INNOVATION IN HAND-OPERATED SEWING MACHINES

By extending the jaw distance and incorporating a stacking table, the sewing machine addresses ergonomic issues, reducing operator fatigue and labor costs through automated workpiece handling.

TR202506346YActive Publication Date: 2026-10-21CEMIL DINC
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Patent Information

Application Number
TR202506346U
Authority / Receiving Office
TR · TR
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-05-16
Publication Date
2026-10-21
Estimated Expiration
2035-05-16

AI Technical Summary

Technical Problem

Existing hand-operated sewing machines lack ergonomic design, requiring constant manual intervention to manage multiple workpieces, leading to operator fatigue and increased labor costs due to the need for additional staff.

Method used

The sewing machine is modified with an extended lower jaw and upper jaw, increasing the distance between the lower jaw and table to 30-65 cm, allowing for a stacking table where the first workpiece is placed, and the second workpiece is positioned on the operator's knee, enabling ergonomic sewing with reduced manual handling.

Benefits of technology

This ergonomic design reduces operator fatigue and labor costs by automating the sewing process, increasing production volume and efficiency.

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Abstract

The invention relates to an innovation in the hand-operated sewing machine, which enables the sewing of all kinds of garments, especially jeans, and suitable materials.
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Description

1 TARIFF INNOVATION IN HAND-OPERATED SEWING MACHINES TECHNICAL FIELD The invention allows for the use of all types of clothing, especially jeans, and suitable materials. It is related to the innovation made in the lever-operated sewing machine that enables sewing. STATE OF THE ART The hand-operated sewing machine in the known state of the art the known position of the technique between the lower jaw and the table in the known position of the technique The distance in this situation is 18 centimeters. The distance in the known state of the technique is 15. between the lower jaw in the known state of the technique and the table in the known state of the technique It does not allow the placement of a stacking table. In this case, the operator the first workpiece on the hand-operated sewing machine in the known state of the art placing the second workpiece on the lever sewing machine in the known state of the technique. It places the workpiece on the table in its known state of art. The first workpiece in this position is 20. The operator takes the first workpiece and the second workpiece and, in the known state of the art, the lever. It joins the pieces by sewing on a sewing machine. The first workpiece is joined by sewing... The third piece, consisting of a second workpiece, is a sleeve stitch in the known state of the technique. It is pushed towards the front of the machine by the operator. In this way, for a short time then the front of the hand-operated sewing machine in the known state of the technique with third parts 25 It is filling up. A worker needs to be working here constantly to pick up these parts. This is necessary. Working in this way is not ergonomic for the operator. This necessitates employing an additional staff member. DEFINITION OF INVENTION 30 The invention eliminates the disadvantages described above. 2 The invention involves placing a lower jaw between the lower jaw and the main body of the lever-operated sewing machine. Extension piece; an upper jaw extension piece is added between the upper jaw and the main body. This has been done. In this way, the lower jaw and table of the lever sewing machine developed in the invention are... The distance between them is between 30 centimeters and 65 centimeters (30 centimeters and 65 (including centimeters) the length was preferably 53 centimeters. In other words, 5 The distance is between 30 centimeters and 65 centimeters. Any desired length is possible, including. The distance between the lower jaw and the table of the lever sewing machine developed in the invention. a 10 between centimeters and 65 centimeters (inclusive of 30 centimeters and 65 centimeters) The length should preferably be 53 centimeters for a stacking table in this range. This has ensured its positioning. The first workpiece is placed on top of the stacking table. They are stacked on top of each other. The second workpiece is placed on top of the first one at the operator's knee. This is shown in Figure 4. Operator stacking table. He takes one of the first workpieces and places it on the lower jaw. Lower 15 The operator takes a measure from his knee onto the first workpiece placed on the chin. It places the second workpiece. Then the first one is located on the lower jaw. by sewing the workpiece and the second workpiece together on the lever sewing machine developed in the invention. They are being combined. This is shown in Figure 5. The first workpiece and the second workpiece are being combined. The third piece obtained by sewing the first piece together is a self-contained fabric holder with a movable shaft. 20 They are arranged on top of each other. This is shown in Figure 6. In the lever sewing machine developed in the invention, the stacking table is positioned above the first workpiece. This ensures they are stacked on top. The operator takes the material from the stacking table and places it in the lower jaw for the first step. He places the first piece down, then lifts it from his knee and places the second piece on top, then this first piece is 25 by joining the first piece and the second piece by sewing them together, the third piece obtaining and the resulting third piece spontaneously moving the fabric holder The arrangement of the shafts is an ergonomic task for the operator. This ergonomic task... In addition to increasing production volume, it also reduces operator fatigue. Additionally, the third piece obtained is mounted on the fabric holder's movable shaft at 30°. The automatic arrangement here implies the need for a component to operate continuously. It has eliminated it. This in itself represents a reduction in a person's production costs. This means it is a very important factor in reducing production costs. 3 PARTS AND PARTS 1. Hand Sewing Machine 1.1 Lower Jaw 1.2 Table 5 1.3 Distance 1.4 Main Body 1.5 Lower Jaw Lengthening 1.6 Upper Jaw 1.7 Upper Jaw Lengthening 10 1.8 Stacking Table 1.9 Fabric Holder Movable Shaft 1.10 Main Chassis Upright 1.11 Lower Right Chassis 1.12 Center Link Right Chassis 15 1.13 Center Link Left Chassis 1.14 Lower Left Chassis 1.15 Stacking Board 1.16 Stacking Post 1.17 Stacking Movable Inner Pole 20 1.18 Fabric Holder Fixed Shaft 1.19 Fabric Holder Movable Slide 2. Lever Sewing Machine in the State of the Technique 2.1 The Mandibular Joint in the State of the Technique 2.2 Table 25 showing the known state of the art. 2.3 Distance from the Known State of the Art 3. Operator 4. First Workpiece 5. Second Workpiece 6. Part Three 30 4 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1. Perspective of a hand-operated sewing machine in the known state of the art. It is the appearance. Figure 2. Perspective view of the disassembled lever sewing machine developed in the invention. It is the appearance. Figure 3. The lever sewing machine developed in the invention in assembled form and with the operator. This is a perspective view of someone sitting down to work. 10 Figure 4. The lever sewing machine developed in the invention, while assembled and operated. While seated to work, the first workpiece is stacked on top of the first one on the stacking table. while stacked, the second workpiece is on the operator's lap, perspective while stacked on top of each other It is the appearance. 15 Figure 5. In the situation shown in Figure 4, the operator is stacking a single first workpiece. He took it from the tray and placed it on his lower jaw, and then on top of that, his knee... He placed the second workpiece he had received and sewed the first and second workpieces together. The perspective view is shown while performing the operation. 20 Figure 6. Result of joining the first and second workpieces shown in Figure 5. The third piece obtained spontaneously fell off the fabric holder's movable shaft. It is a perspective view of the items arranged on a surface. EXPLANATION OF THE INVENTION The lever sewing machine in the state of the art (2) in the state of the art between the lower jaw (2.1) in the known state of the technique and the table (2.2) The distance in the known state of the technique (2.3) is 18 centimeters. The known state of the technique is 30 the distance in the position (2.3) with the lower jaw (2.1) in the known position of the technique and the technique placing a stacking table (1.8) between the tables (2.2) in their known condition does not allow. In this case, the operator (3) in the known state of the art to place the first workpiece (4) on the lever sewing machine (2), the second workpiece part (5) of the lever sewing machine in the known state of the technique (2) of the technique It places the table (2.2) in its known condition. The first work which is in this position Taking the workpiece (4) and the second workpiece (5) by the operator (3) using the known technique He joins them by sewing on the lever sewing machine (2) in this condition. By sewing 5 The third part (6) consists of the first workpiece (4) and the second workpiece (5) joined together. Operator (3) in front of the lever sewing machine (2) in the known state of the technique. It is being pushed by. In this way, shortly afterwards, the technique reaches its known state. The front of the lever sewing machine (2) is filled with third parts (6). These third A worker must work here continuously to pick up the parts (6). This 10 Working in this way is not ergonomic for the operator (3) but it is an additional It imposes an obligation to employ staff. The invention eliminates the disadvantages described above. The lower jaw (1.1) and the main body (1.4) of the lever sewing machine (1) developed in the invention between the lower jaw extension piece (1.5); between the upper jaw (1.6) and the main body (1.4) The upper jaw extension (1.7) piece has been added. Thanks to this, the arm developed in the invention has been added. The distance (1.3) between the lower jaw (1.1) and the table (1.2) of the sewing machine (1) is 30 a 20 between centimeters and 65 centimeters (inclusive of 30 centimeters and 65 centimeters) The length was preferably 53 centimeters. In other words, the distance (1.3) 30 between 30 centimeters and 65 centimeters, including any It can be a desired length. The preferred distance is (1.3) 53 centimeters. is being done. The lower jaw (1.1) and table (1.2) of the lever sewing machine (1) developed in the invention The distance between (1.3) is between 30 centimeters and 65 centimeters (30 centimeters (and including 65 centimeters) preferably 53 centimeters in length, this range includes It has enabled the positioning of the stacking table (1.8). The stacking table The first workpiece (4) is stacked on top of (1.8). The second 30 is placed on the operator's (3) knee. The workpiece (5) is placed on top of the other. This situation is shown in Figure-4. It is seen that the operator (3) has one first workpiece on the stacking table (1.8). He takes the piece (4) and places it on the lower jaw (1.1). On the lower jaw (1.1) 6 The operator (3) takes a second piece from his knee onto the first workpiece (4) that is placed. He places the workpiece (5). Then the first workpiece is placed on the lower jaw (1.1). part (4) and second workpiece (5) on the lever sewing machine (1) developed in the invention It joins by sewing. This situation is shown in figure-5. The first workpiece (4) and The third piece (6) obtained by sewing the second workpiece (5) is self-fabric 5 The clamp is mounted on the movable shaft (1.9). This is shown in figure-6. In the lever sewing machine developed in the invention (1), the stacking table (1.8) first work The operator (3) made the parts (4) stacked on top of each other. (1.8) take the first workpiece (4) and place it on the lower jaw (1.1) take it from the knee and place the second after placing the workpiece (5) then this first workpiece (4) and the second workpiece (5) 10 by joining them together by sewing, obtaining the third piece (6) and the obtained third the piece (6) is placed on the self-holding fabric movable shaft (1.9) This ergonomic work is for the operator (3). This ergonomic work is the production quantity In addition to increasing the operator's (3) fatigue, it also reduces the operator's (3) fatigue. In addition, the hand The third part (6) automatically attaches to the fabric holder movable shaft (1.9) 15 This arrangement eliminates the need for a single element to be continuously operational. This alone means a reduction in the cost of production for one person. It is a very important factor in reducing production costs. The lever sewing machine (1) developed in the invention is assembled as follows: 20 The main body (1.4) is welded to the upper jaw extension (1.7) part. The upper jaw extension (1.7) part is welded to the upper jaw (1.6). The main body (1.4) is welded to the lower jaw extension (1.5) part. The lower jaw extension (1.5) part is welded to the lower jaw (1.1). Upper jaw extension piece (1.7), upper jaw (1.6), lower jaw extension piece (1.5) 30 and the lower jaw (1.1) is fixed to the main body (1.4) with screws to the table (1.2). The main chassis strut (1.10) and the lower right chassis (1.11) are joined by welding. 7 The lower right chassis (1.11) and the middle connecting right chassis (1.12) are joined by welding. The middle link right chassis (1.12) and the middle link left chassis (1.13) are connected by welding. combined. The middle link is welded to the left chassis (1.13) and the left lower chassis (1.14). The stacking plate (1.15) is attached to the lower left chassis (1.14) with screws. The main chassis strut (1.10) is attached to the plate (1.2) with screws. 10 The stacking post (1.16) is attached to the stacking board (1.15) with screws. The stacking mobile inner post (1.17) shall be inside the stacking post (1.16) It is secured with screws. 15 The stacking table (1.8) is fixed to the stacking movable inner post (1.17) with screws. The fabric holder fixed shaft (1.18) is fixed to the stacking table (1.8) with screws. The fabric holder movable slide (1.19) is attached to the fabric holder movable shaft (1.9) by screw. It is fixed. The fabric holder movable slide (1.19) is fixed to the stacking table (1.8) with a screw. The invention is the lever sewing machine (1), - the upper jaw (1.6) located between the upper body (1.4) jaw extension (1.7) part and between the lower jaw (1.1) and the main body (1.4) positioned lower jaw extension (1.5) piece, 30 - the distance between the lower jaw (1.1) and the table (1.2) (1.3) is 30 centimeters a range of 65 centimeters (inclusive of 30 centimeters and 65 centimeters) 8 the length should preferably be 53 centimeters, so that the lower jaw (1.1) and stacking table (1.8) which is positioned between tables (1.2) includes (Figure-3). The stacking movable inner pole (1.17) inside the stacking pole (1.16) moves up and down. It can be adjusted to the desired distance. Stacking movable inner pole (1.17) stacking The screw securing it to the pole (1.16) is being removed, and the stacking movable inner pole (1.17) It is raised or lowered as much as desired, then bolted. It is fixed with. The stacking movable inner post (1.17) is linearly fixed with 10 There are holes arranged in a row, and after the height is adjusted, the holes are aligned with these holes. The screw is used to secure it. Because it is positioned on top of the stacking movable inner pole (1.17) upwards Height-adjustable stacking system by adjusting the downward distance to the desired level. 15 It has a table (1.8). The angle of the stacking table (1.8) relative to the ground can also be adjusted. The base part of the stacking pole (1.16) moves forward and backward 20 It is adjustable. There are two on the base piece of the stacking pole (1.16). There are channels. On these channels, the pole moves back and forth. It is adjustable. Because it is positioned on it, the stacking pole (1.16) moves forward and backward 25 Adjustable to the desired distance, allowing for forward and backward adjustment in the desired direction. There is a stacking table (1.8). The distance of the stacking table (1.8) forward and backward relative to the operator (3). It is adjustable. 30 Stacking end of the first workpiece (4) placed on the stacking table (1.8) It is located between the end of the table (1.8) and the fabric holder fixed shaft (1.18). 9 Thanks to the fabric holder movable slide (1.19) the fabric holder movable shaft (1.9) The distance that the end of the first workpiece (4) will pass by moving back and forth It increases – it decreases. 10 20 30

Claims

REQUESTS 1. The invention is a hand-operated sewing machine (1), the feature of which is; - the upper 5 located between the upper jaw (1.6) and the main body (1.4) jaw extension (1.7) part and between the lower jaw (1.1) and the main body (1.4) positioned lower jaw extension (1.5) piece, - the distance between the lower jaw (1.1) and the table (1.2) (1.3) is 30 centimeters A 10 in the 65 centimeter range (including 30 centimeters and 65 centimeters) the length should preferably be 53 centimeters, so that the lower jaw (1.1) and stacking table (1.8) which is positioned between tables (1.2) It includes.

2. The hand-operated sewing machine mentioned in Claim 1 is (1), and its feature is; on it Because of its position, the stacking movable inner post (1.17) is upward Its height can be adjusted by setting it downwards to the desired distance. It includes the stacking table (1.8).

3. The hand-operated sewing machine mentioned in Claim 1 is (1), and its feature is; on it because of its position, the stacking pole (1.16) in the forward and backward direction by adjusting it to the desired distance, it can be moved forward and backward at the desired distance. It includes an adjustable stacking table (1.8).

4. The hand-operated sewing machine mentioned in Claim 1 is (1), and its feature is that it can sew fabric onto it. The holder includes the stacking table (1.8) to which the fixed shaft (1.18) is fixed.

5. The lever sewing machine mentioned in Claim 1 is (1), and its feature is; fabric holder. The fabric holder movable slide (1.19) fixed to the movable shaft (1.9) 30 It includes the stacking table (1.8) to which it is fixed.

6. The lever sewing machine mentioned in Claim 1 is (1), and its feature is; fabric holder. By moving the movable shaft (1.9) back and forth, the first workpiece 11 (4) fabric that allows the distance the end will pass through to be increased or decreased It includes the retaining movable slide (1.19). 10 20 30