CN101532219A - Device for cutting cloth of sewing machine - Google Patents
Device for cutting cloth of sewing machine Download PDFInfo
- Publication number
- CN101532219A CN101532219A CN200910117886A CN200910117886A CN101532219A CN 101532219 A CN101532219 A CN 101532219A CN 200910117886 A CN200910117886 A CN 200910117886A CN 200910117886 A CN200910117886 A CN 200910117886A CN 101532219 A CN101532219 A CN 101532219A
- Authority
- CN
- China
- Prior art keywords
- cutting knife
- aforementioned
- presser feet
- cloth
- pressure regulating
- 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.)
- Pending
Links
Images
Abstract
The present invention provides a device for cutting cloth of a sewing machine, capable of regulating a pressing force of the cloth, and being restricted due to a pressing force of a movable cutter to a fixed cutter. The device has a presser foot (30), a presser foot shaft (31), a spring (32) for regulating the presser foot pressure, a component (33) for regulating the presser foot pressure, a fixed cutter (35), a movable cutter (35), a cutting driving wrist (39), a movable cutter shaft (36), a spring (37) for regulating the cutter pressure, and a component (38) for regulating the cutter pressure. In the device, the movable cutter is arranged on a lower side of the fixed cutter, and the spring for regulating the cutter pressure makes the movable cutter to apply a force to the fixed cutter and implements a pretension to the movable cutter upwards.
Description
Technical field
The present invention relates to a kind of cloth cut off device of Sewing machines.
Background technology
Known a kind of cloth cut off device, it utilizes fixed cutting tool and movable cutting knife, and the cloth (sewn object) that is admitted to the cloth guide portion on the presser feet that is arranged on Sewing machines is cut off (for example, with reference to patent documentation 1).
As Figure 11～shown in Figure 13, in existing cloth cut off device 100, at the leading section of sewing machine stand 101, but easy on and off is provided with presser feet axle 102 movably.In the lower end of this presser feet axle 102 presser feet 103 is set, it pushes the cloth of mounting on sewing machine base from the top.On this presser feet 103 cloth guide portion 113 is set, it has form of bifurcation sending into cloth one side, is fixed with fixed cutting tool 104 in the inboard of bifurcated.
In the upper end of presser feet axle 102 foot pressure regulating spring 105 is set, it applies the power (foot pressure) that makes presser feet 103 push cloth.Foot pressure regulating spring 105 is set to, can be in the presser feet axle bearing 106 on being arranged at sewing machine stand 101, and flexible along the axis direction of presser feet axle 102.
In the upper end of foot pressure regulating spring 105, foot pressure adjustment screw 107 is set, it externally forms screw thread 107a.The screw thread 107a of moulding on foot pressure adjustment screw 107, screw togather with the thread groove 106a of the interior axial plane that is formed at presser feet axle bearing 106, by optional position foot pressure regulating spring 107 is positioned, can determine the decrement of foot pressure regulating spring 105 at this thread groove 106a.And, can regulate the foot pressure of cloth corresponding to the decrement of foot pressure regulating spring 105.
In addition, in the periphery of presser feet axle 102, can rotate freely the earth's axis and support cutter driving wrist 108.On this cutter driving wrist 108, but movable slitter shaft 109 is set movably at the front end easy on and off of its wrist.At the fixing movable cutting knife 110 in the lower end of this movable slitter shaft 109.Cutter driving wrist 108 is by the driving of sewing machine electromotor, and via not shown drive transmission mechanism, is the center rotary oscillation with presser feet axle 102.
In the periphery of movable slitter shaft 109, embed cutting knife pressure regulating spring 111, it applies the power (cutting knife pressure) of being pushed to fixed cutting tool 104 by movable cutting knife 110.The upper end of cutting knife pressure regulating spring 111 and the spring retainer 108a crimping that is arranged on the front end of cutter driving wrist 108, lower end and cutting knife pressure are regulated the upper end crimping of clasping portion 112, this cutting knife pressure is regulated the periphery that the portion of clasping is embedded in movable slitter shaft 109, be set to regulate movable slitter shaft 109 axially on the installation site.And, can clasp the axial installation site of portion 112 by adjusting the adjusting of cutting knife pressure with respect to movable slitter shaft 109, determine the decrement of cutting knife pressure regulating spring 111, and, regulate the cutting knife pressure of 110 pairs of fixed cutting tools 104 of movable cutting knife corresponding to this decrement.
As shown in figure 13, when cutting off cloth, by making cutter driving wrist 108 around 102 rotations of presser feet axle, movable cutting knife 110 also moves with cutter driving wrist 108, thereby above fixed cutting tool 104, with fixed cutting tool 104 sliding-contacts on one side move on one side.Thus, the be fixed cloth of cutting knife 104 and movable cutting knife 110 clampings is cut off.Here, because movable cutting knife 110 utilizes the elastic force of cutting knife pressure regulating spring 104 to push to fixed cutting tool 104 sides, so can prevent to become the state that between fixed cutting tool 104 and movable cutting knife 110, the gap occurs and can't cut off cloth.
Patent documentation 1: the spy opens communique 2001-No. 137581
Summary of the invention
But, as shown in figure 12, in the structure of existing cloth cut off device 100, the foot pressure of 103 pairs of clothes of presser feet, and the cutting knife pressure of 110 pairs of fixed cutting tools 104 of movable cutting knife, all effect downwards.Therefore, from the cutting knife pressure of movable cutting knife 110 and foot pressure stack, act on presser feet 103 via being fixed on the fixed cutting tool 104 on the presser feet 103 from presser feet axle 102.
Therefore, under hope reduces situation by the foot pressure of 103 pairs of clothes of presser feet, even reduce the power that applies to presser feet axle 102 by foot pressure regulating spring 105, the power (cutting knife pressure) that movable cutting knife 110 is pushed fixed cutting tool 104 also can act on the presser feet 103, therefore can't make the foot pressure of 103 pairs of clothes of presser feet be less than or equal to this cutting knife pressure.Its result reduces to be difficult to tackle under the situation of foot pressure in hope as thin clothing cloth is made so as far as possible.
The present invention proposes in order to solve above-mentioned problem, and its purpose is to provide a kind of cloth cut off device of Sewing machines, and it can regulate the pressing force of cloth, and can not be restricted because of the cutting knife pressure of movable cutting knife to fixed cutting tool.
Technical scheme 1 described invention is a kind of cloth cut off device of Sewing machines, and it has:
The presser feet axle, it is arranged on the framework of Sewing machines, can move up at upper and lower;
The foot pressure regulating spring, it is with the axial below of aforementioned presser feet pretension;
Presser feet, the lower end that it is arranged on aforementioned presser feet axle utilizes the pretension of aforementioned foot pressure regulating spring and cloth is pushed downwards;
Fixed cutting tool, it is arranged on the aforementioned presser feet;
Movable cutting knife, it moves in the horizontal direction; And
The cutting knife pressure regulating spring, its with aforementioned movable cutting knife to aforementioned fixed cutting tool pretension,
This cloth cut off device by the co-operating of aforementioned fixation cutting knife and aforementioned movable cutting knife, will cut off to the cloth that the cloth guide portion that is arranged on the aforementioned presser feet is sent into,
It is characterized in that,
Aforementioned movable cutting knife is configured to, can contact with the aforementioned fixation cutting knife from downside on one side, Yi Bian move in the horizontal direction,
Aforementioned cutting knife pressure regulating spring is with aforementioned movable cutting knife pretension upward.
According to technical scheme 1 described invention, because the foot pressure regulating spring is presser feet pretension downwards, the cutting knife pressure regulating spring is opposite up and down direction with movable cutting knife pretension upward so carried out the direction of pretension by each spring.In addition, the upper surface of movable cutting knife upwards acts on the presser feet via fixed cutting tool to the power (cutting knife pressure) of the lower surface effect of fixed cutting tool.
Thus, presser feet is pushed the power (foot pressure) of cloth, for deducting the amount that the cutting knife pressure regulating spring is pushed the power of movable cutting knife the power of pushing presser feet from the foot pressure regulating spring.Thus, as make that this hope reduces under the situation of presser feet to the pressing force of cloth as far as possible under the situation of cloth of thin clothing, can regulate the foot pressure regulating spring and push the amount of the power of presser feet (foot pressure), so that it pushes the amount of the power (cutting knife pressure) of movable cutting knife a little more than the cutting knife pressure regulating spring.Thus, can realize making the foot pressure of cloth to be less than or equal to movable cutting knife this current insurmountable problem of cutting knife pressure to fixed cutting tool.
Thus, can keep the colleague who the fixed cutting tool effect is cut off the required cutting knife pressure of cloth, regulate the foot pressure of presser feet, and can not be restricted because of the cutting knife pressure of movable cutting knife to fixed cutting tool.
The presser feet axle, it is arranged on the framework of Sewing machines, can move up at upper and lower;
The foot pressure regulating spring, it is with the axial below of aforementioned presser feet pretension;
Presser feet, the lower end that it is arranged on aforementioned presser feet axle utilizes the pretension of aforementioned foot pressure regulating spring and cloth is pushed downwards;
Fixed cutting tool;
Movable cutting knife, it moves in the horizontal direction; And
The cutting knife pressure regulating spring, its with aforementioned movable cutting knife to aforementioned fixed cutting tool pretension,
This cloth cut off device will cut off to the cloth that the cloth guide portion that is arranged on the aforementioned presser feet is sent into by the co-operating of aforementioned fixation cutting knife and aforementioned movable cutting knife,
It is characterized in that,
The aforementioned fixation cutting knife is fixed on the framework of Sewing machines, passes the through hole that is arranged on aforementioned presser feet side, and the leading section of aforementioned fixation cutting knife is configured in the aforementioned cloth guide portion that is arranged on the aforementioned presser feet.
According to technical scheme 2 described inventions, because fixed cutting tool is fixed on the framework rather than presser feet of Sewing machines, even so movable cutting knife and fixed cutting tool sliding-contact and push fixed cutting tool, its pressing force also can be passed to framework from fixed cutting tool, thereby can not be passed to presser feet.
Thus, movable cutting knife can not be superimposed upon on the pressing force (foot pressure) of presser feet to cloth the pressing force of fixed cutting tool.Therefore, can with the cutting knife pressure independent ground of movable cutting knife, the foot pressure of free adjustment presser feet.That is to say, can realize making foot pressure to be less than or equal to movable cutting knife this current insurmountable problem of cutting knife pressure fixed cutting tool.
Thus, can when keep, regulate the foot pressure of presser feet, and can not be restricted because of the cutting knife pressure of movable cutting knife to fixed cutting tool to the required cutting knife pressure of fixed cutting tool effect cut-out cloth.
Aforementioned cutting knife pressure regulating spring with aforementioned movable cutting knife is carried out the opposite end of pretension one side, aforementioned presser feet axle is carried out pretension.
According to technical scheme 3 described inventions, the elastic force that makes progress that movable cutting knife regulating spring will revert to natural length is born by presser feet, and downward elastic force is also born by presser feet.Thus,, and can not act on the presser feet outside, so can the power that presser feet is pushed cloth not impacted because the pushing force of cutting knife pressure regulating spring is in the presser feet inner equilibrium.
Thus, can with the pressing force of movable cutting knife irrespectively, the pressing force of the cloth that free adjustment is caused by presser feet.That is to say, can realize that cloth is pushed and be less than or equal to this current insurmountable problem of cutting knife pressing force.
Thus, can when keep, regulate by the pressing force of presser feet, and can not be restricted because of the pressing force of movable cutting knife to fixed cutting tool to cloth to the required pressing force of fixed cutting tool effect cut-out cloth.
The effect of invention
According to the present invention, can when keep, regulate by the pressing force of presser feet, and can not be restricted because of the cutting knife pressure of movable cutting knife to fixed cutting tool to cloth to the required pressing force of fixed cutting tool effect cut-out cloth.
Description of drawings
Fig. 1 is the oblique view of summary that expression has the Sewing machines of cloth cut off device.
Fig. 2 is the oblique view of the cloth cut off device in the 1st embodiment.
Fig. 3 is the schematic diagram that the mechanism to the cloth cut off device in the 1st embodiment describes.
Fig. 4 is the vertical view of the cloth cut off device in the 1st embodiment.
Fig. 5 is the presser feet of the cloth cut off device in the 1st embodiment and near the front view the cutting knife.
Fig. 6 is the oblique view of the cloth cut off device of the 2nd embodiment.
Fig. 7 is the schematic diagram that the mechanism to the cloth cut off device in the 2nd embodiment describes.
Fig. 8 is the schematic diagram that the position of presser feet and fixed cutting tool of the cloth cut off device of explanation the 2nd embodiment concerns.
Fig. 9 is the oblique view of the cloth cut off device in the 3rd embodiment.
Figure 10 is the schematic diagram that the mechanism to the cloth cut off device in the 3rd embodiment describes.
Figure 11 is the oblique view of cloth cut off device of the prior art.
Figure 12 is the schematic diagram that the mechanism to cloth cut off device of the prior art describes.
Figure 13 is the vertical view of cloth cut off device of the prior art.
The specific embodiment
Below, with reference to accompanying drawing, the best mode of the cloth cut off device of the Sewing machines that the present invention relates to is at length described.
[the 1st embodiment]
The structure of＜Sewing machines 〉
As Fig. 1～shown in Figure 5, Sewing machines 100 is the decoration Sewing machiness that stretch out the wrist type.This Sewing machines 100 is the high Sewing machiness of operating efficiency, and it can cut off the cloth end of the left and right sides in the section portion operations such as hip connecting portion of for example short underpants simultaneously.
Near front end (the front end jaw portion of arm 1b) at sewing machine stand 1 is provided with needle bar mechanism 2, and it moves up and down suture needle, thereby forms fagot on the cloth as sewn object.Be adjacent to be provided with cloth cut off device 3 with this needle bar mechanism 2.
(the whole mechanism of cloth cut off device)
Cloth cut off device 3 is configured in the upper surface of sewing machine base 1a, has: presser feet 30, and it pushes the cloth of mounting in the upper surface of sewing machine base 1a from the top; Presser feet axle 31, it can keep presser feet 30 in the lower end on the arm 1b that is arranged on sewing machine stand 1 on the above-below direction movably; Foot pressure regulating spring 32, its elastic force of utilizing self be presser feet 30 pretension downwards, thereby presser feet 30 is applied the foot pressure of pushing cloth; Foot pressure adjusting portion 33, its foot pressure to foot pressure regulating spring 32 is regulated; Fixed cutting tool 34, it is fixed on the presser feet 30; Movable cutting knife 35, its along continuous straight runs moves, and with fixed cutting tool 34 sliding-contacts, be clipped in cloth between itself and the fixed cutting tool 34 with cut-out; Movable slitter shaft 36, it can be provided with on the above-below direction of sewing machine stand 1 with moving freely, keeps movable cutting knife 35; Cutting knife pressure regulating spring 37, its elastic force of utilizing self with movable cutting knife 35 to fixed cutting tool 34 pretensions, thereby apply cutting knife pressure; Cutting knife pressure regulating part 38, its amount to the cutting knife pressure of cutting knife pressure regulating spring 37 is regulated; And cutter driving wrist 39, it keeps the mechanism (cutting knife pressure regulating spring 37, cutting knife pressure regulating part 38) relevant with movable cutting knife 35.
(presser feet)
As shown in Figure 4, on presser feet 30, form the cloth guide portion 40 that the shape of sending into cloth one side is divaricated, utilize fixed cutting tool 34 and movable cutting knife 35 to cut off to the cloth that this cloth guide portion 40 is sent into.
Form the part that divaricates of cloth guide portion 40, form by two sheet material 30a, 30b are overlapped at above-below direction.At lower surface installing plate spring 30c as the sheet material 30a of bottom surface side.At the upper surface of sheet material 30a, sheet material 30b is installed on the sheet material 30a by hold-down screw 30d.Sheet material 30a, 30b form, and can form through hole S when it is overlapped on its bonding part.Fixed cutting tool 34 pass two furcations one of them through hole S and keep, movable cutting knife 35 can insert among another through hole S, by making the movable cutting knife 35 and fixed cutting tool 34 sliding-contacts that passes this through hole S, cloth is cut off.
(presser feet, foot pressure regulating spring, foot pressure adjusting portion)
As Fig. 2, shown in Figure 3, presser feet 30 is installed on the carriage 30e, and this carriage 30e is fixed on the lower end of presser feet axle 31.Presser feet axle 31 is set to, and makes the above-below direction of its axis along sewing machine stand 1.Presser feet axle 31 is configured to, and passes upper wall and the lower wall of arm 1b, and arm 1b easy on and off is supported movably relatively.Position in the upper wall of arm 1b and 31 insertions of the presser feet axle on the lower wall is provided with bearing 31a, 31b respectively, and presser feet axle 31 can move freely at the above-below direction of Sewing machines 100 by inserting among these two bearing 31a, 31b.
The upper end of presser feet axle 31 is configured to be housed in the bearing 31a.In bearing 31a, insert foot pressure regulating spring 32.
Foot pressure regulating spring 32 for example is a helical spring, can freely stretch along its axis direction.Foot pressure regulating spring 32 be configured in the roughly same axle of presser feet axle 31 on, the upper end butt of lower end and presser feet axle 31.
Foot pressure adjusting portion 33 is set above foot pressure regulating spring 32.The upper end butt of the lower end of foot pressure adjusting portion 33 and foot pressure regulating spring 32.Foot pressure adjusting portion 33 forms thread groove 33a in its periphery bottom, screw togather with the thread groove 32b of the inner peripheral surface that is formed on bearing 31a.If foot pressure adjusting portion 33 is screwed into to bearing 31a, then because presser feet 30 at lower end side and the pedestal part 1a butt of presser feet axle 31, so presser feet axle 31 can't move, so foot pressure regulating spring 32 is out of shape (compression).Thus, according to foot pressure adjusting portion 33 amounts of being screwed into to bearing 31a, the power that 32 pairs of presser feet axles 31 of foot pressure regulating spring are applied changes.That is to say,, can regulate the pressing force of 30 pairs of clothes of presser feet by regulating foot pressure adjusting portion 33 the amounts of being screwed into to bearing 31a.
(mechanism relevant) with movable cutting knife
As Fig. 2～shown in Figure 4, cutter driving wrist 39 is set on presser feet axle 31, it can rotate freely around axis of this presser feet axle 31.Cutter driving wrist 39 is by the driving of sewing machine electromotor, via not shown drive transmission mechanism, around the axis rotary oscillation of presser feet axle 31, thereby movable cutting knife 35 moved back and forth between cloth off-position and the retreating position that leaves from this off-position.Cut off to drive wrist 39 and form roughly コ font, be set to from up and down across the part of the lower panel of arm 1b from top view.Cutting off the front end formation bearing 39a of portion, the 39b that drives wrist 39, it is configured to separate along the above-below direction of Sewing machines 100.Movable slitter shaft 36 can insert among the 39a of this bearing portion, the 39b along the vertical direction with moving freely.The fixed station 35a that keeps movable cutting knife 35 is installed in lower end at movable slitter shaft 36.
On fixed station 35a, fix movable cutting knife 35.Shown in Fig. 4,5, movable cutting knife 35 is fixed on the fixed station 35a in the following manner, that is, and and when cutter driving wrist 39 is the center rotation with presser feet axle 31, at the downside of fixed cutting tool 34, the lower surface sliding-contact of the upper surface of this movable cutting knife 35 and fixed cutting tool 34.
Periphery at movable slitter shaft 36 embeds cutting knife pressure regulating spring 37, and it can freely stretch on the axis direction of movable slitter shaft 36.Cutting knife pressure regulating spring 37 is configured between 39a of bearing portion and the 39b of bearing portion, is configured such that the upper surface butt of lower end and the 39b of bearing portion.
In the periphery of movable slitter shaft 36, insertion cutting knife pressure regulating part 38 between the lower surface of the upper end of cutting knife pressure regulating spring 37 and the 39a of bearing portion.Cutting knife pressure regulating part 38 is set to can freely change along the fixed position of this above-below direction with respect to movable slitter shaft 36 between 39a of bearing portion and the 39b of bearing portion.Specifically, cutting knife pressure regulating part 38 forms by clasping parts, can utilize hold-down screw to be fixed on the movable slitter shaft 36 by making cutting knife pressure regulating part 38, thereby be fixed on the movable slitter shaft 36.
The upper end butt of the lower surface of cutting knife pressure regulating part 38 and cutting knife pressure regulating spring 37.If cutting knife pressure regulating part 38 is changed with respect to the fixed position of movable slitter shaft 36, then because the lower end of cutting knife pressure regulating spring 37 and the 39b of bearing portion butt and invariant position, so the decrement of cutting knife pressure regulating spring 37 changes, thereby can regulate the cutting knife pressure of 35 pairs of fixed cutting tools 34 of movable cutting knife.Specifically, because cutting knife pressure regulating part 38 is fixed on the bearing portion approaching position of 39b with downside more, the decrement of cutting knife pressure regulating spring 37 increases more, increases more so act on the elastic force of cutting knife pressure regulating part 38.Its result, the power that the movable slitter shaft 36 that is fixed with cutting knife pressure regulating part 38 is promoted upward increases, thereby the power (cutting knife pressure) that the upper surface of movable cutting knife 35 is pushed to the lower surface of the fixed cutting tool 34 that is positioned at the top is increased.Promptly, the flexible elastic force that will revert to natural length that causes that cutting knife pressure regulating spring 37 utilizes by self, via cutting knife pressure regulating part 38 and movable slitter shaft 36 movable cutting knife 35 is upwards pushed away, play the effect that the upper surface of this movable cutting knife 35 is pushed to the lower surface of fixed cutting tool 34.
＜action effect 〉
Action effect for cloth cut off device 100 describes.
By the driving of sewing machine electromotor, via drive transmission mechanism, drive the axis rotary oscillation of wrist 39 around presser feet axle 31, the also swing in the horizontal direction of movable cutting knife 35 contacts/separates with fixed cutting tool 34.The upper surface of movable cutting knife 35 is at the downside of fixed cutting tool 34, on one side with the lower surface sliding-contact of fixed cutting tool, swing in the horizontal direction on one side, thus cut off in the cloth that is admitted to cloth guide portion 40, by the cloth of the blade part 35a clamping of the blade part 34a of fixed cutting tool 34 and movable cutting knife 35.
Here, as shown in Figure 3, cloth by the lower surface of presser feet 30 by being pressed on the pedestal part 1a.In addition, then can't cut off cloth, so while movable cutting knife 35 is pushed fixed cutting tool 34 moves because if between fixed cutting tool 34 and movable cutting knife 35, the gap occurs.
If foot pressure adjusting portion 33 is rotated it is screwed into to bearing 31a, then foot pressure regulating spring 32 is pushed and is compressed to foot pressure adjusting portion 33.Foot pressure regulating spring 32 will revert to the elastic force of natural length, acts on the upper end of presser feet axle 31, makes the presser feet 30 of the lower end that is installed in presser feet axle 31 push cloth.
On the other hand, movable cutting knife 35 constitutes, and cuts off cloth in the downside of fixed cutting tool 34 and fixed cutting tool 34 sliding-contacts.If make cutting knife pressure regulating part 38 39b of bearing portion side shifting downwards, be fixed on the movable slitter shaft 36, then cutting knife pressure regulating spring 37 is pushed by the lower end of cutting knife pressure regulating part 38 and is compressed.Cutting knife pressure regulating spring 37 will revert to the elastic force of natural length, acts on the movable slitter shaft 36 via cutting knife pressure regulating part 38, and movable slitter shaft 36 is pushed away upward.If movable slitter shaft 36 is pushed away upward, the upper surface pair that then is fixed on the movable cutting knife 35 on this movable slitter shaft 36 is pushed with the lower surface of the fixed cutting tool 34 of its sliding-contact.
As mentioned above, because foot pressure regulating spring 32 is presser feet 30 pretension downwards, cutting knife pressure regulating spring 37 is opposite up and down direction with movable cutting knife 35 pretension upward so carried out the direction of pretension by each spring.In addition, the upper surface of movable cutting knife 35 acts on the power (cutting knife pressure) of the lower surface of fixed cutting tool 34, upwards acts on the presser feet 30 via fixed cutting tool 34.
Thus, presser feet 30 is pushed the power (foot pressure) of cloth, becomes to deduct cutting knife pressure regulating spring 37 push amount after the power of movable cutting knife 35 from foot pressure regulating spring 32 is pushed the power of presser feet 30.Thus, for example reduce under the situation of pressing force of 30 pairs of clothes of presser feet in this hope of cloth of making thin clothing as far as possible, as long as foot pressure regulating spring 32 is pushed the amount of the power (foot pressure) of presser feet 30, be adjusted into the amount of pushing the power (cutting knife pressure) of movable cutting knife 35 and get final product a little more than cutting knife pressure regulating spring 37.Thus, can realize making the foot pressure of cloth to be less than or equal to this current insurmountable problem of cutting knife pressure of 35 pairs of fixed cutting tools 34 of movable cutting knife.
Thus, can when keep, regulate the foot pressure of 30 pairs of clothes of presser feet, thereby can not be restricted because of the cutting knife pressure of movable 35 pairs of fixed cutting tools 34 of cutting knife to the required cutting knife pressure of fixed cutting tool 34 effect cut-out clothes.
[the 2nd embodiment]
Below, the 2nd embodiment of the cloth cut off device of the Sewing machines that the present invention relates to is described.
In addition, because the part that the cloth cut off device of the cloth cut off device 4 of the 2nd embodiment and the 1st embodiment 3 is different, be that fixed cutting tool 34 is fixed on this point on sewing machine stand 1 rather than the presser feet 30, so explain difference, to the structural element common, mark identical label and omit explanation with the 1st embodiment.
As Fig. 6～shown in Figure 8,, the supporter 50 that extends towards the Sewing machines below is linked with this arm 1b and fix at the front end of the arm 1b of sewing machine stand 1.
Near the lower end of supporter 50 the side and the sidepiece butt of presser feet 30, thus restriction makes that presser feet 30 can be around the axle center rotation of presser feet axle 31.In the lower end of supporter 50, utilize fixedly fixed cutting tool 34 of hold-down screw 51.Fixed cutting tool 34 is configured to, and in the side of presser feet 30, passes the through hole S that is formed between sheet material 30a and the sheet material 30b, makes the blade part 34a of its front end be positioned at the furcation office of presser feet 30.This through hole S as shown in Figure 8, form size with enough spaces, so that movable cutting knife 35 is under the state that the upper surface and the lower surface of fixed cutting tool 34 enters, even the situation that presser feet 30 is moved upward corresponding to fabric thickness, fixed cutting tool 34 and movable cutting knife 35 can not interfered with presser feet 30 yet.
Periphery at movable slitter shaft 36 embeds cutting knife pressure regulating spring 37, and it can freely stretch on the axis direction of movable slitter shaft 36.Cutting knife pressure regulating spring 37 is configured between 39a of bearing portion and the 39b of bearing portion, and the upper end is set to the lower surface butt with the 39a of bearing portion of upside.
Below cutting knife pressure regulating spring 37, and on the movable slitter shaft 36 between 39a of bearing portion and the 39b of bearing portion, insert cutting knife pressure regulating part 38.Cutting knife pressure regulating part 38 is set to, and can freely change its fixed position along the vertical direction between 39a of bearing portion and the 39b of bearing portion.Specifically, cutting knife pressure regulating part 38 forms by clasping parts, by utilizing hold-down screw cutting knife pressure regulating part 38 is fixed on the movable slitter shaft 36, thereby can be fixed on the movable slitter shaft 36.
In addition, the lower surface butt of the upper end of cutting knife pressure regulating part 38 and cutting knife pressure regulating spring 37.Because the upper end of cutting knife pressure regulating spring 37 and the 39b of bearing portion butt, invariant positionization, so can utilize the fixed position of cutting knife pressure regulating part 38 with respect to movable slitter shaft 36, the decrement of cutting knife pressure regulating spring 37 is changed, thereby regulate the pressing force of 35 pairs of fixed cutting tools 34 of movable cutting knife.Specifically, because cutting knife pressure regulating part 38 is fixed on the position near the 39a of bearing portion of upside more, the decrement of cutting knife pressure regulating spring 37 increases more, increases more so act on the elastic force of cutting knife pressure regulating part 38.Its result, the power that the movable slitter shaft 36 that is fixed with cutting knife pressure regulating part 38 is pushed downwards increases, and can increase the power (cutting knife pressure) that the lower surface of movable cutting knife 35 is pushed to the upper surface of the fixed cutting tool 34 that is positioned at the below.Promptly, cutting knife pressure regulating spring 37 utilizes the elastic force that will revert to natural length that is produced by self compression, via cutting knife pressure regulating part 38 and movable slitter shaft 36, movable cutting knife 35 is pushed downwards, played the effect that the lower surface of this movable cutting knife 35 is pushed to the upper surface of fixed cutting tool 34.
＜action effect 〉
Action effect to cloth cut off device 4 describes.
By the driving of sewing machine electromotor, via drive transmission mechanism, cutter driving wrist 39 is around the axis rotary oscillation of presser feet axle 31, and movable cutting knife 35 also moves to fixed cutting tool 34.The lower surface of movable cutting knife 35 is at the upside of fixed cutting tool 34, and one side contacts with the upper surface slide of fixed cutting tool, moves on one side, with the blade part 34a of the cutting knife 34 that is fixed and the cloth cut-out of the blade part 35a clamping of movable cutting knife 35.
Here, as shown in Figure 7, cloth by the lower surface of presser feet 30 by being pressed on the pedestal part 1a.In addition,, then cloth can't be cut off, so while fixed cutting tool 35 is pushed fixed cutting tool 34 moves because if between fixed cutting tool 34 and movable cutting knife 35, the gap occurs.
If foot pressure adjusting portion 33 is rotated it is screwed into to bearing 31a, then foot pressure regulating spring 32 is pushed by pressure regulating part 33 and is compressed.Foot pressure regulating spring 32 will revert to the resilient force of natural length in the upper end of presser feet axle 31, and the presser feet 30 that is installed on the presser feet axle 31 is pushed cloth.
On the other hand, movable cutting knife 35 constitutes, in the upside of fixed cutting tool 34 and fixed cutting tool 34 sliding-contacts and cloth is cut off, if make cutting knife pressure regulating part 38 upward the 39a of bearing portion side shifting and be fixed on the movable slitter shaft 36, then cutting knife pressure regulating spring 37 is pushed by cutting knife pressure regulating part 38 and is compressed.Cutting knife pressure regulating spring 37 will revert to the elastic force of natural length, acts on the movable slitter shaft 36 via cutting knife pressure regulating part 38, and movable slitter shaft 36 is pushed downwards.If movable slitter shaft 36 is pushed downwards, then be fixed on the movable cutting knife 35 on the movable slitter shaft 36, utilize on the upper surface of lower surface by the fixed cutting tool 34 that is pressed in sliding-contact with it.
Here, because fixed cutting tool 34 is fixed on the supporter 50 that is arranged on the arm 1b rather than on the presser feet 30, so even movable cutting knife 35 is pushed fixed cutting tool 34 with fixed cutting tool 34 sliding-contacts, this pressing force also can be passed to arm 1b from fixed cutting tool 34, therefore can not be passed to presser feet 30.
Thus, the pressing force of movable 35 pairs of fixed cutting tools 34 of cutting knife can not be superimposed upon on the foot pressure (foot pressure) of 30 pairs of clothes of presser feet.Therefore, can with the cutting knife pressure independent ground of movable cutting knife 35, the foot pressure of free adjustment presser feet 30.That is to say, can realize this current insurmountable problem of cutting knife pressure that makes foot pressure be less than or equal to 35 pairs of fixed cutting tools 34 of movable cutting knife.
Thus, can when keep, regulate the foot pressure of presser feet 30, thereby can not be restricted because of the cutting knife pressure of movable 35 pairs of fixed cutting tools 34 of cutting knife to the required cutting knife pressure of fixed cutting tool 34 effect cut-out clothes.
In addition, in the 2nd embodiment, fixed cutting tool 34 is fixed on the supporter 50 on the arm 1b that is arranged at sewing machine stand 1, but also can be fixed on other parts of Sewing machines, so long as the invariant position of fixed cutting tool 34, and the position that 30 actions do not have to influence to presser feet gets final product.In addition, in the 2nd embodiment, constitute the lower surface that makes movable cutting knife 35 is pushed fixed cutting tool 34 from the top upper surface, but also can shown in the 1st embodiment, constitute the upper surface that makes movable cutting knife 35 is pushed fixed cutting tool 34 from the below lower surface.
[the 3rd embodiment]
Below, the 3rd embodiment of the cloth cut off device of the Sewing machines that the present invention relates to is at length described.
In addition, because the part that the cloth cut off device of the cloth cut off device 5 of the 3rd embodiment and the 1st embodiment 3 is different, be to link presser feet axle 31 and movable slitter shaft 36 this point by linking parts 60, so detailed description difference, for the structural element common, mark identical label and omit explanation with the 1st embodiment.
Shown in Fig. 9,10, movable cutting knife 35 is fixed on the fixed station 35a, so that when cutter driving wrist 39 is the center rotary oscillation with presser feet axle 31, and the upper surface butt of the lower surface of this movable cutting knife 35 and fixed cutting tool 34.
Cutting knife pressure regulating spring 37 embeds the periphery of movable slitter shaft 36, freely stretches on the axis direction of this movable slitter shaft 36.The lower surface butt of the upper end of cutting knife pressure regulating spring 37 and binding parts 60 described later, the upper end butt of lower end and movable cutting knife adjustment part.
In the periphery of movable slitter shaft 36, insertion cutting knife pressure regulating part 38 between the upper surface of the lower end of cutting knife pressure regulating spring 37 and the 39b of bearing portion.Cutting knife pressure regulating part 38 is set to, and can freely change the fixed position along its above-below direction between 39a of bearing portion and the 39b of bearing portion.Specifically, cutting knife pressure regulating part 38 forms by clasping parts, utilizes hold-down screw that cutting knife pressure regulating part 38 is fixed on the movable slitter shaft 36.
Linking parts 60 is the parts of long plate shape, has hole 60a, 60b that above-below direction connects at the both ends of length direction.Hole 60a is chimeric with movable slitter shaft 36, so that it can rotate, and moves up at upper and lower.Hole 60b and presser feet axle 31 are chimeric, and it can be rotated.Link the chimeric attitude that keep level of parts 60 by hole 60b and presser feet axle 31.
The top of the axle collar 61 and driving wrist 39 butts, below and binding parts 60 butts, and chimeric and fixing with presser feet axle 31.
Linking parts 60 with cutter driving wrist 39, is the axle center rotary oscillation with presser feet axle 31.The lower surface that links parts 60 applies power by cutting knife pressure regulating spring 37, and upper surface is positioned at the height with the lower end butt of the axle collar 61.
In addition, because the upper end butt of cutting knife pressure regulating spring 37 and cutting knife pressure regulating part 38 so can utilize the fixed position of cutting knife pressure regulating part 38 with respect to movable slitter shaft 36, is regulated the pressing force of 35 pairs of fixed cutting tools 34 of movable cutting knife.Specifically, because cutting knife pressure regulating part 38 is fixed near the position that links parts 60 more, the decrement of cutting knife pressure regulating spring 37 increases more, so the elastic force that acts on the cutting knife pressure regulating part 38 increases more.Its result, the power that the movable slitter shaft 36 that is fixed with cutting knife pressure regulating part 38 is pushed downwards increases, and can increase the power that the lower surface of movable cutting knife 35 is pushed to the upper surface of the fixed cutting tool 34 that is positioned at the below.Promptly, cutting knife pressure regulating spring 37 utilizes by self flexible elastic force that will revert to natural length that causes, via cutting knife pressure regulating part 38 and movable slitter shaft 36 movable cutting knife 35 is pushed downwards, thereby played the effect that the lower surface of this movable cutting knife 35 is pushed to the upper surface of fixed cutting tool 34.
＜action effect 〉
Action effect to cloth cut off device 5 describes.
By the driving of sewing machine electromotor, via drive transmission mechanism, cutter driving wrist 39 is around the axis rotary oscillation of presser feet axle 31, and movable cutting knife 35 is swing in the horizontal direction also, with fixed cutting tool 34 contact separations.The lower surface of movable cutting knife 35 is at the upside of fixed cutting tool 34, contact with the upper surface slide of fixed cutting tool on one side, swing is in the horizontal direction on one side cut off in the cloth of sending into cloth guide portion 40, the cloth of the blade part 35a clamping of the blade part 34a of the cutting knife 34 that is fixed and movable cutting knife 35.
Here, cloth by the lower surface of presser feet 30 by being pressed on the pedestal part 1a.In addition,, then cloth can't be cut off, so while fixed cutting tool 35 is pushed fixed cutting tool 34 moves because if between fixed cutting tool 34 and movable cutting knife 35, the gap occurs.
If foot pressure adjusting portion 33 is rotated, and it is screwed into to bearing 31a, then foot pressure regulating spring 32 is pushed by foot pressure adjusting parts 33 and is compressed.Foot pressure regulating spring 32 will revert to the elastic force of natural length, acts on the upper end of presser feet axle 31, and the presser feet 30 that is installed on the presser feet axle 31 is pushed cloth.
On the other hand, movable cutting knife 35 constitutes in the upside of fixed cutting tool 34 and fixed cutting tool 34 sliding-contacts cloth is cut off, if make cutting knife pressure regulating part 38 upward binding parts 60 side shiftings and be fixed on the movable slitter shaft 36, then cutting knife pressure regulating spring 37 is pushed by cutting knife pressure regulating part 38 and is compressed.Cutting knife pressure regulating spring 37 will revert to the elastic force of natural length, acts on the movable slitter shaft 36 via cutting knife pressure regulating part 38, and movable slitter shaft 36 is pushed downwards.If movable slitter shaft 36 is pushed downwards, then be fixed on the lower surface of the movable cutting knife 35 on the movable slitter shaft 36, to below push with the upper surface of the fixed cutting tool 34 of its sliding-contact.
Here, movable cutting knife regulating spring 37 will revert to the elastic force that makes progress of natural length, bear by presser feet 30 via linking parts 60, the axle collar 61, presser feet axle 31, downward elastic force is born by presser feet 30 via cutting knife pressure regulating part 38, movable slitter shaft 36, movable cutting knife 35, fixed cutting tool 34.Thus, the pressing force of cutting knife pressure regulating spring 37 is because in presser feet 30 inner equilibriums, and can not act on the outside of presser feet 30, so can not bring influence to the power that presser feet 30 is pushed cloth.
Thus, can with the pressing force of movable cutting knife 35 pressing force of 30 pairs of clothes of free adjustment presser feet irrespectively.That is to say, can realize making the pressing force of cloth to be less than or equal to this current insurmountable problem of cutting knife pressing force.
Therewith, can when keep, regulate the pressing force of 30 pairs of clothes of presser feet, and can not be restricted because of the pressing force of movable 35 pairs of fixed cutting tools 34 of cutting knife to the required pressing force of fixed cutting tool 34 effect cut-out clothes.
Claims (4)
1. the cloth cut off device of a Sewing machines, it has:
Presser feet axle (31), it is arranged on the framework (1) of Sewing machines, can move up at upper and lower;
Foot pressure regulating spring (32), it is with the axial below of aforementioned presser feet pretension;
Presser feet (30), the lower end that it is arranged on aforementioned presser feet axle utilizes the pretension of aforementioned foot pressure regulating spring and cloth is pushed downwards;
Fixed cutting tool (34), it is arranged on the aforementioned presser feet;
Movable cutting knife (35), it moves in the horizontal direction; And
Cutting knife pressure regulating spring (37), its with aforementioned movable cutting knife to aforementioned fixed cutting tool pretension,
This cloth cut off device by the co-operating of aforementioned fixation cutting knife and aforementioned movable cutting knife, will cut off to the cloth that the cloth guide portion (40) that is arranged on the aforementioned presser feet is sent into,
It is characterized in that,
Aforementioned movable cutting knife is configured to, can contact with the aforementioned fixation cutting knife from downside on one side, Yi Bian move in the horizontal direction,
Aforementioned cutting knife pressure regulating spring is with aforementioned movable cutting knife pretension upward.
2. the cloth cut off device of a Sewing machines, it has:
Presser feet axle (31), it is arranged on the framework (1) of Sewing machines, can move up at upper and lower;
Foot pressure regulating spring (32), it is with the axial below of aforementioned presser feet pretension;
Presser feet (30), the lower end that it is arranged on aforementioned presser feet axle utilizes the pretension of aforementioned foot pressure regulating spring and cloth is pushed downwards;
Fixed cutting tool (34);
Movable cutting knife (35), it moves in the horizontal direction; And
Cutting knife pressure regulating spring (37), its with aforementioned movable cutting knife to aforementioned fixed cutting tool pretension,
This cloth cut off device by the co-operating of aforementioned fixation cutting knife and aforementioned movable cutting knife, will cut off to the cloth that the cloth guide portion (40) that is arranged on the aforementioned presser feet is sent into,
It is characterized in that,
The aforementioned fixation cutting knife is fixed on the framework of Sewing machines, passes the through hole that is arranged on aforementioned presser feet side, and the leading section of aforementioned fixation cutting knife is configured in the aforementioned cloth guide portion that is arranged on the aforementioned presser feet.
3. the cloth cut off device of a Sewing machines, it has:
Presser feet axle (31), it is arranged on the framework (1) of Sewing machines, can move up at upper and lower;
Foot pressure regulating spring (32), it is with the axial below of aforementioned presser feet pretension;
Presser feet (30), the lower end that it is arranged on aforementioned presser feet axle utilizes the pretension of aforementioned foot pressure regulating spring and cloth is pushed downwards;
Fixed cutting tool (34), it is arranged on the aforementioned presser feet;
Movable cutting knife (35), it moves in the horizontal direction;
Attaching parts (60), it links aforementioned presser feet axle and the movable slitter shaft (36) that aforementioned movable cutting knife is fixed; And
Cutting knife pressure regulating spring (37), its with aforementioned movable cutting knife to aforementioned fixed cutting tool pretension,
This cloth cut off device by the co-operating of aforementioned fixation cutting knife and aforementioned movable cutting knife, will cut off to the cloth that the cloth guide portion (40) that is arranged on the aforementioned presser feet is sent into,
It is characterized in that,
Aforementioned movable cutting knife is configured to, can contact with the aforementioned fixation cutting knife from upside on one side, Yi Bian move in the horizontal direction,
Aforementioned cutting knife pressure regulating spring is with aforementioned movable cutting knife pretension downwards.
4. as the cloth cut off device of claim 1 or 3 described Sewing machiness, it is characterized in that,
Aforementioned cutting knife pressure regulating spring with aforementioned movable cutting knife is carried out the opposite end of pretension one side, aforementioned presser feet axle is carried out pretension.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008065934A JP2009219600A (en) | 2008-03-14 | 2008-03-14 | Fabric cutting device for sewing machine |
| JP2008065934 | 2008-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101532219A true CN101532219A (en) | 2009-09-16 |
Family
ID=41103072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910117886A Pending CN101532219A (en) | 2008-03-14 | 2009-03-13 | Device for cutting cloth of sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2009219600A (en) |
| CN (1) | CN101532219A (en) |
| TW (1) | TW201002894A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114389A (en) * | 2011-11-16 | 2013-05-22 | 飞马缝纫机制造株式会社 | Cutting device of sewing machine |
| CN104294486A (en) * | 2014-09-30 | 2015-01-21 | 浙江理工大学 | Device and method for detecting pressure of presser foot of sewing machine |
| CN105780321A (en) * | 2014-12-22 | 2016-07-20 | Juki株式会社 | Sewing machine with cloth strip cutters |
| CN107268193A (en) * | 2016-04-04 | 2017-10-20 | 大和缝纫机制造株式会社 | Sewing machine |
| CN113151991A (en) * | 2021-04-26 | 2021-07-23 | 浙江欣普自动化科技有限公司 | Strip cutting structure of splicing machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460648B (en) * | 2016-06-03 | 2019-08-16 | 杰克缝纫机股份有限公司 | Presser foot component, Anchor plate kit, Material moving device and control method, sewing device |
| CN108301132B (en) * | 2018-04-14 | 2023-08-22 | 浙江中捷缝纫科技有限公司 | Cutter device of sewing machine |
| CN110524614A (en) * | 2018-05-23 | 2019-12-03 | 天津宝盈电脑机械有限公司 | A kind of cutter cutting flexible sandwich cotton face fabric |
| CN109704112B (en) * | 2019-03-06 | 2024-03-08 | 扬州恒得利纺织机械有限公司 | Vertical slitting machine with sectional electric control adjustment movable cloth feeding gantry device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11487A (en) * | 1997-06-11 | 1999-01-06 | Yamato Sewing Mach Co Ltd | Presser foot for sewing machine |
-
2008
- 2008-03-14 JP JP2008065934A patent/JP2009219600A/en active Pending
-
2009
- 2009-03-13 TW TW98108221A patent/TW201002894A/en unknown
- 2009-03-13 CN CN200910117886A patent/CN101532219A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114389A (en) * | 2011-11-16 | 2013-05-22 | 飞马缝纫机制造株式会社 | Cutting device of sewing machine |
| CN103114389B (en) * | 2011-11-16 | 2016-05-18 | 飞马缝纫机制造株式会社 | The cloth-cutting apparatus of sewing machine |
| TWI553180B (en) * | 2011-11-16 | 2016-10-11 | Pegasus Sewing Machine Mfg Co | Sewing machine for cutting machine |
| CN104294486A (en) * | 2014-09-30 | 2015-01-21 | 浙江理工大学 | Device and method for detecting pressure of presser foot of sewing machine |
| CN105780321A (en) * | 2014-12-22 | 2016-07-20 | Juki株式会社 | Sewing machine with cloth strip cutters |
| CN105780321B (en) * | 2014-12-22 | 2021-02-09 | Juki株式会社 | Sewing machine with cloth strip cutter |
| CN107268193A (en) * | 2016-04-04 | 2017-10-20 | 大和缝纫机制造株式会社 | Sewing machine |
| CN113151991A (en) * | 2021-04-26 | 2021-07-23 | 浙江欣普自动化科技有限公司 | Strip cutting structure of splicing machine |
| CN113151991B (en) * | 2021-04-26 | 2022-05-03 | 浙江欣普自动化科技有限公司 | Strip cutting structure of splicing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201002894A (en) | 2010-01-16 |
| JP2009219600A (en) | 2009-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101532219A (en) | Device for cutting cloth of sewing machine | |
| CN201525941U (en) | Presser foot and sewing machine | |
| CN103710905B (en) | Buttonholing machine | |
| CN101008133A (en) | Method and apparatus for sewing sock head | |
| CN101319436A (en) | Sewing machine and method for operating such a sewing machine | |
| CN101638834B (en) | Panel strip sewing machine | |
| CN101435139A (en) | Single needle switching apparatus of double-needle sewing machine | |
| CN1840763B (en) | Darning width adjusting device for sewing machine | |
| CN101275345A (en) | Sewing machine | |
| CN101831768A (en) | Thread cutting device for sewing machine | |
| CN101245533B (en) | Panel strip sewing machine | |
| CN101285247A (en) | Sewing machine for sewing ornaments | |
| CN1908279B (en) | Cutting cloth device for buttonhole sewing machine | |
| CN1944751B (en) | Clamping foot device for edge sewing machine | |
| CN1924146B (en) | Sartorius and needle pole driving device for sartorius | |
| CN202164434U (en) | Sewing machine with decorative piece delivery device | |
| CN101525815B (en) | Buttonhole serging machine | |
| CN101684591A (en) | Band tailoring sewing machine | |
| CN1676715B (en) | Device for driving spacing presser foot up and down and sewing machine | |
| CN100366812C (en) | Buttonhole sewing machine | |
| CN101245532A (en) | Panel strip sewing machine | |
| CN101424012A (en) | Hemming machine | |
| CN1904180B (en) | Cloth-feeding device for seamer | |
| CN103114389B (en) | The cloth-cutting apparatus of sewing machine | |
| JP5468222B2 (en) | Sewing sewing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090916 |