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[This patent text was translated from Chinese to English and published about 10 years ago. Critical information has been modified before being posted here]

[54] Title of The Invention: Folding sectional sewing assembly
[57] Abstract

This invention involves a type of folding sectional sewing assembly, which is used to sew pocket lid, collar and so on. The sewing assembly consists of the following parts: the mainbody of the assembly (1), the presser foot (2) installed at the head of the sewing machine, the needle plate (3) at the face of the workbench, the cloth-feeding tooth-plate (4) on the back of the workbench. The mainbody of the assembly consists of base plate (11), crimping graticule (12) and panel (13). In the middle of the base plate, there is a hollowed track (111) accommodating the stitches on the sewed clothing parts. On the surface of the base plate along both sides of the hollowed track, crimping graticule 12 and panel 13 are connected in length direction respectively. The crimping graticule can rotate around its hemline. On the periphery of the surface of the crimping graticule, a protruding crimping line 121 is set up. A hollowed track (131) is set on the panel. A press roll (21) is set downwards on the presser foot. And on the needle plate, the protruding needle hole 31 is set between two cloth-feeding toothed hollowed lines. This invention has many distinguished characteristics. It is economical and practical with high working efficiency and stable operation. Its sewing effect and sewing speed can compete with those of the similar equipment imported from abroad.

Claims

A type of folding sectional sewing assembly, which features that: the sewing assembly consists of the following parts: the mainbody of the assembly (1), the presser foot (2) installed at the head of the sewing machine, the needle plate (3) at the face of the workbench, the cloth-feeding tooth-plate (4) on the back of the workbench. The said mainbody of the assembly (1) consists of base plate (11), crimping graticule (12) and panel (13). In the middle of the base plate (11), there set a hollowed track (111) accommodating the stitches on the sewed clothing parts. On the surface of the base plate (11) along both sides of the hollowed track (111), crimping graticule (12) and panel (13) are connected in length direction respectively. The crimping graticule (12) can rotate around its hemline. The girth of the periphery of the crimping graticule (12) is smaller than that of the inside track of the hollowed track (111) on the base plate. On the periphery of the surface of the crimping graticule (12), a protruding crimping line (121) is set up. On the panel (13), a hollowed track (131) is set corresponding to the one on the base plate. A press roll (21) is set downwards on the presser foot (2). And on the needle plate (3), the projected needle hole (31) is set up between two cloth-feeding tooth hollowed lines (32).
A type of folding sectional sewing assembly according to Claim 1, which features that：on the base plate (11), a protruding antislip strip (112) is set on the periphery of the hollowed track (111).

Technical Field

This invention involves a type of clothes sewing devices, especially a type of folding sectional sewing assembly used for sewing the clothing parts like pocket lid, collar and so on.

Background Information

Facing the rapid development of the clothing industry, manufacturing factories expect to have a variety of equipments and manufacturing tools that can manufacture products very quickly and ensure a consistently high quality as well. Some foreign companies, such as Duerkopp (a German company) and Lishi (an American company), produced a type of mold coping machine and prefabricating workstation that have an automatic programmed control for processing of clothing parts like pocket lid, collar and so on.. The clothing equipment produced in famous foreign clothing machine companies have the advantages of stable operation and fine manufacturing technique. But their high prices keep most Chinese garment producers from purchasing in large scale. If purchasing advanced foreign manufacturing equipment, the Chinese company has to purchase their serial manufacturing mold and Internet applications with high price as well. Ordinary Chinese companies cannot afford this. And this also leads to low working efficiency. As a result, it will definitely restrict the technical innovation of the small and medium-sized clothing enterprises in our country.

Details of The Invention

The objective of said invention is to overcome the above shortcomings and provide a type of economical and practical folding sectional sewing assembly. This sewing assembly is of high working efficiency and stable operation. Its sewing effect and sewing speed can compete with those of similar equipment imported from abroad.
The objective of said invention is achieved in this way: a type of folding sectional sewing assembly is designed, which consists of the following parts: the mainbody of the assembly, the presser foot installed at the head of the sewing machine, the needle plate at the face of the workbench, the cloth-feeding tooth-plate on the back of the workbench. The mainbody of the assembly consists of base plate, crimping graticule and panel. In the middle of the base plate, there is a hollowed track accommodating the stitches on the sewed parts. On the surface of the base plate along both sides of the hollowed track, crimping graticule and panel are connected in length direction respectively. The crimping graticule can rotate around its hemline. The girth of the periphery of the crimping graticule is smaller than that of the inside track of the hollowed track on the base plate. On the periphery of the surface of the crimping graticule, a protruding crimping line is set up. On the panel, a hollowed track is set corresponding to the one on the base plate. A press roll is set downwards on the presser foot. And on the needle plate, the protruding needle hole is set between two cloth-feeding toothed hollowed lines.