CN106471173A - The bearing arrangement of sewing machine upper shaft - Google Patents
The bearing arrangement of sewing machine upper shaft Download PDFInfo
- Publication number
- CN106471173A CN106471173A CN201580028041.4A CN201580028041A CN106471173A CN 106471173 A CN106471173 A CN 106471173A CN 201580028041 A CN201580028041 A CN 201580028041A CN 106471173 A CN106471173 A CN 106471173A
- Authority
- CN
- China
- Prior art keywords
- upper shaft
- bushing
- sewing machine
- bearing arrangement
- guide channel
- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
- D05B69/32—Vibration-minimising devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to the bearing arrangement of sewing machine upper shaft.The present invention includes upper shaft (100), its one end is combined with crank (230), the other end is combined with power transmission mediator, is horizontally arranged in the angle arm of sewing machine as axle, and is made up of the quill shaft being alongst formed with hollow hole (110)；Spiral guide channel (130,130a), at least processes more than one on the external diameter of described upper shaft (100)；First bushing (200), the position near around the upper crank (230) installed of described upper shaft (100) is installed, and installs along described spiral guide channel (130)；And second bushing (210), one end of the upper shaft separated by a distance with described first bushing (200) is installed, together upper shaft (100) is fixed in angle arm with the first bushing (200), the deadweight of support upper shaft (100) and upper shaft is born a heavy burden and installs to guide the rotation of upper shaft along described spiral guide channel (130a).During the upper shaft installing sewing machine along angle arm, by preventing movement and the shake of upper shaft, preventing noise and abrasion, thus reducing the driving noise of sewing machine, being exchanged and maintenance period by extending bushing, thus constantly the use of maintenance sewing machine is permanent.
Description
Technical field
The present invention relates to the bearing arrangement of sewing machine upper shaft, more specifically, it is related to one kind, along angle arm, sewing machine is installed
Upper shaft when be prevented from upper shaft the sewing machine upper shaft moving and rocking bearing arrangement.
Background technology
As shown in figure 1, sewing machine drive shaft is divided into along the upper shaft 12 of angle arm 11 installation and holds along lathe 13 peace
Axle 14, and mutually link.Upper shaft 12 makes lockstitch pin carry out back and forth movement on feeder, and lower axle 14 is located at and send
The bottom of material machine, lower axle 14 is sequentially installed with spool box 15 and spool 16 and the rotary hook 17 of supply bottom line (offline).
The direction of rotation of upper shaft 12 constituting drive shaft in sewing machine 10 and the direction of rotation of the lower axle 14 making spool rotation
Different.Generally, during lockstitch is carried out on the basis of feeder with pin 1 time coming and going, the lower axle of supply bottom line
14 to carry out 2 rotations with upper shaft 12 rightabout.Fig. 2 is in order that the upper shaft 12 of sewing machine 10 and lower axle 14 are interactive, passes through
Setting vertical axises 18 and power transmitting gear 19, make upper shaft 12 and lower axle 14 interactive.
As described above, when installing the drive shaft of the upper shaft being divided into sewing machine and lower axle, all the time all so that institute can be reduced
Need number of components, driving noise and vibration can be reduced while substantially ensuring that part arrangement space as design, Korean Patent
When applying for having described installation drive shaft in No. 10-2000-0022665, number of components can be reduced, be empty reducing part cloth
Between while can reduce drive noise and vibration technical scheme.Remember in Korean Patent Publication No. 10-2007-0048609
Carry by mitigating the relevant technical side of bearing arrangement rocking and reducing abrasion, breakage etc. that the heavy burden of lower axle is prevented with gear
Case.
Sewing machine upper shaft is based on slip and abrasion in rotary moving, or the resistance based on slip and related generation in rotary moving
Power with slide and speed in rotary moving and slip/in rotary moving when the heavy burden that applies, by the PV value being determined based on surface pressing
Impact very big.This is due to increasing and the increase with area with speed, and friction ratio increases, and frictional resistance increases,
Abrasion increases.
But, the structure of existing sewing machine is assembled with crank head for one end of upper shaft, along upper shaft length direction group
Several bearing metal bushings are filled to help upper shaft to rotate.But, simply to enumerate the side of bearing metal bushing as above
The upper shaft of the sewing machine that formula supports is difficult to eliminate between centers noise and the vibrations such as abrasion, the deformation of based liner long lasting for ground,
The reasons such as the fusing due to bushing are difficult to maintain the high-precision thickly rotation status of axle long lasting for ground.
Content of the invention
The present invention proposes to solve prior art problem, it is an object of the invention to, provide one kind along the angle of entry
When arm installs the upper shaft of sewing machine, moving and rocking of upper shaft can be prevented, fusing and the axle of the sewing machine upper shaft worn and torn can be prevented
Bearing apparatus.
It is a further object of the invention to provide a kind of upper shaft using sewing machine as axle along angle arm install when, can
Reduce the bearing arrangement of the sewing machine upper shaft driving noise and vibration and fusing and abrasion of upper shaft.
A further object of the present invention is, provide a kind of upper shaft using sewing machine as axle along angle arm install when, lead to
Cross the fusing reducing bushing and the bearing arrangement of the sewing machine upper shaft of durability that can improve sewing machine of wearing and tearing.
The present embodiments relate to the bearing arrangement of sewing machine upper shaft include upper shaft, one end is combined with crank, the other end
With power transmission mediator be combined, be horizontally arranged in the angle arm of sewing machine as axle, and by being alongst formed with
The quill shaft of emptying aperture is constituted；Spiral guide channel, is formed at least the one of described upper shaft external diameter；First bushing, along described spiral shell
Rotation guide channel is arranged on neighbour position around the crank install in described upper shaft；And second bushing, for supporting upper shaft
Bear a heavy burden and guide the rotation of upper shaft in deadweight and upper shaft, be arranged on along described spiral guide channel and be separated by necessarily with described first bushing
Together upper shaft is fixed in angle arm on one end of the upper shaft of distance and with the first bushing,.
It is another feature that, provide a kind of bearing arrangement of sewing machine upper shaft it is characterised in that including：On
Axle, one end is combined with crank, and the other end is combined with power transmission mediator, is horizontally arranged in the angle arm of sewing machine as axle,
And be made up of the quill shaft being alongst formed with hollow hole；Spiral guide channel, adds at least the one of described upper shaft external diameter
Work；First bushing, is arranged on neighbour position around the crank install in described upper shaft along described spiral guide channel；And the
Two bushings, the rotation of guiding upper shaft while heavy burden in the deadweight of upper shaft and upper shaft for supporting, along described spiral guide channel peace
It is contained in one end of upper shaft separated by a distance with described first bushing and together upper shaft is fixed in angle arm with the first bushing；
And the 3rd bushing, it is arranged on upper shaft intermediate point between described first bushing and the second bushing interval or with described intermediate point
On the basis of be partial to the first bushing or the position of the second bushing.
The present embodiments relate to sewing machine upper shaft bearing arrangement it is characterised in that upper shaft is along its length direction
The quill shaft forming hollow hole is constituted.
The present embodiments relate to sewing machine upper shaft bearing arrangement it is characterised in that upper axial screw guide channel is added
Work is on the position contacting with described first bushing and the second bushing.
The present embodiments relate to sewing machine upper shaft bearing arrangement it is characterised in that installing described first bushing
The pitch of spiral guide channel is processed into the left-hand rotation hand of spiral.
The present embodiments relate to sewing machine upper shaft bearing arrangement it is characterised in that installing described second bushing
The pitch of spiral guide channel is processed into the right-hand rotation hand of spiral.
The present embodiments relate to the bearing arrangement of sewing machine upper shaft prevent it is characterised in that being formed with upper shaft
The stuff up a crack that the direction of principal axis of three bushings slides with rotational slide.
The present embodiments relate to sewing machine upper shaft bearing arrangement it is characterised in that the first bushing include constriction with
The conical head of the section of described crank contact.
The present embodiments relate to sewing machine upper shaft bearing arrangement it is characterised in that the second bushing include constriction with
Described power transmits the conical head of the contact section of mediator.
The present embodiments relate to sewing machine upper shaft bearing arrangement it is characterised in that the first bushing and the second bushing
And the 3rd be formed with screw on bushing 220, described upper shaft is formed with groove corresponding with described screw.
The bearing arrangement of the sewing machine upper shaft that embodiments of the invention are related to is it is characterised in that power transmission mediator selects
Any one from gear or belt pulley.
The bearing arrangement of the sewing machine upper shaft being related to according to embodiments of the present invention, in the upper shaft installing sewing machine along angle arm
When, by preventing moving and rocking and prevent from melting and wear and tear of upper shaft, can have minimizing sewing machine and drive noise and vibration, prolong
The effect of the service life of the replacement of long bushing and maintenance period and upper shaft, by reducing the abrasion of upper shaft side or eccentric rotation
Turn, the fault of whole sewing machine spool can be reduced, can have lasting sewing machine using permanent effect.
Brief description
Fig. 1 is the schematic diagram of general sewing machine body.
Fig. 2 is the sewing upper shaft of machine actuating device and lower shaft portion merogenesis selects schematic diagram.
Fig. 3 be the present embodiments relate to sewing machine upper shaft exploded view.
Fig. 4 be the present embodiments relate to sewing machine upper shaft.
Fig. 5 be the present embodiments relate to the first bushing, (a) be front view, (b) be (a) along A-A sectional view.
Fig. 6 is the sectional view along line B-B for the Fig. 5 (a).
Fig. 7 be the present embodiments relate to the second bushing front view.
Fig. 8 is the sectional view along line C-C for the Fig. 7.
Fig. 9 is the sectional view along line D-D for the Fig. 7.
Figure 10 the present embodiments relate to the 3rd bushing front view.
Figure 11 is the sectional view along E-E line for the Figure 10.
Specific embodiment
Referring to the drawings to a preferred embodiment of the present invention will be described in detail.
The present embodiments relate to the bearing arrangement of sewing machine upper shaft there is the structure executing following function, i.e. will revolve
The upper shaft of the sewing machine turning is fixing on certain position, and the heavy burden in the deadweight and axle supporting upper shaft makes upper shaft rotate simultaneously
Structure.
Fig. 3 illustrate the present embodiments relate to the bearing arrangement of sewing machine upper shaft arrangement example.With reference to Fig. 3, on
One end of axle 100 is assembled with crank 230, is assembled in the first bushing 200 and the 3rd bushing 220 and the second bushing 210 successively
On axle 100, in order to contribute to the smooth rotation of upper shaft 100, upper shaft 100 is installed as axle along the length direction of angle arm.As
Upper the first described bushing 200 and the second bushing 210 and the 3rd bushing 220 are successively along the upper shaft axle that upper shaft 100 is axially mounted
Bearing apparatus have and can eliminate the between centers noise such as abrasion, deformation of based liner and vibration for a long time, are prevented from the molten of bushing
Change etc., and the structure of upper shaft 100 can be supported with high-accuracy rotation status long lasting for ground.
The bearing arrangement of the sewing machine upper shaft that first embodiment of the invention is related to has upper shaft 100, its one end and crank 230
In conjunction with the other end is combined with power transmission mediator (being shown as bevel gear in accompanying drawing), is arranged on sewing as axle horizontal direction
In the angle arm of machine.
Additionally, being formed with spiral guide channel 130,130a at least the one of the external diameter of upper shaft 100.
Additionally, the spiral guide channel 130 along upper shaft 100 be arranged in upper shaft 100 and with crank 230 around neighbour position
On the first bushing 200 is installed.
First bushing 200 is mounted for supporting the heavy burden in the deadweight and upper shaft of upper shaft 100 along spiral guide channel 130
Guide the rotation of upper shaft simultaneously.
Additionally, the second bushing 210 is installed on one end of the upper shaft separated by a distance with the first bushing 200, described
Two bushings 210 together with the first bushing 200, upper shaft 100 are fixed in angle arm.
Second bushing 210 along spiral guide channel 130a be mounted for supporting the heavy burden of the deadweight of upper shaft 100 and upper shaft with
When guiding upper shaft rotation.
The bearing arrangement of the sewing machine upper shaft that second embodiment of the invention is related to has upper shaft 100, its one end and crank 230
In conjunction with the other end is combined with power transmission mediator, is arranged in the angle arm of sewing machine as axle horizontal direction.
Additionally, the spiral guide channel 130 at least, 130a are formed with the external diameter of upper shaft 100.
Additionally, the spiral guide channel 130 along upper shaft 100 be arranged in upper shaft 100 and with crank 230 around neighbour position
On the first bushing 200 is installed.
First bushing 200 is mounted for supporting the heavy burden in the deadweight and upper shaft of upper shaft 100 along spiral guide channel 130
Guide the rotation of upper shaft simultaneously.
Additionally, the second bushing 210 is installed on one end of the upper shaft separated by a distance with the first bushing 200, described
Two bushings 210 together with the first bushing 200, upper shaft 100 are fixed in angle arm.
Second bushing 210 along spiral guide channel 130a be mounted for supporting the heavy burden of the deadweight of upper shaft 100 and upper shaft with
When guiding upper shaft rotation.
Additionally, the bearing arrangement of sewing machine upper shaft includes being arranged between the first bushing 200 and the second bushing 210 interval
Upper shaft 100 intermediate point or the 3rd bushing 220 being partial to the first bushing or the second bushing centered on described intermediate point.
Wherein, undeclared labelling 203 is formed at the axial trough of the first bushing, and 213 are formed at the axial trough of the second bushing, with
And 223 axial troughs being formed at the 3rd bushing.
The present invention can generate hollow hole 110 on the length direction along upper shaft 100, and is constituted with quill shaft form.As
Fruit upper shaft 100 has hollow hole 110, then can mitigate weight and reduce rotary load, thus being conducive to high-speed rotation.
The spiral guide channel 130 of upper shaft 100,130a are formed on the position contacting with the first bushing 200 and the second bushing 210
On.By spiral guide channel, the adhesion between the first bushing 200 and the second bushing 210 can be strengthened, and be conducive to each bushing
The determination of position.
The pitch being provided with the spiral guide channel 130 of the first bushing 200 is preferably processed into the left-hand rotation hand of spiral.With respect to
This, the pitch being provided with the spiral guide channel 130a of the second bushing 210 is preferably processed into right hand helix direction.As above distinguish spiral
During the pitch direction of guide channel, by clearly distinguishing the first bushing and the second bushing, can combine along upper shaft.Can prevent based on
One bushing and being mistakenly inserted of the second bushing lead to reference to bad and assembly failure.
Preferably, upper shaft 100 has the stuff up a crack 120 of the direction of principal axis slip rotational slide preventing the 3rd bushing 220.3rd lining
Set 220 is arranged between the first bushing and the interval of the second bushing, and is firmly arranged in upper shaft 100 by stuff up a crack 120.
By axially mounted on straight line upper shaft 100 on the basis of angle arm, with the general structure of sewing machine as shown in Figure 1
On the basis of observed knowable to, the first bushing 200 is located at left side, and the second bushing 210 is located at right side, and the 3rd bushing 220 is located at it
Between in the middle of position, described first to the 3rd bushing support rectangular upper shaft 100 make to balance around, served as a contrast by centre
Set has manifested the firm bearing support structure being balancedly supported.
First bushing 200 preferably has the conical head 201 of constriction and the contact surface of crank 230.It is formed at the first bushing 200
The maximum gauge of conical head 201 part and the first bushing 200 form jump, contact area reduction such as described jump is big
Little, thus reducing rubbing and reducing abrasion between the first bushing 200 and crank 230.
Equally there is in second bushing 210 constriction and power transmits the conical head 211 of the section that mediator contacts.Conical head
211 contacts area passing through reduction and the power transmission rotary body such as driving gear or belt pulley, thus the second bushing can be reduced by
Friction between 210 and power transmission mediator, and reduce abrasion.
It is formed with screw 202,212,222, by described in first bushing 200 and the second bushing 210 and the 3rd bushing 220
Screw insertion bolt (not shown), can assemble respectively in upper shaft 100 securely.Described first bushing 200 and the second bushing 210
And the 3rd be formed with screw 202,212,222 on bushing 220, upper shaft 100 is formed with groove 102a corresponding to screw, 112a,
Bushing can be bonded respectively in upper shaft by 122a by bolt.
As described above, the present embodiments relate to the bearing arrangement of sewing machine upper shaft receive the driving source such as external motors
The rotation of (not shown), when in the angle arm of sewing machine, upper shaft 100 is rotated, the first bushing 200 and the second bushing 210 and
With equilibrium and powerlessness obliquely supports the deadweight of upper shaft 100 and the heavy burden of upper shaft to three bushings 220, the upper shaft of precision induction simultaneously
Rotation.
The first bushing 200 being arranged in upper shaft 100 and the second bushing 210 are formed respectively along on the external diameter of upper shaft 100
Spiral guide channel 130,130a install, thus preventing direction of principal axis from sliding, and then prevent the double swerve of upper shaft 100, the 3rd bushing
220 are positioned firmly in upper shaft 100 by stuff up a crack 120, and support the central neighbouring position of upper shaft 100, thus increase for
The endurance of weight per axle, and then increase the durability of upper shaft.
Including the bearing arrangement of the first and second bushings being arranged in upper shaft and the sewing machine upper shaft of the 3rd bushing, on edge
Angle arm install sewing machine upper shaft during, by prevent upper shaft move and rock and prevent melt and wear and tear, can subtract
The driving noise of few sewing machine, can extend the exchange of bushing and the durability of maintenance period and upper shaft, by reducing the one of upper shaft
Lateral wearing or eccentric rotary, thus reducing the fault of whole sewing machine system, can maintain the permanent usability of sewing machine.
Although the present invention is illustrated according to the embodiment of accompanying drawing diagram, it is not limited to described embodiment, not
Beyond the enforcement, the modification of formation and the change that carry out after the various modifications being carried out in the range of the technological thought of the present invention and deformation
Shape still falls within the technological thought of the present invention.
Claims (10)
1. a kind of bearing arrangement of sewing machine upper shaft, including：
Upper shaft (100), its one end is combined with crank (230), and the other end is combined with power transmission mediator, is horizontally mounted as axle
In sewing machine angle arm, and it is made up of the quill shaft being alongst formed with hollow hole (110)；
Spiral guide channel (130,130a), processes at least the one of described upper shaft (100) external diameter；
First bushing (200), was arranged on described upper shaft (100) upper crank (230) week installed along described spiral guide channel (130)
Enclose on neighbour position,；And
Second bushing (210), the rotation of guiding upper shaft, edge while heavy burden in the deadweight of upper shaft (100) and upper shaft for supporting
One end that described spiral guide channel (130a) is arranged on the upper shaft separated by a distance with described first bushing (200), and with
One bushing (200) together upper shaft (100) is fixed in angle arm.
2. a kind of bearing arrangement of sewing machine upper shaft, including：
Upper shaft (100), its one end is combined with crank (230), and the other end is combined with power transmission mediator, is horizontally mounted as axle
In the angle arm of sewing machine, and it is made up of the quill shaft being alongst formed with hollow hole (110)；
Spiral guide channel (130,130a), processes at least the one of described upper shaft (100) external diameter；
First bushing (200), was arranged on described upper shaft (100) upper crank (230) week installed along described spiral guide channel (130)
Enclose on neighbour position；And
Second bushing (210), the rotation of guiding upper shaft, edge while heavy burden in the deadweight of upper shaft (100) and upper shaft for supporting
Described spiral guide channel (130a) and be arranged on one end of upper shaft separated by a distance with described first bushing (200) and with first
Bushing (200) together upper shaft (100) is fixed in angle arm；And
3rd bushing (220), is arranged in the upper shaft (100) between described first bushing (200) and the second bushing (210) interval
Between point or be partial to the position of the first bushing or the second bushing on the basis of described intermediate point.
3. the sewing machine upper shaft as described in claim 1 or claim 2 bearing arrangement it is characterised in that
The spiral guide channel (130,130a) of described upper shaft (100) is formed on and described first bushing (200) and the second bushing
(210) on the position contacting.
4. the sewing machine upper shaft as described in claim 1 or claim 2 bearing arrangement it is characterised in that
The pitch installing the spiral guide channel (130) of described first bushing (200) is processed into the left-hand rotation hand of spiral.
5. the sewing machine upper shaft as described in claim 1 or claim 2 bearing arrangement it is characterised in that
The pitch being provided with the spiral guide channel (130a) of described second bushing (210) is processed into the right-hand rotation hand of spiral.
6. sewing machine upper shaft as claimed in claim 2 bearing arrangement it is characterised in that
The stuff up a crack (120) preventing the direction of principal axis of the 3rd bushing (220) from sliding with rotational slide is formed with described upper shaft (100).
7. the sewing machine upper shaft as described in claim 1 or claim 2 bearing arrangement it is characterised in that
Described first bushing 200 includes the conical head (201) of the section that constriction is contacted with described crank (230).
8. the sewing machine upper shaft as described in claim 1 or claim 2 bearing arrangement it is characterised in that
Described second bushing (210) includes constriction and described power transmits the conical head (211) of the section that mediator contacts.
9. sewing machine upper shaft as claimed in claim 2 bearing arrangement it is characterised in that
It is formed with screw (202,212,222), institute on described first bushing (200) and the second bushing (210) and the 3rd bushing 220
State and groove (102a, 112a, 122a) corresponding with described screw is formed with upper shaft 100.
10. the sewing machine upper shaft as described in claim 1 or claim 2 bearing arrangement it is characterised in that
Described power transmits any one that mediator is selected from gear or belt pulley.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2014-0096555 | 2014-07-29 | ||
| KR1020140096555A KR101527811B1 (en) | 2014-07-29 | 2014-07-29 | The upper shaft bearing device of the sewing machine |
| PCT/KR2015/006660 WO2016017938A1 (en) | 2014-07-29 | 2015-06-29 | Bearing device for upper shaft of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106471173A true CN106471173A (en) | 2017-03-01 |
| CN106471173B CN106471173B (en) | 2020-04-03 |
Family
ID=53505775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580028041.4A Active CN106471173B (en) | 2014-07-29 | 2015-06-29 | Bearing device of upper shaft of sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101527811B1 (en) |
| CN (1) | CN106471173B (en) |
| WO (1) | WO2016017938A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200681B (en) * | 2015-10-23 | 2018-09-25 | 拓卡奔马机电科技有限公司 | Pressure foot lifting axis oil storage lubrication system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09164286A (en) * | 1995-12-13 | 1997-06-24 | Brother Ind Ltd | Oil feeding device for sewing machine |
| CN1990936A (en) * | 2005-12-27 | 2007-07-04 | 兄弟工业株式会社 | Bearing arrangement of sewing machine |
| CN201250337Y (en) * | 2008-08-22 | 2009-06-03 | 阮孟定 | Drive spindle of electric direct-drive sewing machine |
| CN201839130U (en) * | 2010-10-08 | 2011-05-18 | 新杰克缝纫机股份有限公司 | Connection structure of motor shaft and upper shaft of sewing machine |
| CN102888722A (en) * | 2011-07-22 | 2013-01-23 | Juki株式会社 | Sewing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200353816Y1 (en) * | 2004-04-02 | 2004-06-22 | 썬스타 특수정밀 주식회사 | Sewing or Embroidery Machine For Vibration Reduction |
| KR20090006063U (en) * | 2007-12-14 | 2009-06-18 | 썬스타 산업봉제기계 주식회사 | Vibrating diminution structure of sewing machine |
-
2014
- 2014-07-29 KR KR1020140096555A patent/KR101527811B1/en active IP Right Grant
-
2015
- 2015-06-29 WO PCT/KR2015/006660 patent/WO2016017938A1/en active Application Filing
- 2015-06-29 CN CN201580028041.4A patent/CN106471173B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09164286A (en) * | 1995-12-13 | 1997-06-24 | Brother Ind Ltd | Oil feeding device for sewing machine |
| CN1990936A (en) * | 2005-12-27 | 2007-07-04 | 兄弟工业株式会社 | Bearing arrangement of sewing machine |
| CN201250337Y (en) * | 2008-08-22 | 2009-06-03 | 阮孟定 | Drive spindle of electric direct-drive sewing machine |
| CN201839130U (en) * | 2010-10-08 | 2011-05-18 | 新杰克缝纫机股份有限公司 | Connection structure of motor shaft and upper shaft of sewing machine |
| CN102888722A (en) * | 2011-07-22 | 2013-01-23 | Juki株式会社 | Sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106471173B (en) | 2020-04-03 |
| WO2016017938A1 (en) | 2016-02-04 |
| KR101527811B1 (en) | 2015-06-10 |
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