CN211595995U - Double-edge hemmer and sewing machine - Google Patents
Double-edge hemmer and sewing machine Download PDFInfo
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- CN211595995U CN211595995U CN201922004493.7U CN201922004493U CN211595995U CN 211595995 U CN211595995 U CN 211595995U CN 201922004493 U CN201922004493 U CN 201922004493U CN 211595995 U CN211595995 U CN 211595995U
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Abstract
The utility model provides a bilateral hemmer and sewing machine belongs to sewing machine accessory field. The double-sided hemmer includes a hemmed barrel, a tongue plate, and two seam forming members. The crimping barrel is provided with an inlet and an outlet, the inner cavity of the crimping barrel gradually shrinks in the direction from the inlet to the outlet, and the width of the outlet is smaller than that of the cloth strips. The tongue plate is arranged in the curling tube and is used for being matched with the tube wall of the curling tube to curl two side edges of the cloth strip passing through the curling tube. The two seam forming pieces are connected with the curling barrel, are positioned in front of the inlet and are arranged at intervals to form a feeding seam opposite to the inlet, the length direction of the feeding seam is parallel to the tongue plate, and the width of the feeding seam is more than or equal to the thickness of the cloth strip and less than twice of the thickness of the cloth strip. The sewing machine comprises the double-edge hemmer. The utility model discloses a bilateral hemmer and sewing machine, folding cloth can be become to sew up the piece and expand when sewing through the feeding to the cloth that makes to get into in the turn-up section of thick bamboo keeps leveling, need not operator manual operation, has reduced manipulation strength.
Description
Technical Field
The utility model belongs to the technical field of sewing machine accessories, more specifically say, relate to a bilateral hemmer and sewing machine.
Background
In the modern textile industry, sewing machines have become increasingly widespread. When sewing a cloth strip hemmed at both sides using a sewing machine, a double-sided hemmer is generally required to curl both sides of the cloth strip toward the middle. When the existing double-side hemmer is used, an operator needs to manually unfold the cloth strips, so that the cloth strips can smoothly enter the hemmer, and the labor intensity of an operator is increased undoubtedly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bilateral hemmer and sewing machine to solve the bilateral hemmer that exists among the prior art and need the manual expansion cloth of operating personnel when using, lead to the great technical problem of operator's intensity of labour.
In order to achieve the above object, the utility model adopts the technical scheme that a bilateral hemmer is provided, include:
the curling barrel is provided with an inlet and an outlet, the inner cavity of the curling barrel gradually shrinks in the direction from the inlet to the outlet, and the width of the outlet is smaller than that of the cloth strips;
the tongue plate is arranged in the curling tube and is used for being matched with the tube wall of the curling tube to curl two side edges of the cloth strip passing through the curling tube; and
the two seam forming pieces are connected with the curling barrel, are positioned in front of the inlet and are arranged at intervals to form a feeding seam opposite to the inlet, the length direction of the feeding seam is parallel to the tongue plate, and the width of the feeding seam is more than or equal to the thickness of the cloth strips and less than twice of the thickness of the cloth strips.
As another embodiment of the present application, the seam forming member is detachably connected to the wall of the inlet end of the crimping barrel.
As another embodiment of the present application, the seam piece includes:
the rear end of the clamping part is provided with a bayonet which is used for being inserted into the cylinder wall at the inlet end of the crimping cylinder; and
the folding part is connected to the front end of the clamping part and used for forming the feeding seam with the other seaming piece.
As another embodiment of the present application, the folding portion is in a long plate shape, and one side edge of the folding portion is connected to the front end of the clamping portion; after the clamping part is clamped with the barrel wall at the inlet end of the crimping barrel, the feeding seam is formed between the other side edge of the folding part and the other seaming piece.
As another embodiment of the present application, the front end of the tongue plate is bent downward to connect with the bottom wall of the inlet end of the crimping barrel; the middle part of the bottom surface of the rear end of the tongue plate is connected with the bottom wall of the outlet end of the crimping barrel through a partition plate, and the cross section of the inner cavity of the outlet end of the crimping barrel is divided into a C shape by the tongue plate and the partition plate.
As another embodiment of the application, a first operation hole communicated with the inner cavity of the crimping barrel is arranged on the top wall of the crimping barrel.
As another embodiment of the present application, a second operation hole opposite to the first operation hole is formed on the tongue plate.
As another embodiment of the present application, the hembar is further provided with a mounting structure for detachable connection to a sewing machine platform.
As another embodiment of the present application, the mounting structure includes:
the longitudinal fixing strip is arranged at the inlet end of the hemming drum and is detachably connected with the sewing machine platform; and
the transverse fixing strip is arranged on one side of the hemming barrel and is detachably connected with the sewing machine platform.
The embodiment of the utility model provides a bilateral hemmer's beneficial effect lies in: compared with the prior art, the utility model discloses bilateral hemmer utilizes two one-tenth seam pieces that are located entry the place ahead to form the feeding seam relative with a turn-up section of thick bamboo entry, and when using, the cloth passes the feeding seam earlier, then gets into a turn-up section of thick bamboo from the entry in. The length direction of the feeding seam is parallel to the tongue plate, the inner cavity of the curling barrel gradually shrinks in the direction from the inlet to the outlet, the width of the outlet is smaller than that of the cloth strip, the cloth strip enters the curling barrel in parallel to the tongue plate after passing through the feeding seam, and two side edges of the cloth strip are curled under the matching of the tongue plate and the barrel wall of the curling barrel. The utility model discloses bilateral hemmer sets the thickness of more than or equal to cloth and is less than the twice of cloth thickness through the width with the feeding seam to for only individual layer cloth just can pass through the feeding seam, can be become when folding cloth passes through the feeding seam and sew up the piece and expand, thereby guarantee that the cloth that gets into in the turn-up section of thick bamboo keeps leveling, need not operator manual operation, reduces labourer's intensity of operation.
The utility model also provides a sewing machine, including above arbitrary bilateral hemmer.
The embodiment of the utility model provides a sewing machine's beneficial effect is the same with the beneficial effect of above-mentioned bilateral hemmer, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a top view of a double-sided hemmer according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
FIG. 4 is a left side view of FIG. 1;
FIG. 5 is a cross-sectional view of FIG. 1;
fig. 6 is a cross-sectional view of fig. 2.
Wherein, in the figures, the respective reference numerals:
1-curling barrel; 11-an inlet; 12-an outlet; 13-a first handling hole; 14-longitudinal fixing strips; 15-transverse fixing strips; 2-tongue plate; 21-a separator; 22-a second access hole; 3-forming a seam piece; 31-a snap-in part; 32-a fold; 4-feeding slot.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 6, a description will now be given of a double-sided hemmer according to an embodiment of the present invention. A double-sided hemmer includes a hemmer 1, a tongue plate 2, and two seam formers 3.
The crimping barrel 1 has an inlet 11 and an outlet 12, the inner cavity of the crimping barrel 1 gradually shrinks in the direction from the inlet 11 to the outlet 12, and the width of the outlet 12 is smaller than the width of the cloth strip. The tongue plate 2 is arranged in the curling tube 1 and is used for matching with the tube wall of the curling tube 1 to curl two side edges of the cloth strip passing through the curling tube 1. The two seam forming pieces 3 are connected with the curling barrel 1, are positioned in front of the inlet 11 and are arranged at intervals to form a feeding seam 4 opposite to the inlet 11, the length direction of the feeding seam 4 is parallel to the tongue plate 2, and the width of the feeding seam 4 is more than or equal to the thickness of the cloth strips and less than twice of the thickness of the cloth strips.
Compared with the prior art, the utility model discloses bilateral hemmer utilizes two one-tenth seam pieces 3 that are located entry 11 the place ahead to form and feeds seam 4 relative with 1 entry 11 of a crimping section of thick bamboo, and when using, the cloth passes earlier feeding seam 4, then gets into 1 of a crimping section of thick bamboo from entry 11. The length direction of the feeding seam 4 is parallel to the tongue plate 2, the inner cavity of the curling barrel 1 gradually shrinks in the direction from the inlet 11 to the outlet 12, and the width of the outlet 12 is smaller than that of the cloth strip, so that the cloth strip passes through the feeding seam 4 and then enters the curling barrel 1 in parallel with the tongue plate 2, and two side edges of the cloth strip are curled under the matching of the tongue plate 2 and the barrel wall of the curling barrel 1. The utility model discloses bilateral hemmer sets the thickness of more than or equal to cloth and is less than the twice of cloth thickness through the width with feeding seam 4 for only individual layer cloth just can pass through feeding seam 4, and folding cloth can be become to sew up 3 expandes when passing through feeding seam 4, thereby guarantees that the cloth that gets into in the turn-up section of thick bamboo 1 keeps leveling, need not operator manual operation, reduces labourer's intensity of operation.
In this embodiment, the hemming barrel 1 may be fixed on the sewing machine platform in front of the presser foot of the sewing machine, so that the cloth strip is curled by the double-side hemmer, and then comes out from the outlet 12 to be directly pressed by the presser foot, and then is sewn. When the cloth strip passes through the hemming tube 1, the width of the outlet 12 of the hemming tube 1 is smaller than that of the cloth strip, so that the two sides of the cloth strip are extruded towards the middle by the side wall of the hemming tube 1, the middle part of the cloth strip can be kept flat by the tongue plate 2, the two sides of the cloth strip are curled, and the two sides of the cloth strip are curled towards the middle. The specific structure of the curling barrel 1 and the tongue plate 2 can be the same as that of the existing double-edge hemmer, or can be formed by modifying the existing double-edge hemmer. In particular, the crimping barrel 1 may be of a horizontal oblate taper shape, with the outlet 12 and the inlet 11 each having an oblate shape. The tongue plate 2 is horizontally long and fixed in the curling barrel 1 along the axial direction of the curling barrel 1.
In this embodiment, the two seam forming members 3 may be welded to the inlet end of the crimping barrel 1, or may be respectively fastened to the barrel wall of the inlet end of the crimping barrel 1. A horizontal feeding seam 4 is formed between the two seam forming pieces 3, and the width of the feeding seam 4 is more than or equal to the thickness of the cloth strips, so that the single-layer cloth strips can pass through the feeding seam 4; the width of the feed slit 4 is less than twice the thickness of the cloth strip, so that the double-layer cloth strip cannot pass through the feed slit 4 but is scraped off by the seam former 3, so that the cloth strip is spread. In particular, the surface of the seam piece 3 is smooth, which avoids scratching the cloth strips. The material that becomes seam piece 3 can choose for use plastics, avoids the fish tail cloth, and the material that becomes seam piece 3 can choose for use the rubber that has certain elasticity, avoids the fish tail cloth through the deformation that becomes seam piece 3.
Referring to fig. 1, 2, 4 and 6, as an embodiment of the double-sided hemmer of the present invention, the seaming element 3 is detachably connected to the wall of the inlet end of the hemming cylinder 1. Adopt this kind of setting can be convenient change the damaged one-tenth piece 3, also can adjust the width of feeding seam 4 through changing the one-tenth piece 3 of equidimension not to be applicable to the cloth of different thickness.
In this embodiment, the two seam forming pieces 3 can be detachably connected with the wall of the inlet end of the crimping barrel 1; it is also possible that only one seam piece 3 is detachably connected to the wall of the inlet end of the crimping barrel 1, for example, only the upper seam piece 3 is detachably connected to the top wall of the inlet end of the crimping barrel 1. The seam pieces 3 can be fixed with the wall of the inlet end of the crimping barrel 1 through bolts, for example, two seam pieces 3 are horizontally arranged and fixed on the top wall and the bottom wall of the inlet end of the crimping barrel 1 through bolts respectively. The seam forming pieces 3 can be fixed with the wall of the inlet end of the crimping barrel 1 through a clamping structure, for example, two seam forming pieces 3 are horizontally arranged and fixed on the top wall and the bottom wall of the inlet end of the crimping barrel 1 through buckles respectively.
Referring to fig. 1, 2, 4 and 6, as an embodiment of the double-sided hemmer of the present invention, the seam forming member 3 includes a fastening portion 31 and a folding portion 32.
The rear end of the clamping part 31 is provided with a bayonet for being inserted into the barrel wall at the inlet end of the crimping barrel 1. The folding part 32 is connected to the front end of the clamping part 31 and is used for forming a feeding seam 4 with another seam forming piece 3.
In this embodiment, the seam forming member 3 located above may include a clamping portion 31 and a folding portion 32; the seam forming member 3 located below may include a snap-in portion 31 and a folding portion 32, or may be directly fixed on the bottom wall of the inlet end of the curling barrel 1. Specifically, the folding portion 32 is connected to the front end of the clamping portion 31, and the bayonet is disposed at the rear end of the clamping portion 31, so that the rear end of the clamping portion 31 can be clamped on the barrel wall of the inlet end of the crimping barrel 1, and the folding portion 32 is located in front of the inlet end of the crimping barrel 1.
Referring to fig. 1, 2, 4 and 6, as an embodiment of the double-sided hemmer of the present invention, the folding portion 32 is a long plate, and one side of the folding portion 32 is connected to the front end of the clamping portion 31; after the clamping portion 31 is clamped with the wall of the inlet end of the crimping barrel 1, a feeding seam 4 is formed between the other side edge of the folding portion 32 and the other seam forming piece 3.
In this embodiment, the seam forming member 3 located above includes a clamping portion 31 and a folding portion 32, a long axis of the folding portion 32 is horizontal, and an included angle is formed between the plate surface and the horizontal plane. The higher side of the folding part 32 is fixed with the front end of the clamping part 31, and a feeding seam 4 is formed between the lower side of the folding part 32 and the seam forming piece 3 below.
Referring to fig. 3 and 6, as an embodiment of the double-sided hemmer of the present invention, the front end of the tongue plate 2 is bent downward to connect with the bottom wall of the inlet end of the hemming tube 1, the middle of the bottom surface of the rear end of the tongue plate 2 is connected with the bottom wall of the outlet end of the hemming tube 1 through the partition plate 21, and the cross section of the inner cavity of the outlet end of the hemming tube 1 is divided into a C-shape by the tongue plate 2 and the partition plate 21.
In the embodiment, the front end of the tongue plate 2 is bent downwards and fixedly connected with the bottom wall of the inlet end of the crimping barrel 1, so that the cloth strips entering from the inlet 11 can be guided to the upper part of the tongue plate 2, and the tongue plate 2 can be more stable. The middle part of the bottom surface of the rear end of the tongue plate 2 is connected with the bottom wall of the outlet end of the crimping barrel 1 through a partition plate 21, so that the top surface of the rear end, two side parts of the bottom surface of the rear end and the left and right side edges of the rear end of the tongue plate 2 are separated from the inner wall of the outlet end of the crimping barrel 1, and the cross section of the inner cavity of the outlet end of the crimping barrel 1 is divided into a C shape. Specifically, the tongue plate 2 is parallel to the bottom wall of the crimping barrel 1, the partition plate 21 is in a long strip shape, and the plate surface is perpendicular to the tongue plate 2 and extends along the axial direction of the crimping barrel 1.
Referring to fig. 1 and 6, as a specific embodiment of the double-sided hemmer of the present invention, a first operation hole 13 communicating with an inner cavity of the hemmer 1 is formed on a top wall of the hemmer 1. In use, the operator can use the tool to pull the end of the cloth strip through the first operation hole 13, so that the end of the cloth strip can pass through the inner cavity of the curling barrel 1, and in the subsequent sewing, the operator can observe the state of the cloth strip in the curling barrel 1 through the first operation hole 13.
In this embodiment, the first operation hole 13 is located at the middle of the top wall of the curling barrel 1 and vertically penetrates through the top wall of the curling barrel 1.
Referring to fig. 1, 5 and 6, as an embodiment of the double-sided hemmer of the present invention, a second operation hole 22 is formed on the tongue plate 2 opposite to the first operation hole 13. In use, the operator can pull the end of the cloth strip through the first and second operation holes 13 and 22 by using a tool to make the end of the cloth strip pass through the inner cavity of the curling barrel 1. In particular, the side edge of the cloth strip end in the crimping passage can be drawn through the first handling opening 13 and the second handling opening 22 by means of a tool, so that the side edge of the cloth strip end is crimped from the crimping gap into the crimping passage and out through the outlet 12.
In this embodiment, the second operation hole 22 is located right below the first operation hole 13 and vertically penetrates the horizontal tongue plate 2.
Referring to fig. 1 to 6, as a specific embodiment of the double-sided hemmer of the present invention, the hemming barrel 1 further has a mounting structure for detachably connecting with a sewing machine platform. The hemming barrel 1 is detachably mounted on a sewing machine platform of a sewing machine through a mounting structure, and different double-side hemers can be replaced according to different actually sewn cloth strips.
Referring to fig. 1 to 6, as a specific embodiment of the double-sided hemmer of the present invention, the mounting structure includes: longitudinal fixing strips 14 and transverse fixing strips 15. The longitudinal fixing strip 14 is arranged at the inlet end of the curling barrel 1 and is used for being detachably connected with a sewing machine platform; and a transverse fixing strip 15 is arranged on one side of the curling barrel 1 and is used for being detachably connected with the sewing machine platform.
By adopting the structure, the longitudinal fixing strip 14 can axially roll the edge tube 1, and the edge tube 1 is prevented from moving back and forth along with the cloth strips; the transverse fixing strip 15 can laterally fix the curling barrel 1, prevent the curling barrel 1 from swinging left and right, and enable the outlet 12 of the curling barrel 1 to be aligned with a presser foot of the sewing machine.
In this embodiment, the longitudinal fixing strip 14 and the transverse fixing strip 15 are located in the same plane and are respectively used for detachably attaching and fixing with the sewing machine platform. Specifically, the longitudinal fixing strip 14 and the transverse fixing strip 15 are two long strips which are positioned in the same plane, so that the longitudinal fixing strip 14 and the transverse fixing strip 15 can be attached to the sewing machine platform at the same time. The front end of the longitudinal fixing strip 14 is provided with a bolt hole, a bolt penetrates through the bolt hole to detachably fix the longitudinal fixing strip 14 and the sewing machine platform, and the rear end of the longitudinal fixing strip 14 is connected with the bottom wall of the inlet end of the hemming barrel 1. The transverse fixing strip 15 is located on the left side or the right side of the hemming barrel 1, the longitudinal fixing strip 14 and the transverse fixing strip 15 are L, one end of the transverse fixing strip 15 is connected with the side edge of the bottom wall of the hemming barrel 1, the other end of the transverse fixing strip is provided with a strip hole axially arranged along the transverse fixing strip 15, and the transverse fixing strip 15 and the sewing machine platform are detachably fixed by penetrating the strip hole through a bolt. In use, the transverse fixing strip 15 can be slid through the elongated hole to the left and right to adjust the position of the hembar 1 such that the outlet 12 of the hembar 1 is aligned with the presser foot of the sewing machine.
Referring to fig. 1 to 6, an embodiment of the present invention further provides a sewing machine including any one of the above bilateral hemers.
The embodiment of the utility model provides a sewing machine is through adopting the bilateral hemmer of above arbitrary one, utilizes two one-tenth seam pieces 3 that are located entry 11 the place ahead to form with the feeding seam 4 that a curling barrel 1 entry 11 is relative, and when using, the cloth passes feeding seam 4 earlier, then gets into in the curling barrel 1 from entry 11. The length direction of the feeding seam 4 is parallel to the tongue plate 2, the inner cavity of the curling barrel 1 gradually shrinks in the direction from the inlet 11 to the outlet 12, and the width of the outlet 12 is smaller than that of the cloth strip, so that the cloth strip passes through the feeding seam 4 and then enters the curling barrel 1 in parallel with the tongue plate 2, and two side edges of the cloth strip are curled under the matching of the tongue plate 2 and the barrel wall of the curling barrel 1. The utility model discloses sewing machine adopts the bilateral hemmer of any one above, through the width setting to the width of sewing with feeding 4 the thickness of more than or equal to cloth and be less than the twice of cloth thickness for only individual layer cloth just can pass through feeding seam 4, folding cloth can be launched by one-tenth seam piece 3 when passing through feeding seam 4, thereby guarantee that the cloth that gets into in the turn-up section of thick bamboo 1 keeps leveling, need not operator manual operation, reduce labourer's intensity of operation.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A dual-sided hemmer, comprising:
the curling barrel is provided with an inlet and an outlet, the inner cavity of the curling barrel gradually shrinks in the direction from the inlet to the outlet, and the width of the outlet is smaller than that of the cloth strips;
the tongue plate is arranged in the curling tube and is used for being matched with the tube wall of the curling tube to curl two side edges of the cloth strip passing through the curling tube; and
the two seam forming pieces are connected with the curling barrel, are positioned in front of the inlet and are arranged at intervals to form a feeding seam opposite to the inlet, the length direction of the feeding seam is parallel to the tongue plate, and the width of the feeding seam is more than or equal to the thickness of the cloth strips and less than twice of the thickness of the cloth strips.
2. The dual-sided hemmer of claim 1, wherein the seam forming member is removably attached to a wall of the inlet end of the hemmed cartridge.
3. The dual-sided hemmer of claim 2, wherein the seam piece comprises:
the rear end of the clamping part is provided with a bayonet which is used for being inserted into the cylinder wall at the inlet end of the crimping cylinder; and
the folding part is connected to the front end of the clamping part and used for forming the feeding seam with the other seaming piece.
4. The double-sided hemmer of claim 3, wherein the closeout portion is in the form of an elongated plate, one side of the closeout portion being connected to a front end of the snap-fit portion; after the clamping part is clamped with the barrel wall at the inlet end of the crimping barrel, the feeding seam is formed between the other side edge of the folding part and the other seaming piece.
5. The double-sided hemmer of any of claims 1 to 4, wherein a front end of the tongue is bent downwardly to connect with a bottom wall of the inlet end of the hemmed barrel; the middle part of the bottom surface of the rear end of the tongue plate is connected with the bottom wall of the outlet end of the crimping barrel through a partition plate, and the cross section of the inner cavity of the outlet end of the crimping barrel is divided into a C shape by the tongue plate and the partition plate.
6. The double-sided hemmer of any of claims 1 through 4, wherein the top wall of the hemmer has a first access hole therein communicating with the inner cavity of the hemmer.
7. The double-sided hemmer of claim 6, wherein said tongue plate is provided with a second access hole opposite said first access hole.
8. The double-sided hemmer of any of claims 1 through 4, wherein the hemmer is further provided with a mounting structure for detachable connection to a sewing machine platform.
9. The dual-sided hemmer of claim 8, wherein the mounting structure comprises:
the longitudinal fixing strip is arranged at the inlet end of the hemming drum and is detachably connected with the sewing machine platform; and
the transverse fixing strip is arranged on one side of the hemming barrel and is detachably connected with the sewing machine platform.
10. A sewing machine comprising the double-sided hemmer of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004493.7U CN211595995U (en) | 2019-11-19 | 2019-11-19 | Double-edge hemmer and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004493.7U CN211595995U (en) | 2019-11-19 | 2019-11-19 | Double-edge hemmer and sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN211595995U true CN211595995U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922004493.7U Active CN211595995U (en) | 2019-11-19 | 2019-11-19 | Double-edge hemmer and sewing machine |
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| CN (1) | CN211595995U (en) |
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2019
- 2019-11-19 CN CN201922004493.7U patent/CN211595995U/en active Active
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