CN1534125A - Sewing machine - Google Patents
Sewing machine Download PDFInfo
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- CN1534125A CN1534125A CNA2004100302737A CN200410030273A CN1534125A CN 1534125 A CN1534125 A CN 1534125A CN A2004100302737 A CNA2004100302737 A CN A2004100302737A CN 200410030273 A CN200410030273 A CN 200410030273A CN 1534125 A CN1534125 A CN 1534125A
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- 238000009958 sewing Methods 0.000 title claims abstract description 175
- 230000005540 biological transmission Effects 0.000 claims abstract description 129
- 238000005034 decoration Methods 0.000 claims description 152
- 230000033001 locomotion Effects 0.000 claims description 23
- 230000001131 transforming effect Effects 0.000 claims description 17
- 230000004323 axial length Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 17
- 230000009471 action Effects 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
- D05B69/32—Vibration-minimising devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
A transmission shaft is installed on the upper part inside of the body of the sewing machine in a way essentially parallel to the main shaft of the sewing machine installed on the lower part inside of the body of the sewing machine. A needle rod drive shaft is installed on the front end of a sewing machine arm in a way roughly parallel to the main shaft and the transmission shaft of the sewing machine. A transmission belt is separately installed between the main shaft and the transmission shaft of the sewing machine, and between the transmission shaft and the needle rod drive shaft. Through the rotation of the belt, the rotation of the main shaft of the sewing machine is transmitted to the transmission shaft and the needle rod drive shaft, and then to a rotation location near the drive shaft of the needle rod. The up-and-down reciprocation structure of the needle rod can prevent the generation of noise and the vibration of the main shaft of the sewing machine caused by the needle rod that is upwardly protruded on the front end of the sewing machine arm about orthogonal to the main shaft of the sewing machine.
Description
Technical field
The present invention designs a kind of Sewing machines, its rotation with the machine spindle (main shaft) that will be set up in sewing machine body inside be delivered to the slightly orthogonal thereto direction of this machine spindle on from sewing machine body the leading section of the prominent sewing machine arm of establishing by the needle bar of drop support (needlebar) on, thereby make the up and down structure of this needle bar.
Background technology
Barrel such as the sleeve portion of various dress materials, trunk are that the cloth that will be become reservation shape by severing is rolled into tubular, and the edge of overlapping proper width and sewing up mutually forms.In order to implement such stitching, the cloth that is rolled into tubular is passed the front end of the barrel susceptor (cylinder bed) in thin footpath, and apply from the front end of this barrel susceptor to the axial feeding (axial feed) of bottom and the Sewing machines of making the straight cylinder-shaped sewing machine of promptly known what is called.
This Sewing machines has feed arrangement and the sinker burr (looper) in the needle plate that is set up in the barrel susceptor leading section (stitch plate) below, the needle bar (needle bar) and the depression bar (presserbar) that have on the leading section of the sewing machine arm on barrel susceptor top again to hang down and support, and the pin (needle) and the presser feet (presser foot) that are installed on its lower end respectively.Above-mentioned needle bar is transmitted in the sewing machine body main shaft via the transmission mechanism of being located at sewing machine arm inside (needle drivingmechanism), action by this transmission mechanism, with the pin that is installed on the lower end, with above-mentioned conveyer and sinker burr synchronously and knee-action.
As the cloth of making object, be held on the needle plate and presser feet between, be applied in the feeding of above-mentioned direction by the action of feed arrangement, the action by the above-mentioned pin that produces synchronously with this feeding and sinker burr and being made.And, be pressed into the tubular that obtains under the state of barrel susceptor bottom making and make thing by this, presser feet is risen, be pulled to the front of barrel susceptor and reclaim.
As above straight-cylindrical Sewing machines, change is from the sewing machine arm of the interior sewing machine body that keeps machine spindle and the prominent mode of establishing of barrel susceptor, and by various practical applications, at No. 439802, TaiWan, China patent gazette (document one), disclose a kind of Sewing machines in the TaiWan, China patent gazettes No. 503948 (documents two) etc., sewing machine arm and barrel susceptor slightly are abreast with the position that is separated by up and down mutually in sewing machine body one side to be established by prominent.
So, possess in the straight cylinder-shaped sewing machine of such sewing machine arm and barrel susceptor, be located at the needle bar of sewing machine arm leading section, and feed arrangement and the sinker burr of being located at the barrel susceptor leading section, move respectively by the next transmission of the machine spindle that is built in sewing machine body.
In this, as reaching the purpose of simplification to the power train structure of above-mentioned feed arrangement and sinker burr, machine spindle is set up in the inner direction that axially slightly is orthogonal with barrel susceptor and sewing machine arm of sewing machine body.Setting up of such machine spindle, hope should guarantee that the binding of carrying out the motor of sewing machine of the barrel susceptor in enough spaces of making operator of operation and orthogonal direction configuration over against the barrel susceptor front end becomes easy.But, the occasion of setting up machine spindle like this, as the transmission mechanism to the inner set needle bar transmission of the sewing machine arm that extends with its slightly orthogonal thereto direction, existence can not be used the problem with general Sewing machines same configuration.
According to this situation employed transmission mechanism in document 1, inside at sewing machine arm, its roughly swing arm of total length size will be striden across, by midway fulcrum up and down direction swingingly support, the front end of this swing arm is linked to needle bar, the bottom is attached at via crank arm is located on the machine spindle crank midway again, the rotation of machine spindle is converted to the swing of above-mentioned swing arm, the knee-action of this swing arm front end is passed to needle bar, makes this needle bar knee-action.
Again in document 2, inside at sewing machine arm, set up and stride across its roughly power transmission shaft of back and forth rotating around axle of total length, with the front end of this power transmission shaft via arm and connecting rod and be attached on the needle bar, the bottom is linked to via crank arm is located on the machine spindle crank midway, the rotation of machine spindle converts the reciprocal rotation of power transmission shaft to, and this is back and forth rotated the knee-action that converts needle bar to by the above-mentioned arm of being located at the power transmission shaft front end and connecting rod.
But, in the Sewing machines that document 1 is disclosed, owing to the large-scale swing arm of the inside swing that is present in sewing machine arm and in the large-scale crank arm of the inner knee-action of sewing machine body, so effect by the reaction force of following this action, have big vibration in the Sewing machines running, and the unsuitable situations such as sound of following this vibration to produce, also identical in the Sewing machines that document 2 is disclosed in addition, have inappropriate situations such as the vibration that knee-action produced of following large-scale crank arm and noise, have any problem to the development of sewing speed high speed.
And for example in the Yi Shang straight cylinder-shaped sewing machine, identical with many industrial sewing machines, on the leading section of sewing machine arm, go into device though have the group that goes up decorations devices (spreader thread handlingapparatus) etc., but in document 1,2 Sewing machiness that disclosed, also the transmission mechanism with this needle bar is identical to organize transmission mechanism into the device transmission to this, become the structure of the necessary complexity of large-scale component, have the sewing machine arm internal structure complicated problems that this transmission mechanism sets with the transmission mechanism of needle bar.
Summary of the invention
In view of this, the present invention's purpose is to provide a kind of Sewing machines, be straight-cylindrical Sewing machines etc., possess with machine spindle slightly orthogonal thereto direction dash forward in the Sewing machines of the sewing machine arm established, can prevent to vibrate and the generation ground of noise carries out from the transmission of machine spindle to the sewing machine arm leading section, and comprise to the simplified construction of going into the transmission mechanism of device transmission in the set group of sewing machine arm leading section.
The Sewing machines of technical solution of the present invention 1, has the sewing machine body that machine spindle is built in the bottom, on this sewing machine body top to the prominent sewing machine arm of establishing of the direction of above-mentioned machine spindle approximate vertical, by the needle bar of drop support in this sewing machine arm front end; Be installed in the hang down pin of end of this needle bar and be used in the structure of knee-action, it is characterized in that comprising making: the power transmission shaft that sets up at the inside upper part of above-mentioned sewing machine body and above-mentioned machine spindle almost parallel from the transmission of above-mentioned machine spindle; Be set up between this power transmission shaft and the above-mentioned machine spindle, make the rotation of this machine spindle be passed to the driving belt of above-mentioned power transmission shaft; And be formed at the inside of above-mentioned sewing machine arm, the rotation of above-mentioned power transmission shaft be passed to the transmission device of above-mentioned needle bar.
In the present invention, establishing corresponding to sewing machine arm prominent on the height and position of portion, set up power transmission shaft with the machine spindle almost parallel, between this power transmission shaft and above-mentioned machine spindle, set up driving belt, the rotation of machine spindle is passed to power transmission shaft by belt transmission, the rotation of this power transmission shaft is passed to the needle bar of sewing machine arm front end, makes this needle bar knee-action.
The Sewing machines of technical solution of the present invention 2, the transmission device in the 1st technical scheme comprises: inboard and above-mentioned machine spindle and power transmission shaft almost parallel in above-mentioned sewing machine arm elder generation end and the needle bar driving shaft that sets up; Be set up between above-mentioned needle bar driving shaft and the above-mentioned power transmission shaft, the rotation of this power transmission shaft be passed to the driving belt of above-mentioned needle bar driving shaft; And the movement transforming device that the rotation of above-mentioned needle bar driving shaft is converted to the knee-action of above-mentioned needle bar.
In the present invention, set up needle bar driving shaft with the power transmission shaft almost parallel in sewing machine arm elder generation end, between this needle bar driving shaft and power transmission shaft, also set up driving belt, the rotation of power transmission shaft is passed to the needle bar driving shaft by belt transmission, the rotation of this needle bar driving shaft is taken exercises conversion and is passed to needle bar on the approximated position, make this needle bar knee-action.
In the Sewing machines of technical solution of the present invention 3, the movement transforming device in the 2nd technical scheme comprises: be linked to the crank arm on the above-mentioned needle bar driving shaft crank midway; And the pin shaker arm, respectively the one end being attached on this crank arm, the other end is attached to above-mentioned needle bar midway, and around swinging with the axle of above-mentioned needle bar driving shaft almost parallel.
In the present invention, link by crank arm and pin shaker arm, the rotation of needle bar driving shaft is passed to the pin shaker arm via crank arm, utilize the swing of this pin shaker arm and make needle bar moving up and down being located at needle bar driving shaft crank and needle bar midway.Widely used member in crank arm and the transmission device of pin shaker arm by general Sewing machines needle bar, the simplification of reaching the movement transforming device structure by the member generalization.
The Sewing machines of technical solution of the present invention 4 is that it more comprises in the Sewing machines of the 2nd and the 3rd invention: be supported on up and down in the inside of above-mentioned sewing machine arm separation 2 places on decorations axles; Be installed in hang down in above-mentioned sewing machine arm outside above-mentioned go up a decorations axle lower end, by the reciprocal rotation of decorations this on spool with the axle center roughly swing in the face of quadrature on adorn sinker burr; And with the rotation of above-mentioned needle bar driving shaft be passed to above-mentioned go up the decorations axle up and down between the support portion, make above-mentioned go up that the decorations axle back and forth rotates go up the decorations transmission device.
In the present invention, be set up in the leading section of sewing machine arm,, utilize the needle bar driving shaft of rotation by belt transmission from machine spindle, the rotation of this needle bar driving shaft taken exercises conversion and be passed to the approximated position go up the decorations axle, make this on decorations spool do reciprocal rotation.The movement transforming device that particularly rotation of needle bar driving shaft is converted to the knee-action of needle bar possesses in the occasion of above-mentioned crank arm and pin shaker arm, go up the decorations axle with being disposed near the needle bar, in two position suitable ground two end supports separating up and down, the rotation of needle bar driving shaft is passed between these support portions, can stably implements the reciprocal rotation of decorations axle.
The Sewing machines of technical solution of the present invention 5 comprises for going up the decorations transmission device in the technical scheme 4: the swing arm of radially establishing to evagination between the support portion up and down of decorations axle on above-mentioned; And the front end of this swing arm is attached to goes up the decorations crank arm on the above-mentioned needle bar driving shaft crank midway.The Sewing machines of technical solution of the present invention 6 again is for decorations crank arm in the technical scheme 5 is attached on the front end and above-mentioned crank of above-mentioned swing arm via spherojoint.
In the present invention, on above-mentioned the front end of the swing arm of radially establishing to evagination between the support portion up and down of decorations axle be located at needle bar driving shaft crank midway, link by last decorations crank arm, the rotation of needle bar driving shaft is passed to the decorations shaft drive and can forms simply.Only and, on adorn on the linking part of the front end of the two ends of crank arm and swing arm and crank and use spherojoint, thereby absorb the difference of both movement locus and it moved sleekly.
The Sewing machines of technical solution of the present invention 7 is that the decorations transmission device of going up in the technical scheme 4 comprises: be supported on swingably and go up the decorations lever in the rotating shaft with above-mentioned needle bar driving shaft almost parallel; The swing arm of radially establishing between the support portion up and down of decorations axle on above-mentioned to evagination; An above-mentioned end of going up the decorations lever is attached to going up on the above-mentioned needle bar driving shaft crank midway adorns crank arm; And the connecting rod that links the front end of the above-mentioned other end of going up the decorations lever and above-mentioned swing arm.The Sewing machines of the present invention's technical scheme 8 is the connecting rod of technical scheme 7 again, be to the axial length direction be linked to slidably the front end of above-mentioned swing arm with above-mentioned on the parallel and prominent connecting pin of establishing of decorations axle, and be attached to the above-mentioned other end of going up the decorations lever via spherojoint.
In the present invention, the front end of the prominent swing arm of establishing radially outward in a upper edge of last decorations axle, and the other end that an end is linked to the upward decorations crank arm on the crank midway of being located at the needle bar driving shaft, via last decorations lever and connecting rod and link, last decorations lever and linkage are supported in the rotating shaft with needle bar driving shaft almost parallel swingably, positively are passed to and adorn shaft drive thereby constitute rotation with the needle bar driving shaft simply.And then an end of connecting rod, the swing arm front end be linked to slidably with on the parallel and prominent connecting pin of establishing of decorations axles, the other end of connecting rod is linked to the end of adoring lever via spherojoint, thus absorb both movement locus it is moved sleekly.
These the object of the invention and novel characteristics cooperate the following detailed description of reading with reference to accompanying drawing, can fully understand.
Description of drawings
Fig. 1 is the unitary construction of the transmission mechanism of needle bar in the Sewing machines of the present invention and the common stereogram of representing of external form of Sewing machines.
Fig. 2 is the side view of the structure of needle bar transmission mechanism.
The vertical view that Fig. 3 sees from the top for the structure of needle bar transmission mechanism.
Fig. 4 is Zoom Side, the main position cutaway view of the structure of expression movement transforming device.
Fig. 5 is a side view of going up the decorations transmission device of keeping supplying the transmission of decorations device.
Fig. 6 is that the going up of transmission of keeping supplying the decorations device adornd the vertical view that transmission device is seen from the top.
Fig. 7 is the stereoscopic figure that goes up the main position of adoring transmission device that keeps supplying the transmission of decorations device.
Fig. 8 goes up the stereoscopic figure of other embodiment of decorations transmission device for expression.
Fig. 9 goes up the exploded perspective view of other embodiment of decorations transmission device for expression.
Symbol description
1～sewing machine body; 2～barrel susceptor; 3～sewing machine arm; 4～needle bar; 5～machine spindle; 6～power transmission shaft; 7～needle bar driving shaft; 8～movement transforming device; 9～go up and adorn axle; 9a～on adorn transmission device; 10～belt chamber; 20～needle plate; 40～needle bar is embraced; 50～drive pulley; 51～driving belt; 52～driven pulley; 60～the first driving belts; 61～the first driven pulleies; 62～the second driven pulleies; 63～manually rotate the pulley of usefulness; 70～the second driving belts; 71～driven pulley; 73～on adorn crank; 75～crank-pin; 76～adjusting bolt; 77～set bolt; 80～crank arm; 81～pin shaker arm; 82～fulcrum; 84～connecting rod; 90～on adorn sinker burr; 90a～on adorn lever; 91,92～bearing insert; 91a～swing arm; 92a～on adorn crank arm; 93～kinking Luntai; 93a～connecting rod; 94a～fulcrum; 95a～slotted hole; 96a～connecting pin; 97a～connecting pin.
The specific embodiment
Below to the present invention according to the expression embodiment accompanying drawing be described in detail.Fig. 1 is the unitary construction of the transmission mechanism of needle bar in the Sewing machines of the present invention and the common stereogram of representing of external form of Sewing machines.Illustrated Sewing machines is based in a side lower part of sewing machine body 1 with barrel susceptor 2, at same upper lateral part, establishes sewing machine arm 3 with barrel susceptor 2 is prominent slightly abreast, constitutes straight-cylindrical Sewing machines with this.
This Sewing machines below the needle plate 20 of the leading section that is set up in barrel susceptor 2, has not shown feed arrangement and sinker burr, in addition, has the needle bar 4 that is supported in sewing machine arm 3 leading sections by hanging down, and in the lower end of this needle bar 4, not shown pin is installed.In addition, on the leading section of sewing machine arm 3, not shown depression bar is also hung down and is being supported, and in the lower end of this depression bar not shown presser feet is installed.With making of being done of the straight cylinder-shaped sewing machine that is constituted like this is that the leading section from barrel susceptor 2 is supplied to cloth on the above-mentioned needle plate 20, be held on this needle plate 20 and above-mentioned presser feet between, implement axial feed (axial feed) by the action of above-mentioned feed arrangement, and produce and the above-mentioned pin that this feeding is synchronous and the action of sinker burr to the bottom of cylindrical base 2.
In the lower inside of sewing machine body 1, with the prominent set direction of barrel susceptor 2 and sewing machine arm 3 axially slightly orthogonal thereto and set up machine spindle 5.Again,, establish on the corresponding height and position of portion, slightly be with machine spindle 5 and set up power transmission shaft 6 abreast with the prominent of sewing machine arm 3 in the inside upper part of sewing machine body 1.And then, leading section inboard at sewing machine arm 3, near the needle bar 4, slightly be parallel and set up needle bar driving shaft 7 with machine spindle 5 and power transmission shaft 6, the rotation of machine spindle 5 is passed to needle bar 4 via power transmission shaft 6 and needle bar driving shaft 7, and making the transmission mechanism of using with the pin knee-action that is installed on these needle bar 4 lower ends is following structure.
Fig. 2 is the side view of the structure of needle bar transmission mechanism.The vertical view of Fig. 3 for transmission mechanism shown in Figure 2 is seen from the top.The one end system of machine spindle 5 protrudes in a side outside of sewing machine body 1, by being wound in drive pulley 50, the chimeric driving belt 51 that is fixed on this protuberance, on the lower position of sewing machine body 1, be linked to slightly parallel and the output of not shown motor of sewing machine configuration with machine spindle 5.The rotation of the above-mentioned motor of sewing machine that transmitted via driving belt 51 and drive pulley 50 of machine spindle 5 is driven in rotation around axle by this.
The other end of machine spindle 5 protrudes in the opposite side outside of sewing machine body 1, on this protuberance, and the chimeric driven pulley 52 of fixing.The power transmission shaft 6 that is set up in machine spindle 5 tops also protrudes in the homonymy of sewing machine body 1, and on this protuberance, the chimeric pulley 52 that is fixed with machine spindle 5 is integrated in the first axial driven pulley 61.Again, on the protuberance of power transmission shaft 6, inboard chimeric second driven pulley 62 of fixing of above-mentioned first driven pulley 61, between the driven pulley 52 of first driven pulley 61 and machine spindle 5, draw frame is provided with first driving belt 60.And, on the jag of power transmission shaft 6, as shown in Figure 3, the chimeric pulley 63 that is fixed with manual rotation usefulness, but in side view shown in Figure 2,, omit the diagram that pulley 63 is used in manually rotation in order to represent first driven pulley 61.
Again, the needle bar driving shaft 7 that is set up in sewing machine arm 3 leading sections also protrudes in the outside of sewing machine arm 3 at homonymy with power transmission shaft 6, on this protuberance, second driven pulley 62 that driven pulley 71 is chimeric to be fixed in power transmission shaft 6 is integrated on the axial position, between this driven pulley 71 and above-mentioned second driven pulley 62, draw frame is provided with second driving belt 70.
And, make needle bar driving shaft 7 from the fitting portion of driven pulley 71 and then extend, the manually pulley 63 of rotation usefulness also can be installed, similarly on this extended end, machine spindle 5 also can be installed the manually pulley 63 of rotation usefulness from the fitting portion and then the prolongation of driven pulley 52 on this extended end.
In Fig. 2, represent that second driving belt 60,70 stretches to set up the side view of side.In as shown in the figure the sewing machine body 1 and the side of sewing machine arm 3, extend up and down along sewing machine body 1, crooked and integrally formed in the upper end to the belt chamber 10 that the front end of sewing machine arm 3 extends, first, second driven pulley 61,62 of the driven pulley 52 of machine spindle 5, power transmission shaft 6 and the driven pulley 71 of needle bar driving shaft 7 are with the inside that therebetween is housed inside belt chamber 10 around first, second driving belt 60,70 that sets up.
By above structure, the rotation of machine spindle 5 is passed to power transmission shaft 6 via first driving belt 60, and then is passed to needle bar driving shaft 7 via second driving belt 70, and power transmission shaft 6 and needle bar driving shaft 7 are done full rotation around axle respectively.This rotation is transmitted owing to be by driving belt 60,70 belt transmission of being done, and vibration and the noise of following this transmission to produce can remain on inferior grade, may be implemented in the transmission under high-speed.And, first, second driving belt 60,70 is provided with a plurality of teeth side by side at inner face, make these teeth and the tooth engagement of being located at driven pulley 52, first, second driven pulley 61,62 and driven pulley 71 peripheries, and become the Timing Belt ( ィ ミ Application グ ベ Le ト) that can carry out fricton-tight transmission.
In this, because first, second driving belt 60,70 and driven pulley 52, first, second driven pulley 61,62 and driven pulley 71 are configured in the belt chamber 10 of the side that is opened in sewing machine body 1 and sewing machine arm 3 together, the adjustment of each between centers position of rotation, the replacing operation of driven pulley 60,70 when installing can easily be implemented from the outside of sewing machine body 1 and sewing machine arm 3 through the opening of belt chamber 10.The adjustment of position of rotation is by removing driven pulley 52, fixing of in first, second driven pulley 61,62 and the driven pulley 71 any, fix again after doing location change on the outer rim of machine spindle 5, power transmission shaft 6 or needle bar driving shaft 7, and be implemented easily.
Again, the rotation transmission that utilizes driving belt 60,70 is generally speaking because need not lubricating oil, and the belt chamber 10 that holds driving belt 60,70 can be from the inboard of sewing machine body 1 and sewing machine arm 3 independently space.By this, between driven pulley 52,61 and driving belt 60, and between driven pulley 62,71 and driving belt 70, follow the abrasion powder of above-mentioned rotation transmission can invade the inboard of sewing machine body 1 and sewing machine arm 3, be formed on the inboard movable part inappropriate situation such as can prevent to cause early stage abrasion effectively, burning.And, the opening of belt chamber 10 when Sewing machines uses by not shown cover plate closing.
The needle bar driving shaft 7 of full rotation is the inboard that extends in sewing machine arm 3 by above transmission, is linked to needle bar 4 by the movement transforming device 8 that possesses crank arm 80 and pin shaker arm 81.Fig. 4 is the major part Zoom Side cutaway view of the structure of expression movement transforming device 8.
At as shown in the figure needle bar driving shaft 7 midway, crank 72 has predetermined offset and by integrally formed, on this crank 72, links the bottom that crank arm 80 is arranged.Pin shaker arm 81 is by being propped up in middle part by pivot with the slightly parallel fulcrum of needle bar driving shaft 7 82, and can be around the axle swing of this fulcrum 82.An end of pin shaker arm 81 that extends the side of needle bar driving shaft 7 is the leading sections that are linked to crank arm 80 via spherojoint (ball joint), and the other end that extends the pin shaker arm 81 of needle bar 4 sides is that the connecting rod 84 by short size is linked to and clasps needle bar 4 needle bar midway and embrace (needle bar connecting bracket) 40.
By above structure, the rotation of needle bar driving shaft 7 is to be passed to pin shaker arm 81 by the crank arm 80 that is linked to crank 72, this pin shaker arm 81 is as pivot with fulcrum 82, swung in one week with 7 rotations of needle bar driving shaft as one-period, follow the knee-action of the other end of the pin shaker arm 81 of this swing to embrace 40 via connecting rod 84 and needle bar and be passed to needle bar 4, the not shown pin that makes this needle bar 4 and be installed on the lower end is done knee-action.In Fig. 4, represent with solid line with the pin shaker arm 81 of binding side on lower position of needle bar 4, the pin shaker arm 81 that is positioned at the uppermost position place equally represents that with double dot dash line the knee-action of needle bar 4 is corresponding to the swing of the pin shaker arm 81 that is produced between these positions.
Make like this movement transforming device 8 that this needle bar 4 does knee-action and the needle bar driving shaft 7 of configuration near this needle bar 4 between possess the crank arm 80 and the pin shaker arm 81 of short size, follow the reaction force of action of this crank arm 80 and pin shaker arm 81 less.Therefore, can be with the vibration that produces by this reaction force and noise suppression to inferior grade, increase running speed and can not follow the generation of big vibration and noise, can be corresponding to the high speed of sewing speed.
Use as the Sewing machines of the present invention of above structure and the known Sewing machines that document one is disclosed, the test of the vibration when comparing both and turning round and the generation degree of noise, the result is in known Sewing machines, the grade of vibration in the running and noise is suppressed under the condition of practical no problem grade, the upper limit rotary speed of machine spindle 5 is about 3500rpm, in Sewing machines of the present invention, the upper limit speed under identical conditions can reach more than the 5000rpm.
Constitute the crank arm 80 and the member of pin shaker arm 81 of movement transforming device 8, Sewing machines and parts that can general other machine for being widely used in the needle bar transmission device of general Sewing machines.
Again, in Sewing machines of the present invention, on the leading section of sewing machine arm 3, be used to exist from the aforementioned of machine spindle 5 the needle bar driving shaft 7 that rotates fully, the transmission device that utilizes this needle bar driving shaft 7 above-mentionedly to go up to adorn the group of device etc. to go into device is formed near the front end of sewing machine arm 3 simply.
Fig. 5 represents to be used for to adorn the side view of the structure of going up the decorations transmission device of the transmission of device.The 6th figure is the same vertical view of seeing from the top.Fig. 7 is the stereoscopic figure at the same main position.
Last decorations device has at the internal axis of sewing machine arm 3 towards decorations axle 9 up and down and on supported, and the going up of lower end that is installed on decorations axle 9 this on adornd sinker burr 90.Last decorations axle 9, is positioned between needle bar driving shaft 7 and the needle bar 4 with rotatably supported around axle by the bearing insert on the last lower wall that is individually fixed in sewing machine arm 3 91,92.And in Fig. 5, needle bar 4 is illustrated by double dot dash line.
Last decorations sinker burr 90 is installed in the lower end of the decorations axle 9 sagging from the below of sewing machine arm 3 via kinking Luntai 93, the front end of going up decorations sinker burr 90 that is bent to hook-type with in the slightly orthogonal thereto face of decorations spools 9, extend to the place ahead of needle bar 4.The decorations sinker burr of so installing 90 of going up is the reciprocal rotations of adoring axle 9 corresponding to last, with in the slightly orthogonal thereto installed surface of decorations axle 9 with 93 swings of kinking Luntai, the not shown last ornamental thread (spreader thread) of weaving by this swing, and be supplied in the known action of the sewing position of determining by the pin that is installed on needle bar 4 lower ends.
Last decorations transmission device 9a is passed to decorations axle 9 with the rotation of needle bar driving shaft 7, make this on decorations axle 9 back and forth rotate, and have upward to adorn lever 90a, on adorn crank arm 92a and connecting rod 93a.Last decorations lever 90a has bend halfway and has illustrated curved shape.This bend is supported by slightly be the parallel and prominent fulcrum 94a that establishes with needle bar driving shaft 7 on the sidewall of sewing machine arm 3, can be installed on as pivot between needle bar driving shaft 7 and the last decorations axle 9 with fulcrum 94a with freely swinging.
Last decorations crank arm 92a bottom is linked to that middle part at needle bar driving shaft 7 has predetermined offset and on integrally formed on the decorations crank 73.The front end of going up decorations crank arm 92a that extends obliquely towards the side of last decorations axle 9 is linked to an end of going up decorations lever 90a that extends obliquely towards the side of needle bar driving shaft 7.This links shown in the 5th figure, can be along the slotted hole 95a adjusting position of being located on the decorations lever 90a.
By above structure, the rotation of needle bar driving shaft 7 is passed to decorations lever 90a via being linked to the going up decorations crank arm 92a of decorations crank 73, and decorations lever 90a is a pivot with fulcrum 94a on this, rotates with needle bar driving shaft 7 and swings as one-period in a week.The pendulum angle of last decorations lever 90a can be by changing along the adjusting of the coupling position of slotted hole 95a as previously mentioned.And, be separately set in a side that feeds to the crank 72 that needle bar 4 transmissions use though be shown in the decorations crank 73 of going up of Fig. 6, go up decorations crank 73 and constitute with crank 72 also one.
Swing arm 91a clasps the middle part of decorations axle 9 between support bushing 91,92 up and down, as Figure 6 and Figure 7, radially outwards give prominence to and be mounted, so the front end of the swing arm 91a that installs is linked to the other end of adoring lever 90a of going up that extends downwards via connecting rod 93a.
On the leading section of swing arm 91a, as shown in Figure 5, be equipped with parallel and extend the connecting pin 96a of below with last decorations axle 9, the binding of swing arm 91a and connecting rod 93a make be located at connecting rod 93a with the carriage of side end in axially being embedded in slidably on the above-mentioned connecting pin 96a.Again, the other end at last decorations lever 90a, parallel with fulcrum 94a and needle bar driving shaft 7 and be equipped with connecting pin 97a, the binding of last decorations lever 90a and connecting rod 93a, as shown in Figure 7, by the carriage (Block ラ ケ ッ ト) of the end of the homonymy of being located at connecting rod 93a, being situated between is connected with the spherojoint that forms in the spheroid of connecting pin 97a front end and forms by clasping one.
By above structure, the swing of going up decorations lever 90a that is produced as previously mentioned is passed to swing arm 91a via connecting rod 93a, installed this swing arm 91a go up decorations axle 9 corresponding to the pendulum angle of last decorations lever 90a reciprocally swinging, be installed on the going up decorations sinker burr 90 of lower end of decorations axle 9 this on and the supply of doing ornamental thread is moved.
At this moment, be the evolution of following above-below direction with fulcrum 94a as the swing of going up decorations lever 90a lower end of pivot, in and the face of last decorations axle 9 quadratures on above-below direction, produce dislocation between the swinging track of the swing arm 91a that produced.On the one hand, the connecting rod 93a that link to go up decorations lever 90a and swing arm 91a as previously mentioned can be with respect to swing arm 91a and by along the slip of connecting pin 96a and displacement along the vertical direction, again, relatively upward decorations lever 90a utilizes the effect of the spherojoint that is set at linking part and topples over to suitable direction.Such displacement and topple over the effect that generate to absorb aforementioned dislocation, on adorn lever 90a swing be to be passed to swing arm 91a smoothly and positively, the action of going up decorations sinker burr 90 that the reciprocal rotation by last decorations axle 9 is brought is implemented.
Again because last decorations axle 9 supported by support bushing 91,92 up and down in the installation site of swing arm 91a, be passed to by connecting rod 93a swing arm 91a front end push-pull effort caused goes up toppling over of decorations axle 9 and be suppressed slightly, on adorn sinker burr 90 operating position can set accurately.And, the setting of this operating position is that change is done in the fixed position of the kinking Luntai 93 of last decorations axle 9 lower ends on the axial and circumferencial direction of last decorations axle 9, again, the actuating length of decorations sinker burr 90 is gone up the coupling position of decorations crank arm 92a and last decorations lever 90a and is done adjusting by change as previously mentioned on the operating position of having set.
Going up among the decorations transmission device 9a of aforesaid structure by the transmission from needle bar driving shaft 7, can move the upward decorations device of the leading section that is assembled in sewing machine arm 3 certain and smooth-goingly.
Again, on the formation decorations transmission device 9a go up decorations lever 90a, swing arm 91a, on adorn crank arm 92a and connecting rod 93a is primary structural component owing to follow the reaction force of these actions little, can be corresponding to the high speed of the responsiveness that does not produce big vibration and noise.
And then last decorations axle 9 can two be supported in up and down two positions and can interfere the aforementioned movement transforming device 8 that is used to make needle bar 4 knee-actions, because decorations transmission device 9a transmission between these support portions can be implemented high-precision action of going up decorations sinker burr 90.
Fig. 8 is the stereoscopic figure of other embodiment of last decorations transmission device.Fig. 9 is the same three-dimensional exploded view.Be shown in this figure go up decorations transmission device 9b be shown in Fig. 5 to Fig. 7 to go up decorations transmission device 9a identical, the rotation of needle bar driving shaft 7 is passed to decorations axle 9, makes back and forth rotations of decorations axle 9 this on, and has the structure of upward adoring crank arm 90b and swing arm 91b.And, have go up decorations axle 9, on to adorn the structure of going up the decorations device of sinker burr 90 etc. identical with the enforcement kenel shown in the 5th figure to the 7 figure, give the identical symbol of member of correspondence and omit detailed explanation.
The swing arm 91b of last decorations transmission device 9b is mounted to radially outwards outstanding at the middle part of clasping the decorations axle up and down between the support bushing 91,92.The bottom of last decorations crank arm 90b the middle part of needle bar driving shaft 7 have predetermined offset and be linked to integrally formed on the decorations crank 74, extend the front end that the front end of adoring crank arm 90b is linked to above-mentioned swing arm 91b of going up of decorations axle 9 sides.
As shown in Figure 9, on adorn crank 74 and have the crank-pin 75 that is processed into sphere, again, the connecting pin 92b that is processed to sphere is integrally formed at the front end of swing arm 91b.On the bottom of last decorations crank arm 90b, have big bracket 93b on the one hand, be connected with integratedly respectively with the little bracket 94b that has corresponding to connecting pin 92b with spherical inner face at identical leading section with spherical inner face corresponding to crank-pin 75.Last decorations crank arm 90b and last decorations crank 73 are as shown in Figure 8, be bonded via clasping the spherojoint that crank-pin 75 forms by big bracket 93b, adorn on again, crank arm 90b and swing arm 91b by little bracket 94b via clasping the spherojoint that connecting pin 92b forms and be bonded.
Rotation by above structure needle bar driving shaft 7 directly is passed to swing arm 91b via the decorations crank arm 90b that goes up that is linked to decorations crank 74, the decorations axle 9 of going up that this swing arm 91b is installed rotates a circle with needle bar driving shaft 7 and back and forth rotates as one-period, is carried out line and is supplied with and move by the decorations sinker burr 90 of going up that is installed on decorations axle 9 lower ends this on.
At this moment, swing arm 91b be above decorations axle 9 as pivot in predetermined angular range swing, the front end of swing arm 91b is that above decorations spools 9 are moving reciprocatingly in predetermined angular range on the circumference for the center.On the one hand, the crank-pin 75 of adoring crank 74 on is, and to be the center with needle bar driving shaft 7 move in a circle along predetermined circumference.The decorations crank arm 90b that goes up that links swing arm 91b and crank-pin 75 topples over to suitable direction by the interaction energy of the spherojoint of being located at two ends, topples over the above-mentioned movement locus between absorption swing arm 91b front end and the crank-pin 75 poor by this.By this, the rotation of needle bar driving shaft 7 is passed to swing arm 91b smoothly and positively, positively implements to go up the action of going up decorations sinker burr 90 that reciprocating motion caused of decorations axle 9.
Last decorations crank 74 has the adjusting bolt 76 of the offset of regulating crank-pin 75 and the set bolt 77,77 of secured adjusted position.The actuating quantity of going up decorations sinker burr 90 that reciprocal rotation caused of last decorations axle 9 changes the offset of crank-pin 75 by the operation of regulating bolt 76, can freely be changed by the order that is screwed into and fixes this set bolt 77,77.
According to the upward decorations transmission device 9b that as above constructs, the decorations device of going up of the leading section that is assembled in sewing machine arm 3 positively and is smoothly moved by the transmission from needle bar driving shaft 7.Again, last decorations axle 9 can two be supported in up and down two positions can not interfere the above-mentioned movement transforming device 8 that needle bar 4 knee-actions are used and since between these support portions by on decorations transmission device 9b do transmission, can implement the action of decorations sinker burr 90 on the high accuracy.
And then, thereby on adorn transmission device 9b and have as main member and go up decorations crank arm 90b and swing arm 91b has simple structure, can not interfere above-mentioned movement transforming device 8 and be disposed at the inside of sewing machine arm 3 easily.Again, on adorn crank arm 90b and swing arm 91b is primary structural component, follow the reaction force of these actions little, therefore can be corresponding to the high speed of the responsiveness that does not produce big vibration and noise.
And in the above embodiment, though the suitable example of the straight cylinder-shaped sewing machine of the structure of making when the bottom end side of barrel susceptor 2 transmits at the cloth on the needle plate 20 of the leading section that will be set up in barrel susceptor 2 illustrates, but the present invention has the machine spindle 5 with the prominent set direction quadrature of sewing machine arm 3, can be applicable to the Sewing machines that is made needle bar 4 knee-actions of being located on sewing machine arm 3 leading sections by the transmission from this machine spindle 5 totally.
In the related Sewing machines of the technical scheme of the present invention 1 of above detailed description, will be by from the belt transmission of machine spindle and the power transmission shaft that rotates, to be provided with corresponding to prominent mode of establishing the position with the slightly orthogonal thereto sewing machine arm of machine spindle, make the needle bar that is positioned at the sewing machine arm front end by from the transmission of power transmission shaft and knee-action, therefore the generation ground that make the knee-action of needle bar can be smoothly, to suppress vibration and noise carries out, high speed that can corresponding sewing speed.
Again, in the related Sewing machines of technical scheme 2, on the leading section of sewing machine arm, also be provided with the needle bar driving shaft that rotates by from the belt transmission of power transmission shaft, be passed near the needle bar the rotating shaft that is positioned at this needle bar driving shaft, thereby make the structure of this needle bar knee-action, can more effectively prevent to vibrate and the generation of noise, in addition, will be located at the transmission mechanism of apparatus for assembling of the leading section of sewing machine arm, thereby utilize the some of needle bar driving shaft and form and to constitute simply.
Again, in the related Sewing machines of technical scheme 3, convert the rotation of needle bar driving shaft the movement transforming device of knee-action to, owing to have the ordinary construction of crank arm and pin shaker arm, so simplify the structure of movement transforming device by the generalization of member, reach and reduce the goods cost.
Again, in the related Sewing machines of technical scheme 4, decorations axle on will disposing near needle bar at the leading section of sewing machine arm, two are supported on two positions that isolate up and down, between this support portion, back and forth rotate owing to transmit the rotation of the needle bar driving shaft that is set up in the sewing machine arm leading section, the available simple construction of stable of the action ground of going up the decorations device of being located at the leading section of sewing machine arm carries out, suppress the generation of vibration and noise, can be corresponding to the high speed of sewing speed.
Again, in technical scheme 5 and the 6 related Sewing machiness, the swing arm that is based in decorations axles directly linked by last decorations crank arm with the needle bar driving shaft and constitute to go up and adorn transmission device, owing to can be further the linking part of going up decorations crank arm two ends be absorbed constituting of movement locus poorly, on adorn device transmission can stably carry out by simple structure.
Again, in technical scheme 7 and the 8 related Sewing machiness, swing arm and needle bar driving shaft be via crank arm, on adorn lever and connecting rod and link and constitute and go up the decorations transmission device, can further absorb the linking part that constitutes the connecting rod two ends of movement locus poorly, can more positively go up the transmission of decorations device etc., the present invention can superior good effect.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, thus protection scope of the present invention when with the scope of accompanying Claim the person of being defined be as the criterion.
Claims (8)
1. a Sewing machines has the sewing machine body that machine spindle is built in the bottom, on this sewing machine body top to the prominent sewing machine arm of establishing of the direction of above-mentioned machine spindle approximate vertical, by the needle bar of drop support in this sewing machine arm front end; Be installed in the hang down pin of end of this needle bar and be used in the structure of knee-action, it is characterized in that comprising making from the transmission of above-mentioned machine spindle:
At the inside upper part of above-mentioned sewing machine body and above-mentioned machine spindle almost parallel and the power transmission shaft that sets up;
Be set up between this power transmission shaft and the above-mentioned machine spindle, make the rotation of this machine spindle be passed to the driving belt of above-mentioned power transmission shaft; And
Be formed at the inside of above-mentioned sewing machine arm, the rotation of above-mentioned power transmission shaft be passed to the transmission device of above-mentioned needle bar.
2. Sewing machines as claimed in claim 1 is characterized in that, above-mentioned transmission device comprises:
Inboard and above-mentioned machine spindle and power transmission shaft almost parallel in above-mentioned sewing machine arm elder generation end and the needle bar driving shaft that sets up;
Be set up between above-mentioned needle bar driving shaft and the above-mentioned power transmission shaft, the rotation of this power transmission shaft be passed to the driving belt of above-mentioned needle bar driving shaft; And
The rotation of above-mentioned needle bar driving shaft is converted to the movement transforming device of the knee-action of above-mentioned needle bar.
3. Sewing machines as claimed in claim 2 is characterized in that, above-mentioned movement transforming device comprises:
Be linked to the crank arm on the above-mentioned needle bar driving shaft crank midway; And
The pin shaker arm is attached to the one end on this crank arm respectively, and the other end is attached to above-mentioned needle bar midway, and around swinging with the axle of above-mentioned needle bar driving shaft almost parallel.
4. as claim 2 or 3 described Sewing machiness, it is characterized in that, also comprise:
Be supported on up and down in the inside of above-mentioned sewing machine arm separation 2 places on decorations axles;
Be installed in hang down in above-mentioned sewing machine arm outside above-mentioned go up a decorations axle lower end, by the reciprocal rotation of decorations this on spool with the axle center roughly swing in the face of quadrature on adorn sinker burr; And
With the rotation of above-mentioned needle bar driving shaft be passed to above-mentioned go up the decorations axle up and down between the support portion, make above-mentioned go up that the decorations axle back and forth rotates go up the decorations transmission device.
5. Sewing machines as claimed in claim 4 is characterized in that, the above-mentioned decorations transmission device of going up comprises:
The swing arm of radially establishing between the support portion up and down of decorations axle on above-mentioned to evagination; And
The front end of this swing arm is attached to goes up the decorations crank arm on the above-mentioned needle bar driving shaft crank midway.
6. Sewing machines as claimed in claim 5 is characterized in that, the above-mentioned decorations crank arm of going up is attached to via spherojoint on the front end and above-mentioned crank of above-mentioned swing arm.
7. Sewing machines as claimed in claim 4 is characterized in that, the above-mentioned decorations transmission device of going up comprises:
Be supported on swingably and go up the decorations lever in the rotating shaft with above-mentioned needle bar driving shaft almost parallel;
The swing arm of radially establishing between the support portion up and down of decorations axle on above-mentioned to evagination;
An above-mentioned end of going up the decorations lever is attached to going up on the above-mentioned needle bar driving shaft crank midway adorns crank arm; And
The connecting rod that links the front end of the above-mentioned other end of going up the decorations lever and above-mentioned swing arm.
8. Sewing machines as claimed in claim 7, it is characterized in that, above-mentioned connecting rod be to the axial length direction be linked to slidably the front end of above-mentioned swing arm with above-mentioned on the parallel and prominent connecting pin of establishing of decorations axle, and be attached to the above-mentioned other end of going up the decorations lever via spherojoint.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003092051 | 2003-03-28 | ||
| JP2003092051 | 2003-03-28 | ||
| JP2003281317 | 2003-07-28 | ||
| JP2003281317A JP4674706B2 (en) | 2003-03-28 | 2003-07-28 | sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1534125A true CN1534125A (en) | 2004-10-06 |
| CN100510226C CN100510226C (en) | 2009-07-08 |
Family
ID=33478539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100302737A Ceased CN100510226C (en) | 2003-03-28 | 2004-03-23 | Sewing machine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4674706B2 (en) |
| KR (1) | KR100920478B1 (en) |
| CN (1) | CN100510226C (en) |
| TW (1) | TWI275676B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828359A (en) * | 2012-08-27 | 2012-12-19 | 吴江市中盛机械有限公司 | Swinging crank for needle bar of industrial sewing machine |
| CN101634091B (en) * | 2008-07-22 | 2013-03-20 | 徐石渊 | High-speed thin direct reel type flat seaming machine drive structure |
| CN103695732A (en) * | 2013-11-26 | 2014-04-02 | 宁波瑞铭机械有限公司 | Connecting rod of sewing machine and preparation method thereof |
| TWI616571B (en) * | 2014-03-28 | 2018-03-01 | 美馬縫紉機製造股份有限公司 | Feed arm type sewing machine |
| CN109554837A (en) * | 2017-09-25 | 2019-04-02 | Juki株式会社 | Send out the double ring seam sewing machine of wrist type |
| CN110318174A (en) * | 2018-03-28 | 2019-10-11 | 飞马缝纫机制造株式会社 | The needle bar driving mechanism of sewing machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4596349B2 (en) * | 2008-04-10 | 2010-12-08 | ヤマトミシン製造株式会社 | Feeding arm shape flat stitch machine |
| CN104097064B (en) * | 2014-06-24 | 2017-02-08 | 浙江大学台州研究院 | Automatic sewing machine copper connecting rod mechanization processing device and processing method |
| CN104858659B (en) * | 2015-05-22 | 2017-10-20 | 浙江大学台州研究院 | The automatic machining device and its processing method of sewing machine curved needle crank |
| CN110184756B (en) * | 2019-07-02 | 2024-01-30 | 阮健明 | Automatic thread trimming and presser foot lifting device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0716380A (en) * | 1993-06-30 | 1995-01-20 | Hiroo Imoto | Multiple needle loop sewing machine for double-face knit fabric with decoration |
| KR200149400Y1 (en) | 1996-11-07 | 1999-06-15 | 양정석 | Quilting machine |
| JP2000245985A (en) | 1999-02-26 | 2000-09-12 | Tokai Ind Sewing Mach Co Ltd | Power transmission device of sewing machine |
| JP2000308784A (en) * | 1999-04-28 | 2000-11-07 | Juki Corp | Cycle sewing machine |
-
2003
- 2003-07-28 JP JP2003281317A patent/JP4674706B2/en not_active Expired - Lifetime
-
2004
- 2004-02-23 TW TW093104414A patent/TWI275676B/en not_active IP Right Cessation
- 2004-03-23 CN CNB2004100302737A patent/CN100510226C/en not_active Ceased
- 2004-03-23 KR KR1020040019550A patent/KR100920478B1/en active IP Right Grant
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634091B (en) * | 2008-07-22 | 2013-03-20 | 徐石渊 | High-speed thin direct reel type flat seaming machine drive structure |
| CN102828359A (en) * | 2012-08-27 | 2012-12-19 | 吴江市中盛机械有限公司 | Swinging crank for needle bar of industrial sewing machine |
| CN103695732A (en) * | 2013-11-26 | 2014-04-02 | 宁波瑞铭机械有限公司 | Connecting rod of sewing machine and preparation method thereof |
| CN103695732B (en) * | 2013-11-26 | 2015-11-18 | 宁波瑞铭机械有限公司 | A kind of linking sewing machine and preparation method thereof |
| TWI616571B (en) * | 2014-03-28 | 2018-03-01 | 美馬縫紉機製造股份有限公司 | Feed arm type sewing machine |
| CN109554837A (en) * | 2017-09-25 | 2019-04-02 | Juki株式会社 | Send out the double ring seam sewing machine of wrist type |
| CN110318174A (en) * | 2018-03-28 | 2019-10-11 | 飞马缝纫机制造株式会社 | The needle bar driving mechanism of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004313740A (en) | 2004-11-11 |
| JP4674706B2 (en) | 2011-04-20 |
| CN100510226C (en) | 2009-07-08 |
| TW200419028A (en) | 2004-10-01 |
| TWI275676B (en) | 2007-03-11 |
| KR20040084706A (en) | 2004-10-06 |
| KR100920478B1 (en) | 2009-10-08 |
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