CN101503847B - Sewing machine and winding device for such a sewing machine - Google Patents
Sewing machine and winding device for such a sewing machine Download PDFInfo
- Publication number
- CN101503847B CN101503847B CN2009100043307A CN200910004330A CN101503847B CN 101503847 B CN101503847 B CN 101503847B CN 2009100043307 A CN2009100043307 A CN 2009100043307A CN 200910004330 A CN200910004330 A CN 200910004330A CN 101503847 B CN101503847 B CN 101503847B
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- sewing machines
- conjugant
- winder
- machines according
- control agent
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- 238000009958 sewing Methods 0.000 title claims abstract description 35
- 238000004804 winding Methods 0.000 title 1
- 238000013016 damping Methods 0.000 claims abstract description 52
- 239000003795 chemical substances by application Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 22
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000000806 elastomer Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B47/00—Needle-thread tensioning devices; Applications of tensometers
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B59/00—Applications of bobbin-winding or -changing devices; Indicating or control devices associated therewith
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/26—Bobbin holders or casings; Bobbin holder or case guards; Bobbin discharge devices
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention relates to a sewing machine which comprises an upright post and an arm with an arm shaft that is connected with a needle driving bar with a drivable mode. A coiling device (8) is used for releasing clew from a bobbin. The coiling device (8) comprises a friction wheel (12) which can be driven by an arm shaft. A combination object (14) cooperates with the receiving part (16) of receiving object (13) which is connected with the friction wheel (12) and rotates together with the friction wheel. The coiling rotation motion of friction wheel (12) is stopped at the bonding position wherein the combination object (14) is positioned in the receiving part (16). The combination object (14) abuts against a receiving object (13) with a mode of elastic damping through a damping element (17). Thereby the sewing machine which can increase the service lifetime of coiling device is obtained.
Description
Technical field
The present invention relates to a kind of Sewing machines, comprising: column; The arm of band arm axle, this arm axle can be connected with a shank drivingly; Be used for decontroling (the coiling of (expansion) ball of string from bobbin; Spool) Winder, wherein, this Winder comprises can be by the friction pulley and a conjugant of arm axle driving; This conjugant be connected friction pulley and interact with the receptacle of the acceptor of rotation therewith; Wherein, be arranged in the bonding station of receptacle, the coiling of friction pulley rotatablely moved stop at conjugant.The invention still further relates to a kind of Winder that is used for this Sewing machines.
Background technology
Use the Sewing machines of the said type of known beginning through the existing public.When accomplishing the coiling process, Winder must stop at the circumferential location of confirming around one of coiling axis, guaranteeing and can initial position be provided repeatedly, makes in coiling process subsequently the line that can tensioning will twine.After the coiling process finished, when known Winder is braked and compelled when getting into the corresponding circumferential position of confirming, this can cause high load to the parts of Winder.
Summary of the invention
The objective of the invention is to develop a kind of Sewing machines that starts said type, make it possible to increase the service life of Winder.
Have been found that according to the present invention when Winder is braked along with the end of coiling process,, then can reduce the load on the parts of Winder if utilize damping element that conjugant is engaged.
Therefore, when Winder stops the rotation, can obtain a big braking distance.This braking distance makes the power load on the parts significantly reduce the influence that a said power load receives the braking of Winder.Significantly increase the service life of Winder.
The following modification of damping element is the geometry of the known Winder of slight modification only: in a kind of modification; Damping element comprises at least and is applied to the damping layer on the acceptor in the zone of the receptacle that is used for conjugant; Perhaps; In another kind of modification, damping element comprises at least in the zone of conjugant and contact surface receptacle and is applied to the damping layer on the conjugant.Existing Winder is renovated become to have damping element.
For the material of damping element, verified, for example elastomer, elastic foam or rubber are suitable for as damping element.
Particularly be made of metal, form is that the damping element of elasticity (with resilience) element can guarantee that Winder has long especially service life.
Flexible member by plastic material is processed can particularly be processed by polyurethane.
Be configured to separate with acceptor, and frictionally or the damping element of the parts that are connected with acceptor ordinatedly of shape can make the material of damping element be able to optimization aspect its damping characteristic.
Wherein the design that is integrally formed the Winder of part of damping element and acceptor can make damping element in bond.
The present invention also provides a kind of like this Winder, and it additionally comprises:
The control agent of-bias voltage, this control agent makes friction pulley be displaced to activation point from resting position, and to be used to activate Winder, wherein, control agent can be shifted between no active position and active position;
-pivotable release lever, this release lever and control agent are rigidly connected, and comprise that the ball of string that can contact with the outer wall of a ball of string that twines carries the surface secretly;
-wherein, control agent forms feasible, and the pivot of release lever causes control agent to be shifted to non-working position from active position because of the diameter of the ball of string that twined increases;
-wherein, conjugant and control agent and release lever are rigidly connected, but so that pivoted together; The bonding station of conjugant is consistent with the non-working position of control agent.
This Winder can be guaranteed end and the Braking mode of Winder along with the coiling process.In case a ball of string that twines reaches predetermined diameter, then a ball of string will trigger the braking of Winder.
Wherein conjugant and control agent are that the design no longer of Winder of the part of same parts needs the relative adjustment of conjugant with respect to control agent.
The advantage of Winder that is used for Sewing machines according to the present invention is with top corresponding with reference to described those advantages of Sewing machines.
Description of drawings
To embodiments of the invention be described in further detail by accompanying drawing below, wherein:
Fig. 1 shows and comprises the front schematic view that is used for decontroling from bobbin the Sewing machines of the Winder that winds the line;
Fig. 2 shows the enlarged perspective according to the Winder of the Sewing machines of Fig. 1;
Fig. 3 shows the detail drawing of the parts of the Winder of looking along direction III among Fig. 2, comprising the conjugant that rotatablely moves and stop of the reel that is used to make Winder;
Fig. 4 shows the vertical view of Winder before the coiling process begins, and line to be wound is clamped in the billhook below;
Fig. 5 shows the view of Winder when the coiling process has just begun of Fig. 4;
Fig. 6 show look along direction VI among Fig. 1, according to the vertical view of the part of the Sewing machines of Fig. 1;
Fig. 7 shows along the cutaway view of Fig. 6 center line VII-VII, has reflected the details of the driving of Winder;
Fig. 8-12 is to show driving other current location in the coiling process of Winder with the similar view of Fig. 7;
Figure 13 is to show another embodiment of Winder with the similar view of Fig. 2; And
Figure 14 is to show the hook spare of the conjugant that engages with reel of Winder with the similar amplification view of Fig. 7, with the another embodiment of explanation Winder.
The specific embodiment
Sewing machines 1 has the frame 2 that comprises arm 3 and column 4.The shank 5 that comprises eedle 6 drives via the arm axle that in arm 3, extends and moves up and down.Sewing thread with preset lines tensile force is provided via wire installation 7.
Sewing machines 1 has the Winder 8 that is used for decontroling from bobbin 9 ball of string.Wire guiding member via an elongate member (elongate articles) 11 and wire installation 7 provides the line 10 that will twine to Winder 8.
Fig. 2 and 3 shows the thin portion of Winder 8.The friction pulley 12 of Winder 8 can be driven by the arm axle of Sewing machines 1, drives with the rotation that is used for Winder 8, and this will be described hereinafter.Friction pulley 12 is formed by the O shape ring that is positioned on the reel 13.Reel 13 by plastic material for example polyurethane process, and be designed to injection-molded parts.
In the current location of Winder shown in Figure 2, the conjugant that its free end forms hook spare 15 engages with the receptacle 16 of reel 13, and therefore this reel is formed for the acceptor of conjugant 14.Be arranged in the bonding station of receptacle at conjugant shown in Figure 2 14, reel 13 and friction pulley 12 common rotatablely move and therefore the coiling campaign of Winder 8 stop.
At this bonding station, conjugant 14 via damping element 17 with the mode of elastic damping against acceptor 13.Damping element 17 is processed by elastomer, and is latched in the latch groove of reel 13 via locking foot 18, and this locking foot and latch groove are complementary, so that be connected ordinatedly with reel 13 shapes.When reel 13 was engaged 15 brakings of hook spare, because the compression of damping element 17 when reel 3 is braked, this damping element 17 caused a braking distance.This braking distance makes that braking acceleration reduces when Winder 8 is braked, and therefore makes along with coiling process end power load reduces.
A conjugant 14 and a control agent 19 are rigidly connected, and this control agent 19 comprises the switching cam of being with transform strike slip boundary 20.Have a ball of string and carry surface 22 release lever 21 secretly and be rigidly connected with conjugant 14 and control agent 19, in the coiling process, a ball of string is carried the outer wall of surface against a ball of string that is twined secretly.Conjugant 14, control agent 19 and release lever 21 can pivot around common pivot axis 23, and the coiling axis 25 that is limited roll 24 of this pivot axis and Winder 8 is parallel.
The free shank of sheet spring 26 is against the periphery wall of switching cam.The opposite end of sheet spring 26 is fixed to the supporting body 28 on the frame that is connected in of Winder 8 via release spring 27.
Be provided with around roll 24 in upwardly extending ball of string receptacle 29 of week, to be used in supporting body 28 rotations.In a circumferential position of ball of string receptacle 29, be provided with billhook 30, to be used to clamp the line 10 that is twined.In the coiling process, on roll 24, place a ball of string box 31.
Figure 4 and 5 show the beginning of coiling process.Fig. 4 shows when Winder 8 is closed-in other words, and before the coiling process begins-position of rotation of ball of string receptacle 29.The line 10 that is wrapped on the roll 24 is cut into Len req through billhook 30, and clamps, make that line 10 keeps tensioning when the coiling process begins against ball of string receptacle 29.Ball of string receptacle 29 that Fig. 5 shows the coiling process when beginning has been advanced along clockwise direction and about 1/5th has been changeed.
Fig. 6 shows the details of the driving of Winder 8.For this reason, friction pulley 12 interacts with the antetheca that toothed belt wheel 33 is arranged, and this has toothed belt wheel is the part of the band drive unit of Sewing machines 1.There is toothed belt wheel 33 to be connected, with therewith rotation with the arm axle 34 of Sewing machines 1.
Fig. 7-12 shows a series of current locations of the driving of Winder 8 in the coiling process.
Fig. 7 shows the Winder 8 of closing before the coiling process begins, and in other words, this Winder is positioned at also in the position shown in Fig. 4.The hook spare 15 of conjugant 4 is placed in the receptacle 16 of reel 13 via damping element 17.In the position according to Fig. 7, because the prevention of engagement hook part 15, Winder 8 can not be around 25 rotations of coiling axis.Fig. 7 also shows sheet spring 26 and how to be installed on the supporting mass 35 that is connected with roll 24.Supporting mass 35 is connected to reel 13.In the closed position according to Fig. 4 and 7, release spring 27 pulling reels 13 so drawing friction wheel 12 be away from the antetheca that toothed belt wheel 33 is arranged 32, makes friction pulley 12 be connected with having toothed belt wheel 33 to make separately to rub between them.Therefore Winder 8 is not driven.
Fig. 8 shows the enable possition of Winder 8.Winder 8 is opened like this: release lever 21 is pivoted around pivot axis 23, so that the hook spare 15 of conjugant 14 is thrown off with receptacle 16, engage thereby reel 13 is broken off with conjugant 14.This pivoting action causes sheet spring 26 to move to the upper right side of Fig. 8 by means of the switching cam of control agent 19; Thereby sheet spring 26 via supporting mass 35, overcome the biasing force of release spring 27 and reel 13 moved to the right side of Fig. 8; Begin against the antetheca that toothed belt wheel 33 is arranged 32 up to friction pulley 12; In other words, can be driven to curl up by arm axle 34 up to Winder 8 around coiling axis 25.
Now line 10 is wrapped in the ball of string box 31.For this reason, the ball of string of release lever 21 is carried surface 22 secretly and is contacted with the periphery wall of a ball of string that is formed by line 10.In the situation according to Fig. 8-9, therefore the diameter that increases gradually of a ball of string that is twined causes release lever 21 progressively to pivot along clockwise direction around pivot axis 23.Owing to be rigidly connected, control agent 19 also pivots with conjugant 14 simultaneously, shown in Fig. 8 waits.
Fig. 9 shows the current location that a ball of string almost arrives its desired thickness.The free end of sheet spring 26 almost contacts with the transform strike slip boundary 20 of the switching cam of control agent 19.
Figure 10 shows another current location in the pass closed procedure of Winder 8.The free end of sheet spring 26 moves the transform strike slip boundary 20 that exceeds control agent 19.This can make sheet spring 26 loosen, thereby the tension force of release spring 27 and the opposite elastic force of sheet spring 26 are increased relatively.The free end of sheet spring 26 presses control agent 19, makes the pivoting action edge of control agent 19-so conjugant 14-proceed according to the clockwise direction of Fig. 7-12.
Figure 11 shows the current location of Winder 18 before the hook spare 15 and the receptacle 16 of reel 13 will soon engage.Hook spare 15 is by helical form guiding wall 36 guiding of reel 13.This has guaranteed friction pulley 12 maintenances and has had toothed belt wheel 33 shapes to be connected, has closed to an end up to the coiling process.
Figure 12 shows the end of closing closed procedure, and in other words, the position of Winder 8 is corresponding with the position according to Fig. 7 aspect its driving.Difference only is that in the current location according to Figure 12, ball of string box 31 holds a ball of string that twines fully.
In the transition process according to the current location of Figure 11 and 12, damping element 17 increases the braking distance of reel 13 when braking through engagement hook part 15.The braking distance that is provided with damping element 17 accordingly, this causes the braking acceleration of reel 13 to reduce, and therefore causes the power load on the parts of Winder 8 correspondingly to reduce.
Figure 13 shows another modification of Winder 8.And have identical reference marker with reference to the described parts corresponding components of Fig. 1-12, and no longer explanation.
In the embodiment according to Figure 13, conjugant 14 is not as according among the embodiment of Fig. 1-12, being incorporated in the parts with control agent 19, in other words, is not to interconnect integratedly, but is installed in two parts on the pivotal axis 37 discretely.In this situation, conjugant 14 can be shifted with respect to control agent 19 on circumferential direction around pivot axis 23.In contrast to this, are parts of same parts according to the conjugant 14 of the embodiment of the Winder 8 of Fig. 1-12 with control agent 19, and regulate on circumferential direction around pivot axis 23 together.
Figure 14 is to show a kind of section of amplification of hook spare 15 of conjugant 14 of modification with the similar view of Fig. 7, and wherein, hook spare 15 engages with the receptacle 16 of reel 13.The border of damping layer 38 is shown in broken lines in Figure 14, and damping layer 38 is applied in receptacle 16 zones on the reel 13-in other words, is applied on the acceptor.In this situation, damping layer 38 replaces damping element 17.
Alternatively or additionally, can on hook spare 15, use corresponding damping layer 39, this damping layer is also shown by dashed lines in Figure 14.The selection of the thickness of damping layer 38,39 and material chosen depend on the requirement that acceleration force reduces when the reel 13 of Winder 8 is braked.
Claims (14)
1. Sewing machines (1) comprising:
-column (4);
The arm (3) of-band arm axle (34), this arm axle can be connected with shank (5) drivingly;
-be used for from the Winder (8) of bobbin (a 9) relieving ball of string;
Wherein, Winder (8) comprising:
-the friction pulley (12) that can drive by arm axle (34),
-conjugant (14), the receptacle (16) of this conjugant and an acceptor (13) interacts, and this acceptor connects friction pulley (12) to rotate with this friction pulley; Wherein, Be arranged in the bonding station of receptacle (16) at conjugant (14), the coiling of friction pulley (12) rotatablely moves and stops
It is characterized in that conjugant (14) is via damping element (17; 38; 39) with the mode of elastic damping against acceptor (13).
2. Sewing machines according to claim 1 is characterized in that, said damping element comprises damping layer (38), and this damping layer is applied on the acceptor (13) in the zone of the used receptacle (16) of conjugant (14) at least.
3. Sewing machines according to claim 1 is characterized in that, said damping element comprises damping layer (39), and this damping layer is applied on the conjugant (14) in the zone of the contact surface of conjugant (14) and receptacle (16) at least.
4. Sewing machines according to claim 1 is characterized in that, said damping element (17; 38; 39) process by elastomer.
5. Sewing machines according to claim 4 is characterized in that, said damping element (17; 38; 39) process by elastic foam or rubber.
6. Sewing machines according to claim 1 is characterized in that, said damping element (17) is configured to flexible member.
7. Sewing machines according to claim 6 is characterized in that said flexible member is made of metal.
8. Sewing machines according to claim 6 is characterized in that said flexible member is processed by plastic material.
9. Sewing machines according to claim 1 is characterized in that, said damping element (17) is configured to and acceptor (13) separated components.
10. Sewing machines according to claim 9 is characterized in that, said damping element (17) with friction or shape be connected with acceptor (13) ordinatedly.
11. Sewing machines according to claim 1 is characterized in that, said damping element and acceptor are integrally formed part.
12. Sewing machines according to claim 1 is characterized in that, said Winder (8) additionally comprises:
The control agent of-bias voltage (19), this control agent make friction pulley (12) be displaced to activation point from resting position, and to be used to activate Winder (8), wherein, control agent (19) can be shifted between no active position and active position;
-pivotable release lever (21), this release lever and control agent (19) are rigidly connected, and comprise that the ball of string that can contact with the outer wall of a ball of string that is twined carries surface (22) secretly;
-wherein, control agent (19) forms and makes the pivot of release lever (21) can cause owing to the diameter increase of a ball of string that is twined control agent (19) being shifted to no active position from active position;
-wherein, conjugant (14) is rigidly connected with control agent (19) and release lever (21), so that the ability pivoted together; The bonding station of conjugant (14) is consistent with the no active position of control agent (19).
13. Sewing machines according to claim 12 is characterized in that, said conjugant (14) and control agent (19) are the parts of same parts.
14. be used for the Winder of Sewing machines according to claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008007998A DE102008007998A1 (en) | 2008-02-07 | 2008-02-07 | Sewing machine and winding device for such a sewing machine |
| DE102008007998.7 | 2008-02-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101503847A CN101503847A (en) | 2009-08-12 |
| CN101503847B true CN101503847B (en) | 2012-11-07 |
Family
ID=40735084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100043307A Active CN101503847B (en) | 2008-02-07 | 2009-02-06 | Sewing machine and winding device for such a sewing machine |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2088229B1 (en) |
| JP (1) | JP5380094B2 (en) |
| KR (1) | KR101454036B1 (en) |
| CN (1) | CN101503847B (en) |
| DE (2) | DE102008007998A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012105837A (en) * | 2010-11-18 | 2012-06-07 | Juki Corp | Bobbin winder of sewing machine |
| DE102011085775A1 (en) | 2011-11-04 | 2013-05-08 | Dürkopp Adler AG | A method for automatically winding a spool and a spool and winding device for performing the method |
| CN102747542A (en) * | 2012-06-20 | 2012-10-24 | 吴江市隆泰喷织厂 | Stable thread tensioning device of sewing machine |
| DE202012011059U1 (en) * | 2012-11-19 | 2014-02-20 | Dürkopp Adler AG | sewing machine |
| CN103668810A (en) * | 2013-12-19 | 2014-03-26 | 吴江市菀坪宝得利缝制设备机械厂 | Thread winding device of sewing machine |
| CN103981647B (en) * | 2014-04-18 | 2016-02-03 | 桐乡市中昊机械模具有限公司 | The automatic coil winding machine of Sewing machines |
| CN106436069B (en) * | 2016-07-21 | 2020-02-14 | 青县朱氏缝纫机件制造厂 | Full-automatic bobbin thread winding machine |
| JP6867139B2 (en) * | 2016-11-09 | 2021-04-28 | Juki株式会社 | Sewing machine bobbin winder and sewing machine |
| CN107190433A (en) * | 2017-07-05 | 2017-09-22 | 拓卡奔马机电科技有限公司 | A kind of winding mechanism of sewing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3670974A (en) * | 1970-02-06 | 1972-06-20 | Fritz Gegauf Ag Bernina Nah Ma | Releasable winding mechanism for sewing machines |
| DE7803296U1 (en) * | 1978-02-04 | 1978-10-26 | Kochs Adler Ag, 4800 Bielefeld | SEWING MACHINE WINDING DEVICE. 700905 |
| DE4014554C1 (en) * | 1990-05-07 | 1991-08-29 | Pfaff Ag G M | Bobbin capsule for multi-needle sewing machine - has 1st spring to give looper thread tension and 2nd spring to receive slack thread part |
| CN1389613A (en) * | 2001-05-31 | 2003-01-08 | 重机公司 | Bobbin winding device |
| CN101096801A (en) * | 2006-06-30 | 2008-01-02 | 胜家有限公司 | Sewing machine, bobbin and bobbin case therefor and use |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH413567A (en) * | 1964-05-08 | 1966-05-15 | Gegauf Fritz Ag | Coupling device, in particular for sewing machines, for uncoupling the sewing machine mechanism from the drive wheel |
| US3333561A (en) * | 1964-11-16 | 1967-08-01 | Singer Co | Bobbin winders for sewing machines |
| JPS54124356U (en) * | 1978-02-20 | 1979-08-30 | ||
| JPS5820230Y2 (en) * | 1979-09-08 | 1983-04-26 | ブラザー工業株式会社 | sewing machine thread winding device |
| JP2762688B2 (en) * | 1990-05-17 | 1998-06-04 | ブラザー工業株式会社 | Sewing machine winding machine |
| JP5036978B2 (en) | 2005-05-11 | 2012-09-26 | Ｊｕｋｉ株式会社 | Sewing machine thread winding device |
| JP2007252414A (en) * | 2006-03-20 | 2007-10-04 | Juki Corp | Bobbin thread winder of sewing machine |
-
2008
- 2008-02-07 DE DE102008007998A patent/DE102008007998A1/en not_active Withdrawn
-
2009
- 2009-01-15 EP EP09000466A patent/EP2088229B1/en active Active
- 2009-01-15 DE DE502009000462T patent/DE502009000462D1/en active Active
- 2009-02-03 JP JP2009022514A patent/JP5380094B2/en active Active
- 2009-02-04 KR KR1020090008835A patent/KR101454036B1/en active IP Right Grant
- 2009-02-06 CN CN2009100043307A patent/CN101503847B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3670974A (en) * | 1970-02-06 | 1972-06-20 | Fritz Gegauf Ag Bernina Nah Ma | Releasable winding mechanism for sewing machines |
| DE7803296U1 (en) * | 1978-02-04 | 1978-10-26 | Kochs Adler Ag, 4800 Bielefeld | SEWING MACHINE WINDING DEVICE. 700905 |
| DE4014554C1 (en) * | 1990-05-07 | 1991-08-29 | Pfaff Ag G M | Bobbin capsule for multi-needle sewing machine - has 1st spring to give looper thread tension and 2nd spring to receive slack thread part |
| CN1389613A (en) * | 2001-05-31 | 2003-01-08 | 重机公司 | Bobbin winding device |
| CN101096801A (en) * | 2006-06-30 | 2008-01-02 | 胜家有限公司 | Sewing machine, bobbin and bobbin case therefor and use |
Non-Patent Citations (1)
| Title |
|---|
| JP平4-152969A 1992.05.26 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101503847A (en) | 2009-08-12 |
| EP2088229B1 (en) | 2011-03-23 |
| DE502009000462D1 (en) | 2011-05-05 |
| EP2088229A1 (en) | 2009-08-12 |
| DE102008007998A1 (en) | 2009-08-20 |
| KR20090086323A (en) | 2009-08-12 |
| KR101454036B1 (en) | 2014-10-27 |
| JP5380094B2 (en) | 2014-01-08 |
| JP2009183706A (en) | 2009-08-20 |
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