CN106978679A - Bobbin casing - Google Patents
Bobbin casing Download PDFInfo
- Publication number
- CN106978679A CN106978679A CN201710028312.7A CN201710028312A CN106978679A CN 106978679 A CN106978679 A CN 106978679A CN 201710028312 A CN201710028312 A CN 201710028312A CN 106978679 A CN106978679 A CN 106978679A
- Authority
- CN
- China
- Prior art keywords
- line
- offline
- bobbin
- kettle
- hole
- 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.)
- Pending
Links
- 238000009958 sewing Methods 0.000 claims abstract description 23
- 230000002265 prevention Effects 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 description 9
- 238000000605 extraction Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000408529 Libra Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Classifications
-
- 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)
Abstract
The present invention to offline while apply big line tension, while preventing offline returning from twisting.In offline bobbin (31) to be contained in the bobbin casing (40) of sewing machine of inside, it is configured to possess the rotation prevention portion (46) stretched out on the outside of the radial direction of the side of sidewall portion (42) around bobbin (31), rotation prevention portion (46), which is provided with least two, makes the offline line being inserted through be inserted through portion (461,462).Furthermore it is possible at least one line portion of being inserted through is set into through hole, alternatively, it is also possible to which at least one line portion of being inserted through is set into otch.Alternatively, it is also possible to be inserted through the edge implementation chamfering or rounded shapes in portion to each line.Thus, because offline one side is slided at multiple angles while pass through rotation prevention portion, therefore avoid back twisting and strongly applying line tension.
Description
Technical field
The present invention relates to the bobbin casing of sewing machine.
Background technology
The offline state to be wound in bobbin of sewing machine, in the center of the middle kettle of the downside of needle plate, is contained in bobbin
In housing.
Bobbin casing is located at the center of middle kettle, in order to carry out half spinning movement not together with kettle in this, is stretched out from preceding surface
The rotation prevention portion stretched out on the outside of to radial direction, the leading section of the rotation prevention portion is chimeric with the recess of middle kettle pressing piece.In addition, stopping at this
The leading section of transfer part, is formed through and is inserted through hole for the offline line passed through, and rotation prevention portion also has to be guided upward by offline
Function.
In addition, in the periphery of bobbin casing, being formed with the opening of the slit-shaped of offline extraction, in order to which the opening is inaccessible
And laminal line spring for governor is installed.The line spring for governor is between the outer peripheral face of bobbin casing by under extraction
Wire clamp is held, by offline application clamp pressure, so as to offline application line tension.In addition, on-line control device spring is provided with
For the screw that offline clamp pressure is adjusted, operator is rotated screw using instrument, thus carries out offline line
The regulation of tension force (for example, referring to patent document 1).
Patent document 1：Japanese Unexamined Patent Publication 8-257281 publications
According to the material of sewn object, thickness, hardness etc., it is sometimes desirable to further enhance offline tension force.
In above-mentioned existing bobbin casing, in order to further enhance offline tension force, it is necessary to by line spring for governor more
Press, strongly clamp offline to the periphery surface side of bobbin casing at full tilt.
But, if more strongly clamp it is offline, by close clearance offline generation return twist, the tip of middle kettle is entered
Enter the gap for constituting offline fine rule and hook, it is possible to can not be sewed.
The content of the invention
It is an object of the present invention to while apply sufficient tension force, while carrying out good sewing to offline, the present invention has
There are the arbitrary characteristics of following (1)~(4).
(1)
In the bobbin casing of sewing machine,
Offline bobbin is contained in inside, the bobbin casing of the sewing machine is characterised by,
Possess rotation prevention portion, the rotation prevention portion stretches out to the radial direction outside of the side of sidewall portion around the bobbin,
The rotation prevention portion, which is provided with least two, makes the offline line being inserted through be inserted through portion.
(2)
In the bobbin casing for the sewing machine that above-mentioned (1) is recorded, it is characterised by,
At least one described line portion of being inserted through is through hole.
(3)
In the bobbin casing for the sewing machine that above-mentioned (1) or (2) is recorded, it is characterised by,
At least one described line portion of being inserted through is otch.
(4)
In the bobbin casing for the sewing machine that any one of above-mentioned (1) to (3) is recorded, it is characterised by,
Implement chamfering or rounded shapes in the edge that portion is inserted through to the line.
The effect of invention
The present invention is provided with the rotation prevention portion of bobbin casing offline at least two lines being inserted through being inserted through portion, because
This by make it is offline be inserted through being inserted through in portion above-mentioned so that it is offline at more angles slide, be inserted through with line
Portion is only that the situation of one is compared, and can apply bigger line tension to offline.
Therefore, in the case where needing the line tension bigger to offline application, without strongly tight by line spring for governor
Gu, the winding returned the generation twisted, be effectively prevented from tip of the line as caused by the fastening can be efficiently reduced, is carried out well
Sewing.
Brief description of the drawings
Fig. 1 is to represent the exploded perspective view in the primary structure of the container mechanism of sewing machine carrying.
Fig. 2 is the oblique view from rear ramp of bobbin casing.
Fig. 3 be bobbin casing by a part omit after front view.
Fig. 4 be bobbin casing by a part omit after left side view.
Fig. 5 be the variation (1) of bobbin casing by a part omit after front view.
Fig. 6 be the variation (2) of bobbin casing by a part omit after front view.
The explanation of label
30 container mechanisms
31 bobbins
Kettle in 33
Kettle pressing piece in 35
352 recesses
40th, 40A, 40B bobbin casing
42 side of sidewall portion
45 line springs for governor
46th, 46A, 46B corner (rotation prevention portion)
452 adjusting screws
461 First Lines are inserted through hole (line is inserted through portion)
462 second lines are inserted through hole (line is inserted through portion)
461A First Lines are inserted through portion
The lines of 462A second are inserted through portion
The lines of 463B the 3rd are inserted through hole (line is inserted through portion)
Embodiment
[schematic configuration of the embodiment of invention]
Based on Fig. 1~Fig. 4, the bobbin casing 40 of the sewing machine as embodiments of the present invention is illustrated.
Herein, by along the level of the rotation centerline of the middle kettle 33 (below describe) housed to bobbin casing 40
Direction is set to Y direction, and a side of the Y direction is set into " preceding ", the opposing party is set to " rear ".In addition, by level and and Y-axis
The orthogonal direction in direction is set to X-direction, parallel with the X-direction and towards being set to left-hand side in the state of " rear " direction
" left side ", right-hand side is set on " right side ".In addition, vertical above-below direction is set into Z-direction, one side is set to " on ", will be another
Just be set to " under ".
[container mechanism]
Fig. 1 is to represent the exploded perspective view in the primary structure of the container mechanism 30 of sewing machine carrying.As shown in figure 1, kettle machine
Structure 30 possesses：Driver 32, it applies reciprocating rotation by sewing machine electromotor and acted；As the middle kettle 33 of semi-rotating kettle, its from
Driver 32 is applied in reciprocating rotation；Bobbin 31 and bobbin casing 40, they are accommodated in the inner side of middle kettle 33；Big kettle 34, its with
Kettle 33 during the mode for enabling kettle 33 to rotate is housed；Middle kettle pressing piece 35, it is installed on the preceding surface of big kettle 34, centering kettle 33
Pressed, to cause middle kettle 33 not come off forwards；And upper spring 36, it is formed with the opening being inserted through for suture.
Above-mentioned big kettle 34 is formed as following constructions, i.e. be internally formed and the outer peripheral face sliding contact of middle kettle 33 at it
Inner peripheral surface, allows the rotation around Y-axis of middle kettle 33 in the way of being slided along the inner peripheral surface.
In addition, big kettle 34 is housed driver 32 together with middle kettle 33, the centering kettle 33 of driver 32 applies back and forth
Rotate.
If from being carried out from front, middle kettle 33 is the circle of part missing centered on Y direction, circumference
Shape, driver 32 is a part of corresponding substantially arc-shaped with the circumference of missing.
The rearward end of driver 32 from big kettle 34 is inserted into inside, and is fixed on by sewing machine electromotor around Y-axis
The leading section of the kettle axle of reciprocating rotation is carried out, reciprocating rotation is carried out together with kettle axle.
Moreover, driver 32 is in the inside of big kettle 34, in the circumferential one end and the two of the other end centered on Y-axis
It is corresponding and alternately contacted with middle kettle 33 with reciprocating rotation direction at individual contact point, using being switched over to these contact points,
Make to reach the standard grade by between middle kettle 33 and driver 32, so as to make middle kettle 33 pass through the wire loop reached the standard grade.
Middle kettle 33 possesses：Resettlement section 331, it carries out collecting holding to bobbin 31 and bobbin casing 40；Support shaft 332, its
Uprightly set in resettlement section 331 to be supported to bobbin 31 and bobbin casing 40；The sliding part 333 of rail-like, its
Contacted with the internal slide of big kettle 34；And tip 334, it is formed at the one end of sliding part 333, and in semi-rotating kettle
Advance and (be viewed as clockwise) hooking the wire loop reached the standard grade from suture needle from kettle face side when rotating.
The support shaft 332 vertically uprightly set in the inner flat face of resettlement section 331, in the rotation of middle kettle 33
The heart, in the state of middle kettle 33 is contained in big kettle 34, support shaft 332 is set in the mode concentric with kettle axle.
Middle kettle pressing piece 35 is installed on the front surface part of big kettle 34, as by the lid of the front openings portion of big kettle 34 occlusion
Work.Middle kettle 33 in big kettle 34 is stably supported by kettle pressing piece 35 in this in fore-and-aft direction.
In addition, middle kettle pressing piece 35 is formed with the diameter opening portion smaller than the front openings portion of big kettle 34 in the central portion
351, thereby, it is possible to which the bobbin casing 40 and bobbin 31 that are housed in middle kettle 33 are taken out to the outside of big kettle 34.
Also, the front-surface side top of the inner edge in the opening portion 351 of middle kettle pressing piece 35, is formed with what is be rearward recessed
Recess 352.In the recess 352 and the corner of the convex stretched out upward from the front surface part of bobbin casing 40 described below
46 upper end is fitted together to, and is kept causing bobbin 31 and bobbin casing 40 not relative to 33 turns of middle kettle for carrying out reciprocating rotation
It is dynamic.
[bobbin]
Bobbin 31 is made up of cylindrical portion and flange part, and the support shaft 332 of kettle 33 is inserted during the cylindrical portion is supplied, the flange portion
Both ends in the cylindrical portion, external diameter are not formed equal, these parts are integrally formed by metal.In addition, the two of bobbin 31
It is wound between individual flange part in the periphery of cylindrical portion offline.
[bobbin casing]
Fig. 2 is the oblique view from rear ramp of bobbin casing 40, and Fig. 3 is the front view after a part is omitted, Fig. 4
It is the left side view after a part is omitted.
The entirety of bobbin casing 40 is formed by metal, as shown in the FIG., is possessed：Cover 43, it is by front surface part 41 and side wall
Portion 42 is constituted；Locking rod 44, it engages with the support shaft 332 of middle kettle 33；Line spring for governor 45, its periphery along side of sidewall portion 42
Install；And as angle (angular thing) portion 46 of rotation prevention portion, it stretches out upward from front surface part 41.
The side of sidewall portion 42 of cover 43 can house bobbin 31 in the internal diameter tubular more slightly larger than the external diameter of the flange part of bobbin 31
To inner side.
Front surface part 41 is inaccessible by the leading section of side of sidewall portion 42, the rearward end for the side of sidewall portion 42 that bobbin 31 is never blocked for
Side is inserted into inside.
Locking rod 44 can carry out fluctuating rotating operation relative to front surface part 41.Moreover, portion is formed with out therebetween
Oral area 441, the leading section of support shaft 332 is loosely inserted into opening portion 441 under the sleeping volt state of locking rod 44.In support shaft
Near 332 leading section, circumferential groove (not shown), the opening of locking rod 44 are formed with the way of the complete cycle along support shaft periphery
The inner edge portion in portion 441 is chimeric with the circumferential groove of support shaft 332, can be kept make it that therefrom kettle 33 does not take off bobbin casing 40
Fall.
In addition, the slightly left side in the upper end of the side of sidewall portion 42 of cover 43, is formed through wired extraction hole 421.The line is taken out
Portal and 421 be connected with the slit 422 cut from the rear end edge of side of sidewall portion 42.Moreover, being housed by bobbin 31 to bobbin casing
In the state of 40 inner side, easily offline it can be guided what is pulled out from bobbin 31 from slit 422 to line extraction hole 421.
Side face bending of the line spring for governor 45 along side of sidewall portion 42, with from outside by the configuration of the occlusion of line extraction hole 421
It is installed on side of sidewall portion 42.Thereby, it is possible to drop wire clip that will be extracted out from line extraction hole 421 in side of sidewall portion 42 and line spring for governor 45
Between, using the resistance to sliding produced by its clamp pressure, to the offline application line tension of extraction.
Line spring for governor 45 from the upper end of side of sidewall portion 42, stretched out to the left by lower section, and line will be applied with by being formed with upper end
The guide portion 451 of the incision-like of the offline pull-out of tension force, the oriented spiral shell (not shown) in the formation of side of sidewall portion 42 is set in bottom
The adjusting screw 452 that nail is screwed into.By carrying out rotation process to the adjusting screw 452, so as to side of sidewall portion 42 and line
The width in the gap between spring for governor 45 is adjusted, and can change clamp pressure.
Corner 46 is long strip-board shape, to be stretched out upward from the preceding surface top of cover 43 to the slightly inclined state in right side, and
And, its upper end is just tilted slightly rearward.
Its top in corner 46 is located at the top of the guide portion 451 of foregoing line spring for governor 45.Moreover, in corner 46
Top, the First Line for being inserted through portion as line be inserted through hole 461 and as line be inserted through portion the second line insertion pass through
Perforation 462 is arranged above and below, and is formed through from the preceding surface in corner 46 to rear surface.Moreover, from the guiding of line spring for governor 45
The following offline path of offline formation that portion 451 is pulled out, i.e. be inserted through hole in first and second line through corner 46
461st, the pin hole of needle plate is reached after 462.
First and second above-mentioned line is inserted through hole 461,462 can be with the case of small in offline line tension, will be offline
Only it is inserted through being inserted through hole 461 to First Line, in the case where needing offline line tension increase, offline insertion is passed through
Wear to first and second line and be inserted through both holes 461,462.
In the case where being inserted through both holes 461,462 using first and second line, for example, can be with will be from guiding
The mode that the offline back-surface side forward face side from corner 46 that portion 451 is pulled out is extracted is inserted through hole 462 through the second line,
Also, rear surface is returned to from the side in corner 46, again, in the way of being extracted from the back-surface side forward face side in corner 46
Hole 461 is inserted through through First Line.
In the case where forming offline path as described above, offline and following four angle sliding contacts can be made, led to
Its sliding friction is crossed, application is equal or bigger line tension with line spring for governor 45, wherein, aforementioned four angle is the second line
It is inserted through angle, corner between the angle (corner) between hole 462 and the preceding surface in corner 46, the preceding surface in corner 46 and side
The rear surface at angle, corner 46 between 46 side and rear surface and First Line are inserted through the angle between hole 461.
In addition, the preceding surface and the outer edge on rear surface in corner 46 to forming above-mentioned angle, First Line are inserted through hole 461
Front and rear inner edge portion, the second line be inserted through the front and rear inner edge portion in hole 462, implement chamfer machining or rounded shapes (fallen
Rounded shapes) processing, not occur excessive sliding friction.
Alternatively, it is also possible to be inserted through being then passed through after the front in hole 462 is passed through towards rear from the second line by offline
One line is inserted through hole 461.
In this case, offline and following five angle sliding contacts can be made, pass through its sliding friction, apply bigger line
Tension force, wherein, above-mentioned five angles are between angle, the side in corner 46 and preceding surface between the rear surface in corner 46 and side
Angle, the preceding surface in corner 46 and the second line are inserted through angle between hole 462, the second line and are inserted through hole 462 and corner 46
Angle, the rear surface in corner 46 and First Line afterwards between surface is inserted through the angle between hole 461.
In addition, hole 461 is inserted through on First Line, due to being surrounded around it by the recess 352 of middle kettle pressing piece 35, because
This is preferably passed through from the rear to the front by offline.
[action effect of bobbin casing]
In the case of using above-mentioned bobbin casing 40, the bobbin 31 for being wound with offline is housed to bobbin casing 40
Side.Now, the offline one end wound on bobbin 31 is pulled in from the slit 422 of side of sidewall portion 42 to line extraction hole 421, by under
Line is inserted between line spring for governor 45 and side of sidewall portion 42.
Moreover, offline one end is pulled out from the guide portion 451 of line spring for governor 45, also, from the of corner 46
Two wires is inserted through the rearward end insertion in hole 462, also, loops back to the rear side in corner 46 and be inserted through hole from First Line again
461 rearward end insertion.
Then, bobbin casing 40 is housed together with bobbin 31 to the inner side of middle kettle 33.Now, in the cylindrical portion of bobbin 31
The support shaft 332 of kettle 33 in middle insertion, makes the corner 46 of bobbin casing 40 chimeric with the recess 352 of middle kettle pressing piece 35.
Sewing is started in this condition, the tip 334 of middle kettle 33 is rotated along the direction towards front, is thus enabled that
Bobbin casing 40 and bobbin 31 pass through the wire loop reached the standard grade captured by tip 334, are lifted if reached the standard grade by Libra, are reaching the standard grade
Wire loop while reduce by between corner 46 and recess 352 and to lifting above needle plate, forming knotting that is offline and reaching the standard grade.
Offline first and second line being inserted through is inserted as noted previously, as being provided with the corner 46 of bobbin casing 40
Enter through hole 461,462, thus by make it is offline be inserted through being inserted through in hole above-mentioned so that offline at more angles
Slide, compared with line is inserted through the situation that hole is only one, bigger line tension can be applied to offline.
Therefore, need to it is offline apply bigger line tension in the case of, without by line spring for governor 45 strongly
Fastening, can reduce the winding returned the generation twisted, be effectively prevented from tip of the line as caused by the fastening, carry out good seam
System.
In addition, inner edge portion, the preceding surface in corner 46 before and after hole 461,462 is inserted through to first and second line and after
The outer edge on surface, implements chamfering or rounded shapes, therefore, it is possible to suppress to cause to damage to entering the offline of line slip at each angle
The generation of the deteriorations such as wound, can realize the raising of quality of sewing.
[other examples (1) of bobbin casing]
Based on Fig. 5, to possessing other corner 46As different from the corner 46 of above-mentioned bobbin casing 40 bobbin casing 40A
Illustrate.
Bobbin casing 40A corner 46A, which replaces as first and second line of through hole, is inserted through hole 461,462,
It is formed with first and second line being made up of otch and is inserted through portion 461A, 462A.
Each line is inserted through portion 461A, 462A and cuts out U-shaped from corner 46A right border portion towards left.Thus, under
Line from corner 46A rear are inserted through to the second line being inserted through portion 462A inner side, are looped back to from corner 46A left border portion
Rear side, is inserted through to First Line being inserted through portion 461A inner side from rear, thus in the same manner as corner 46 at multiple angles
Make offline slip, bigger line tension can be applied.
In addition it is also possible to which two lines are inserted through into any one of portion is set to through hole, another one is set to otch.
[other examples (2) of bobbin casing]
Based on Fig. 6, to possessing other corner 46Bs different from the corner 46 of above-mentioned bobbin casing 40 bobbin casing 40B
Illustrate.
Bobbin casing 40B corner 46B is in addition to first and second line is inserted through hole 461,462, in the second line
The downside for being inserted through hole 462 is also formed with the 3rd line and is inserted through hole 463B.
In this case, first, the offline rearward end for being inserted through hole 463B from the 3rd line is inserted forwards, next,
To corner 46B rear wraparound, the rearward end for being inserted through hole 462 from the second line is inserted forwards, also, to corner 46B's
Rear wraparound, the rearward end for being inserted through hole 461 from First Line is inserted forwards.
Thus, in the same manner as corner 46, make offline slip at multiple angles more more than corner 46, can apply bigger
Line tension.
In this case, it can also accordingly make to be inserted through for the offline line passed through with the size of required line tension
The quantity increase and decrease in hole.
In addition, the quantity that line is inserted through hole is not limited to three, it can also be formed more.Alternatively, it is also possible to by its
In part or all be not set to through hole and be set to otch.
Claims (5)
1. a kind of bobbin casing of sewing machine, offline bobbin is contained in inside by it,
The bobbin casing of the sewing machine is characterised by,
Possess rotation prevention portion, the rotation prevention portion stretches out to the radial direction outside of the side of sidewall portion around the bobbin,
The rotation prevention portion, which is provided with least two, makes the offline line being inserted through be inserted through portion.
2. the bobbin casing of sewing machine according to claim 1, it is characterised in that at least one described line is inserted through portion
For through hole.
3. the bobbin casing of sewing machine according to claim 1 or 2, it is characterised in that at least one described line insertion is passed through
Portion is worn for otch.
4. the bobbin casing of sewing machine according to claim 1 or 2, it is characterised in that portion is inserted through to the line
Implement chamfering or rounded shapes in edge.
5. the bobbin casing of sewing machine according to claim 3, it is characterised in that the edge in portion is inserted through to the line
Implement chamfering or rounded shapes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016005760A JP6692573B2 (en) | 2016-01-15 | 2016-01-15 | Sewing machine bobbin case |
| JP2016-005760 | 2016-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106978679A true CN106978679A (en) | 2017-07-25 |
Family
ID=59256232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710028312.7A Pending CN106978679A (en) | 2016-01-15 | 2017-01-16 | Bobbin casing |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6692573B2 (en) |
| CN (1) | CN106978679A (en) |
| DE (1) | DE102017100603A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102543238B1 (en) * | 2022-10-21 | 2023-06-14 | 고광옥 | Rotary book device for sewing machines that forms a perfect stitch seam in forward and reverse sewing |
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|---|---|---|---|---|
| JPH0268096A (en) * | 1988-09-01 | 1990-03-07 | Hirose Mfg Co Ltd | Full rotary hook for lock stitch sewing machine |
| EP0573385A1 (en) * | 1992-06-03 | 1993-12-08 | Fritz Gegauf Ag Bernina-Nähmaschinenfabrik | Bobbin casing with thread tensioning device |
| JPH07308477A (en) * | 1994-05-17 | 1995-11-28 | Juki Corp | Threading device for bobbin case for semirotary shuttle |
| CN1120089A (en) * | 1994-06-29 | 1996-04-10 | 重机公司 | Bobbin casting assembly and sewing machine having same |
| JPH08257281A (en) * | 1995-03-28 | 1996-10-08 | Brother Ind Ltd | Half rotation shuttle |
| CN1637189A (en) * | 2003-12-29 | 2005-07-13 | 大和缝纫机制造株式会社 | Yarn end processing device for german seam sewing machine |
| CN101538777A (en) * | 2008-03-18 | 2009-09-23 | Juki株式会社 | Two-needle sewing machine |
| CN201367522Y (en) * | 2009-01-21 | 2009-12-23 | 西安标准工业股份有限公司 | Thread guide post used by sewing machine |
| CN101736537A (en) * | 2008-11-25 | 2010-06-16 | Juki株式会社 | Lower thread tension control device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53148866U (en) * | 1977-04-27 | 1978-11-22 | ||
| JPS57148986A (en) * | 1981-03-13 | 1982-09-14 | Janome Sewing Machine Co Ltd | Method of finishing outer unit pattern for sewing machine |
| JPH0468775U (en) * | 1990-12-20 | 1992-06-18 | ||
| JP3667380B2 (en) * | 1995-04-05 | 2005-07-06 | ジューキ株式会社 | Sewing skip detection device |
| US6152057A (en) * | 1999-07-26 | 2000-11-28 | Bakron Corporation | Bobbin assembly incorporating a thread tensioning assembly and method of controlling the payout of thread from a bobbin assembly |
| US6901871B1 (en) * | 2003-12-01 | 2005-06-07 | Ronald Kronenberger | Bobbin case assembly with thread tensioning element and method of drawing thread from a thread supply |
-
2016
- 2016-01-15 JP JP2016005760A patent/JP6692573B2/en active Active
-
2017
- 2017-01-13 DE DE102017100603.6A patent/DE102017100603A1/en active Pending
- 2017-01-16 CN CN201710028312.7A patent/CN106978679A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0268096A (en) * | 1988-09-01 | 1990-03-07 | Hirose Mfg Co Ltd | Full rotary hook for lock stitch sewing machine |
| EP0573385A1 (en) * | 1992-06-03 | 1993-12-08 | Fritz Gegauf Ag Bernina-Nähmaschinenfabrik | Bobbin casing with thread tensioning device |
| JPH07308477A (en) * | 1994-05-17 | 1995-11-28 | Juki Corp | Threading device for bobbin case for semirotary shuttle |
| CN1120089A (en) * | 1994-06-29 | 1996-04-10 | 重机公司 | Bobbin casting assembly and sewing machine having same |
| JPH08257281A (en) * | 1995-03-28 | 1996-10-08 | Brother Ind Ltd | Half rotation shuttle |
| CN1637189A (en) * | 2003-12-29 | 2005-07-13 | 大和缝纫机制造株式会社 | Yarn end processing device for german seam sewing machine |
| CN101538777A (en) * | 2008-03-18 | 2009-09-23 | Juki株式会社 | Two-needle sewing machine |
| CN101736537A (en) * | 2008-11-25 | 2010-06-16 | Juki株式会社 | Lower thread tension control device |
| CN101736537B (en) * | 2008-11-25 | 2013-05-29 | Juki株式会社 | Lower thread tension control device |
| CN201367522Y (en) * | 2009-01-21 | 2009-12-23 | 西安标准工业股份有限公司 | Thread guide post used by sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017100603A1 (en) | 2017-07-20 |
| JP2017124067A (en) | 2017-07-20 |
| JP6692573B2 (en) | 2020-05-13 |
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Application publication date: 20170725 |
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| RJ01 | Rejection of invention patent application after publication |