CN1757811A - Middle presser foot device of sewing machine - Google Patents
Middle presser foot device of sewing machine Download PDFInfo
- Publication number
- CN1757811A CN1757811A CNA2005101088504A CN200510108850A CN1757811A CN 1757811 A CN1757811 A CN 1757811A CN A2005101088504 A CNA2005101088504 A CN A2005101088504A CN 200510108850 A CN200510108850 A CN 200510108850A CN 1757811 A CN1757811 A CN 1757811A
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- China
- Prior art keywords
- presser feet
- sewing machines
- middle presser
- lower positions
- moves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
- D05B29/08—Presser feet comprising relatively-movable parts
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B19/00—Programme-controlled sewing machines
- D05B19/02—Sewing machines having electronic memory or microprocessor control unit
- D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
- D05B19/16—Control of workpiece movement, e.g. modulation of travel of feed dog
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
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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
- D05B57/36—Driving-gear for loop takers in lock-stitch sewing machines
- D05B57/38—Shuttle drives
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/10—Electrical or electromagnetic drives
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines
- D05C9/20—Movement of the base fabric controlled by the presser feet; Driving arrangements therefor
Abstract
The invention relates to a middle compress device of seaming machine (1), which comprises a middle press stand (29) which can move up and down synchronously with a needle (107) when the needle (107) presses the seamed object toward a needle plate (101), wherein when in power off, the middle press stand (29) can move to an upper middle press stand backoff position (P5) consistent with a lower middle press stand position (P4) when the middle press stand (29) can press seamed object toward the needle plate (101) in seaming and an outer press stand (104) capable of moving to a preset position moves to the preset position at power off condition. The inventive middle cloth press of seaming machine can select the middle press stand backoff position or the middle press stand lower position to set position of the middle press stand when the seaming machine is power off, to improve the operating performance after power off.
Description
Technical field
The present invention relates to the middle cloth-pressing device of Sewing machines.
Background technology
In the past, in the Sewing machines of carrying cloth to make as cycle operation Sewing machines or embroidery machine etc. by the press device maintenance cloth of frame shape and along the XY direction, therefore the confusion of making for the friction that prevents when eedle rises because of cloth and eedle makes cloth rise and cause with eedle is provided with middle cloth-pressing device.
Should have middle presser feet by middle cloth-pressing device, presser feet is followed moving up and down of eedle by elastic force in this under the state that is pressed downwards.Presser feet in being somebody's turn to do, usually descend at present end in contact on cloth at eedle, at this moment, do not follow the decline of eedle and keep state by compress by elastic force, in the eedle rising that penetrates on the cloth and when from cloth, extracting, be in pressed status and push cloth by presser feet in the elastic force, presser feet was followed eedle and rising during eedle was extracted afterwards from cloth.
As above-mentioned middle cloth-pressing device, known have: regulate the inclination of the connecting rod that constitutes rock body, this rock body makes cam or knob and middle presser feet is moved up and down; And, the upper/lower positions of presser feet (for example, with reference to patent documentation 1) during cloth-pressing device can be regulated in this.
In the middle cloth-pressing device in being disclosed in patent documentation 1, by solenoidal driving, Jie rises middle presser feet abut by connecting rod and carries out keeping out of the way of middle presser feet, when cutting off solenoidal power supply by the power supply that cuts off Sewing machines, owing to disappeared by the active force of solenoid to connecting rod, institute is so that middle presser feet drops to middle presser feet upper/lower positions.At this, do not use solenoid in keeping out of the way of middle presser feet, presser feet was kept out of the way to middle presser feet retreating position during the mechanism of the machinery by using cam etc. made, even after the power supply of Sewing machines is cut off, middle presser feet does not descend yet
Patent documentation 1: the spy opens flat 9-253365 communique
But in middle cloth-pressing device in the past, behind the power supply that cuts off Sewing machines, middle presser feet is in a certain position that drops to middle presser feet upper/lower positions or be parked in middle presser feet retreating position.Like this, following problem is arranged: if middle presser feet drop in the presser feet upper/lower positions, then as the preparation of making, when press box is installed in presser feet can become the obstacle of installation, when descending in the press box contact and cause the press box damage.And problem below also having: if middle presser feet is arranged in the presser feet retreating position, then when adjusting is equipped with the adjusting operation consistent with rotating shuttle of the synchronous shank of rotation of the lifting of shank of eedle and rotating shuttle, middle presser feet becomes the obstacle of shank decline and causes making shank to descend, and can not pass suture on eedle.
Summary of the invention
Therefore, the present invention is in order to solve above-mentioned problem, its objective is the middle cloth-pressing device that a kind of Sewing machines is provided, position to the middle presser feet behind the power supply that cuts off Sewing machines, the operability of cutting off behind the Sewing machines power supply can be improved in a certain position of presser feet retreating position and middle presser feet upper/lower positions in can selecting and setting.
In order to solve above problem, the middle cloth-pressing device 1 of the Sewing machines of technical scheme 1 record, possess when from make thing, extracting eedle 107 towards needle plate 101 and push down the mode of making thing and the middle presser feet 29 that moves up and down and move up and down synchronously of above-mentioned eedle 107, it is characterized in that: when making, push down and make thing towards needle plate 101, and the outer presser feet 104 that can keep out of the way assigned position when the dump of Sewing machines 100 is kept out of the way under the situation of afore mentioned rules position, when above-mentioned dump, the side of the middle presser feet retreating position P5 above above-mentioned middle presser feet 29 can move to and the middle presser feet upper/lower positions P4 of below.
At this, so-called assigned position be meant make finish after, make outer presser feet rise near the head of sewing machine upper the putting of outer presser feet for making outer presser feet not become obstacle.
In addition, in the what is called presser feet retreating position be meant make finish after, the position that presser feet rises and its and needle plate are isolated significantly in making, the presser feet upper/lower positions is meant in making in the what is called, after from make thing, extracting eedle in presser feet return the also position of standby.
According to the invention of technical scheme 1 record, outer presser feet is kept out of the way to the situation of assigned position when the dump of Sewing machines, and middle presser feet can move to the position of the middle presser feet upper/lower positions selection of presser feet retreating position and below from the top.At this, and when press box is installed as the preparation of sewing, presser feet retreating position in moving to by presser feet in making, presser feet does not become the obstacle of installation, contacts with press box when descending and the situation that causes making press box to damage in can not producing.And, when adjusting is equipped with the adjusting operation consistent with rotating shuttle of the synchronous shank of rotation of the lifting of shank of eedle and rotating shuttle, presser feet upper/lower positions in moving to by presser feet in making, thus presser feet does not become the situation that the obstacle of the decline of shank causes shank can not descend, can not pass suture on eedle in can not producing.So, can improve the operability behind the power supply that cuts off Sewing machines.
The invention of technical scheme 2 records, be in the middle cloth-pressing device 1 of the Sewing machines that technical scheme 1 is put down in writing, it is characterized in that, have and make the lift drive mechanism M2 of above-mentioned middle presser feet 29 along the direction lifting that moves up and down of eedle 107, and possess: when above-mentioned Sewing machines 100 dumps so that in above-mentioned presser feet 29 move to above-mentioned in the mode of presser feet upper/lower positions P4 mobile controlling organization M3 that above-mentioned lift drive mechanism M2 is moved; With when the dump of above-mentioned Sewing machines 100 so that in above-mentioned presser feet 29 maintain above-mentioned in the mode of presser feet retreating position P5 limit to mobile limiting mechanism M4 by the control action of the above-mentioned lift drive mechanism M2 of above-mentioned mobile controlling organization M3 control.
Invention according to technical scheme 2 records, by moving controlling organization when the dump of Sewing machines lift drive mechanism is moved, presser feet upper/lower positions during presser feet moves in can making, thus presser feet does not become the situation that obstacle that shank descends causes shank can not descend, can not pass suture on eedle in can not producing.In addition, by moving the limiting mechanism restriction when the dump of Sewing machines to control action by the lift drive mechanism of mobile controlling organization control, presser feet retreating position in middle presser feet can being maintained, presser feet does not become the obstacle of installation, contact with press box when descending and the situation that causes making press box to damage in can not producing.So, can improve the operability behind the power supply that cuts off Sewing machines.
The invention of technical scheme 3 records, be in the Sewing machines of technical scheme 1 record in the cloth-pressing device 1, it is characterized in that, have make above-mentioned in presser feet 29 along the lift drive mechanism M2 of the direction lifting that moves up and down of eedle 107, the driving mechanism 42 that above-mentioned lift drive mechanism M2 is moved; And possess: the storing mechanism 92 that stores the corresponding middle presser feet position data 94a of drive amount that makes above-mentioned middle presser feet retreating position P5 and above-mentioned middle presser feet upper/lower positions P4 and above-mentioned driving mechanism 42; With when the dump of above-mentioned Sewing machines 100, control the drive controlling mechanism 90 of above-mentioned driving mechanism 42 based on being stored in presser feet position data 94a in above-mentioned in the above-mentioned storing mechanism 92.
According to the invention of technical scheme 3 records, driving mechanism to be controlled based on being stored in the middle presser feet position data in the storing mechanism by drive controlling mechanism, driving mechanism can move lift drive mechanism based on middle presser feet position data.At this, if drive controlling mechanism makes drive mechanism with output corresponding to the mode of the drive amount of middle presser feet retreating position, presser feet retreating position during presser feet moves in then can making, presser feet does not become the obstacle of installation, contact with press box when descending and the situation that causes making press box to damage in can not producing.In addition, if drive controlling mechanism makes drive mechanism with output corresponding to the mode of the drive amount of middle presser feet upper/lower positions, presser feet upper/lower positions during presser feet moves in then can making, thus presser feet does not become the situation that the obstacle of the decline of shank causes shank can not descend, can not pass suture on eedle in can not producing.So, can improve the operability behind the power supply that cuts off Sewing machines.
The invention of technical scheme 4 records, be in the middle cloth-pressing device 1 of the Sewing machines that technical scheme 1 is put down in writing, it is characterized in that, have and make the lift drive mechanism M2 of above-mentioned middle presser feet 29 along the direction lifting that moves up and down of eedle 107, and possesses middle presser feet driver part, presser feet driver part in being somebody's turn to do, be set on the above-mentioned lift drive mechanism M2, by when the dump of above-mentioned Sewing machines 100 from the outside of above-mentioned Sewing machines 100 by manually operating, presser feet 29 in above-mentioned can be moved to above-mentioned in presser feet retreating position P5 and above-mentioned in presser feet upper/lower positions P4.
According to the invention of technical scheme 4 record, by from the outside of Sewing machines by presser feet driver part the manual operation, during presser feet moves in can making on presser feet retreating position and the middle presser feet upper/lower positions.At this, during presser feet moves in the operation by middle presser feet driver part makes behind the presser feet retreating position, presser feet does not become the obstacle of installation, contact with press box when descending and the situation that causes making press box to damage in can not producing.And during presser feet moves in the operation by middle presser feet driver part makes behind the presser feet upper/lower positions, thereby presser feet does not become the situation that the obstacle of the decline of shank causes shank can not descend, can not pass suture on eedle in can not producing.So, can improve the operability behind the power supply that cuts off Sewing machines.
According to the invention of technical scheme 5 record, when the dump of Sewing machines, middle presser feet can move to the position of selecting in the middle presser feet upper/lower positions of presser feet retreating position and below from the top.At this, as the preparation of making when press box is installed, presser feet retreating position in moving to by presser feet in making, presser feet does not become the obstacle of installation, contact with press box when descending and the situation that causes making press box to damage in can not producing.And, when adjusting is equipped with the adjusting operation consistent with rotating shuttle of the synchronous shank of rotation of the lifting of shank of eedle and rotating shuttle, presser feet upper/lower positions in moving to by presser feet in making, thus presser feet does not become the situation that the obstacle of the decline of shank causes shank can not descend, can not pass suture on eedle in can not producing.So, can improve the operation behind the power supply that cuts off Sewing machines.
(invention effect)
According to the invention of technical scheme 1 record, when press box being installed as the preparation of sewing, presser feet retreating position in moving to by presser feet in making, presser feet does not become the obstacle of installation, contacts with press box when descending and the situation that causes making press box to damage in can not producing.In addition, when adjusting is equipped with the adjusting operation consistent with rotating shuttle of the synchronous shank of rotation of the lifting of shank of eedle and rotating shuttle, by presser feet upper/lower positions during middle presser feet is moved to, thereby presser feet does not become the situation that the obstacle of the decline of shank causes shank can not descend, can not pass suture on eedle in can not producing.So, can improve the operability behind the power supply that cuts off Sewing machines.
Invention according to technical scheme 2 records, by moving controlling organization when the dump of Sewing machines lift drive mechanism is moved, presser feet upper/lower positions during presser feet moves in can making, thus presser feet does not become the situation that the obstacle of the decline of shank causes shank can not descend, can not pass suture on eedle in can not producing.In addition, by moving the limiting mechanism restriction when the dump of Sewing machines to control action by the lift drive mechanism of mobile controlling organization control, presser feet retreating position in middle presser feet can being maintained, presser feet does not become the obstacle of installation, contact with press box when descending and the situation that causes making press box to damage in can not producing.So, can improve the operability behind the power supply that cuts off Sewing machines.
Invention according to technical scheme 3 records, if drive controlling mechanism makes drive mechanism with output corresponding to the mode of the drive amount of middle presser feet retreating position, presser feet retreating position during presser feet moves in then can making, presser feet does not become the obstacle of installation, contact with press box when descending and the situation that causes making press box to damage in can not producing.In addition, if drive controlling mechanism makes drive mechanism with output corresponding to the mode of the drive amount of middle presser feet upper/lower positions, presser feet upper/lower positions during presser feet moves in then can making, thus presser feet does not become the situation that the obstacle of the decline of shank causes shank can not descend, can not pass suture on eedle in can not producing.So, can improve the operability behind the power supply that cuts off Sewing machines.
According to the invention of technical scheme 4 record, during presser feet moves in the operation by middle presser feet driver part makes behind the presser feet retreating position, presser feet does not become the obstacle of installation or contacts with press box when descending and the situation that causes making press box to damage in can not producing.In addition, during presser feet moves in the operation by middle presser feet driver part makes behind the presser feet upper/lower positions, thereby presser feet does not become the situation that the obstacle of the decline of shank causes shank not descend or can not pass suture on eedle in can not producing.So, can improve the operability behind the power supply that cuts off Sewing machines.
Invention according to technical scheme 5 records, at the dump of Sewing machines, when press box being installed as the preparation of making, presser feet retreating position in moving to by presser feet in making, presser feet does not become the obstacle of installation, contact with press box when descending and the situation that causes making press box to damage in can not producing.In addition, when adjusting is equipped with the adjusting operation consistent with rotating shuttle of the synchronous shank of rotation of the lifting of shank of eedle and rotating shuttle, presser feet upper/lower positions in moving to by presser feet in making, thus presser feet does not become the situation that the obstacle of the decline of shank causes shank can not descend, can not pass suture on eedle in can not producing.So, can improve the operation behind the power supply that cuts off Sewing machines.
Description of drawings
Fig. 1 is the approximate three-dimensional map of Sewing machines.
Fig. 2 is the side view of middle cloth-pressing device.
Fig. 3 is the exploded perspective view of middle cloth-pressing device.
Fig. 4 is the exploded perspective view of middle cloth-pressing device.
Fig. 5 is the side view of the lift drive mechanism (before keeping out of the way) of presser feet in the explanation.
Fig. 6 is the side view of the lift drive mechanism (in keeping out of the way) of presser feet in the explanation.
Fig. 7 is the side view of the lift drive mechanism (keeping out of the way the back) of presser feet in the explanation.
Fig. 8 is the figure that the position of presser feet and outer presser feet in the explanation concerns.
Fig. 9 illustrates the therefrom figure of the height change of the needle plate of the joint of presser feet lifter cam and roller.
Figure 10 is the side view of lift drive mechanism of middle presser feet of the middle cloth-pressing device of explanation embodiment 2.
Figure 11 is the formation block diagram of control device of the middle cloth-pressing device of embodiment 2.
Among the figure: cloth-pressing device among the 1-, 11-the 2nd connecting rod, the 15-sewing machine frame, the 16-helical spring, presser feet linkage component among the 24-, presser feet among the 29-, the 34-guide member, 34t, the upper end of 55t-guide member, the 36-mobile link, the 42-motor, 51-travel mechanism, 90-control device (drive controlling mechanism), 92-memory (storing mechanism), presser feet position data among the 94a-, 95a-drive controlling program, 100-Sewing machines, 101-needle plate, the outer presser feet of 104-, the 105-press box, 107-eedle, the above-below direction of presser feet among the D1-, the direction in upright arrangement of D2-connecting rod, the direction of the direction crosscut in upright arrangement of the relative connecting rod of D3-, (the 1st connecting rod 8 of presser feet head motion among the M1-, the 2nd connecting rod 11, positioning linkage rod 13), M2-lift drive mechanism (middle presser feet lifter cam 45, middle pressure foot lifting parts 46, roller 47), M3-moves controlling organization (middle pressure foot lifting return arm 52, helical spring 53, solenoid 54), M4-moves limiting mechanism (shield 55), P1, the P2-connecting portion, the P3-linking part, presser feet upper/lower positions among the P4-, presser feet retreating position among the P5-, distance between the L-connecting portion, θ-adjacent connecting rod angulation.
The specific embodiment
Embodiment 1
(formation of Sewing machines)
As shown in Figure 1, Sewing machines 100 with middle cloth-pressing device 1 (with reference to Fig. 2) of the present invention, have needle plate and outside clamping and keep making the maintaining body 106 of thing between the presser feet 104, with the conveying mechanism that these maintaining body 106 along continuous straight runs are moved (diagram slightly), make that thing is the eedle 107 of stationary state with respect to the position in horizontal plane and along continuous straight runs moves by making, in the scope of stipulating (for example, needle plate 101 and outside the inboard of presser feet 104, or the mobile range of the conveying mechanism of the maintaining body 106 by eedle 107) position arbitrarily in can form stitching by suture.Particularly, Sewing machines 100 is the cycle operation Sewing machiness that can form stitching according to different shape.
And, in Sewing machines 100, this maintaining body 106, make the outside of the part of making of thing by needle plate 101 and 104 maintenances of outer presser feet, because the outer presser feet 104 of maintaining body 106 does not become the locational state that the eedle 107 made by the opposite joint system thing of being pressed in moves up and down, so, of the present invention in the middle presser feet 29 (with reference to Fig. 2) of cloth-pressing device 1 push the part that the eedle 107 of making thing moves up and down from the top.That is, in sewing needle 100, push downwards by outer presser feet 104 and middle presser feet 29 and to make thing.
(formation of middle cloth-pressing device)
Shown in Fig. 2～4, middle cloth-pressing device 1 is set on the axle 2, and axle 2 drivings are moved along the vertical direction at the shank that front end is provided with eedle 107 on this.Eccentric cam 3 is fixed on the axle 2, connects connecting rod 4 and is connected on this eccentric cam 3.Axis of rocking abut 5 is connected and connects on the connecting rod 4, and an end of axis of rocking 6 is connected on the axis of rocking abut 5.
In the other end of axis of rocking 6, be fixed with the base end part of middle presser feet regulating arm 7 of the amount of movement of the above-below direction D1 that is used for regulating presser feet.On middle presser feet regulating arm 7, be formed with grooved cam 7a.This grooved cam 7a is the slotted hole of arcuation, rotates by adjusting nut 9 and segmentation screw 10 and freely fixes the desired position of this grooved cam 7a and an end of the 1st connecting rod 8.This fixed position, be formed on from and the position that intersects of the axial line of axis of rocking 6, from this crossover location between the scope of a distolateral assigned position of presser feet regulating arm 7, and in this scope, can carry out desired adjusting.
Length part and segmentation screw 12 places at the 2nd connecting rod 11 rotate the other end that freely connects the 1st connecting rod 8.In addition, the grooved cam 7a of adjusting nut 9 engaging becomes when being arranged in the bottom dead centre that presser feet 29 pumps, is the part of the circular arc at center with the axle center of segmentation screw 12.Positioning linkage rod 13 is connected the rear side of the 2nd connecting rod 11.
Positioning linkage rod 13 is rotated on the sewing machine frame 15 that freely is installed in as the Sewing machines framework position consistency of the segmentation screw 12 the when position of segmentation screw 14 and compress pin 29 are positioned at bottom dead centre in the central by segmentation screw 14 near the portion.
End at positioning linkage rod 13 is provided with spring carrier arm 13a, in addition, on sewing machine frame 15, also be fixed with spring carrier arm 15a, between this two spring carrier arm, setting up helical spring 16, and one end of the positioning linkage rod 13 that is provided with spring carrier arm 13a is being applied power downwards in the mode that pulls.That is, the 2nd connecting rod 11 and connecting portion P1 the 3rd connecting rod 20, when being moved upward, 16 couples of connecting portion P1 of helical spring apply power downwards.In the other end of positioning linkage rod 13, be connected with retainer 17, connect an end of the 2nd connecting rod 11 and the other end of positioning linkage rod 13 by a segmentation screw 18.In addition, retainer 17 by segmentation screw 14, freely is installed on the sewing machine frame 15 with positioning linkage rod 13 rotations.Above an end 17a of retainer 17, be provided with the limiting part 19 that rotates upward that is used to limit to retainer 17.In addition, this limiting part 19 also can be substituted by the part of sewing machine frame 15.And, by the 1st connecting rod the 8, the 2nd connecting rod 11, positioning linkage rod 13, presser feet head motion M1 in the formation.
On the other end of the 2nd connecting rod 11, rotate an end that freely is connected with the 3rd connecting rod 20 by segmentation screw 21.On the other end of the 3rd connecting rod 20,, rotate an end that freely is connected with the 4th connecting rod 22 according to the mode of array relative to the length direction of the 3rd connecting rod 20 by segmentation screw 23.By the 3rd connecting rod 20 and the 4th connecting rod 22, presser feet linkage component 24 in the formation.
In the other end of the 4th connecting rod 22, be connected with connecting rod relay plate 25 by segmentation screw 26.Middle presser bar abut 27 is fixed on the connecting rod relay plate 25, and the middle presser bar 28 of Yan Shening is maintained on the middle presser bar abut 27 along the vertical direction.In the bottom of middle presser bar 28, be equipped with when making the middle presser feet 29 of cloth presser on needle plate 101.In the upper end of middle presser bar 28, be provided with helical spring 30, be installed on the middle presser bar abut 27 by bolt 31 and nut 32.
Segmentation screw 23 connects hornblock 33 and guide member 34, and connects the 3rd connecting rod 20 and the 4th connecting rod 22.That is, guide member 34 is set, hornblock 33 is set, connect the 3rd connecting rod the 20, the 4th connecting rod 22, hornblock 33, guide member 34 by a segmentation screw 23 in the face side of this guide member 34 in the face side of the 4th connecting rod 22.
Hornblock 33 plays the effect of the packing ring in the gap between the connecting portion P3 that fills up segmentation screw the 23, the 3rd connecting rod 20 and the 4th connecting rod 22, and prevents rocking of each connecting rod, and each parts is successfully driven.
Guide member 34 is the sheet material that is the general triangular shape, and upper end 34t rotates by segmentation screw 35 and freely is installed on the sewing machine frame 15.Near the bottom of guide member 34, be formed with the slotted hole 34a of length along the vertical direction.This slotted hole 34a is formed the width than the slightly larger in diameter of the threaded portion of segmentation screw 23, and at this slotted hole 34a interpolation reduction of fractions to a common denominator section screw 23.That is, guide member 34, the connecting portion P3 that can make the 3rd connecting rod 20 and the 4th connecting rod 22 along in the above-below direction D1 of presser feet 29 move, and restriction is moved to the direction D3's of the direction D2 in upright arrangement of crosscut the 3rd connecting rod 20 and the 4th connecting rod 22.
And, on guide member 34, by segmentation screw 37, near the top of slotted hole 34a, rotate an end that freely is connected with mobile link 36, this mobile link 36 makes guide member 34 move to the direction D3 of the direction D2 in upright arrangement of crosscut the 3rd connecting rod 20 and the 4th connecting rod 22.On the other end of mobile link 36, be connected with eccentric cam 38, an end of flexible shaft 39 is connected on this eccentric cam 38.On the other end of flexible shaft 39, be connected with motor 42 as driving mechanism by bearing 40, bevel gear 41.Motor 42 is made of for example stepper motor, the driving of motor 42, and according to the sequence delivery of flexible shaft 39, eccentric cam 38, mobile link 36, mobile link 36 moves guide member 34.
On bevel gear 41, meshing bevel gear 43, can be along the driving of the direction D5 output motor 42 vertical with the direction of principal axis of flexible shaft 39.In the rear end of bevel gear 43, coaxial bearing 44 and the middle presser feet lifter cam 45 etc. of connecting.That is and since motor 42 also can as in the drive source of presser feet lifter cam 45 play a role, so the lifting of middle presser feet 29 is undertaken by transmitting from the driving force of motor 42.
Middle presser feet lifter cam 45, as Fig. 5～shown in Figure 7, with the center line by center of rotation is the border, one side be formed from center of rotation to outer peripheral face distance about equally circular-arc (below, be called and keep the 45a of portion), the opposing party is formed distance from center of rotation to outer peripheral face than big to the distance of outer peripheral face from the center of rotation of keeping the 45a of portion, and is the slick and sly shape that changes (below, be called change section 45b).In addition, as Fig. 3 and Fig. 5～shown in Figure 7,, be formed with on the driving shaft 51 that transmits the driving force of transmitting from motor 42 in the one side side of middle presser feet lifter cam 45, be used for fixing have the fixed part 45c of presser feet lifter cam 45.And, on this fixed part 45c, be formed with the jut 45d that extends to the outer peripheral edges of change section 45b.
Middle presser feet lifter cam 45, be the parts of pressure foot lifting parts 46 liftings in making, middle pressure foot lifting parts 46, be the parts that presser feet 29 rises to the middle presser feet retreating position P5 (narration in the back) that makes after finishing in making, the outer peripheral face of the roller cylindraceous 47 of an end of pressure foot lifting parts 46 and the outer peripheral face of middle presser feet lifter cam 45 are abutted against in being arranged on.Promptly, though when the 45a of the portion that keeps of middle presser feet lifter cam 45 and roller 47 are abutted against, middle pressure foot lifting parts 46 do not rise (with reference to Fig. 7), but when the change section 45b of middle presser feet lifter cam 45 docks with roller 47, middle pressure foot lifting parts 46 risings (with reference to Fig. 5).That is, constitute lift drive mechanism M2 by middle presser feet lifter cam 45, middle pressure foot lifting parts 46, roller 47.
Middle pressure foot lifting parts 46, belly freely is installed on the sewing machine frame 15 by pin 48 rotations therein.Middle pressure foot lifting parts 46, its the other end is arranged in the position of the below of presser bar abut 27, in presser feet lifter cam 45 change section 45b and roller 47 is abutted against and the other end by middle pressure foot lifting parts 46 on rise, presser bar abut 27 rises in can making, presser feet retreating position P5 (with reference to Fig. 5) during presser feet 29 rises in making.In addition, on sewing machine frame 15, spring carrier arm 49 is set, on this spring carrier arm 49, sets up an end of helical spring 50, during the other end is erected near the end of pressure foot lifting parts 46 in the position that is arranged in above leaning on than pressure foot lifting parts 46.Thus, always an end of centering pressure foot lifting parts 46 applies upward power.
The rear of the jut 45d of the fixed part 45c of presser feet lifter cam 45 in being formed at, the mode that moves to middle presser feet upper/lower positions P4 (narration in the back) with presser feet 29 in making when cutting off the power supply of Sewing machines 10 is arranged to the middle pressure foot lifting return arm 52 of 45 rotations of presser feet lifter cam in making to extend with the direction of the axis normal of driving shaft 51.Middle pressure foot lifting return arm 52 is the parts that are bar-shaped formation, and the end is installed on the sewing machine frame 15 by the helical spring 53 as elastomeric element thereafter.Middle pressure foot lifting return arm 52, by the solenoid 54 that starts when the energising of the power supply of Sewing machines 100 and stop during dump at Sewing machines 100, under the state of the elastic force effect of helical spring 53, be held, when cutting off the power supply of Sewing machines 100, the maintenance of pressure foot lifting return arm 52 in the releasing, middle pressure foot lifting return arm 52 forwards eject under the effect of the elastic force of helical spring 53 and the 45d of push projection portion.That is, constitute mobile controlling organization M3 (mobile controlling organization) by middle pressure foot lifting return arm 52, helical spring 53, solenoid 54.
And, above middle presser feet lifter cam 45, be provided with the shield 55 that constitutes mobile limiting mechanism M4 (mobile limiting mechanism), this mobile limiting mechanism M4, can come in and go out between the leading section and protuberance 45d of the middle pressure foot lifting return arm 52 that keeps by solenoid 54, and pressure foot lifting return arm 52 contacts with protuberance 45d in can be used to prevent.That is,, in not wishing to make under the situation of presser feet lifter cam 45 rotations, can make shield 55 mobile between the leading section of middle pressure foot lifting return arm 52 and protuberance 45d for the position of presser feet 29 in keeping.
At this, the position of centering presser feet 29 and outer presser feet 104 relation is illustrated.
As shown in Figure 8, middle presser feet 29 position of standby in making is called middle presser feet upper/lower positions P4, middle presser feet 29 make the position of keeping out of the way upward after finishing be called in presser feet retreating position P5.In addition, outer presser feet 104 is pushed the position of making thing and is called position, external pressure underfooting in making, and outer presser feet 104 is put making the position of keeping out of the way after finishing presser feet is upper outside being called.
These position relation, according to middle presser feet retreating position P5, outer presser feet upperly put, the order of middle presser feet upper/lower positions P4, position, external pressure underfooting, reduce successively from the height of needle plate 101.
(action of the middle presser feet when making)
Then, the action to middle cloth-pressing device 1 with above-mentioned formation is illustrated.
When the axle motor drives (diagram slightly) and eccentric cam 3 is rotated on making, the front end that connects connecting rod 4, the edge is shaken with the direction (the direction D3 of the direction D2 crosscut in upright arrangement of relative the 3rd connecting rod 20 and the 4th connecting rod 22) of the axis approximate vertical of last axle 2, is connected the axis of rocking abut 5 that connects on the connecting rod 4 and also shakes along equidirectional.By shaking of axis of rocking abut 5, axis of rocking 6 also shakes, therefore, an end of the 1st connecting rod 8 becomes the other end of shaking fulcrum and the 1st connecting rod 8 along shaking with the direction (the direction D3 of the direction D2 crosscut in upright arrangement of relative the 3rd connecting rod 20 and the 4th connecting rod 22) of the axis approximate vertical of axis of rocking 6.Along with shaking of the other end of the 1st connecting rod 8, the other end of the 2nd connecting rod 11 is shaken along the direction D2 in upright arrangement of the 3rd connecting rod 20 and the 4th connecting rod 22, be connected the 3rd connecting rod 20 and the 4th connecting rod 22 of the other end of the 2nd connecting rod 11, D2 shakes along its direction in upright arrangement (above-below direction).Along with shaking of the 3rd connecting rod 20 and the 4th connecting rod 22, be connected on the 4th connecting rod 22 middle presser bar 28 along the vertical direction D1 move downwards, therefore, middle presser feet 29 also moves along the vertical direction.
(the adjusting action of the middle presser feet upper/lower positions of middle cloth-pressing device)
Then, the adjusting action to the middle presser feet upper/lower positions P4 of middle cloth-pressing device 1 with above-mentioned formation is illustrated.
After motor 42 was driven, the driving of motor 42 was transmitted to movable axis 39 by bevel gear 41, bearing 40, and movable axis 39 begins to rotate.By the rotation of movable axis 39, eccentric cam 38 also rotates, and mobile link 36 edges are shaken with the direction (the direction D3 of the direction D2 crosscut in upright arrangement of relative the 3rd connecting rod 20 and the 4th connecting rod 22) of the axis approximate vertical of movable axis 39.By shaking of mobile link 36, guide member 34 shakes along the direction D3 of the direction D2 crosscut in upright arrangement of relative the 3rd connecting rod 20 and the 4th connecting rod 22.
At this moment, as shown in Figure 9, the segmentation screw 23 of the 3rd connecting rod 20 that on the slotted hole 34a of guide member 34, connects and the connecting portion P3 of the 4th connecting rod 22, limit its threaded portion to moving by slotted hole 34a relative to the direction D3 of the direction D2 crosscut in upright arrangement of the 3rd connecting rod 20 and the 4th connecting rod 22, so, have nowhere to go by shaking the power of being transmitted, segmentation screw 23 is moved upward along slotted hole 34a, along with segmentation screw 23 is followed moving of guide member 34, angulation θ changes between the 3rd connecting rod 20 that connects side by side in upright arrangement and the 4th connecting rod 22, and middle presser feet linkage component 24 becomes く word shape roughly.When middle presser feet linkage component 24 becomes roughly く word shape, distance L between the connection end of middle presser feet linkage component 24, in other words, the distance L between an end of the 3rd connecting rod 20 and the other end of the 4th connecting rod 22 shortens, and middle presser feet 29 D1 along the vertical direction is moved upward.Thus, can regulate in the middle presser feet upper/lower positions P4 of presser feet 29.
(the middle presser feet that is undertaken by middle cloth-pressing device keep out of the way action)
Then, to make make after finishing in the action of presser feet 29 when middle presser feet retreating position P5 moves be illustrated.
The adjusting of middle presser feet upper/lower positions P4 is undertaken by regulating each connecting rod ratio and motor 42 being rotated in 0 °～180 ° scope, and keeping out of the way by motor 42 is rotated in 180 °～360 ° scope of middle presser feet 29 undertaken.
Promptly, when the adjusting of middle presser feet upper/lower positions P4, if motor 42 is rotated in 0 °～180 ° scope, the 45a of the portion that keeps and the roller 47 of then middle presser feet lifter cam 45 are abutted against, when presser feet 29 is kept out of the way in making, if motor 42 is rotated in 180 °～360 ° scope, the change section 45b of presser feet lifter cam 45 is abutted against each one that is connected with roller 47 in then making.
So, as Fig. 5～shown in Figure 7, because motor 42 rotates in 0 °～180 ° scope when making, so, keep the 45a of portion and roller 47 is abutted against, middle pressure foot lifting parts 46 do not rotate.Therefore, presser bar abut 27 during middle pressure foot lifting parts 46 can not push upward, presser feet upper/lower positions P4 in only can regulating.But, make finish after, if motor 42 rotates in 180 °～360 ° scope, then change section 45b and roller 47 are abutted against and push an end of middle pressure foot lifting parts 46 downwards.So middle pressure foot lifting parts 46 are that fulcrum rotates with pin 48, the other end of middle pressure foot lifting parts 46 is moved upward, and pushes the middle presser bar abut 27 that is set on the mobile route upward.Thus, can make middle presser feet 29 rise to middle presser feet retreating position P5.
(lifting action of the middle presser feet the during dump of Sewing machines)
Then, to make make after finishing in action during presser feet 29 liftings be illustrated.
When the dump of Sewing machines 100, middle presser feet 29 is arranged under the situation of presser feet retreating position, if cut off the power supply of Sewing machines 100, then the power supply of solenoid 54 also is cut off.When cutting off the power supply of solenoid 54, because the maintenance of middle pressure foot lifting return arm 52 is disengaged, so middle pressure foot lifting return arm 52 is ejected to the protuberance 45d of middle presser feet lifter cam 45 by the elastic force of helical spring 53.And, be abutted against with protuberance 45d by middle pressure foot lifting return arm 52, the kinetic energy of pressure foot lifting return arm 52 in protuberance 45d transmits, protuberance 45d begins rotation according to the clockwise direction of Fig. 5.
At this, when middle presser feet 29 is arranged in the position of presser feet retreating position P5, the change section 45b and the roller 47 of middle presser feet lifter cam 45 are abutted against, therefrom the pivot of presser feet lifter cam 45 to the distance of keeping the 45a of portion with to change section 45b the distance different, so, as shown in Figure 9, with roller 47 be abutted against the place when change section 45b moves to the change of keeping the 45a of portion and the position of being abutted against of roller 47 change gradually.Thus, if protuberance 45d begins rotation, even then do not give revolving force thereafter, middle presser feet lifter cam 45 also can rotate at leisure.Thereafter, as mentioned above, undertaken moving to the change of keeping the 45a of portion by the rotation of middle presser feet lifter cam 45 and the position of being abutted against of roller 47 from change section 45b, therefore pressure foot lifting parts 46 begin to rotate according to the counter clockwise direction of Fig. 6 in, and middle presser feet 29 descends to middle presser feet upper/lower positions P4.This mechanism be so that above-mentioned in the presser feet mode that the presser feet upper/lower positions moves in above-mentioned, the mobile controlling organization (mobile controlling organization of the present invention) that above-mentioned lift drive mechanism is moved.
On the other hand, behind the dump of Sewing machines 100, also wish under the situation of presser feet 29 in middle presser feet retreating position P5 keeps, shield 55 is moved between protuberance 45d and middle pressure foot lifting return arm 52.Thus, cut off the power supply of solenoid 54, middle pressure foot lifting return arm 52 ejects to protuberance 45d, middle pressure foot lifting return arm 52 collides shields 55 and has been limited moving to protuberance 45d, therefore, middle presser feet lifter cam 45 does not rotate, presser feet retreating position P5 during presser feet 29 maintains in can making.This mechanism is the mobile limiting mechanism (of the present invention mobile limiting mechanism) of restriction to the control action of the above-mentioned lift drive mechanism that undertaken by above-mentioned mobile controlling organization.
(action effect of embodiment 1)
Middle cloth-pressing device 1 according to the Sewing machines of embodiment 1, when the dump of Sewing machines 100, when the outer presser feet that can keep out of the way assigned position is kept out of the way the afore mentioned rules position, middle pressure foot lifting return arm 52, by the protuberance 45d with middle presser feet lifter cam 45 be abutted against and make in presser feet lifter cam 45 rotation, presser feet upper/lower positions P4 during presser feet 29 moves in can making, presser feet 29 becomes the obstacle that shank descends and the situation that causes shank can not descend or can not pass suture on eedle 107 in can't producing.In addition, the rotation of the middle presser feet lifter cam 45 that is undertaken by middle pressure foot lifting return arm 52 by 55 restrictions of shield when the dump of Sewing machines 100, during presser feet 29 maintains in can making on the presser feet retreating position P5, presser feet 29 does not become the obstacle of installation, contact with press box 105 (with reference to Fig. 1) when descending and the situation that causes making press box 105 to damage in can not producing.So, can improve the operability behind the dump that cuts off Sewing machines 100.
Embodiment 2
(formation of middle cloth-pressing device)
The middle cloth-pressing device 1G of embodiment 2, as Fig. 2, Figure 10, shown in Figure 11, the mobile controlling organization of alternative embodiment 1 and mobile limiting mechanism, and by presser feet 29 in control device 90 controls.In addition, about other the inscape except that control device 90, because identical, with the prosign mark and omit its explanation with embodiment 1.
As shown in figure 11, control device 90 possesses the CPU91 that carries out various processing and as the memory 92 of the storing mechanism of stored routine and data.
The program area 95 that the data area 94 of the data that the operating area 93 of being handled by CPU91, record are used for handling and storing is used for carrying out at cloth-pressing device the program of exercises forms memory 92.
On data area 94, presser feet position data 94a in the storage, presser feet position data 94a is what to be used for corresponding to the drive amount of presser feet retreating position P5 and middle presser feet upper/lower positions P4 and motor 42 in this.Particularly, on middle presser feet position data 94a, store: for presser feet in making 29 move in presser feet retreating position and the motor 42 that needs axle the anglec of rotation and for presser feet 29 in making move in the anglec of rotation of axle of presser feet upper/lower positions and the motor 42 that needs.
On program area 95, store drive controlling program 95a, this drive controlling program 95a controls the driving of motor 42 based on being stored in the middle presser feet position data 94a on the data area 94.That is, control device 90 plays a role as the drive controlling mechanism that carries out drive controlling program 95a by CPU91.
(lifting action of the middle presser feet the during dump of Sewing machines)
Then, to make make after finishing in the control of control device 90 during presser feet 29 liftings be illustrated.
Do not set middle presser feet 29 is set in during the order of presser feet upper/lower positions P4, when control device 80 detects the power supply that cuts off Sewing machines 100, the electric power holding device that utilization is built-in with control device 80 (for example, capacitor) electric power only makes the axle rotation of motor 42 based on the amount of middle presser feet position data 94a.Transmit the driving force of motors 42 by bevel gear 41,43 to middle presser feet lifter cam 45, middle presser feet lifter cam 45 according to Fig. 5～shown in Figure 7 clockwise, and only with the rotation of the angle among the presser feet position data 94a in being set in.
At this, when middle presser feet 29 is arranged in presser feet retreating position P5, the change section 45b and the roller 47 of middle presser feet lifter cam 45 are abutted against, since therefrom the pivot of presser feet lifter cam 45 to the distance of keeping the 45a of portion with to change section 45b apart from different, so, as shown in Figure 9 and being abutted against to be in and carrying out when change section 45b moves to the change of keeping the 45a of portion and the position of being abutted against of roller 47 changes gradually of roller 47.Thus, middle presser feet lifter cam 45 begins rotation, and thereafter, even do not give revolving force, middle presser feet lifter cam 45 also can rotate at leisure.Thereafter, as mentioned above, rotation by middle presser feet lifter cam 45, because and the position of being abutted against of roller 47 carries out moving to the change of keeping the 45a of portion from change section 45b, therefore, middle pressure foot lifting parts 46 begin to rotate according to the counter clockwise direction of Fig. 5～Fig. 7, and middle presser feet 29 descends to middle presser feet upper/lower positions P4.
On the other hand, do not set middle presser feet 29 is set in presser feet retreating position P5 order the time, control device 80 is by controlling according to the mode that does not transmit the signal that makes motor 42 drivings, and make motor 42 be in the state that stops, under middle presser feet lifter cam 45 non-rotary situations, middle presser feet 29 can be maintained on the middle presser feet retreating position P5.
That is, the middle cloth-pressing device of the Sewing machines of embodiment 2, have make above-mentioned in presser feet along the lift drive mechanism of the direction lifting that moves up and down of eedle and the driving mechanism that above-mentioned lift drive mechanism is moved, and possess:
Storage be used for corresponding to above-mentioned presser feet retreating position and above-mentioned in presser feet upper/lower positions and above-mentioned driving mechanism drive amount middle presser feet position data storing mechanism and
When the dump of above-mentioned Sewing machines, control the drive controlling mechanism of above-mentioned driving mechanism based on being stored in the above-mentioned middle presser feet position data in the above-mentioned storing mechanism.
(action effect of embodiment 2)
According to the middle cloth-pressing device 1G of embodiment 2 Sewing machiness, the CPU91 of control device 90 by carrying out drive controlling program 95a, makes motor 42 that middle presser feet lifter cam 45 is moved.At this, control device 90, when making the axle rotation of motor 42 corresponding to the mode of the drive amount of middle presser feet retreating position P5 with output, presser feet retreating position P5 during presser feet 29 moves in can making, presser feet 29 does not become the obstacle of installation, contact with press box 105 (with reference to Fig. 1) when descending and the situation that causes making press box 105 to damage in can not producing.And, control device 90, when making the axle rotation of motor 42 corresponding to the mode of the drive amount of middle presser feet retreating position P5 with output, presser feet upper/lower positions P4 during presser feet 29 moves in can making, thus presser feet 29 becomes the situation that the obstacle of the decline of shank causes shank can not descend or can not pass suture on eedle 107 in can't producing.So, can improve the operability behind the power supply that cuts off Sewing machines 100.
In addition, the present invention is defined in the foregoing description.For example, the lifting of the middle presser feet 29 behind the dump of Sewing machines 100, also can not need to be built in the device in the Sewing machines 100, and from the outside installation of Sewing machines can so that presser feet 29 move in the mode of presser feet retreating position P5 and middle presser feet upper/lower positions P4 and the middle presser feet driver part that constitutes and the manual activity by the operator move in presser feet 29.Thus, by from the outside of Sewing machines 100 by presser feet driver part the manual operation, during presser feet 29 moves in can making on presser feet retreating position P5 and the middle presser feet upper/lower positions P4.At this, during presser feet 29 moves in the operation by middle presser feet driver part makes during presser feet retreating position P5, presser feet 29 does not become the obstacle of installation, contact with press box 105 when descending and the situation that causes making press box 105 to damage in can not producing.And during presser feet 29 moves in the operation by middle presser feet driver part makes during presser feet upper/lower positions P4, thereby presser feet 29 does not become the situation that the obstacle of the decline of shank causes shank can not descend or can not pass suture on eedle 107 in can not producing.So, can improve the operability behind the power supply that cuts off Sewing machines 100.
In addition, quantity, coupling position, the order of connection of the connecting rod of presser feet head motion M1 are arbitrarily in the formation, so long as can export the mechanism of shaking to the above-below direction D1 of middle presser feet 29, can freely change its mechanism.
In addition, in an embodiment, in order to obtain required middle presser feet upper/lower positions P4, the data of needs are stored in the control device 90, but also can set by the situation of making the drive amount of motor 42 by the operator.
In addition, though presser feet lifter cam 45 and middle pressure foot lifting parts 46 in not being provided with, the eccentric and presser feet retreating position P5 during presser feet 29 moves in making of the output shaft that also can make motor 42.
Claims (5)
1. the middle cloth-pressing device of a Sewing machines has middle presser feet, presser feet in this, from keep by outer presser feet make thing and extract eedle the time, synchronous and move up and down to push down the mode of making thing with moving up and down of described eedle, it is characterized in that:
Presser feet in described, can keep out of the way the outer presser feet of assigned position when the dump of Sewing machines keeps out of the way under the situation of described assigned position, when described dump, can move to than the outer presser feet of having kept out of the way by the middle presser feet retreating position of top and a side that can push the middle presser feet upper/lower positions of the below of making thing.
2. according to the middle cloth-pressing device of the Sewing machines shown in the claim 1, it is characterized in that,
Have the lift drive mechanism of the described middle presser feet of lifting, and possess:
Mobile controlling organization, this moves controlling organization when the dump of described Sewing machines, so that the mode that described middle presser feet moves to described middle presser feet upper/lower positions is moved described lift drive mechanism; With
Mobile limiting mechanism, this moves limiting mechanism when the dump of described Sewing machines, with presser feet in described is maintained described in the mode of presser feet retreating position limit to control action by the described lift drive mechanism of described mobile controlling organization control.
3. according to the middle cloth-pressing device of the Sewing machines shown in the claim 1, it is characterized in that,
Have the lift drive mechanism of the described middle presser feet of lifting and the driving mechanism that described lift drive mechanism is moved, and possess:
Storing mechanism, this storing mechanism store the corresponding middle presser feet position data of the drive amount that makes described middle presser feet retreating position and described middle presser feet upper/lower positions and described driving mechanism;
Drive controlling mechanism, this drive controlling mechanism based on the described middle presser feet position data that is stored in described storing mechanism, control described driving mechanism when the dump of described Sewing machines.
4. according to the middle cloth-pressing device of the Sewing machines shown in the claim 1, it is characterized in that,
Have make described in presser feet along the lift drive mechanism of the direction lifting that moves up and down of eedle,
And possesses middle presser feet driver part, presser feet driver part in being somebody's turn to do, be set on the described lift drive mechanism, by when the dump of described Sewing machines from manually the operating of the outside of described Sewing machines, presser feet in described can be moved to described in the presser feet retreating position and described in the presser feet upper/lower positions.
5. the middle cloth-pressing device of a Sewing machines, in making by on the axle motor driving eedle is moved up and down, and has middle presser feet, presser feet in being somebody's turn to do, when from make thing, extracting described eedle, synchronously move up and down to push down the mode and the moving up and down of described eedle of making thing towards needle plate, it is characterized in that possessing:
Elevating mechanism, this elevating mechanism make finish after, by drive mechanism, make described in the presser feet lifting to the middle presser feet retreating position of top and the middle presser feet upper/lower positions of below;
Mobile controlling organization, this moves controlling organization, the middle presser feet upper/lower positions when the middle presser feet of presser feet retreating position moves to the dump of Sewing machines in will being moved into by described elevating mechanism; With
Mobile limiting mechanism, this moves limiting mechanism, and the middle presser feet of being controlled by described mobile controlling organization moves or limits and should move to middle presser feet upper/lower positions.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-296558 | 2004-10-08 | ||
| JP2004296558 | 2004-10-08 | ||
| JP2004296558A JP4799842B2 (en) | 2004-10-08 | 2004-10-08 | Sewing machine intermediate presser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1757811A true CN1757811A (en) | 2006-04-12 |
| CN1757811B CN1757811B (en) | 2012-02-08 |
Family
ID=36372733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101088504A Active CN1757811B (en) | 2004-10-08 | 2005-10-08 | Middle presser foot device of sewing machine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4799842B2 (en) |
| KR (1) | KR101266356B1 (en) |
| CN (1) | CN1757811B (en) |
| TW (1) | TW200619453A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338490B (en) * | 2007-07-04 | 2013-02-13 | Juki株式会社 | Sewing machine |
| CN105002663A (en) * | 2015-08-20 | 2015-10-28 | 浙江中捷缝纫科技有限公司 | Lockstitch sewing machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4821984B2 (en) * | 2006-05-24 | 2011-11-24 | ブラザー工業株式会社 | sewing machine |
| JP2010088553A (en) * | 2008-10-06 | 2010-04-22 | Juki Corp | Cloth presser lifting device of sewing machine |
| KR101465196B1 (en) | 2010-02-05 | 2014-11-25 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Semiconductor device and method for manufacturing the same |
| CN107119397A (en) * | 2017-05-27 | 2017-09-01 | 浙江信胜缝制设备有限公司 | A kind of towel embroidery cam coordinates combining structure with roller |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2659443B2 (en) * | 1989-11-29 | 1997-09-30 | ジューキ株式会社 | Middle presser drive for sewing machine |
| CN2120122U (en) * | 1992-04-11 | 1992-10-28 | 刘博彬 | Presser foot lifting device for sewing machine |
| JP3945891B2 (en) * | 1998-02-27 | 2007-07-18 | Ｊｕｋｉ株式会社 | Middle presser mechanism of sewing machine |
| CN2332743Y (en) * | 1998-06-03 | 1999-08-11 | 顾飞龙 | Presser foot control mechanism of sewing machine |
| JP4008802B2 (en) * | 2002-12-09 | 2007-11-14 | Ｊｕｋｉ株式会社 | sewing machine |
-
2004
- 2004-10-08 JP JP2004296558A patent/JP4799842B2/en active Active
-
2005
- 2005-09-27 TW TW094133487A patent/TW200619453A/en unknown
- 2005-10-07 KR KR1020050094341A patent/KR101266356B1/en active IP Right Grant
- 2005-10-08 CN CN2005101088504A patent/CN1757811B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338490B (en) * | 2007-07-04 | 2013-02-13 | Juki株式会社 | Sewing machine |
| CN105002663A (en) * | 2015-08-20 | 2015-10-28 | 浙江中捷缝纫科技有限公司 | Lockstitch sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060052107A (en) | 2006-05-19 |
| KR101266356B1 (en) | 2013-05-22 |
| TWI373538B (en) | 2012-10-01 |
| JP4799842B2 (en) | 2011-10-26 |
| CN1757811B (en) | 2012-02-08 |
| TW200619453A (en) | 2006-06-16 |
| JP2006102376A (en) | 2006-04-20 |
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