CN1664217A - A sewing machine with oil enveloping structure - Google Patents
A sewing machine with oil enveloping structure Download PDFInfo
- Publication number
- CN1664217A CN1664217A CN2005100514580A CN200510051458A CN1664217A CN 1664217 A CN1664217 A CN 1664217A CN 2005100514580 A CN2005100514580 A CN 2005100514580A CN 200510051458 A CN200510051458 A CN 200510051458A CN 1664217 A CN1664217 A CN 1664217A
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- Prior art keywords
- oil
- sewing machines
- drive motor
- enveloping structure
- axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/02—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with one or more flat stamping surfaces having fixed images
- B41K1/04—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with one or more flat stamping surfaces having fixed images with multiple stamping surfaces; with stamping surfaces replaceable as a whole
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/36—Details
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- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to a sewing machine with direct drive type upper shaft, the sewing machine includes an oil sealing structure for preventing the lubricant fed to the mechanical friction part in the sewing machine arm from flowing to the inside/outside of a drive motor. The sewing machine of the invention includes an upper shaft for driving the sewing needle and a lower shaft for driving hook and a drive motor connected to any one of the upper shaft and lower shaft for driving the connected shaft, furthermore, includes a specific oil sealing structure for preventing the lubricant fed to the mechanical friction part from flowing to the inside/outside of the drive motor. According to above structure, because the oil sealing structure is adopted, the invention can prevent the lubricant flowing to the inside/outside of the drive motor mounted on one side of the sewing machine, thereby can protect the drive motor from being damaged; and can prevent the lubricant leaking outside of the body of the sewing machine, thereby can prevent the sewn objects from being polluted.
Description
According to 35U.S.C. § 119 (a), this non-provisional application requires the priority of on March 5th, 2004 at the patent application No.10-2004-0015173 of Korea S's submission, and introduces its full content by reference at this.
Technical field
The present invention relates to have in the direct driving Sewing machines of axle, relate in particular to a kind of Sewing machines that has oil enveloping structure, lubricating oil on the mechanical friction part in the sewing machine arm flows in the CD-ROM drive motor and/or outer to prevent to be given to.
Background technology
Sewing machines generally includes the lower shaft of going up axle, driving spring hook that drives sewing needle and is positioned at body parts one side and is used to drive the CD-ROM drive motor of Sewing machines, wherein, CD-ROM drive motor is by adopting in axle and the lower shaft any one as output shaft, also this output shaft is connected to be connected drives Sewing machines on the media.Yet, be the non-Sewing machines of feeding oil or feeding oil form on a small quantity usually owing to do not have alternative oil enveloping structure, this Sewing machines.
Fuselage 120 comprises arm 130, and this arm is given prominence to forward from the top side of column 124 and had last 110.Should go up axle 110 and be driven by the CD-ROM drive motor 200 that is positioned at rear side, this CD-ROM drive motor is placed in the motor base 150.
CD-ROM drive motor 200 is being supported by the intake section 150a that is positioned at motor base 150 fronts and is being connected with the axle 110 of going up that will move, and sends power to lower shaft 160 by synchronous belt 190.This CD-ROM drive motor 200 is connected with last axle 110 by shaft coupling 300.There are several problems in Sewing machines 100 aspect supplying lubricating oil, that is, lubricating oil can spray in the mechanical friction portion of axle and owing to the rotation of axle flows to and/or splashes on each side in the arm 130.
In brief, for the above-mentioned Sewing machines that does not have the prior art of auxiliary oil enveloping structure, lubricating oil can flow in the drive division of CD-ROM drive motor, therefore along last axle and inwall side, when lubricating oil being introduced in the arm when allowing the various piece of machine move reposefully, will certainly cause the damage of motor.Above-mentioned Sewing machines also has such problem, for example since lubricating oil in motor base/outer flowing, can cause oil leak to go out the fuselage part of Sewing machines and bring pollution, so increase the difficulty of production high quality of products sew article.
Summary of the invention
Therefore, the present invention is devoted to address the above problem, correspondingly, a kind of so novel Sewing machines is provided, its purpose is, flow in the motor base/the external damage that prevents CD-ROM drive motor by the lubricating oil in the mechanical friction portion that prevents to be given to Sewing machines, and by preventing that main body section that oil leak goes out Sewing machines from assigning to prevent the pollution to the sewing article.
Description of drawings
By below in conjunction with the specific explanations of accompanying drawing to preferred embodiment, can allow those skilled in the art further understand above-mentioned purpose of the present invention, feature and advantage, in the accompanying drawing:
Fig. 1 is the side sectional view of the Sewing machines of prior art;
Fig. 2 shows is according to an embodiment of the invention, have a side sectional view of the Sewing machines of oil enveloping structure;
Fig. 3 shows is the cutaway view that the A-A line cuts in Fig. 2;
Fig. 4 a is the side view of the oil seal cover in the one embodiment of the invention;
Fig. 4 b is the rearview of the oil seal cover shown in Fig. 4 a;
Fig. 5 shows is view according to shaft coupling of the present invention and shaft coupling insert;
Fig. 6 shows is in accordance with another embodiment of the present invention, have a side sectional view of the Sewing machines of oil enveloping structure;
Fig. 7 shows is the cutaway view that the B-B line cuts in Fig. 6;
Fig. 8 a is the side view of the oil seal cover in the another embodiment of the present invention; And
Fig. 8 b is the rearview of the oil seal cover shown in Fig. 8 a.
The specific embodiment
Coming specific explanations the present invention with the following example below with reference to the accompanying drawings, provide these embodiment in order that make an explanation, is to be defined in scope of the present invention described and should not be construed
Embodiment.
To achieve these goals, the invention provides a kind of Sewing machines, it comprises the lower shaft of going up axle, driving spring hook that drives sewing needle and is connected to any CD-ROM drive motor with the driving Sewing machines in axle and the lower shaft that it comprises that also oil enveloping structure flows in the CD-ROM drive motor to prevent the lubricating oil that is given in the mechanical friction portion.
In addition, oil enveloping structure is first oil enveloping structure, the lubricating oil that it prevents to be introduced into the mechanical friction portion of axle or lower shaft effectively flows to the CD-ROM drive motor side along the surface of last axle or lower shaft, prevents that perhaps this lubricating oil from flowing to that the inwall side utilizes spool then or the rotation of lower shaft flows to the CD-ROM drive motor side along the inwall side.
Perhaps, oil enveloping structure can be second oil enveloping structure, the lubricating oil that it will flow in the fuselage of motor base is discharged, laying CD-ROM drive motor in this motor base safely, the oil leak that this second oil enveloping structure also prevents to be introduced in the Sewing machines goes out the Sewing machines fuselage, perhaps prevents impurity freely-movable in the Sewing machines fuselage.
First oil enveloping structure comprises the covering oil sealing with desired thickness, and it is centered around axle or the outer periphery of lower shaft and between this mechanical friction portion and CD-ROM drive motor.
First oil enveloping structure also comprises the shaft coupling insert that the center closure, and it is inserted in the central authorities of shaft coupling, and axle or lower shaft are connected with CD-ROM drive motor.
And first oil enveloping structure also comprises oil seal cover, and this oil seal cover is around the mechanical friction portion of last axle or lower shaft.
This oil seal cover has boring to pass axle or lower shaft.
This boring is used for inserting the covering oil sealing.
The oil seal cover bottom side is being opened wide.
In order to stop lubricating oil along the inwall side flow, first oil enveloping structure also has the oil sealing projection, and this oil sealing projection forms from the inwall side of fuselage.
First oil enveloping structure has anti-oil ring, and this anti-oil ring is connected to the periphery of motor base inlet, is laying CD-ROM drive motor in this motor base safely.
Prevent that in order to collect oil ring stops the lubricating oil that gets off, oil collection part at the bottom of forming groove type on the periphery of the motor base inlet that CD-ROM drive motor is housed.
Simultaneously, second oil enveloping structure has outage, and it is positioned at the fuselage bottom side of the motor base that CD-ROM drive motor is housed, and is discharged to the outside with the lubricating oil that will flow in the motor base.
Second oil enveloping structure has the oil-bound distemper protective cover, and with the inner space of transverse sealing column, this column is used to connect bottom parts and arm.
The oil-bound distemper protective cover has discharge orifice so that lubricating oil is disposed in the required memory space, and this oil-bound distemper protective cover forms to such an extent that slope down to discharge orifice.
Hereinafter, describe the oil enveloping structure of Sewing machines according to an embodiment of the invention in conjunction with the accompanying drawings in detail.
Fig. 2 shows is according to an embodiment of the invention, have a side sectional view of the Sewing machines of oil enveloping structure.Fig. 3 shows is the cutaway view that the A-A line cuts in Fig. 2.Fig. 4 a and 4b are respectively the side view and the rearviews of the oil seal cover in the one embodiment of the invention.
As shown in the figure, Sewing machines 100 comprises upward axle 110, the lower shaft 160 of driving spring hook 162 and the CD-ROM drive motor 200 that is installed in fuselage 120 1 sides that drives sewing needle, this CD-ROM drive motor 200 is by adopting axle 110 as output shaft and should go up spools 110 and be connected media with shaft coupling 300 grades and be connected, thus driving Sewing machines 100.
Such oil enveloping structure is divided into two parts according to its function usually.
At first, this oil enveloping structure is first oil enveloping structure, its lubricating oil that prevents to be introduced in the mechanical friction portion of axle 110 or lower shaft 160 flows to CD-ROM drive motor side 200 along the surface of last axle 110 or lower shaft 160, perhaps prevent this lubricating oil flow to the inwall side utilize then spools 110 or the rotation of lower shaft 160 flow to CD-ROM drive motor side 200 along the inwall side.
Perhaps, this oil enveloping structure can be second oil enveloping structure, its lubricating oil that will flow in motor base 150 fuselages is discharged, laying CD-ROM drive motor 200 safely in this motor base 150, this second oil enveloping structure also prevents to be introduced into the fuselage that oil leak in the Sewing machines 100 goes out Sewing machines 100, perhaps prevents impurity freely-movable in the fuselage of Sewing machines 200.
When being stored in lubricating oil in the bottom parts 140 by rail 122 when being incorporated into axle 110, first oil enveloping structure prevents that lubricating oil from flowing in the drive source of CD-ROM drive motors 200 along last axle 110; Perhaps, this first oil enveloping structure prevent to be introduced into the centrifugal force that rotation produced of axle 110 in the lubricating oil utilization of axle 110 and flow to the inwall side of arm 130, the inwall side along arm 130 flows in the motor base 150 that CD-ROM drive motor 200 is housed then.
Second oil enveloping structure intercepts the oil leak that has flowed in the motor base 150 and goes out fuselage 120 to avoid polluting the article of being sewed; The lubricating oil that also intercepts the lubricating oil that has been given to lower shaft 160 and be stored in the bottom parts 140 flows in the arm 130, and the lubricating oil at this two place all forms the oil-bound distemper of subparticle form; Perhaps allow by last oil collection part 154 and outage 156 stop that the lubricating oil that gets off flows in the default memory space that is formed in the bottom parts 140.
For the Sewing machines that has the belt-type structure, thereby axle 110 moves by the drive source that the connection media is connected to CD-ROM drive motor 200 on it, thereby its lower shaft 160 is by moving the driving force transfer member such as synchronous belt 190 and the middle part that synchronous pulley 192 is connected to axle 110, in this Sewing machines, be introduced into axle 110 lubricating oil by the rail in the bottom parts 140 122 and go up spools 110 along this and flow in the drive source of CD-ROM drive motor 200.
Flow in order to intercept this of lubricating oil, the rear side of the twin shaft lining 112 of last axle be provided with hide oil sealing 114 with stop lubricating oil along on the peripheral sides of axle 110 mobile.
Hide oil sealing 114 can with two kinds independently mode use, a kind of mode is, thus this hides oil sealing 114 and stops the apparent motion of lubricating oil along last axle 100 round the surface of last axle 110; Perhaps, in another way, this covering oil sealing 114 round the boring 118 (shown in Fig. 4 a) of oil seal cover 116 thus be provided with and closely be placed on the axle 110 to limit the motion of lubricating oil.
If the covering oil sealing 114 with desired thickness is around the surface of last axle 110, then the motion of 114 pairs of lubricating oil of this covering oil sealing work that played barrier flows through from it in order to prevention lubricating oil.Because this covering oil sealing 114 also closely is placed on the axle 110, therefore can stop the motion of lubricating oil.
For intercept lubricating oil along the inwall side of fuselage 120 flow to 150 li of motor bases/outside, the twin shaft of last axle 110 serve as a contrast 112 rear sides install oil seal cover 116 with the lubricating oil that prevents to be introduced into axle 110 since on spool the centrifugal force that rotation was produced flow to the inwall side of fuselage 120.
As shown in Figs. 4a and 4b, oil seal cover 116 is the rectangular box form that a side and bottom surface are being opened wide, and have that the rear end of keeping supplying axle 110 passes go up boring 118.On this boring peripheral sides of 118, connecting and hides oil sealing 114 and flow in the driving shaft of CD-ROM drive motor 200 along last 110 to stop lubricating oil.
To flow downward and stop it to flow to CD-ROM drive motor 200 along the lubricating oil of fuselage 120 inwall side flow in order to allow, be provided with the oil sealing projection 132 of stretching out from fuselage 120 inwall sides.In addition, anti-oil ring 152 is contained on the periphery of motor base 150 inlets to stop that lubricating oil upwards is transferred to the intake section of motor base 150 along the inwall side of fuselage 120.
Form the end oil collection part 154 of groove shapes in the front of anti-oil ring 152, be used for collecting and prevent that oil ring 152 stops the lubricating oil that gets off.The lubricating oil of constant basis is collected in the end oil collection part 154, and this end oil collection part 154 is anti-oil ring 152 front sides that the groove sample is formed on motor base 150.The lubricating oil that is collected in the end oil collection part 154 is preferably discharged downwards.
Stop lubricating oil to flow to first oil enveloping structure of CD-ROM drive motor side 200 for being used to, need allow the lubricating oil predetermined route of flowing through, after the motion that limits this lubricating oil, it is collected in the set space then.Consider such needs and proposed second oil enveloping structure.
Stop that it is very important that lubricating oil flows in the motor base 150, in addition, the lubricating oil that needs to flow to the there is discharged.Therefore, second oil enveloping structure has the outage 156 of the fuselage bottom side that is formed on motor base 150, disposes then with the downward discharge of lubricating oil that will flow in the motor base 150 by this outage 156.
In order to stop that lubricating oil that is given to lower shaft 160 and the lubricating oil that is stored in the bottom parts 140 flow in the arm 130, the lubricating oil at this two place all becomes the oil-bound distemper for the subparticle form, laterally is provided with oil-bound distemper protective cover 142 in column 124 inboards that bottom parts 140 and arm 130 are coupled together.
The surface of oil-bound distemper protective cover 142 form the metallic plate of required form and collect from end oil collection part 154 and be positioned at oil-bound distemper protective cover 142 central parts outage 156 drippages, stop the lubricating oil that gets off.This oil-bound distemper protective cover position in the central also has discharge orifice 148, is formed in the memory space set in the bottom parts 140 to allow collected lubricating oil flow into.
By discharge orifice 148 lubricating oil is discharged to the bottom side of oil-bound distemper protective cover 142, then, that the lubricating oil of discharge flows into is above mentioned, in the bottom parts 140 in the set memory space.By oil-bound distemper protective cover 142 is sloped down to discharge orifice 148 places with required angle, then lubricating oil can easily lead to discharge orifice 148.
What Fig. 5 showed is the view that connects the shaft coupling of CD-ROM drive motor and last axle.As shown in Figure 5, it comprises right and Left-wing Federation's axial organ 300 and shaft coupling insert 310.
Such shaft coupling insert usually in the central the position have the boring identical with two shaft couplings 300.Mobile in order to prevent lubricating oil along this central part, thus firmly allow lubricating oil can not flow to the drill hole of right shaft coupling 300 borehole sealing of shaft coupling insert 310.
Fig. 6 has specifically shown in accordance with another embodiment of the present invention, has had the side view of the another kind of Sewing machines of oil enveloping structure.Fig. 7 shows is the cutaway view that the B-B line cuts in Fig. 6.
As shown above, the Sewing machines 100 that is the upright shafts form comprises driving force conveyer and lower shaft 160, this driving force conveyer for example is bevel gear 170 and the upright shafts 180 that is connected to axle 110 central parts, this lower shaft 160 is driven by the driving force conveyer, and Sewing machines 100 also has according to oil enveloping structure of the present invention.Except employed synchronous belt 190, this oil enveloping structure is similar to oil enveloping structure among the embodiment shown in Figure 2.
Fig. 8 a and 8b are respectively the side view and the rearviews of oil seal cover in another embodiment of the present invention.As shown in these figures, the twin shaft of axle serves as a contrast on the oil seal cover 116 of 112 rear sides on being installed on, and forms the grease proofing part 119 with width W 2, and this width W 2 is greater than the width (W1 shown in Fig. 4 a) of the grease proofing part of belt-type Sewing machines.
Take such size to be because upright shafts type Sewing machines has adopted bevel gear 170 as the driving force conveyer.That is to say, because bevel gear 170 should have the oil leak of such structure to introduce lubricating oil and to prevent even produced in the rotation of bevel gear 170, therefore, the grease proofing part 119 of oil seal cover 116 forms to such an extent that have a bigger width W 2, and this width is enough to cover the shared zone of bevel gear 170.
On the contrary, because the Sewing machines that has as the synchronous belt 190 of driving force conveyer is not given to lubricating oil on the synchronous pulley 192, oil seal cover 116 needs neither within it to comprise that synchronous pulley 192 does not need to comprise synchronous belt 190 yet, therefore, the grease proofing part 119 of formation has width smaller W1.
Such oil seal cover 116 also is to be the rectangular box form that a side and bottom surface are being opened wide, and have that the rear end of keeping supplying axle 110 passes go up boring 118.
The sewing function that has oil enveloping structure recited above prevent to be given in the mechanical friction portion oil leak and after this because the damage of the CD-ROM drive motor that this leakages caused, thereby protect the article of sewing not polluted.
As mentioned above, by adopting the oil enveloping structure of special efficacy, Sewing machines of the present invention stop effectively lubricating oil flow in the CD-ROM drive motor that is installed in Sewing machines one side/outer, thereby avoid damage to CD-ROM drive motor, in addition, stop that also oil leak goes out outside the fuselage of Sewing machines and prevent that the article of sewing from being polluted.
Obviously, for the invention of explanation like this, can make amendment to the present invention in many ways.Such modification does not depart from the spirit and scope of the present invention, and, it will be apparent to one skilled in the art that all such modifications should be contained by the scope of claims.
Claims (12)
1. Sewing machines that has oil enveloping structure comprises:
Drive the lower shaft of going up axle and driving hook of sewing needle; And
Be connected to axle or lower shaft driving the CD-ROM drive motor of the axle connected,
Wherein, oil enveloping structure stops that the lubricating oil in the mechanical friction portion that is given to axle or lower shaft flows into CD-ROM drive motor.
2. Sewing machines as claimed in claim 1, wherein,
Oil enveloping structure is first oil enveloping structure, and its lubricating oil that prevents to be given in the mechanical friction portion of axle or lower shaft flows to the CD-ROM drive motor side along the surface of last axle or lower shaft; Prevent that perhaps this lubricating oil from flowing to the inwall side and utilizing the rotation of axle or lower shaft then and flow to the CD-ROM drive motor side along the inwall side.
3. Sewing machines as claimed in claim 1, wherein,
Oil enveloping structure is second oil enveloping structure, and its lubricating oil that will flow in the motor base fuselage is discharged, and is laying CD-ROM drive motor in this motor base safely; Also prevent to be introduced into the fuselage that oil leak in the Sewing machines goes out Sewing machines; Perhaps prevent impurity freely-movable in the Sewing machines fuselage.
4. Sewing machines as claimed in claim 2, wherein,
First oil enveloping structure has the covering oil sealing of desired thickness, and this hides oil seal ring around between the mechanical friction portion and CD-ROM drive motor of last axle or lower shaft.
5. Sewing machines as claimed in claim 2, wherein,
It is closed shaft coupling inserts that first oil enveloping structure has its central authorities, thereby will go up axle or lower shaft is connected with CD-ROM drive motor with the central part that is inserted into shaft coupling.
6. Sewing machines as claimed in claim 2, wherein,
First oil enveloping structure comprises that this oil seal cover has boring round the oil seal cover of the mechanical friction portion of last axle or lower shaft, and last axle or lower shaft pass this boring, and are inserted with the covering oil sealing in this boring.
7. Sewing machines as claimed in claim 2, wherein,
First oil enveloping structure also has the oil sealing projection of stretching out from the inwall side of Sewing machines fuselage, to stop that lubricating oil is along the inwall side flow.
8. Sewing machines as claimed in claim 2, wherein,
First oil enveloping structure also has anti-oil ring, and it is connected to the peripheral sides of the motor base inlet that CD-ROM drive motor is housed.
9. Sewing machines as claimed in claim 8, wherein,
Prevent that in order to collect oil ring stops the lubricating oil that gets off, this Sewing machines also comprises end oil collection part, and it is form of grooves, is positioned on the peripheral sides of the motor base inlet that CD-ROM drive motor is housed.
10. Sewing machines as claimed in claim 3, wherein,
Second oil enveloping structure has outage, and it is positioned at the bottom side of the motor base fuselage that CD-ROM drive motor is housed, and is used for the lubricating oil that flows in the motor base is discharged.
11. Sewing machines as claimed in claim 3, wherein,
Second oil enveloping structure has the oil-bound distemper protective cover and is used for the inner space of transverse sealing posture in standing (qigong) post, and this column is used for connecting bottom parts and arm.
12. Sewing machines as claimed in claim 11, wherein,
The oil-bound distemper protective cover has discharge orifice so that lubricating oil is discharged in the set memory space, and this oil-bound distemper protective cover slopes down to discharge orifice.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2004-0015173 | 2004-03-05 | ||
| KR10-2004-0015173A KR100522143B1 (en) | 2004-03-05 | 2004-03-05 | Sewing machine with oil sealing structure |
| KR1020040015173 | 2004-03-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1664217A true CN1664217A (en) | 2005-09-07 |
| CN1664217B CN1664217B (en) | 2011-06-01 |
Family
ID=35035509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100514580A Expired - Fee Related CN1664217B (en) | 2004-03-05 | 2005-03-07 | A sewing machine with oil enveloping structure |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100522143B1 (en) |
| CN (1) | CN1664217B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260964B (en) * | 2005-07-27 | 2012-06-20 | 兄弟工业株式会社 | Sewing machine |
| CN101314900B (en) * | 2008-07-21 | 2012-10-03 | 张章生 | Fully sealing transmission mechanism of caracol hook race sewing machine |
| CN101397731B (en) * | 2007-09-28 | 2013-01-23 | 兄弟工业株式会社 | Lubricating device of sewing machine |
| CN103184661A (en) * | 2013-03-20 | 2013-07-03 | 新杰克缝纫机股份有限公司 | Direct-driven sewing machine motor coupling |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2713062B2 (en) * | 1992-10-12 | 1998-02-16 | ブラザー工業株式会社 | sewing machine |
| JPH06304375A (en) * | 1993-04-27 | 1994-11-01 | Barudan Co Ltd | Structure of drive section of hook in multi-head sewing machine |
| JPH08159153A (en) * | 1994-12-01 | 1996-06-18 | Brother Ind Ltd | Bearing device |
| JPH08196771A (en) * | 1995-01-20 | 1996-08-06 | Brother Ind Ltd | Lubrication mechanism for sewing machine |
| JP4164158B2 (en) * | 1998-06-04 | 2008-10-08 | Ｊｕｋｉ株式会社 | Upper shaft direct drive sewing machine |
| JP2003019379A (en) * | 2001-05-01 | 2003-01-21 | Juki Corp | Cooling device for sewing machine |
-
2004
- 2004-03-05 KR KR10-2004-0015173A patent/KR100522143B1/en not_active IP Right Cessation
-
2005
- 2005-03-07 CN CN2005100514580A patent/CN1664217B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260964B (en) * | 2005-07-27 | 2012-06-20 | 兄弟工业株式会社 | Sewing machine |
| CN101397731B (en) * | 2007-09-28 | 2013-01-23 | 兄弟工业株式会社 | Lubricating device of sewing machine |
| CN101314900B (en) * | 2008-07-21 | 2012-10-03 | 张章生 | Fully sealing transmission mechanism of caracol hook race sewing machine |
| CN103184661A (en) * | 2013-03-20 | 2013-07-03 | 新杰克缝纫机股份有限公司 | Direct-driven sewing machine motor coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100522143B1 (en) | 2005-10-18 |
| CN1664217B (en) | 2011-06-01 |
| KR20050089661A (en) | 2005-09-08 |
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