CN110485070A - Thread tensioner for sewing machine and the sewing machine with thread tensioner - Google Patents
Thread tensioner for sewing machine and the sewing machine with thread tensioner Download PDFInfo
- Publication number
- CN110485070A CN110485070A CN201910354681.4A CN201910354681A CN110485070A CN 110485070 A CN110485070 A CN 110485070A CN 201910354681 A CN201910354681 A CN 201910354681A CN 110485070 A CN110485070 A CN 110485070A
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- Prior art keywords
- thread
- tensioning shaft
- disk
- sewing
- line
- Prior art date
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Links
- 238000009958 sewing Methods 0.000 title claims abstract description 52
- 230000000694 effects Effects 0.000 claims abstract description 26
- 238000004804 winding Methods 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000003993 interaction Effects 0.000 claims 1
- 125000004122 cyclic group Chemical group 0.000 description 13
- 238000010417 needlework Methods 0.000 description 11
- 239000004744 fabric Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B19/00—Programme-controlled sewing machines
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B47/00—Needle-thread tensioning devices; Applications of tensometers
- D05B47/04—Automatically-controlled tensioning devices
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
Disclose a kind of thread tensioner for sewing machine and the sewing machine with thread tensioner.Thread tensioner (32) has tensioning shaft (33), and the tensioning shaft is arranged so that sewing thread to be tensioned (13) is allowed to wind around the tensioning shaft (33).At least one stretching unit (34,35) and tensioning shaft (33) interact, to generate line tension in the path of the sewing thread (13) in tensioning shaft (33) downstream.Thread path deflecting element (38) is used to deflect the thread path of sewing thread (13).The thread path of thread tensioner (32) makes sewing thread (13) be first about tensioning shaft (33) winding, to generate First Line tension force effect, then it is bypassed on thread path deflecting element (38), then it is wound again around tensioning shaft (33), to generate the effect of the second line tension.As a result, obtaining a kind of thread tensioner, there is improved influence on line to be tensioned.
Description
Technical field
The present invention relates to a kind of thread tensioners for sewing machine and a kind of machine with this thread tensioner.
Background technique
A kind of thread tensioner for sewing machine is known from 196 33 223C2 of DE.2 157016A of DE is disclosed
A kind of device of the line tensioning on yarn processing machine.It includes two lines that 20 2,012 100 110U1 of DE, which is disclosed a kind of,
The upper thread tensioner of tight disk.103 44 982A1 of DE discloses a kind of thread tensioner for sewing machine.Deutsche Bundespatent is said
Bright book No.962 568 discloses a kind of tensioning apparatus for the needlework in two-needle sewing machine.DE 20 2009 004 845U1
Disclose a kind of reel device for sewing machine.
Summary of the invention
The purpose of the present invention is improving the thread tensioner of the type described above, make it to be tensioned in this way
The influence of line improved.
According to the present invention, the purpose is realized by a kind of thread tensioner for sewing machine, the line tensioning dress
It sets and includes at least one tensioning shaft, the tensioning shaft is configured to allow for sewing thread to be tensioned to wind around the tensioning shaft；Extremely
A few stretching unit to interact with tensioning shaft, to generate line tension in the path of the sewing thread in tensioning shaft downstream；Line
Path deflecting element, to deflect the thread path of sewing thread；Wherein, the thread path of thread tensioner is first about sewing thread
Mandrel winding, to generate First Line tension force effect, then (extension) is bypassed on thread path deflecting element, is then surrounded again
Tensioning shaft winding, to generate the effect of the second line tension.
In accordance with the present invention, it was found that the line tension effect of thread tensioner is divided into two line tension effects, described two
Between line tension effect, thread path deflecting element executes the deflection of thread path, assists distribution to be tensioned by line in an advantageous manner and fills
Set the power being applied on sewing thread.It particularly, can be to avoid the distortion of sewing thread, to prevent any undesirable torsion from applying
On sewing thread, especially prevent from accumulating (so-called undesirable entanglement) along the thread path of thread tensioner.Line is tensioned
The effect of device is divided into two line tension effects, and each line tension effect is given birth to by forming ring around the same tensioning shaft
At, lead to the compact Layout of thread tensioner.It is also contemplated that generating many different line tension effects, especially difference
Ground enforceability, the result is that total line tension range can be increased in an advantageous manner.Sewing thread can be the upper thread of sewing machine.
Thread tensioner also allows to generate more than two line tension effects.It is then possible to by thread path deflecting element or by tensioning shaft
On another thread path deflecting element of another thread path is provided corresponding additional wire path is provided, it is described additional to generate
Line tension effect.Thread tensioner can have what a proper stretching unit.Alternatively, thread tensioner also can have
At least two stretching units.Stretching unit can be biased by bias spring.Bias spring can be compressed spring.Compressed spring
It can be configured as helical spring or ripple spring.
Thread path deflecting element is configured to rotatable pin or can be configured so that around the roller of pin axis rotation, the pin
Allow sewing thread to wind around the pin, is especially neutral for the power being applied on sewing thread.Then, rotatable
Pin or rotational roller can rotate together with the sewing thread extended on it.
Individually consider, by an implementation of the stretching unit that at least a pair of of strain of pressure disk and at least one actuator are formed
Example, strain of pressure disk is arranged in pairs, so that sewing thread to be tensioned passes through between strain of pressure disk, strain of pressure disk and actuating
Device interaction, to set pressure between strain of pressure disk, this is known from the prior art, such as from DE 196 33
It is known in 223 C2.Strain of pressure disk can be configured as Belleville (Belleville) washer.Stretching unit can have
Two pairs of strain of pressure disks or even two pairs of pressure above tension disks, such as three pairs, four pairs, five pairs or even more pairs strain of pressure
Disk.Also manually operable adjustment element can be used, such as adjusting screw replaces electric actuator, to adjust stretching unit
Tensile force.It is non-rotatable that strain of pressure disk, which may be disposed so that relative to tensioning shaft,.
The stretching unit formed by wheeled tension disk, brake body and at least one actuator is arranged such that wait open
Tight sewing thread passes through between the disc portion of wheeled tension disk, and wheeled tension disk and actuator interact, to set by making
Kinetoplast is applied to the pressure on wheeled tension disk, it was demonstrated that particularly suitable for generating the line tension with advantageous hightension range,
Especially reproducibly generate scheduled line tension.It is configured to accommodate the disc zone of the corresponding wheeled tension disk of line to be tensioned
It can be rigidly connected to one another, such as be welded to one another.The holding effect of wheeled tension disk can be generated by circumferential holding section,
The circumferential holding section can especially configure in such a way that ligulate keeps section.These keep section that can connect each other
It closes, makes keeping obtaining reproducible frictional connection between section and line to be tensioned in this way.Wheeled tension disk
It can be rotatably assembled on tensioning shaft.In this case, when tension disk is guided around tensioning shaft, wheeled tension disk
It can be rotated jointly with line to be tensioned.It is then possible to be applied to by actuator pressure by the brake body operated by actuator
Corresponding pressure concerned brake effect on wheeled tension disk generates line tension.
It is described right that the actuator acted on a pair of of tension disk can be acted on via wire spring and/or ripple spring
On tension disk.
The actuator for being configured to stepper motor allows extra fine turning and reproducible thread tension setting.Stepper motor can be borrowed
Help gear unit to act at least one stretching unit, the gear unit helps to improve stepper motor to generated
The sensitivity of influence of line tension effect or the opening of the speed of adjustment programme or corresponding stretching unit.Also straight line can be used
Motor replaces stepper motor.Actuator can have gear unit.Multi-head sewing line can be used for actuator and tension disk it
Between transmission force.Stepper motor can be direct torque.
At least two stretching units are disposed on tensioning shaft and are configured so that generating corresponding line tension makees
With allowing to set different line tensions in a manner of especially independent and act on.
As the alternative solution that stretching unit is designed as to a pair of of tension disk, stretching unit itself can be by least one step
It is formed into motor, tensioning shaft is driven by stepper motor.Tensioning shaft can form the motor shaft of stepper motor, can also be via gear
Unit is connected to the motor shaft.
Have the advantages that the sewing machine of thread tensioner according to the present invention corresponds to above by reference to thread tensioner
Those of illustrate.Other than thread tensioner described above (it is then used as main line tensioning apparatus), line pre-tensioning device
It can be arranged in the thread path of the sewing thread of main line tensioning apparatus upstream.
Detailed description of the invention
Exemplary embodiment of the present invention is described in more detail below with reference to the accompanying drawings, in which:
Fig. 1 shows the front schematic view of some interior details of display twin-lock chain stitch sewing machine, wherein upper thread path
It is interrupted in the region for the line tension part being not shown in Fig. 1, in other words, is not shown；
Fig. 2 shows the front view of the additional detail of the housing parts of display sewing machine, the wherein component of thread tensioner
It is shown in section I/II, section I/II corresponds to the section I/II in Fig. 1；
Fig. 3 shows the cross-sectional view along the III-III line in Fig. 2；
Fig. 4 shows the side for the housing parts that the direction of observation IV from Fig. 2 sees；
Fig. 5 shows the oblique front view of perspective of housing parts as shown in Figure 2；
Fig. 6 shows band there are two the wheeled tension disk of disc portion, which can form the main line of thread tensioner
The stretching unit of tensioning apparatus, rather than a pair of of strain of pressure disk；And
Fig. 7 shows the side view of one embodiment of stretching unit, the stretching unit include two pairs of strain of pressure disks with
And thread path deflecting element, the figure shows the thread paths in the region of thread tensioner.
Specific embodiment
Twin-lock chain stitch sewing machine 1 has rack 1a, and the rack includes the bottom plate 2 and angled arm 4 with bracket 3,
Bracket is upwardly extended from bottom plate.The arm terminates at head 5.Arm axle 6 is installed for rotating in arm 4.In head 5, arm axle 6
Crank driver 7 is driven by line bar 8.Crank driver 7 and shank 9 are drivingly connected, the side that the shank is set with axially-displaceable
Formula is mounted in head 5.The shank 9 has needle 10 in its lower end.By means of crank driver 7, needle 10 can be along vertical axis
11 move up and down.
Simplify the diagram of positional relationship by Cartesian xyz coordinate system is used below.Vertical axis 11 along the coordinate system z
Direction extends.Plotting planes of the direction x perpendicular to Fig. 1 and the plotting planes into Fig. 1 extend and are parallel to the seam of sewing machine 1
Thread direction extension.The direction y extends to the left in Fig. 1.
Needlework 13 are directed in eyelet by needle 10, and the needlework 13 are via thread tensioner and line bar 8 by being configured to spool
12 upper thread feeding member supply and also referred to as upper thread, the thread tensioner will carry out more detailed with reference to Fig. 2 and the following contents
Explanation.There is needlework 13 free upper thread to start a section 13a.
Bottom plate 2 carries support plate 14, and piece of cloth 15 is placed in the support plate, and support plate 14 is fastened by means of screw.
A part for being configured to aid sewing plate 16 of support plate 14 is equipped with recess portion, and the recess portion allows lower part feeding feed dog 17 (also referred to as
Whereabouts feeding) it passes through.Feeding feed dog 17 has the sewing hole 18 for allowing needle 10 to pass through.Feeding feed dog 17 is in known manner
It is drivingly connected with sliding and being promoted gear unit, the sliding and promotion gear unit are disposed in 2 lower section of bottom plate.
Cyclic device 19 is provided with below support plate 14, the cyclization device has the cyclic device sheet with cyclic device tip 21
Body 21.In cyclic device ontology 21, the spool shell of cupuliform is installed, cyclic device line is received in a manner of spool 22 or spool and is supplied
To part.Spool 22 is baseline delivery member.Cyclic device line is also referred to as baseline.
Cyclic device 19 is formed together stitch forming tool with needle 10.Needle 10 is for guiding upper thread.Cyclic device 19 is used for face
Line and baseline interweave.
Cyclic device 19 can be rotated around the vertical cyclic device axis 23 extended in the z-direction.Cyclic device ontology 20 rigidly connects
It is connected to the axis 25 extended coaxially into cyclic device axis 23.Axis 25 is mounted for revolving in the bearing block 26 being screwed on bottom plate 2
Turn.In the bearing block 26, drive shaft 27 is installed, the drive shaft is connected to the tooth-profile of gear list being arranged in bearing block 26
Member.Tooth-profile of gear unit has the transmission ratio of 1:2, it means that the cyclic device ontology 20 on axis 25 is arranged in drive shaft 27
It is rotated twice in every revolution.Drive shaft 27 is drivingly connected via belt driver 28 and arm axle 6.
Thread tensioner 29 in the I/II section on the housing parts 30 for being arranged in arm 4 of Fig. 1 and 2 has multiple lines
Tension part, the line tension part are arranged one by one in the thread path of upper thread 13.Along the thread path of upper thread 13
It sees, is the line pre-tensioning device not being shown specifically first after spool 12, the line pre-tensioning device is followed by main line tensioning
Device 32.According to the design of sewing machine 1, line pre-tensioning device also can be omitted.
Main line tensioning apparatus 32 has tensioning shaft 33 (referring to Fig. 3), and upper thread 13 to be tensioned is twined around the tensioning shaft 33
Around.It is respectively configured to two stretching units 34,35 for generating line tension effect and tensioning shaft 33 interacts.Stretching unit
34, each of 35 line tension or line tension for generating upper thread 13 in the path of the upper thread 13 after tensioning shaft 33 is made
With.According to the design of main line tensioning apparatus 32, it is also contemplated that a stretching unit, such as stretching unit 34 are accurately provided,
It is used to generate line tension.
Each of stretching unit 34,35 is formed by a pair of of strain of pressure disk 36 and actuator 37.The mutually tensioning of reply
The strain of pressure disk 36 of disk is arranged such that upper thread 13 to be tensioned passes through between the tension disk 36 of this pair.Mutually of reply
Tight disk 36 interacts with actuator 37, to set pressure between tension disk 36.A pair of of strain of pressure disk 36 and actuator 37
This effect be known from the prior art, and for example, be described in 196 33 223C2 of DE, especially
With reference to Fig. 4.
Actuator 37 can be electromagnet.Actuator 37 is also possible to stepper motor.
Two stretching units 34,35 and same actuator 37 interact.Two stretching units 34,35 are on tensioning shaft 33
It is arranged axially adjacent directly with one another.Between two stretching units 34,35, it is single that bearing disk 37a is arranged to two tensionings
Tension disk 36 those of in member 34,35, to bear and the direct axial tension disk 36 being disposed adjacently of bearing disk 37a.With
As tight disk 36, bearing disk 37a is assemblied on tensioning shaft 33, and is used for tension disk 36 of the radial support towards bearing disk 37a.
For this purpose, bearing disk 37a has circumferential bearing groove, the bearing groove and the phase towards the bearing groove on either side
The marginal portion for the tension disk 36 answered engages.
Other than two stretching units 34,35, main line tensioning apparatus also has thread path deflecting element 38, with deflection plane
The thread path of line 13.The thread path of upper thread 13 in main line tensioning apparatus 32 makes upper thread 13 first in two stretching units
34, it is wound in first region in 35 around tensioning shaft 33, to generate the First Line tension force effect of tensioning shaft 33, then,
Before winding again around tensioning shaft 33 in second region in two stretching units 34,35, member is deflected in thread path
It is bypassed on part 38, to generate the effect of the second line tension.The thread path in main line tensioning apparatus 32 is it is also possible that generate two
A above line tension effect.In this case, on same thread path deflecting element 38 or in another unshowned line
May exist additional thread path on the deflecting element of path, is then made again around tensioning shaft 33 with generating next line tension
With.It is described other for this purpose, tensioning shaft 33 can carry the other stretching unit configured in a manner of stretching unit 34,35
Stretching unit is being not shown in the figure.
Thread path deflecting element 38 is configured as deflection pin.Such deflection pin can be fixedly secured to housing section
Divide on 30, alternatively, alternatively it is possible to being configured so that can rotate around its pin axis.In this case, pin via
Transverse bearing is mounted in housing parts 30 in a manner of roller.
Alternatively, it can be envisaged that stretching unit 34,35 is designed as to corresponding a pair of of disc portion of wheeled tension disk.Example
Such as, a pair of of disc portion of such wheeled tension disk 39 is shown in FIG. 6, the disc portion can form stretching unit
One in 34 or 35.
Two disc portion 39a of wheeled tension disk 39 are for example rigidly connected to each other by welding.Wheeled tension disk 39
The excircle of a pair of of disc portion 39a has approximate U-shaped or v-depression profile, and in the groove profile, upper thread 13 is described
It is guided in the angular region of circumference, such as by winding it around tensioning shaft 33 in the range of 360 °.
The outer profile of a pair of of disc portion 39a of wheeled tension disk 39 is formed by two ribbon rings 40, the ribbon ring
It is respectively provided with the multiple ribbons 41 being axially bent outwardly along the +/- direction x.The ribbon 41 of two ribbon rings 40 is circumferentially square
It is then band-like with two in an alternating fashion to being arranged such that ribbon 41 is associated with one in two ribbon rings 40
Another in object ring 40 is associated.The profile base portion of the groove profile is formed by the holding part 42 of ribbon 41, described
Holding part overlaps each other in the x direction.Which ensure that when a pair of of disc portion 39a winding around tension disk 39, upper thread 13
Extended with the radius of the axis relative to tensioning shaft 33 definitely defined.
Holding part 42 can be configured as tongue portion.
No matter whether stretching unit 34,35 is configured as the pairs of of pairs of strain of pressure disk 36 or wheeled tension disk 39
At least one stretching unit of disc portion 39a, main line tensioning apparatus 32 can be formed by least one stepper motor, the stepping
The rotation of motor driven tensioning shaft 33.Then, tensioning shaft 33 can be arranged directly as the motor of such stepper motor
Axis or tensioning shaft can be connected to the motor shaft of stepper motor via gear unit.When stretching unit is configured as stepping electricity
When machine, upper thread 13 can be completely wound around on tensioning shaft 33, especially being wrapped on tensioning shaft 33 more than once.
As can be seen that housing parts 30 can pass through correspondingly guide surface equipped with component, the component in from Fig. 2 to 5
Line 13, permission form two main line tensioning apparatus in a manner of the tight device 32 of above-mentioned opinion.In other words, as shown in these figures,
Housing parts 30 can carry two main line tensioning apparatus, and the main line tensioning apparatus has associated tensioning shaft, is associated
Actuator and associated stretching unit and associated thread path deflecting element.
Actuator 37 is respectively acting on the tension disk 36 or 39 of stretching unit 34,35 via compressed spring 34.Compress bullet
Spring 34 can be helical spring, especially spiral metal wire spring.When use is configured to servo motor or the stepping of direct torque
When the actuator 37 of motor, such tensioning spring also can be omitted.
In the embodiment of the stretching unit 34,35 with strain of pressure disk 36, line tension is by corresponding tension disk 36
Between actuator 37 be applied to the pressing creation on the line being disposed there between.Tension disk 36 can be non-rotatably arranged in
On tensioning shaft 33.In the embodiment of the disc portion 39a with corresponding wheeled tension disk 39, the tension is by actuator 37
Pressure be applied to what the trigger action between corresponding wheeled tension disk 39 and brake body generated, the wheeled tension disk with
The line wound in its thread path on it rotates together, and the brake body again can be relative to the non-rotatably cloth of tensioning shaft 33
It sets.For example, brake body can be bearing disk 37a.
In the thread path in 32 downstream of main line tensioning apparatus, upper thread 13 fastens bullet by line before extending via line bar 8
Spring 44 (referring also to Fig. 1) arrives the eyelet of needle 10.
Fig. 7 shows the thread path of thread tensioner 32.The figure shows two lines of the embodiment as shown in Fig. 1 to 5
One in tensioning apparatus 32.Then, the thread path in another thread tensioner 32 is corresponding.
Needlework 13 first from Fig. 7 unshowned line pre-tensioning device in strain of pressure disk 36 (the first stretching unit)
It is bypassed on a pair 45.In doing so, needlework wrap more than 180 ° around tensioning shaft 33, and can also be entirely around tensioning
Axis 33 is wound more than once.In an illustrated embodiment, in first pair 45 of strain of pressure disk 36 of region, needlework are with about
270 ° of angular region is wound around tensioning shaft 33.When needlework surround first pair of 45 winding, First Line is generated to sewing thread 13
Power effect.
Then, second pair 46 of the strain of pressure disk 36 (the second stretching unit) for extending into thread tensioner 32 it
Before, needlework 13 are wound with about 180 ° of contact angle around thread path deflecting element 38, and in a manner of identical with first pair 45
It is wound around tensioning shaft 33.When needlework surround second pair of 46 winding, the effect of the second line tension is generated to sewing thread 13.
Then, needlework 13 extend to unshowned line fastening spring in Fig. 7.
First pair 45 of strain of pressure disk 36 is arranged on shell, and the second pair of 46 free end cloth towards tensioning shaft 33
It sets.
In the embodiment as shown in figure 7, compressed spring 43 is configured as ripple spring.Here ripple bullet also can be used
Spring block.
Sewing thread 13 can be in the region of corresponding stretching unit 45,46 with identical direction of rotation or with opposite rotation
Turn direction to wind around tensioning shaft 33." identical rotation side according to the type and operating condition of line, in both direction
To " or " opposite direction of rotation " may be more advantageous to and avoid tangling.
Claims (8)
1. a kind of thread tensioner (32) for sewing machine, comprising:
At least one tensioning shaft (33) is configured to allow for sewing thread to be tensioned (13) to wind around the tensioning shaft (33),
At least one stretching unit (34,35) interacts with tensioning shaft (33), in the sewing in tensioning shaft (33) downstream
Line tension is generated in the path of line (13),
Thread path deflecting element (38), to deflect the thread path of sewing thread (13),
Wherein, the thread path of thread tensioner (32) makes sewing thread (13)
-- it is first about tensioning shaft (33) winding, to generate First Line tension force effect,
-- and then bypassed on thread path deflecting element (38), and
-- it is wound again around tensioning shaft (33), to generate the effect of the second line tension.
2. thread tensioner according to claim 1, which is characterized in that the thread path deflecting element (38) is configured as
Sewing thread (13) can be configured to permit to wind around the pin around the pin of pin axis rotation, the pin.
3. thread tensioner according to claim 1, which is characterized in that corresponding stretching unit (34,35) is by least one
To strain of pressure disk (36) and the formation of at least one actuator (37), strain of pressure disk (36) is so arranged in pairs, so that
Sewing thread (13) to be tensioned passes through between strain of pressure disk (36), strain of pressure disk (36) and actuator (37) phase interaction
With to set the pressure between strain of pressure disk (36).
4. thread tensioner according to claim 1, which is characterized in that corresponding stretching unit (34,35) is by wheeled
Tight disk (39), brake body (37a) and the formation of at least one actuator (37), they are arranged such that sewing thread to be tensioned
(13) pass through between the disc portion of wheeled tension disk (39), wheeled tension disk (39) and actuator (37) interact, to set
The fixed pressure being applied to by brake body on wheeled tension disk (39).
5. thread tensioner according to claim 1, which is characterized in that actuator (37) is configured as stepper motor.
6. thread tensioner according to claim 3, which is characterized in that including being disposed on tensioning shaft (33) at least
Two stretching units (34,35), the stretching unit (34,35) are configured to generate corresponding line tension effect.
7. thread tensioner according to claim 1, which is characterized in that the stretching unit is by least one stepper motor
It is formed, tensioning shaft (33) is driven by the stepper motor.
8. the sewing machine that one kind has thread tensioner according to claim 1 (32).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018207426.7 | 2018-05-14 | ||
| DE102018207426.7A DE102018207426A1 (en) | 2018-05-14 | 2018-05-14 | Thread tensioning device for a machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110485070A true CN110485070A (en) | 2019-11-22 |
| CN110485070B CN110485070B (en) | 2021-03-30 |
Family
ID=66217760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910354681.4A Active CN110485070B (en) | 2018-05-14 | 2019-04-29 | Thread tensioning device for a sewing machine and sewing machine with a thread tensioning device |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3569754B1 (en) |
| JP (1) | JP7304201B2 (en) |
| KR (1) | KR102621331B1 (en) |
| CN (1) | CN110485070B (en) |
| DE (1) | DE102018207426A1 (en) |
| TW (1) | TWI803631B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235773B (en) * | 2020-03-23 | 2021-12-21 | 浙江杰克智能缝制科技有限公司 | Sewing machine and upper thread tension adjusting and bird nest reducing device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE962568C (en) * | 1954-05-06 | 1957-04-25 | Pfaff Ag G M | Tensioning device for the needle threads in two-needle sewing machines |
| DE2157016A1 (en) * | 1971-11-17 | 1973-05-24 | Kemptener Gmbh Maschf | Yarn tensioner - adjusting nut has transmission to pointer on scale for exact setting |
| CN1600932A (en) * | 2003-09-27 | 2005-03-30 | 杜尔克普-阿德勒股份公司 | Thread tensioner for a sewing machine |
| DE202012100110U1 (en) * | 2011-01-12 | 2012-02-27 | Xi'an Typical Europe Gmbh | Upper thread tensioner |
| DE202012011059U1 (en) * | 2012-11-19 | 2014-02-20 | Dürkopp Adler AG | sewing machine |
| CN103820949A (en) * | 2012-11-19 | 2014-05-28 | 杜尔克普—阿德勒股份公司 | Sewing machine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH589559A5 (en) * | 1975-12-24 | 1977-07-15 | Mefina Sa | |
| JPS52148932A (en) * | 1976-06-06 | 1977-12-10 | Bingo Jiyouki Seisakushiyo Yuu | Sewing stop device for straw mat border sewing machine with cutting of thread |
| JPS5583074U (en) * | 1978-12-05 | 1980-06-07 | ||
| JPH04309399A (en) * | 1991-04-05 | 1992-10-30 | Juki Corp | Needle thread tension controller of sewing machine |
| DE19633223C2 (en) * | 1996-08-17 | 1998-12-03 | Duerkopp Adler Ag | Device for controlling the triggering device of a thread tensioner for a sewing machine |
| JP3836362B2 (en) * | 2001-02-02 | 2006-10-25 | Ｊｕｋｉ株式会社 | Sewing thread tension device |
| JP5339110B2 (en) * | 2005-11-17 | 2013-11-13 | ヤマトミシン製造株式会社 | Sewing thread supply device |
| TWM362243U (en) * | 2009-03-26 | 2009-08-01 | Chee Siang Ind Co Ltd | Thread releasing device of sewing machine |
| JP2017192573A (en) * | 2016-04-21 | 2017-10-26 | Juki株式会社 | Thread tension device of sewing machine |
-
2018
- 2018-05-14 DE DE102018207426.7A patent/DE102018207426A1/en not_active Withdrawn
-
2019
- 2019-04-16 EP EP19169488.4A patent/EP3569754B1/en active Active
- 2019-04-29 CN CN201910354681.4A patent/CN110485070B/en active Active
- 2019-05-02 TW TW108115269A patent/TWI803631B/en active
- 2019-05-13 JP JP2019090492A patent/JP7304201B2/en active Active
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE962568C (en) * | 1954-05-06 | 1957-04-25 | Pfaff Ag G M | Tensioning device for the needle threads in two-needle sewing machines |
| DE2157016A1 (en) * | 1971-11-17 | 1973-05-24 | Kemptener Gmbh Maschf | Yarn tensioner - adjusting nut has transmission to pointer on scale for exact setting |
| CN1600932A (en) * | 2003-09-27 | 2005-03-30 | 杜尔克普-阿德勒股份公司 | Thread tensioner for a sewing machine |
| DE202012100110U1 (en) * | 2011-01-12 | 2012-02-27 | Xi'an Typical Europe Gmbh | Upper thread tensioner |
| CN103314148A (en) * | 2011-01-12 | 2013-09-18 | 希安典型欧洲有限责任公司 | Upper thread tensioner |
| DE202012011059U1 (en) * | 2012-11-19 | 2014-02-20 | Dürkopp Adler AG | sewing machine |
| CN103820949A (en) * | 2012-11-19 | 2014-05-28 | 杜尔克普—阿德勒股份公司 | Sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20190130503A (en) | 2019-11-22 |
| EP3569754B1 (en) | 2020-06-17 |
| TWI803631B (en) | 2023-06-01 |
| CN110485070B (en) | 2021-03-30 |
| KR102621331B1 (en) | 2024-01-04 |
| JP2019198647A (en) | 2019-11-21 |
| DE102018207426A1 (en) | 2019-11-14 |
| EP3569754A1 (en) | 2019-11-20 |
| TW201947079A (en) | 2019-12-16 |
| JP7304201B2 (en) | 2023-07-06 |
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