CN101046041B - Dust removing construction for sewing machine - Google Patents
Dust removing construction for sewing machine Download PDFInfo
- Publication number
- CN101046041B CN101046041B CN2007100866076A CN200710086607A CN101046041B CN 101046041 B CN101046041 B CN 101046041B CN 2007100866076 A CN2007100866076 A CN 2007100866076A CN 200710086607 A CN200710086607 A CN 200710086607A CN 101046041 B CN101046041 B CN 101046041B
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- take
- dust
- sewing machines
- bowl cover
- tension lever
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Abstract
The present invention provides a dust removing constitution of a sewing machine arranging bonding pieces (31, 33, 35) in section directing to shell section (4) in internal space, wherein, said cover (34) covers the lower surface of the head (5) of the top of the machine shell, said panel covers external shell, said side plate covers a part of the rear side surface of the machine shell section. The cover and the panel and the side plate are installed on the shell section and can be discharged from the same, that is, the bonding piece directs to the internal space of the shell section. And, belt type bonding piece (18) is arranged on internal surface of the wire picking bar cover (17) covering the outside of the wire picking bar. Thus, the dust is prevented to be adsorbed on grease lubricant filled in the sliding section in the shell, which can prevent the deterioration of the grease lubricant, and improves the durability of the grease lubricant.
Description
Technical field
The present invention relates to a kind of dust removing construction of Sewing machines, be particularly related to a kind of like this dust removing construction of Sewing machines, promptly, it is used to adsorb the dust that the inner space of casing portion was invaded or invaded to desire, not allowing a large amount of dust be adsorbed onto on the lubricating grease of being filled on the sliding part in the casing portion, thereby prevent the deterioration of lubricating grease.
Background technology
In the prior art, various Sewing machiness such as sewing machine for covering chain stitch have base plate, post portion and casing portion etc., and wherein, described post portion extends upward from the right part of base plate, described casing portion from the upper end of post portion to extend to left with base plate mode in opposite directions.In these Sewing machiness, be provided with machine spindle in the inside of casing portion.Wherein, directly drive machine spindle, that is, adopt the Sewing machines of so-called direct drive mode increasing gradually by the electrical motor of sewing machine set in the inside of casing portion.
For example, Japan Patent discloses the built-in Sewing machines of being put down in writing in 1992 No. 8393 communique of drive unit and has stem portion (post portion) and casing portion, wherein, described stem portion uprightly is arranged on the base plate of Sewing machines, and described casing portion extends to horizontal direction from stem portion.Upper end in stem portion is provided with electrical motor of sewing machine, and the driving shaft of electrical motor of sewing machine is connected by shaft coupling with machine spindle, and electrical motor of sewing machine directly drives machine spindle.
In the built-in Sewing machines of this drive unit, motor driving shaft is provided with cooling fan, when sewing, electrical motor of sewing machine rotates, meanwhile cooling fan also rotates, by sending cooling air to electrical motor of sewing machine from cooling fan, thus the electrical motor of sewing machine that cooling is generated heat in the driving process.
The Sewing machines run duration beginning sewing is because of moving up and down of the thread take-up tension lever dust such as line bits that upper thread produced that rub, from being arranged on thread take-up tension lever in the casing portion by invading in the casing portion with peristome.In addition, invade in the casing portion with the lower ending opening portion of the dust that friction produced of processing cloth because of presser feet from casing portion top.Especially, with regard to the no fuel feeding Sewing machines that does not adopt oil lubrication, have small-sized lubricating grease on the sliding part in casing portions such as needle bar frame and bearing respectively and accumulate the place, wherein, moving up and down of described needle bar frame supporting shank, described bearing supporting machine spindle also makes the relative bearing of machine spindle rotatable.Because a large amount of dust of invading in the casing portion is adsorbed on the lubricating grease that these sliding parts are filled, so, impelled the deterioration of lubricating grease, its durability is significantly descended.At this moment, because of the lubricity of lubricating grease reduces, thus increased the resistance to sliding of shank or machine spindle at sliding part, thus might on these sliding parts, produce sintering.
As the built-in Sewing machines of above-mentioned drive unit, under the situation that is provided with cooling fan in order to cool off electrical motor of sewing machine, because of the rotation of cooling fan makes in a large amount of air flow casing portions, become the environment that lubricating grease is easier to adsorb a large amount of dust in the casing portion, thus the deterioration of easier promotion lubricating grease.
Summary of the invention
The objective of the invention is to, in the dust removing construction of Sewing machines, do not allow a large amount of dust be adsorbed onto on the lubricating grease of being filled on the sliding part in the casing portion, prevent the deterioration of lubricating grease, improve the durability of lubricating grease.
The dust removing construction of the Sewing machines of technical scheme 1 has plate member and dust suction material, wherein, described plate member is installed in the casing portion in the mode towards the inner space of casing portion, and detachable with respect to casing portion, described dust suction material be arranged on plate member on the part of inner space.
According to the invention of technical scheme 1, the dust suction material is arranged on the part of the inner space of casing portion, in the sewing process, can produce and invade the dust of the inner space of casing portion by the outside that described dust suction material is adsorbed on Sewing machines.Therefore, dust can not be adsorbed onto on the lubricating grease of being filled on the sliding part in the casing portion.Its result can prevent the deterioration of lubricating grease, improves the durability of lubricating grease.Meanwhile, the lubricity that can suppress lubricating grease reduces, the sintering of the sliding part in the prevention casing portion.
In addition, because of installing plate parts removably, so, when the dust of absorption is accumulated on the dust suction material, can be from Sewing machines stripper parts, or change the dust suction material, or remove dust adsorbed on the dust suction material, keep the absorption property of its regulation with this.
In the dust removing construction of the Sewing machines of technical scheme 2, plate member is any one or a plurality of parts among lid, panel and the side plate, wherein, described lid covers the lower surface of the head on casing portion top, described panel covers the outer surface of the left part of said machine casing portion, and described side plate covers the part of the rear surface side of said machine casing portion.
According to the invention of technical scheme 2, can be simply unload lower plate member or plate member is installed on the Sewing machines from Sewing machines, also can carry out the maintenance of dust suction material simply.
In the dust removing construction of technical scheme 3 and 4 Sewing machines, dust suction material any among lubricated adipose membrane, bonding material film and the oil film.
According to the invention of technical scheme 3 and 4, available simple structure realizes dust removing construction.
In the dust removing construction of the Sewing machines of technical scheme 5-8, also have take-up bowl cover and dust suction material, wherein, described take-up bowl cover covers the thread take-up tension lever outside, and described dust suction material is arranged on the inner surface of this take-up bowl cover.
According to the invention of technical scheme 5-8, can adsorb effectively because of moving up and down of the thread take-up tension lever dust such as line bits that upper thread produced that rub, can reduce the amount of dust of the inner space of the casing portion that invades Sewing machines.
In the dust removing construction of the Sewing machines of technical scheme 9, also has plastic brush device, forming inner surface side or the outer surface side of thread take-up tension lever by the wall portion of usefulness peristome, described brush device to thread take-up tension lever by stretching out with peristome and contacting with thread take-up tension lever, wherein, described thread take-up tension lever is by being arranged on the head on casing portion top with peristome.
According to the invention of technical scheme 9 because the Electrostatic Absorption dust that on brush device, produced with contacting of thread take-up tension lever, so can prevent reliably dust from thread take-up tension lever by invade the inner space of casing portion with peristome.
In the dust removing construction of the Sewing machines of technical scheme 10, brush device has adhesive band base and brush base material, wherein, described adhesive band base can bond on the inner surface side of above-mentioned wall portion or the outer surface side and have pliability, and described brush base material is formed on these adhesive band bases.
According to the invention of technical scheme 10, when dust is accumulated, can peel off brush device from wall portion on brush device, change brush device simply.Its result can keep the absorption property of its regulation.
Description of drawings
Fig. 1 is the stereogram of the crosspointer sewing machine for covering chain stitch of embodiment of the present invention.
Fig. 2 is the exploded perspective view of crosspointer sewing machine for covering chain stitch and panel, side plate and lid.
Fig. 3 is the left view of crosspointer sewing machine for covering chain stitch.
Fig. 4 be remodeling embodiment the crosspointer sewing machine for covering chain stitch head want portion's amplification stereogram.
Fig. 5 is the drawing in side sectional elevation of Sewing machines framework, brush device and thread take-up tension lever when on the inner surface side of Sewing machines framework brush device being set.
Fig. 6 is the drawing in side sectional elevation of Sewing machines framework, brush device and thread take-up tension lever when on Sewing machines frame outer side brush device being set.
Fig. 7 is the front view of brush device.
Fig. 8 be another remodeling of expression embodiment the crosspointer sewing machine for covering chain stitch internal mechanism want portion's profilograph.
The specific embodiment
The dust removing construction of Sewing machines of the present invention is as follows, that is, lid, panel and side plate are installed in the casing portion in the mode towards the inner space of casing portion, and casing portion is detachable relatively, wherein, the inner surface portion towards casing portion inner space at lid, panel and side plate forms the dust suction material.In addition, on the inner surface of the take-up bowl cover that covers the thread take-up tension lever outside, the dust suction material is set.
Below, based on accompanying drawing embodiments of the present invention are described.Present embodiment is an example when execution is of the present invention on the crosspointer sewing machine for covering chain stitch.As Fig. 1～shown in Figure 3, the formation main body of crosspointer sewing machine for covering chain stitch 1 comprises base plate 2, post portion 3, casing portion 4, wherein, described post portion 3 uprightly is provided with upward from the right part of base plate 2, described casing portion 4 from the upper end of post portion 3 to extend to left with base plate 2 mode in opposite directions.Head 5 is the head portion of accommodating the casing portion 4 of following shank 20 1 sides.Post portion 3 has bar of backstitching 7 and degree scale dish 8 etc., and wherein, the described bar 7 that backstitches is used to backstitch, and described degree scale dish 8 is used to regulate the needle gage that backstitches.Over cap 9 is installed on the right part of post portion 3, is provided with handwheel 10 on the right side of over cap 9.
The inner space of casing portion 4 has following mechanism: the upwardly extending machine spindle of right and left (omitting diagram), be used to drive the electrical motor of sewing machine (omitting diagram) that shank 20 moves up and down, make the shank up-down mechanism that shank 20 moves up and down (omitting diagram), make thread take-up tension lever up-down mechanism (omitting diagram) that thread take-up tension lever 16 moves up and down etc.
On the left part of casing portion 4, the panel 30 of the outer surface that covers casing portion 4 is installed, in the rear surface side of the right end portion of casing portion 4, the side plate 32 of a part that covers this side surface is installed.At the lower surface of head 5, the lid 34 that covers this lower surface is installed, lid 34 has shank 20 and runs through the peristome 34a of usefulness and the peristome 34b that depression bar 22 runs through usefulness.In addition, panel 30 and side plate 32 and cover 34 and be equivalent to plate member respectively.
In base plate 2, have cloth feeding mechanism (omitting diagram), rotating shuttle (omitting diagram) and lower shaft etc., wherein, rotate synchronously during the moving up and down of described rotating shuttle and two suture needles 21 and upper thread and bottom line are interweaved, described two suture needles 21 are installed in the bottom of shank 20, and described lower shaft will be sent to from the rotary driving force of electrical motor of sewing machine on the vertical shuttle.Electrical motor of sewing machine is arranged at the upper end of post portion 3 in the mode along left and right directions.
Next, the shank up-down mechanism is described simply, be connected with needle bar crank in the left part of machine spindle, by toggle-action lever and needle bar frame, shank 20 is connected on the needle bar crank in the mode that can move up and down.Rear side at shank 20 has the depression bar 22 that can move up and down, and removably presser feet 23 is installed in the bottom of depression bar 22.The sliding part of bearing and needle bar frame has small-sized lubricating grease and accumulates the place, and is filled with lubricating grease at the lubricating grease place of accumulating.In between handwheel 10 and the post portion 3, between handwheel 10 and the over cap 9 and gap that is formed with ventilation usefulness between electrical motor of sewing machine and the over cap 9 respectively.
Next, based on Fig. 2, Fig. 3 dust removing construction is described, described dust removing construction is used to remove the dust that desire is invaded or invaded the inner space of casing portion 4.On the left part of casing portion 4, by two screws 36 panel 30 is installed removably, on the rear surface side of the right end portion of casing portion 4, side plate 32 is installed removably by 7 screws.Lid 34 has lower board unit 34c and 2 installation portion 34d, and these 2 installation portion 34d are crooked upward in the rear end, the left and right sides of lower board unit 34c.Lid 34 is installed on head 5 removably, and its concrete mounting means is as follows: make under the lower surface state of contact of cover 34 lower board unit 34c and head 5, cover 34 installation portion 34d is installed on head 5 by two screws rear surface side.
As the adhesive sheet 31,33,35 of dust suction material, stick on panel 30, side plate 32 respectively and cover 34 on the part of the inner space of casing portion 4.Because of adhesive sheet 31,33,35 constitute separately identical, so, be that representative describes with adhesive sheet 31.Specifically being constructed as follows of adhesive sheet 31: adhesive-applying and on bonding agent, paste peeling paper on two surfaces of the parts of sheet.During use, peel off the peeling paper of adhesive sheet 31 inner surfaces and adhesive sheet 31 is sticked on the panel 30, peel off the peeling paper of adhesive sheet 31 outer surfaces then.Therefore, adhesive sheet 31 is exposed at its outer surface under the state of bonding agent and is sticked on the panel 30.Adsorb the dust of the inner space that invades casing portion 4 by these adhesive sheets 31,33,35.In addition, adhesive sheet 31 and 33 has the little size of ratio panels 30 and side plate 32 respectively, and adhesive sheet 35 has the roughly the same size of lower board unit 34c with lid 34.
Similarly, also be pasted with banded adhesive sheet 18 on the inner surface of take-up bowl cover 17, because of moving up and down of thread take-up tension lever 16 dust such as line bits that upper thread was produced that rub, wherein, described adhesive sheet 18 has the size littler than take-up bowl cover 17 with absorption.In addition, adhesive sheet 18,31,33,35 is equivalent to bonding material film.
Next, effect and the effect to the dust removing construction of Sewing machines describes.Begin sewing and run duration at the crosspointer sewing machine for covering chain stitch, dust invades in the casing portion 4 from covering 34 peristome 34a, 34b and the gap of ventilation usefulness etc., and this dust comprises dust such as line bits that upper thread produced of rubbing because of moving up and down of thread take-up tension lever 16 and the dust that produces by the friction on presser feet 23 and the processing cloth.The dust that the bonding agent absorption of the outer surface of adhesive sheet 31,33,35 is invaded, as mentioned above, adhesive sheet 31,33,35 sticks on panel 30, the side plate of being installed in the casing portion 4 32 respectively and covers on 34.Even dust also desire from thread take-up tension lever by invading in the casing portion 4 with peristome 15, but the adhesive sheet 18 of being pasted on the inner surface of take-up bowl cover 17 can be adsorbed dust.
In addition, panel 30, side plate 32 and cover 34 and be installed on casing portion 4 removably.Therefore, when the dust of absorption is accumulated on the adhesive sheet 31,33,35, can takes off panel 30, side plate 32 and cover 34 from casing portion 4, or change adhesive sheet 31,33,35, or remove the dust that is adsorbed on the adhesive sheet 31,33,35, keep the absorption property of its regulation with this.And, because of installing and removing panel 30, side plate 32 simply and covering 34, so can carry out the maintenance of dust suction material simply.
Secondly, because of the adhesive sheet 18 on take-up bowl cover 17 that is provided with the outside that covers thread take-up tension lever 16 and the inner surface that is installed on this take-up bowl cover 17, so can adsorb effectively because of moving up and down of the thread take-up tension lever dust such as line bits that upper thread produced that rub, reduce the amount of the dust of the inner space of invading casing portion 4.The adhesive sheet 18 of the band shape of being installed on the inner surface to take-up bowl cover 17 also can be maintained simply.
Secondly, the remodeling example that has partly changed the foregoing description is described.
[1] in the above-described embodiments, except adhesive sheet 18,31,33,35, dust suction material lubricated adipose membrane that also institute directly applies on surface fastener, the plate member surface or other oil film etc.So long as, the dust suction material is set on which parts all can towards inner space and dismountable parts of casing portion 4.
[2] in the above-described embodiments, plate member can be panel 30, side plate 32 and cover 34 among any one parts, also can be wherein a plurality of parts.
[3] in the above-described embodiments, as shown in Figure 4 to 7, has thread take-up tension lever by head 5 with peristome 15, on the inner surface side or outer surface side of Sewing machines framework F (wall portion), plastic brush device 40 can be set, described brush device 40 to thread take-up tension lever by stretching out with peristome 15 and contacting with thread take-up tension lever 16.At this moment, pass through to use the left and right sides of peristome 15 at thread take-up tension lever, by having pliability and adhesive band base 41 that can be bonding plastic brush base material 42 is bonded in inner surface side or the outer surface side of the Sewing machines framework F of head 5, and forms transparent thin dielectric film at thread take-up tension lever 16 places.Thread take-up tension lever 16 is contacting with brush base material 42 when moving up and down with peristome 15 along thread take-up tension lever, thereby produces static on brush base material 42, adsorbs dust by the static that is produced on brush base material 42.
Like this, can prevent reliably dust from thread take-up tension lever by invade the inner space of casing portion 4 with peristome 15.Has thread take-up tension lever by using in the head 5 of peristome 15, can be not on the inner surface side of Sewing machines framework F or outer surface side, brush device 40 be set yet, and on the two ends, the left and right sides of thread take-up tension lever 16 by adhesive band base 41 paste brush base material 42 also can, described brush base material 42 from thread take-up tension lever by stretching out to thread take-up tension lever 16 with peristome 15.Like this, thread take-up tension lever 16 along thread take-up tension lever when moving up and down with peristome 15, brush base material 42 touches thread take-up tension lever by the left and right sides with peristome 15, thereby produces static on brush base material 42.
[4] as shown in Figure 8, with regard to crosspointer sewing machine for covering chain stitch 1A, be provided with electrical motor of sewing machine 50 on the right side of belt pulley 51, in the left side of this electrical motor of sewing machine 50, the cooling fan 52 that is used to cool off electrical motor of sewing machine 50 is fixed on the driving shaft 50a of electrical motor of sewing machine 50.On the driving shaft 50a between cooling fan 52 and the electrical motor of sewing machine 50, be fixed with filter 53.Drive electrical motor of sewing machine 50, then cooling fan 52 begins to rotate, and cools off electrical motor of sewing machine 50 by the air flow in the casing portion 4 that is produced by cooling fan 52.The dust of invading the inner space of casing portion 4 can adsorb by filter 53.
[5] dust removing construction of the present invention is not limited to the crosspointer sewing machine for covering chain stitch, also is applicable to various industrial Sewing machiness or home-use Sewing machines.
Claims (10)
1. the dust removing construction of a Sewing machines, it is characterized in that: it has plate member and dust suction material, wherein, described plate member is installed in the casing portion in the mode towards the inner space of casing portion, and portion is detachable with respect to casing, described dust suction material be arranged on above-mentioned plate member on the part of above-mentioned inner space.
2. the dust removing construction of the Sewing machines of putting down in writing as claim 1, it is characterized in that, described plate member is any one or a plurality of parts among lid, panel and the side plate, wherein, described lid covers the lower surface of the head on casing portion top, described panel covers the outer surface of the left part of said machine casing portion, and described side plate covers the part of the rear surface side of said machine casing portion.
3. the dust removing construction of the Sewing machines of putting down in writing as claim 1 is characterized in that, described dust suction material is in lubricated adipose membrane, bonding material film and the oil film any one.
4. the dust removing construction of the Sewing machines of putting down in writing as claim 2 is characterized in that, described dust suction material is in lubricated adipose membrane, bonding material film and the oil film any one.
5. the dust removing construction of the Sewing machines of putting down in writing as claim 1 is characterized in that it has take-up bowl cover and dust suction material, and described take-up bowl cover covers the thread take-up tension lever outside, and described dust suction material is arranged on the inner surface of this take-up bowl cover.
6. the dust removing construction of the Sewing machines of putting down in writing as claim 2 is characterized in that it has take-up bowl cover and dust suction material, and described take-up bowl cover covers the thread take-up tension lever outside, and described dust suction material is arranged on the inner surface of this take-up bowl cover.
7. the dust removing construction of the Sewing machines of putting down in writing as claim 3 is characterized in that it has take-up bowl cover and dust suction material, and described take-up bowl cover covers the thread take-up tension lever outside, and described dust suction material is arranged on the inner surface of this take-up bowl cover.
8. the dust removing construction of the Sewing machines of putting down in writing as claim 4 is characterized in that it has take-up bowl cover and dust suction material, and described take-up bowl cover covers the thread take-up tension lever outside, and described dust suction material is arranged on the inner surface of this take-up bowl cover.
9. as the dust removing construction of any Sewing machines of being put down in writing of claim 1～8, it is characterized in that, it has plastic brush device, forming inner surface side or the outer surface side of thread take-up tension lever by the wall portion of usefulness peristome, described brush device to thread take-up tension lever by stretching out with peristome and contacting with thread take-up tension lever, wherein, described thread take-up tension lever is by being arranged on the head on said machine casing portion top with peristome.
10. the dust removing construction of the Sewing machines of putting down in writing as claim 9, it is characterized in that, described brush device has adhesive band base and brush base material, described adhesive band base can be bonded on the inner surface side of above-mentioned wall portion or the outer surface side and have pliability, and described brush base material is formed on these adhesive band bases.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006087737A JP2007260060A (en) | 2006-03-28 | 2006-03-28 | Dust removal structure of sewing machine |
| JP087737/2006 | 2006-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101046041A CN101046041A (en) | 2007-10-03 |
| CN101046041B true CN101046041B (en) | 2011-10-19 |
Family
ID=38633648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100866076A Expired - Fee Related CN101046041B (en) | 2006-03-28 | 2007-03-26 | Dust removing construction for sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2007260060A (en) |
| CN (1) | CN101046041B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009189412A (en) * | 2008-02-12 | 2009-08-27 | Brother Ind Ltd | Sewing machine |
| CN107460659B (en) * | 2017-09-21 | 2019-11-12 | 杰克缝纫机股份有限公司 | A kind of cleaning structure of sewing machine |
| CN108787530B (en) * | 2018-07-23 | 2021-02-26 | 湖南东信棉业(常德)有限公司 | Weaving equipment with from cleaning function |
| CN111764063A (en) * | 2020-06-30 | 2020-10-13 | 高邮萤火贸易有限公司 | Industrial sewing machine with prevent static workstation |
| CN114481480B (en) * | 2022-02-18 | 2023-01-24 | 南通舜杰纺织有限公司 | Cloth feeding mechanism of embroidery machine and embroidery machine thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278029A (en) * | 1999-06-17 | 2000-12-27 | 大和缝纫机制造株式会社 | Sewing machine with dust-remover |
| CN2528748Y (en) * | 2002-02-07 | 2003-01-01 | 青岛四洲电力设备有限公司 | Wear-resisting ellipsoidal multiple-pass elbow |
-
2006
- 2006-03-28 JP JP2006087737A patent/JP2007260060A/en active Pending
-
2007
- 2007-03-26 CN CN2007100866076A patent/CN101046041B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278029A (en) * | 1999-06-17 | 2000-12-27 | 大和缝纫机制造株式会社 | Sewing machine with dust-remover |
| CN2528748Y (en) * | 2002-02-07 | 2003-01-01 | 青岛四洲电力设备有限公司 | Wear-resisting ellipsoidal multiple-pass elbow |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2004-228119A 2004.08.12 |
| JP特开平11-33265A 1999.02.09 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101046041A (en) | 2007-10-03 |
| JP2007260060A (en) | 2007-10-11 |
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