem Flanschteil (15), der sich von einem Ende des Umfangswandteils (12) radial nach außen erstreckt, wobei eine Eingriffsaussparung (28) über dem Umfangswandteil (12) und dem Flanschteil (15) bereitgestellt ist;
    eine Spulenkapsel (5), die herausnehmbar in dem inneren Schiffchen (3) montiert ist, wobei die Spulenkapsel (5) einen Eingriffsstreifen (27) aufweist, der herausnehmbar in die Eingriffsaussparung (28) mit einem Spiel in der Drehrichtung (A) eingreift;
    ein Federelement (50, 50a, 50b), das in der Eingriffsaussparung (28) gelagert und in dem Zwischenraum in einem Zustand angeordnet ist, in dem der Eingriffsstreifen (27) in die Eingriffsaussparung (28) eingreift; und
    eine in der Spulenkapsel (5) untergebrachte Spule (4) zum Aufwickeln eines Unterfadens (21) darauf,
    dadurch gekennzeichnet, dass der Eingriffsstreifen (27) einen Eingriffsabschnitt (27a), der in die Eingriffsaussparung (28) passt und in diese eingreift, und einen Basisabschnitt (27b) einschließt, der die Form einer langen Platte aufweist und mit dem Eingriffsabschnitt (27a) in einem Zustand verbunden ist, in dem die Spulenkapsel (5) in dem inneren Schiffchen (3) montiert ist, und im Wesentlichen L-förmig geformt ist, dass das Flanschteil (15) mit dem Federelement (50, 50a, 50b) bereitgestellt ist, das den Eingriffsabschnitt (27a) von einer stromaufwärtigen Seite in der Drehrichtung (A) zu der stromabwärtigen Seite in der Drehrichtung (A) durch eine Federkraft desselben in einem Zustand elastisch vorspannt, in dem der Eingriffsabschnitt (27a) mit der Eingriffsaussparung (28) in Eingriff steht, und dass das Federelement (50, 50a, 50b) eine Blattfeder ist, die an dem Flanschteil (15) auf der stromaufwärtigen Seite der Drehrichtung (A) in Bezug auf die Eingriffsaussparung (28) befestigt ist.
  2. Vertikales Vollrotationsschiffchen (1, 1a, 1b) nach Anspruch 1, wobei die Blattfeder einen Montageabschnitt (51, 61, 71) aufweist, der die Form einer langen Platte aufweist und auf der stromaufwärtigen Seite der Drehrichtung (A) in Bezug auf die Eingriffsaussparung (28) an dem Flanschteil (15) befestigt ist; und einen Vorsprung (52, 57, 73), der sich von einem Ende in einer Längsrichtung des Montageabschnitts (51, 61, 71) in den Freiraum erstreckt und in Richtung der stromabwärtigen Seite in der Drehrichtung (A) vorsteht.
EP15881996.1A 2015-02-13 2015-02-13 Vertikales vollumlaufschiffchen Active EP3257992B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/054038 WO2016129122A1 (ja) 2015-02-13 2015-02-13 垂直全回転かま

Publications (3)

Publication Number Publication Date
EP3257992A1 EP3257992A1 (de) 2017-12-20
EP3257992A4 EP3257992A4 (de) 2018-07-04
EP3257992B1 true EP3257992B1 (de) 2023-04-05

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EP15881996.1A Active EP3257992B1 (de) 2015-02-13 2015-02-13 Vertikales vollumlaufschiffchen

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EP (1) EP3257992B1 (de)
JP (1) JP6440746B2 (de)
KR (1) KR101962264B1 (de)
CN (1) CN107109747B (de)
WO (1) WO2016129122A1 (de)

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Publication number Priority date Publication date Assignee Title
CN111593505B (zh) * 2019-02-20 2024-08-02 浙江中捷缝纫科技有限公司 勾线结构及具有其的缝纫机
JP7369439B2 (ja) 2019-10-16 2023-10-26 株式会社 神崎高級工機製作所 減速逆転機
JP7369438B2 (ja) 2019-10-02 2023-10-26 株式会社 神崎高級工機製作所 減速逆転機

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6314375Y2 (de) * 1981-01-12 1988-04-22
JPS58152277U (ja) * 1982-04-01 1983-10-12 株式会社廣瀬製作所 ミシンの全回転かま
JPS6114375U (ja) 1984-06-29 1986-01-28 追浜工業株式会社 エンジン回転計
JPS6141674U (ja) * 1984-08-23 1986-03-17 ジャガー株式会社 ミシンの全回転釜
JPH0268096A (ja) * 1988-09-01 1990-03-07 Hirose Mfg Co Ltd 本縫いミシンの全回転かま
JP2972965B2 (ja) * 1991-03-31 1999-11-08 ブラザー工業 株式会社 ミシンの全回転かま
JPH0642626Y2 (ja) * 1991-11-05 1994-11-09 株式会社廣瀬製作所 垂直全回転かま
CN1110590C (zh) * 1997-01-29 2003-06-04 株式会社广濑制作所 缝纫机的梭板
JP2824246B2 (ja) * 1997-02-07 1998-11-11 株式会社廣瀬製作所 ミシンのかま
KR100420672B1 (ko) * 1999-05-28 2004-03-02 히로세 세이사쿠쇼 전회전가마
JP5197197B2 (ja) * 2008-07-04 2013-05-15 Ｊｕｋｉ株式会社 ミシンのボビンケース
ITMI20130324A1 (it) * 2013-03-04 2014-09-05 Cm Cerliani S R L Crochet rotativo con capsula per macchina per cucire a punto annodato comprendente mezzi per ridurre i giochi tra capsula e cestello e ridurne la rumorosita'

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Publication number Publication date
JPWO2016129122A1 (ja) 2017-11-30
EP3257992A1 (de) 2017-12-20
KR20170065627A (ko) 2017-06-13
EP3257992A4 (de) 2018-07-04
JP6440746B2 (ja) 2018-12-19
CN107109747A (zh) 2017-08-29
WO2016129122A1 (ja) 2016-08-18
KR101962264B1 (ko) 2019-03-26
CN107109747B (zh) 2019-08-13

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