Sewing template for vamp accessories

Abstract

The utility model relates to the field of sewing machines, in particular to a sewing template for vamp accessories, which comprises a base plate, a positioning plate and a clamping component, the positioning plate is rotatably arranged on the base plate, a placing position and a driving block are arranged on the positioning plate, and the clamping component is placed on the placing position; the clamping assembly comprises a first plate and a second plate, one side of the second plate is connected with the first plate, and a first sewing channel and a second sewing channel which correspond to each other are formed in the first plate and the second plate respectively; the first sewing channel and the second sewing channel are covered with the first accessory and the second accessory respectively, the positioning plate bears the clamping assembly, the machine head moves downwards and penetrates through the second sewing channel to sew the first accessory and the second accessory, meanwhile, the positioning plate is rotationally arranged on the base plate, and the first accessory and the second accessory are sewn through rotation. The position of the clamping assembly which completes sewing and the position of the clamping assembly which does not conduct sewing are exchanged, uninterrupted sewing is achieved, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of sewing machines, specifically to a sewing template for shoe upper accessories. Background Technology

[0002] A sewing machine is a mechanical device used to sew together materials such as fabric and leather. Its emergence has greatly promoted the development of the textile and garment industry, enabling garment production to move from traditional hand sewing to a new stage of mechanized production.

[0003] A sewing machine mainly consists of a sewing head, base, transmission, and accessories. The sewing head is the core component, containing key mechanisms such as the needle bar, take-up lever, and rotary hook. The needle bar drives the sewing needle up and down, threading the fabric; the take-up lever controls the thread tension and feeds the thread; the rotary hook works with the needle to form stitches, securely sewing the two layers of fabric together. The base provides stable support for the entire sewing machine and also houses the motor and other power units, providing power for the machine's operation. The transmission system uses belts, gears, and other transmission mechanisms to transmit the motor's power to the various components of the sewing head, ensuring their coordinated operation.

[0004] However, for sewing small accessories, such as shoe accessories, the accessories need to be fitted together and their positions defined before sewing. The overall sewing efficiency is poor, which affects the production efficiency of shoes. Utility Model Content

[0005] The purpose of this utility model is to provide a sewing template for shoe upper accessories, aiming to improve the problem of poor sewing efficiency of existing shoe accessories, which affects the production efficiency of shoes.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A sewing template for shoe upper accessories includes a base plate, a positioning plate, and a clamping assembly.

[0008] The base plate is connected to the external worktable and is located below the head of the sewing machine;

[0009] The positioning plate is rotatably mounted on the base plate. The positioning plate is provided with a placement position and a driving block. The clamping assembly is placed on the placement position. The height of the driving block and the height of the sewing machine needle have an interactive portion.

[0010] The clamping assembly includes a first plate and a second plate, one side of the second plate is connected to the first plate, and the first plate and the second plate are respectively provided with a first sewing channel and a second sewing channel corresponding to each other, the first sewing channel and the second sewing channel corresponding to the position of the needle; the first accessory and the second accessory of the shoe upper are respectively disposed on the corresponding inner sides of the first plate and the second plate, and respectively cover the first sewing channel and the second sewing channel.

[0011] Furthermore, the number of driving blocks is the same as the number of placement positions, and they correspond one-to-one.

[0012] Furthermore, a placement channel is provided on the placement position, and a placement step is provided on the bottom inner side of the placement channel, with the bottom surface of the first plate abutting against the placement step.

[0013] Furthermore, the substrate is provided with a first magnetic attracting member, and the second plate is provided with a second magnetic attracting member, with the first magnetic attracting member and the second magnetic attracting member corresponding one to one.

[0014] Furthermore, the step portion is provided with a positioning block, and the side of the first plate is provided with a positioning notch, and the positioning notch and the positioning block correspond one-to-one.

[0015] Furthermore, the positioning plate is provided with a limiting block assembly, which surrounds the periphery of the placement position and abuts against the periphery of the clamping assembly.

[0016] Furthermore, the inner side of the first plate is provided with a limiting protrusion ring, the limiting protrusion ring is arranged around the periphery of the first sewing channel, and the first accessory is embedded in the limiting protrusion ring;

[0017] The inner side of the second plate is provided with a limiting groove, the second sewing channel is opened in the limiting groove, the limiting groove corresponds to the position of the limiting protrusion, and the second accessory is embedded in the limiting groove.

[0018] Furthermore, the substrate is provided with a locking block, which is located on the periphery of the positioning plate and has a locking groove facing the positioning plate;

[0019] The positioning plate has a spring block assembly, which includes a driving part and a spring block that is driven and connected to the driving part. The spring block protrudes from the positioning plate and matches the shape of the engaging groove.

[0020] Furthermore, the engaging block is provided with a clearance slope, which is located on one side of the engaging groove and slopes from one side of the engaging groove toward the side away from the positioning plate to the other side.

[0021] By adopting the above technical solution, this utility model has the following advantages compared with the prior art:

[0022] 1. The first and second plates clamp the first and second components, positioning them to ensure accurate positioning during sewing and improve the sewing pass rate. The positioning plate supports the clamping components. As the machine head moves downward, it passes through the second sewing channel to sew the first and second components. Simultaneously, the positioning plate is rotatably mounted on the base plate. By rotating, the positions of the sewn and unsewn clamping components can be interchanged, enabling uninterrupted sewing and improving production efficiency.

[0023] 2. By using a drive block on the positioning plate, and ensuring that the drive block and the sewing machine needle are at the same horizontal height, the movement of the sewing head is controlled so that the side of the needle abuts against the drive block, applying force to the drive block and driving the positioning plate to rotate. This allows for the exchange of positions between the sewn clamping components and the unsewn clamping components. Alternatively, the movement of the external worktable drive plate can achieve the abutment between the drive block and the side of the needle, thereby driving the rotation of the positioning plate, reducing the number of manual laborers, and further improving sewing efficiency. Attached Figure Description

[0024] Figure 1 This is a structural schematic diagram of the sewing template for the shoe upper accessory described in this utility model;

[0025] Figure 2 This is a partial structural diagram of the sewing template for the shoe upper accessory described in this utility model;

[0026] Figure 3 This is a schematic diagram of the base plate structure of the sewing template for the shoe upper accessory described in this utility model;

[0027] Figure 4 This is a schematic diagram of the positioning plate structure of the sewing template for the shoe upper accessory described in this utility model;

[0028] Figure 5 This is a schematic diagram of the clamping assembly structure of the sewing template for the shoe upper accessory described in this utility model;

[0029] Figure 6 This is a schematic diagram of the internal structure of the clamping assembly of the sewing template for the shoe upper accessory of this utility model in the open state.

[0030] Figure 7 This is a schematic diagram of the upper structure of the clamping assembly of the sewing template of the shoe upper accessory described in this utility model in the open state.

[0031] Figure 8 This is a schematic diagram of the sewing head movement path of the sewing template for the shoe upper accessory described in this utility model.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Base plate; 11. Mounting groove; 12. Central column; 13. Rotating shaft; 14. Engaging block; 141. Engaging groove; 142. Relief slope; 15. First magnetic chuck;

[0034] 2. Positioning plate; 21. Placement position; 211. Placement channel; 212. Placement step; 213. Positioning block; 22. Drive block; 23. Limiting block assembly; 231. First limiting block; 232. Second limiting block; 24. Spring block assembly; 241. Spring block; 242. Drive unit; 243. Lower enclosure plate; 244. Upper enclosure plate; 25. Rotation channel;

[0035] 3. Clamping assembly; 31. First plate; 311. First sewing channel; 312. Positioning notch; 313. Magnetic channel; 314. Limiting protrusion; 32. Second plate; 321. Second sewing channel; 322. Second magnetic component; 323. Limiting groove. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0037] Additionally, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" are all based on the orientation or positional relationship shown in the accompanying drawings. They are merely for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element of this utility model must have a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] When an element is referred to as being "fixed to," "set on," or "contained on" another element, it can be directly on or indirectly on that other element. When an element is referred to as being "connected to," it can be directly connected to or indirectly connected to that other element.

[0039] Unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] Example

[0041] Please refer to Figure 1-7 As shown, this embodiment provides a sewing template for shoe upper accessories, including a base plate 1, a positioning plate 2, and a clamping assembly 3. The base plate 1 is connected to an external workbench and is located below the head of a sewing machine. The positioning plate 2 is rotatably mounted on the base plate 1, and has a placement position 21 and a driving block 22. The clamping assembly 3 is placed on the placement position 21. The height of the driving block 22 interacts with the height of the sewing machine needle, that is, the driving block 22 and the needle overlap to a certain extent in the horizontal direction, which facilitates the subsequent contact between the needle and the driving block 22. The clamping assembly 3 includes a first plate 31 and a second plate 32, one side of the second plate 32 being connected to the first plate 31. The first plate 31 and the second plate 32 are respectively provided with a first sewing channel 311 and a second sewing channel 321, which correspond to the position of the sewing needle. The first and second accessories of the shoe upper are respectively disposed on the corresponding inner sides of the first plate 31 and the second plate 32, and respectively cover the first sewing channel 311 and the second sewing channel 321.

[0042] The first plate 31 and the second plate 32 clamp the first and second parts, positioning them to ensure the accuracy of their relative positions during sewing and improve the sewing pass rate. The positioning plate 2 supports the clamping assembly 3. As the machine head moves downward, it passes through the second sewing channel 321 to sew the first and second parts. At the same time, the positioning plate 2 is rotatably mounted on the base plate 1. By rotating, the positions of the sewn clamping assembly 3 and the unsewn clamping assembly 3 can be swapped, achieving uninterrupted sewing and improving production efficiency.

[0043] Furthermore, by using the drive block 22 set on the positioning plate 2, while ensuring that the drive block 22 and the sewing machine needle are at the same horizontal height, the movement of the machine head is controlled so that the side of the needle abuts against the drive block 22, applying force to the drive block 22 and driving the positioning plate 2 to rotate. This allows for the exchange of positions between the sewn clamping component 3 and the unsewn clamping component 3. Alternatively, the movement of the external worktable drive base plate 1 can be used to achieve the abutment between the drive block 22 and the side of the needle, thereby driving the rotation of the positioning plate 2, reducing the number of manual workers, and further improving sewing efficiency.

[0044] Please refer to Figure 1-4As shown, in this embodiment, a central column 12 extending upward is provided on the substrate 1, and a rotation channel 25 is provided at the center of the positioning plate 2. The central column 12 extends upward through the rotation channel 25, and a rotating shaft 13 is provided between it and the inner sidewall of the rotation channel 25. The rotation of the positioning plate 2 is realized by the rotating shaft 13, and the central column 12 limits the positioning plate 2 to ensure that the positioning plate 2 can rotate stably on the substrate 1. Furthermore, a mounting groove 11 is provided on the substrate 1, and the central column 12 is located at the center of the bottom of the mounting groove 11. The positioning plate 2 is rotatably positioned in the mounting groove 11, and the inner sidewall of the mounting groove 11 cooperates with the central column 12 to limit the positioning plate 2, further ensuring that the positioning plate 2 can rotate stably on the substrate 1.

[0045] The number of drive blocks 22 is the same as the number of placement positions 21, and they correspond one-to-one. In this embodiment, there are four drive blocks 22 and four placement positions 21. The placement positions 21 and drive blocks 22 are set in a one-to-one correspondence. After each sewing is completed, the corresponding drive block 22 is located on the side of the needle, so that it can be pressed against the needle and drive the positioning plate 2 to rotate.

[0046] In this embodiment, a placement channel 211 is provided on the placement position 21, and a placement step 212 is provided on the inner bottom of the placement channel 211. The bottom surface of the first plate 31 abuts against the placement step 212. The placement channel 211 reduces the weight of the positioning plate 2, reduces the driving force for rotating the positioning plate 2, saves energy, and makes room for the needle, ensuring that the needle can completely pass through the first and second accessories for sewing, thus improving the sewing effect.

[0047] Please refer to Figure 2 , Figure 6 and Figure 7 As shown, the substrate 1 is further provided with a first magnetic suction member 15, and the second plate 32 is provided with a second magnetic suction member 322, with the first magnetic suction member 15 and the second magnetic suction member 322 corresponding one-to-one. The second magnetic suction member 322 and the first magnetic suction member 15 attract each other to limit the clamping component 3 and ensure the stability of the clamping component 3 during the sewing process; at the same time, the second plate 32 is located above the first plate 31, and the second magnetic suction member 322 applies a force to the second plate 32 in the direction of the first plate 31, improving the tightness of the fit between the first plate 31 and the second plate 32, thereby improving the limiting effect on the first and second components and further improving the sewing qualification rate. In this embodiment, both the first plate 31 and the second plate 32 are provided with magnetic suction channels 313, and the second magnetic suction member 322 is fixed in the magnetic suction channel 313 of the second plate 32. The magnetic suction channel 313 of the first plate 31 makes way for the first magnetic suction member 15 and the second magnetic suction member 322 to ensure that a stable magnetic attraction force can be formed between them. Specifically, both the first magnetic component 15 and the second magnetic component 322 are magnets.

[0048] Please refer to Figure 1-4 As shown, specifically, a positioning block 213 is provided on the step portion 212, and a positioning notch 312 is provided on the side of the first plate 31. The positioning notch 312 and the positioning block 213 correspond one-to-one. When the clamping component 3 is placed in the placement position 21, the positioning block 213 is embedded in the positioning notch 312, positioning the clamping component 3 on the side to ensure the positional accuracy of the clamping component 3, thereby improving the accuracy of the sewing position of the first and second parts. In this embodiment, the positioning plate 2 is circular in shape, and the four placement positions 21 are distributed circumferentially on the circumference of the positioning plate 2. The first plate 31 and the second plate 32 are fan-shaped, which improves the space utilization of the positioning plate 2 and ensures that the first plate 31 and the second plate 32 have a large surface area, which can clamp and limit the first and second parts of more sizes. In this embodiment, there are two positioning blocks 213 for placing the step portion 212. The two positioning blocks 213 correspond to the radii on both sides of the first plate 31, respectively, and limit the clamping component 3 on both sides, thereby further improving the positional accuracy of the clamping component 3.

[0049] Furthermore, the positioning plate 2 is provided with a limiting block assembly 23, which surrounds the periphery of the placement position 21 and abuts against the periphery of the clamping assembly 3. The limiting assembly positions the clamping assembly 3 on the outside and cooperates with the positioning block 213 to further improve the accuracy of the placement of the clamping assembly 3 in the placement position 21. In this embodiment, the limiting block assembly 23 includes a first limiting block 231 and two second limiting blocks 232. The first limiting block 231 is located at the center of the clamping assembly 3 and extends radially to both sides of the center to limit the top of the clamping assembly 3; the second limiting blocks 232 are located at both ends of the arc bottom edge of the clamping assembly 3 and limit the clamping assembly 3 at the bottom. While ensuring that the clamping assembly 3 can be limited in multiple directions, the size of the limiting assembly is reduced, further reducing the weight of the positioning plate 2 and reducing the driving force for rotating the positioning plate 2.

[0050] In this embodiment, the inner side of the first plate 31 is provided with a limiting protrusion 314, which surrounds the periphery of the first sewing channel 311. The first accessory is embedded in the limiting protrusion 314, and the shape and size of the inner ring surface of the limiting protrusion 314 are the same as the shape and size of the first accessory. The inner ring surface of the limiting protrusion 314 limits the first accessory, ensuring the positional accuracy of the first accessory. The inner side of the second plate 32 is provided with a limiting groove 323, and the second sewing channel 321 is opened in the limiting groove 323. The limiting groove 323 corresponds to the limiting protrusion 314, and the second accessory is embedded in the limiting groove 323. The shape and size of the inner ring surface of the limiting groove 323 are the same as the shape and size of the second accessory. The inner ring surface of the limiting groove 323 limits the second accessory, ensuring the positional accuracy of the second accessory. In this embodiment, the size of the second component is larger than that of the first component, that is, the size of the limiting protrusion 314 is smaller than that of the limiting groove 323. When the first plate 31 and the second plate 32 are in contact with each other, the limiting protrusion 314 is embedded in the limiting groove 323 and abuts against the second component, applying a limiting force to the second component, thereby further improving the stability of the second component during the sewing process.

[0051] Furthermore, the base plate 1 is provided with a locking block 14, which is located on the periphery of the positioning plate 2 and has a locking groove 141 facing the positioning plate 2. The positioning plate 2 has a spring block assembly 24, which includes a driving part 242 and a spring block 241 drivenly connected to the driving part 242. The spring block 241 protrudes from the positioning plate 2 and matches the shape of the locking groove 141. The driving part 242 applies a force to the spring block 241 in the direction of the locking block 14. During the rotation of the positioning plate 2, the spring block 241 and the locking block 14 abut against each other. The locking block 14 applies a force to the spring block 241 in the direction of the driving part 242, compressing the driving part 242 until the spring block 241 moves into the locking groove 141. At this point, the driving part 242 rebounds, driving the spring block 241 to abut against the inner wall of the locking groove 141, thus positioning the positioning plate 2 and ensuring that the placement position 21 of the positioning plate 2 can move stably to below the machine head. In this embodiment, there are four locking blocks 14 and two spring block assemblies 24. The two spring block assemblies 24 are located on both sides of the diameter of the positioning plate 2. In one sewing state, the two spring block assemblies 24 abut against each other in the locking grooves 141 of the two locking blocks 14 respectively. In the next sewing state, the two spring block assemblies 24 abut against each other in the locking grooves 141 of the other two locking blocks 14 respectively, ensuring that the positioning plate 2 can be positioned before each clamping component 3 is sewn.

[0052] In this embodiment, the locking block is provided with a clearance slope 142, which is located on one side of the locking groove 141. The clearance slope 142 is inclined from one side of the locking groove 141 toward the side away from the positioning plate 2 to the other side. Before positioning, the spring block 241 abuts against the clearance slope 142 and moves along the clearance slope 142 toward the locking groove 141. The clearance slope 142 makes way for the spring block 241 to avoid collision between the spring block 241 and the side wall of the locking block 14, which would affect the continuity of the sewing process.

[0053] In this embodiment, the spring block assembly 24 further includes a lower enclosure plate 243 and an upper enclosure plate 244. The lower enclosure plate 243 is fixed to the positioning plate 2, and the upper enclosure plate 244 is fixed to the top surface of the lower enclosure plate 243. The upper enclosure plate 244 and the lower enclosure plate 243 enclose the driving part 242 and the spring block 241. Further, the driving part 242 is a spring, one end of which is fixedly connected to the side wall of the enclosure plate, and the other end of which is fixedly connected to the spring block 241. The front openings of the upper enclosure plate 244 and the lower enclosure plate 243 allow the spring block 241 to extend and abut against the engaging groove 141. The rear end, upper end, and sides guide the spring block 241 to ensure that the spring block 241 can move stably toward the engaging block 14, avoiding positional deviation of the spring block 241 and affecting the accuracy of the positioning plate 2.

[0054] Please refer to Figure 8 As shown, the specific working steps are as follows: the first plate 31 and the second plate 32 clamp the first accessory and the second accessory inside, complete the assembly of the clamping component 3, and feed the assembled clamping component 3 to the placement position 21 respectively. The first placement position 21 is located at the sewing position below the machine head.

[0055] The sewing machine head moves relative to the worktable, feeding from the stop position of the sewing head to the starting end of the sewing position, and sewing the first and second accessories at the sewing position according to the preset sewing path.

[0056] When sewing reaches the end of the sewing position, the sewing ends, that is, the sewing begins from point a around the second sewing channel 321 and ends back at point a; the sewing machine head performs a short idle stroke, causing the machine head to move to the side of the drive block 22, that is, the machine head moves from point a to point b; this pushes the drive block 22 to rotate the positioning plate 2, causing the first placement position 21 to move away from the sewing position and the second placement position 21 to move into the sewing position, that is, the machine head abuts against the drive block 22 at point b, and moves from point b to point c, pushing the positioning plate 2 to rotate through the drive block 22; then, after the machine head returns to the stop position, S02 is executed, that is, the machine head returns from point c to point a; a new round of sewing begins.

[0057] The sewn clamping component 3 is cut and then placed into the empty placement position 21.

[0058] The movement of the machine head relative to the worktable refers to the relative motion relationship between the two. It can be that the worktable is fixed and the machine head moves, or the machine head is fixed and the worktable moves.

[0059] The sewing process and the loading and unloading process are carried out simultaneously. At the same time, the clamping component 3 is loaded and unloaded manually, and the positioning plate 2 is driven by the sewing machine, which reduces the number of workers and improves the overall sewing efficiency. Similarly, it can also be driven by the external worktable drive base plate 1, so that the drive block 22 abuts against the sewing machine needle, and the position of the positioning plate 2 is rotated and adjusted.

[0060] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A sewing template for shoe upper accessories, characterized in that, Includes a substrate, a positioning plate, and a clamping assembly. The base plate is connected to the external worktable and is located below the head of the sewing machine; The positioning plate is rotatably mounted on the base plate. The positioning plate is provided with a placement position and a driving block. The clamping assembly is placed on the placement position. The height of the driving block and the height of the sewing machine needle have an interactive portion. The clamping assembly includes a first plate and a second plate, one side of the second plate is connected to the first plate, and the first plate and the second plate are respectively provided with a first sewing channel and a second sewing channel corresponding to each other, the first sewing channel and the second sewing channel corresponding to the position of the needle; the first accessory and the second accessory of the shoe upper are respectively disposed on the corresponding inner sides of the first plate and the second plate, and respectively cover the first sewing channel and the second sewing channel.

2. The sewing template for shoe upper accessories according to claim 1, characterized in that: The number of drive blocks is the same as the number of placement positions, and they correspond one-to-one.

3. The sewing template for shoe upper accessories according to claim 1, characterized in that: The placement position has a placement channel, and the bottom inner side of the placement channel has a placement step, with the bottom surface of the first plate abutting against the placement step.

4. The sewing template for shoe upper accessories according to claim 3, characterized in that: The substrate is provided with a first magnetic attractor, and the second plate is provided with a second magnetic attractor, with the first magnetic attractor and the second magnetic attractor corresponding to each other.

5. The sewing template for shoe upper accessories according to claim 3, characterized in that: The placement step is provided with a positioning block, and the side of the first plate is provided with a positioning notch, and the positioning notch and the positioning block correspond one to one.

6. The sewing template for shoe upper accessories according to claim 1, characterized in that: The positioning plate is provided with a limiting block assembly, which surrounds the periphery of the placement position and abuts against the periphery of the clamping assembly.

7. The sewing template for shoe upper accessories according to claim 1, characterized in that: The inner side of the first plate is provided with a limiting protrusion ring, which surrounds the periphery of the first sewing channel, and the first accessory is embedded in the limiting protrusion ring; The inner side of the second plate is provided with a limiting groove, the second sewing channel is opened in the limiting groove, the limiting groove corresponds to the position of the limiting protrusion, and the second accessory is embedded in the limiting groove.

8. The sewing template for shoe upper accessories according to claim 1, characterized in that: The substrate is provided with a locking block, which is located on the periphery of the positioning plate and has a locking groove facing the positioning plate. The positioning plate has a spring block assembly, which includes a driving part and a spring block that is driven and connected to the driving part. The spring block protrudes from the positioning plate and matches the shape of the engaging groove.

9. The sewing template for shoe upper accessories according to claim 8, characterized in that: The locking block is provided with a clearance slope, which is located on one side of the locking groove. The clearance slope is inclined from one side of the locking groove toward the side away from the positioning plate to the other side.

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