CN202347259U - Looper device of sewing machine - Google Patents
Looper device of sewing machine Download PDFInfo
- Publication number
- CN202347259U CN202347259U CN2011202919493U CN201120291949U CN202347259U CN 202347259 U CN202347259 U CN 202347259U CN 2011202919493 U CN2011202919493 U CN 2011202919493U CN 201120291949 U CN201120291949 U CN 201120291949U CN 202347259 U CN202347259 U CN 202347259U
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- Prior art keywords
- looper
- thread
- advanced
- following
- last
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/06—Loop takers, e.g. loopers for overedge-stitch sewing machines
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/30—Driving-gear for loop takers
- D05B57/32—Driving-gear for loop takers in chain-stitch sewing machines
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B63/00—Devices associated with the loop-taker thread, e.g. for tensioning
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The utility model aims at providing a looper device of a sewing machine. According to the lopper device, the lead-out direction and the lead-out positions of a lower looper thread are stabilized, an upper looper can reliably lift the lower looper thread of a lower looper of the sewing machine, the jumping is avoided and beautiful needle tracks are formed. The solution of the utility model is that a hole (101) of a looper tip thread outlet (100) of a pipe opening is obliquely formed towards a tip (P2) of the lower looper (8) in a way that threading of the looper thread is easily operated; when the needle tracks are formed, the lower looper thread (T3) extends to the cloth from a looper tip thread outlet in the lower looper thread lead-out direction (102) when the upper looper (7) lifts the lower looper thread of the lower looper, so that the looper tip thread outlet is superposed with a looper tip thread auxiliary outlet (103) penetrating in the lower looper thread lead-out direction.
Description
Technical field
The utility model relates to the looper device of Sewing machines, particularly relates to the looper device that the Sewing machines that beautiful needle tracking uses copied the looper thread of the following looper of getting Sewing machines, prevents wire jumper, forms reliably by looper.
Background technology
In the past, as the Sewing machines of the looper device that uses Sewing machines, known have the looper thread with the needlework of crosspointer, the looper thread of going up looper, following looper to tangle, and carries out the overseam Sewing machines (patent documentation 1-patent documentation 3) of four line overseams of crosspointer of overseam.
As shown in Figure 6; In the looper device of this Sewing machines; Last looper driving inclination cam 54 is fixed to by motor of sewing machine M and rotates on the driving shaft 53 that drives with flywheel 52 via synchronous toothed belt MB, is coupled on the looper driving inclination cam 54 as the roller 56 that is installed to the cam-follower on the looper driving fork 55.Last looper drives fork 55 and utilizes pin 58 to be installed to pivotally on the looper driving shaft 57.
The end of last looper actuating arm 58a is fixed on the looper driving shaft 57, and last looper installation shaft 59 is installed on the other end of looper actuating arm 58a pivotally.Last looper installation shaft 59 is bearing on the pivot 60 slidably, and pivot 60 is pivotally mounted on the framework.Last looper 50 is fixed to the upper end of looper installation shaft 59.
For last looper 50, looper thread is loaded into looper groove 66 from the looper thread pipe 61 that the most advanced and sophisticated line outlet of looper 65 (Fig. 7) threading uses that enters the mouth, and pipe 61 is kept by last looper.
In addition, utilize static thread-carrier 80, with respect to the looper thread introducing port 64a of the last looper 50 of the looper thread spudger 82 of this thread-carrier swing, swing, the function of last looper thread take-up.
The last looper 50 that constitutes like this is accompanied by the rotation of driving shaft 53, by being driven inclination cam 54, roller 56 by last looper, go up looper driving fork 55, going up the last looper drive division 51 that looper driving shaft 57 constitutes, carries out elliptic motion with respect to pin 11a, 11b.
In addition, in the structure of the following looper drive division 71 of looper 70 usefulness, following looper drives inclination cam 72 and is fixed on the driving shaft 53 under driving, and is fitted to down looper as the roller 74 that is installed to down the cam-follower on the looper driving fork 73 and drives on the inclination cam 72.Following looper drives fork 73 and is installed to down pivotally on the looper driving shaft 75 by pin 76.Following looper 70 is fixed on the following looper driving shaft 75.
For following looper 70, looper thread from the looper thread pipe 76a that the most advanced and sophisticated line outlet of looper 66a (Fig. 7) threading uses that enters the mouth, is loaded among the looper groove 76b.
In addition, utilize static thread-carrier 81, with respect to the looper thread introducing port 85 of the following looper 70 of the looper thread spudger 82 of this thread-carrier swing, swing, the function of last looper thread take-up.
The following looper 70 that constitutes like this; Be accompanied by the rotation of driving shaft 53; Driven following looper drive division 71 drivings that inclination cam 72, roller 74, following looper driving fork 73 and following looper driving shaft 75 constitute by following looper, following looper 70 synchronously carries out oscillating motion with respect to pin 11a, 11b and last looper 50.
In addition, as shown in Figure 6, be provided with pin drive rod 86, this pin drive rod 86 is used for driving the driving mechanism 87 that the needle stand 88 of putting pin 11a, 11b is carried in eccentric cam 84 drivings from the pin of being located on the driving shaft 53.
And for above-mentioned looper, the looper structure of overseam Sewing machines is through very long historical course, and each manufacturing company of overseam Sewing machines has developed independently form respectively for the shape and the actuating mechanism thereof of looper meticulously.
In Fig. 7, represent an example of the shape of the following looper 70 in this looper.
That is, for following looper 70, being used for down, the looper thread threading of looper thread T3 is loaded into looper groove 76b (Fig. 6) to the pipe 76a that the looper tip exports 66a.
Thereby, to compare with the following looper that pipe that following looper thread T3 threading is used is not loaded into, following looper 70 forms thicklyer.
In addition, the hole 90 of the most advanced and sophisticated outlet of the looper 66a of pipe 76a opening is formed obliquely with the most advanced and sophisticated P2 of the downward looper of mode of the looper thread threading that descends looper thread T3 easily.
In addition, consider down the diameter of the pipe 76a that the looper thread threading of looper thread T3 is used,, then wear the hole 90 of the most advanced and sophisticated line outlet of looper 66a with bigger diameter if compare with the following looper that pipe that the looper thread threading is used is not loaded into.
In addition; Export the outlet side looper point surface 91 in the hole 90 of 66a at the most advanced and sophisticated line of looper; Drawing on the direction 92 towards the following looper thread of the following looper thread T3 of the cloth of making, form quilt and become thin guiding path of navigation 93 than shallow cut from the hole 90 of the most advanced and sophisticated line outlet of looper 66a.
In addition; On following looper 70; Formation cuts into banded otch path 94, so as can so that go up the most advanced and sophisticated P1 of looper 50 can not rub play looper 70 ground, relatively subtend is through drawing the position of separating slightly on the direction 92 from the hole 90 of the most advanced and sophisticated line outlet of looper 66a at following looper thread.
In this looper device, when pin 11a, 11b from top dead centre descend, when the point of below rises, take up needlework with the most advanced and sophisticated P2 of looper 70 down; Keep colluding under the state that is hung on the looper 70 down at needlework, along with looper 70 down advances, last looper 50 is from the some rising of below; Utilize most advanced and sophisticated P1 to take up by from the following following looper thread T3 of the pipe 76a yarn feeding of looper 70; Collude hang looper thread T3 down on looper 50 then back off after arriving top dead centres when falling, take up by last looper thread from pin 11a, the 11b of top dead centre decline from pipe 61 yarn feedings of last looper 50, penetrate cloth; Along with following looper 70 retreat and the needlework that colluded extension by after playing looper 70 to extract to come off; Be hooked on following looper thread T3 on the looper 50 through descending and extract and come off along with last looper 50, and the formation brosser point (patent documentation 3, Fig. 7).
In this case, owing to consider down the diameter of the pipe 76a that the looper thread threading of looper thread T3 is used, if the following looper that the pipe of using with the looper thread threading is not loaded into contrasts; Then wear the hole 90 of the most advanced and sophisticated line outlet of looper 66a with bigger diameter, so, even on the outlet side looper point surface 91 in the hole 90 of the most advanced and sophisticated line outlet of looper 66a; Drawing on the direction 92 towards the following looper thread of the following looper thread T3 of the cloth of making from the hole 90 of the most advanced and sophisticated line outlet of looper 66a; Form the guiding path of navigation 93 that cuts, still, following looper thread T3 is in the hole 90 of the most advanced and sophisticated line outlet of looper 66a more shallowly; The position of not only representing by T3; And can vary to by T3 ', T3 " expression the position, in other words, can cause " jumping phenomena " (Fig. 7).Thereby; Although it is certain that the most advanced and sophisticated P1 of last looper 50 takes up down the path of looper thread T3; But; The following looper thread of following looper thread T3 draws direction 92 or extraction location becomes unstable, and the most advanced and sophisticated P1 that exists looper can not take up down the following looper thread of looper reliably, cause taking place the shortcoming of wire jumper.
[prior art document]
No. 2865470 communique of [patent documentation 1] Japanese Patent Laid (No. 5327841 communiques of=United States Patent (USP))
No. 3355214 communique of [patent documentation 2] special permission
No. 3877829 communique of [patent documentation 3] special permission
The utility model content
In this aforesaid down looper structure, following looper thread draw direction or extraction location becomes unstable, last looper can not be taken up the following looper thread that plays looper reliably, can cause wire jumper, is faulty for the desirable beautiful needle tracking of formation.
The utility model is made in order to solve above-mentioned difficult point; Its objective is provides a kind of looper of Sewing machines device; Said looper device is used to make down the following looper thread of looper thread to draw direction and extraction location stabilisation; Last looper is taken up the looper thread of the following looper of Sewing machines reliably, avoids the generation of wire jumper, forms beautiful needle tracking.
In order to reach this purpose, the looper device of the Sewing machines of the utility model descends from top dead centre at pin, when the point below rises; Utilize down the tip of looper to take up needlework, keep colluding at needlework under the state that is hung on the looper down, along with looper down advances; Last looper rises from the point of below, takes up play the following looper thread of looper, collude hang with looper thread down on looper when retreating decline after arriving top dead centre; Descend from top dead centre, pin is taken up the last looper thread of looper, penetrates cloth; Along with following looper retreat and the needlework that colluded extension from looper down, extracted come off after, along with last looper descends and is hooked under the needlework on the looper looper and extracts and come off, whereby; Form brosser point, in the looper device of said Sewing machines
For following looper, following looper thread threading is loaded into the looper groove to the pipe of the most advanced and sophisticated line outlet of looper usefulness,
The hole of the most advanced and sophisticated line outlet of the looper of tube opening forms to the said tip-tilt ground of looper down, so that carry out the threading of looper thread easily,
Following looper thread, when forming needle tracking, the following looper thread when last looper is taken up the following looper thread of looper is down drawn on the direction from the most advanced and sophisticated line outlet of looper to the cloth extension,
Make the most advanced and sophisticated line outlet of looper and draw the most advanced and sophisticated line sub-outlet of the looper that wears on the direction and merge at following looper thread.
In addition, in the looper device of the Sewing machines of the utility model, the most advanced and sophisticated line outlet of looper is a circular port, and the most advanced and sophisticated line sub-outlet of looper is through hole or groove.
According to the looper device of the Sewing machines of the utility model, what make down looper thread draws direction and extraction location stabilisation, and last looper can be taken up the following looper thread of the following looper of Sewing machines reliably, avoids the generation of wire jumper, forms beautiful needle tracking.
Description of drawings
Fig. 1 is that the part perspective view according to the crosspointer four line overseam Sewing machiness of the looper device of the utility model has been used in expression.
Fig. 2 is that the perspective view according to the looper drive division of the looper device of the utility model has been used in expression.
Fig. 3 is the perspective view of expression according to the following looper of the looper device of the utility model, (a) state seen from the rear of Sewing machines of expression, (b) state seen from the place ahead of Sewing machines of expression.
Fig. 4 is the part detailed perspective view according to the following looper of the looper device of the utility model; (a) and (b) are represented perspective view, the cutaway view of the state that the rear of the Sewing machines from an embodiment is seen respectively, (c), (d) represent perspective view, the cutaway view of the state that the rear of the Sewing machines from another one embodiment is seen respectively.
Fig. 5 is structure, the action diagram according to the looper device of the utility model.
Fig. 6 is the perspective view of looper drive division in the looper device of expression prior art.
Fig. 7 is the action diagram of the looper device of prior art.
Description of reference numerals
7 ... Last looper
8 ... Following looper
8a ... The looper groove
11a, 11b ... Pin
T2 ... Last looper thread
T3 ... Following looper thread
P1 ... Last looper is most advanced and sophisticated
P2 ... Following looper is most advanced and sophisticated
48 ... Pipe
100 ... The most advanced and sophisticated line outlet of looper
101 ... The hole of the most advanced and sophisticated line outlet of looper
102 times looper thread is drawn direction
103 ... The most advanced and sophisticated line sub-outlet of looper
104 ... Circular port
105 ... Through hole
106 ... Groove
The specific embodiment
Below, be described in detail for the preferred form of implementation that the looper device with the utility model is applied to crosspointer four line overseam Sewing machiness with reference to accompanying drawing.
Like Fig. 1-shown in Figure 2, overseam Sewing machines 1 is made up of base plate and the framework 2 that forms arm.
Motor of sewing machine M is installed on the framework 2, and driving shaft 5 extends along framework 2 in the horizontal direction.Rotation drives driving shaft 5 by synchronous toothed belt MB by motor of sewing machine M.
Overseam Sewing machines 1 forms device 20 by constitute needle tracking with the lower part: pin 11a, 11b, on said pin 11a, the needle stand 11 that 11b is fixed in synchronously to move up and down with driving shaft 5, connect needle sticking board 3 and move up and down; Needle drive mechanism 12, said needle drive mechanism 12 drives these pins 11a, 11b; Cloth presser 19, said cloth presser 19 is pressed onto cloth on the needle sticking board 3; Following looper 8 moves back and forth with the mode with the track cross of pin 11a, 11b at needle sticking board 3 downsides with drawing out circular-arc track; Last looper 7, the said looper 7 of going up to move back and forth in the track cross of the side of needle sticking board 3 and following looper 8 and in the mode of the track cross of the upside of needle sticking board 3 and pin 11a, 11b with depicting elliptoid track; Cloth feeding mechanism 4, said cloth feeding mechanism 4 make pinprick of the each stepping of cloth.
Drive needle drive mechanism 12, cloth feeding mechanism 4 and the looper drive 10 that needle tracking forms device 20 by driving shaft 5.Because the concrete structure and the action of needle drive mechanism 12, cloth feeding mechanism 4 are known (patent documentation 1-patent documentations 3), so, its detailed description omitted.
As the last looper drive division 14 of last looper 7, adopt so-called " pivot, slide " mode.Last looper drive inclination cam 21 be fixed in by motor of sewing machine M via synchronous toothed belt MB on the driving shaft 5 that flywheel 6 rotations drive, be installed to looper and drive cam-follower on the fork 22, be that roller 23 is coupled on the looper driving inclination cam 21.Last looper drives fork 22 and is installed on the looper driving shaft 24 by pin 25 pivots.One end of last looper actuating arm 26 is fixed on the looper driving shaft 24, and last looper installation shaft 27 is installed on the other end of looper actuating arm 26 pivotally.The last looper installation shaft 27 quilts slidably earth's axis are bearing on the pivot 28 that is installed in rotation on the framework 2.Last looper 7 is fixed in the upper end of looper installation shaft 27.
In addition, be provided with pin drive rod 42, said pin drive rod 42 is used for driving eccentric cam 41 driving needle driving mechanisms 12 from the pin of being located on the driving shaft 5.
By the pin that extends from the looper hold-down arm of last looper 7, but with last looper 7 usefulness screw 27a free adjustment positions be fixed on the installing hole of last looper installation shaft 27 upper ends of looper drive division 14.
The last looper 7 that constitutes like this; Be accompanied by the rotation of driving shaft 5; Driven inclination cam 21 by last looper, go up looper and drive fork 22, roller 23, go up looper driving shaft 24, go up looper actuating arm 26, go up the last looper drive division 14 that looper installation shaft 27 constitutes and drive; Last looper installation shaft 27 through being installed on pivotally on the looper actuating arm 26 is slided in the pivoting action hole of pivot 28, and as the motion basic point, last looper 7 carries out elliptic motion with respect to pin 11a, 11b with pivot 28.
In addition, utilize static thread-carrier 9a, with respect to the looper thread introducing port 9b of the last looper 7 of the looper thread spudger 9 of this thread-carrier swing, swing, comprise looper thread T2 (Fig. 5) backguy on looper thread take-up function.
On the other hand, in driving the structure of the following looper drive division 16 of looper 8 usefulness down, following looper drives inclination cam 43 and is fixed on the driving shaft 5, is installed to play looper and drives the cam-follower pitched on 44, is that roller 45 is coupled to down on the looper driving inclination cam 43.Following looper drives fork 44 and is installed to down pivotally on the looper driving shaft 46 by pin 47.Following looper 8 is fixed on the following looper driving shaft 46.But be connected to down on the following looper driving shaft 46 of looper drive division 16 to following looper 8 free adjustment positions.
Following looper 8 has the most advanced and sophisticated P2 of looper, and (part of the pipe 48 of usefulness of Fig. 3-Fig. 5) is loaded into looper groove 8a with looper thread most advanced and sophisticated line outlet 50 from looper thread introducing port 13b threading to looper.
The following looper 8 that constitutes like this; Be accompanied by the rotation of driving shaft 5; Driven inclination cam 43 by following looper, looper drives fork 44, roller 45 down, the following looper drive division 16 that constitutes of looper driving shaft 46 drives down, following looper 8 synchronously carries out oscillating motion with respect to pin 11a, 11b and last looper 7.
In addition, utilize static thread-carrier 13a, with respect to the looper thread introducing port 13b of the following looper 8 of the looper thread spudger 9 of this thread-carrier swing, swing, the following looper thread take-up function that comprises backguy of following looper thread T3 (Fig. 5).
For the pipe of last looper 7 37 and down the pipe 48 of looper 8 to carry out concrete structure and action that the looper thread threading uses respectively be known (patent documentation 1, patent documentation 2), so omit its detailed description.
Below, with reference to Fig. 3-Fig. 5, itself describe for looper device according to the Sewing machines of the utility model, as stated,, the pipe 48 that line exports 100 usefulness to the looper tip of looper thread T3 threading down is loaded into looper groove 8a for looper 8 down.Thereby, to compare with the following looper that pipe 48 that the looper thread threading of following looper thread T3 is used is not loaded into, following looper 8 forms thicklyer.
In addition, consider down the diameter of the pipe 48 that the looper thread threading of looper thread T3 is used, compare, wear the hole 101 of the most advanced and sophisticated line outlet 100 of looper with bigger diameter with the following looper that pipe 48 that the looper thread threading is used is not loaded into.
The hole 101 of managing the most advanced and sophisticated line outlet 100 of looper of 48 openings is formed obliquely with the most advanced and sophisticated P2 of the downward looper of mode of the threading that easily carries out looper thread.The reason that the most advanced and sophisticated P2 of the hole 101 downward loopers of the most advanced and sophisticated line outlet 100 of looper is formed obliquely be for: when the looper thread threading, the following looper thread T3 that in pipe 48, is carried by air is not come from the most advanced and sophisticated line of looper and is blown with exporting any resistance of 100.
In the Sewing machines looper device of the utility model, following looper thread T3, when forming needle tracking, the following looper thread when last looper 7 is taken up the following looper thread T3 of looper 8 is down drawn on the direction 102 and to be exported 100 from the most advanced and sophisticated line of looper and extend to cloth.Following looper thread T3, when forming needle tracking, the following looper thread when last looper 7 is taken up the following looper thread T3 of looper 8 down draw direction 102, mean that looper thread T3 is directly connected to the direction on the cloth with the tension force of stipulating down.When forming needle tracking, usually, in order directly or via the continuous needle tracking of last looper 7 formation to make, following looper thread T3 is connected on the cloth with the tension force of regulation.
In the Sewing machines looper device of the utility model, the most advanced and sophisticated line outlet 100 of looper with draw the most advanced and sophisticated line sub-outlet 103 of the looper that wears on the direction 102 at looper thread down and merge.Here, the so-called merging means that most advanced and sophisticated line outlet 100 of looper and the most advanced and sophisticated line sub-outlet 103 of looper are merged into an outlet.
And; In the Sewing machines looper device of the utility model; The most advanced and sophisticated line outlet 100 of looper forms circular port 104, and the most advanced and sophisticated line sub-outlet 100 of looper forms through hole 105 in an embodiment (Fig. 4 (a)-(b)), forms groove 106 in a further embodiment in (Fig. 4 (c)-(d)).
In addition; On following looper 8, be formed with and cutting into banded otch path 107, so as to go up the most advanced and sophisticated P1 of looper 7 can not rub play looper 8 ground relatively subtend through drawing the position of leaving slightly on the direction 102 at following looper thread from the hole 101 of the most advanced and sophisticated line outlet 100 of looper.
Looper device according to the Sewing machines of the utility model of such formation has following basic function: descend from top dead centre at pin 11a, 11b, when the point of below rose, utilizing down, the most advanced and sophisticated P2 of looper 8 took up needlework; Be hooked under the state on the following looper 8 at needlework, along with looper 8 down advances, last looper 7 is from the some rising of below; Utilize most advanced and sophisticated P1 to take up down the following looper thread T3 of looper 8; Collude hung time looper thread T3 on looper 7 arrive top dead centres after, retreat when descending, pin 11a, the 11b that descends from top dead centre takes up the last looper thread T2 of looper 7, penetrates cloth; Retreat along with following looper 8 needlework that collude extension extracted from looper 8 down come off after; Be hooked on following looper thread T3 on the looper 7 and extract and come off along with last looper 7 descends, whereby, the formation brosser point.
In addition, the formation method of this brosser point itself is known (patent documentation 3, Figure 19-Figure 22).
In this case; Looper 7 utilizes its most advanced and sophisticated P1 to take up in the step of the following following looper thread T3 of looper 8 on above-mentioned; Since down looper 8 advance move and down looper thread T3 directly be connected on the cloth with the tension force of regulation; Following looper thread T3 forcibly is directed to the most advanced and sophisticated line sub-outlet 103 of looper by the hole 101 from the most advanced and sophisticated line outlet 100 of looper, draws on the direction 102 at following looper thread and extends, and is connected on the cloth.
Thereby the following looper thread of following looper thread T3 is drawn direction 102 and extraction location stabilisation, and the most advanced and sophisticated P1 of last looper 7 can take up down the following looper thread T3 of looper 8 reliably, can avoid the generation of wire jumper fully.Therefore; Can eliminate in prior art; Following looper thread causes the jumping phenomena of line in the hole of the most advanced and sophisticated line outlet of looper; The following looper thread of following looper thread draws direction and extraction location becomes unstable, and the tip of last looper can not be taken up down the following looper thread of looper reliably, causes taking place the shortcoming of wire jumper.
According to the looper device of such formation, following looper thread draw direction and extraction location stabilisation, last looper can be taken up the following looper thread of the following looper of Sewing machines reliably, avoids the generation of wire jumper, forms beautiful needle tracking.
In the superincumbent explanation, the situation that is applied to crosspointer four line overseam Sewing machiness for the looper device is described, and still, this looper device also can be applied to single needle three yarn closed seam Sewing machines etc.
Utilize possibility in the industry
The looper device of the Sewing machines of the utility model; Following looper thread draw direction and extraction location stabilisation; Last looper can be taken up the following looper thread of the following looper of Sewing machines reliably, avoids the generation of wire jumper, forms beautiful needle tracking; Therefore, can be fit to be applied to needs utilizes gas-pressurized automatically to carry out the overseam Sewing machines of the looper of threading.
Claims (2)
1. the looper device of a Sewing machines descends from top dead centre at pin, when the point below rises, and utilizes down the tip of looper to take up needlework; Keep colluding under the state that is hung on the said looper down at needlework, along with said looper down advances, last looper is from the some rising of below; Take up the following looper thread of said down looper, hung after looper arrives top dead centre on said looper thread down said, retreat when descending colluding, take up the said last looper thread of going up looper from the said pin that top dead centre descends; Penetrate cloth, along with said down looper is retreated, after the needlework that collude extension are extracted from said looper down and come off; Along with the said looper of going up descends, be hooked on the said said looper thread of going up on the looper down and be pulled out and come off, whereby; Form brosser point, it is characterized in that
For said looper down, said looper thread threading down is loaded into the looper groove to the pipe of the most advanced and sophisticated line outlet of looper usefulness,
The hole of the most advanced and sophisticated line outlet of the said looper of said tube opening forms to the said tip-tilt ground of looper down, so that carry out said looper thread threading easily,
Said down looper thread, when forming needle tracking, the following looper thread when looper is taken up the said looper thread down of said looper down on said is drawn on the direction and is extended to said cloth from the most advanced and sophisticated line outlet of said looper,
Make the most advanced and sophisticated line outlet of said looper and draw the most advanced and sophisticated line sub-outlet of the looper that wears on the direction and merge at said looper thread down.
2. the looper device of Sewing machines as claimed in claim 1 is characterized in that, the most advanced and sophisticated line outlet of said looper is a circular port, and the most advanced and sophisticated line sub-outlet of said looper is through hole or groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011002376U JP3169016U (en) | 2011-04-27 | 2011-04-27 | Sewing machine looper equipment |
| JP2011-002376 | 2011-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202347259U true CN202347259U (en) | 2012-07-25 |
Family
ID=46460917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202919493U Expired - Lifetime CN202347259U (en) | 2011-04-27 | 2011-08-12 | Looper device of sewing machine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3169016U (en) |
| KR (1) | KR200477227Y1 (en) |
| CN (1) | CN202347259U (en) |
| TW (1) | TWM423704U (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3355214B2 (en) * | 1993-03-26 | 2002-12-09 | 株式会社鈴木製作所 | Sewing machine threading device |
| JP2003320192A (en) * | 2002-05-01 | 2003-11-11 | Pegasus Sewing Mach Mfg Co Ltd | Louver mechanism of sewing machine |
| JP2004121311A (en) * | 2002-09-30 | 2004-04-22 | Juki Corp | Looper thread threading device |
| JP4309441B2 (en) * | 2007-07-17 | 2009-08-05 | 株式会社鈴木製作所 | Sewing machine for sewing machine |
-
2011
- 2011-04-27 JP JP2011002376U patent/JP3169016U/en not_active Expired - Lifetime
- 2011-07-25 TW TW100213671U patent/TWM423704U/en not_active IP Right Cessation
- 2011-08-12 CN CN2011202919493U patent/CN202347259U/en not_active Expired - Lifetime
- 2011-08-23 KR KR2020110007616U patent/KR200477227Y1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| JP3169016U (en) | 2011-07-07 |
| TWM423704U (en) | 2012-03-01 |
| KR20120007636U (en) | 2012-11-06 |
| KR200477227Y1 (en) | 2015-05-19 |
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