Sartorius with thread-cutting device
A sewing machine and thread cutting technology, which is applied in the field of sewing machines, can solve problems such as the inefficiency of sewing operability, difficult handling of sewing fabrics, and the need for a lot of effort in assembly, so as to achieve sewing operability, lighten assembly operations, and construct The effect of fewer parts
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[0018] Fig. 1 is a schematic perspective view of the whole of a three-needle cylinder sewing machine with a thread cutting device according to the present invention, Fig. 2 is an exploded perspective view of the constituent parts of the thread cutting device, and Fig. 3 is a thread cutting device with a part of the sewing machine cross-cut to serve as the main part Near the top view of the center, Fig. 4(A) is an enlarged longitudinal sectional view along the X-X line of Fig. 3, and Fig. 4(B) is an enlarged view of part B of Fig. 4(A). In this three-needle cylinder sewing machine M, a sewing machine main shaft, a needle drive mechanism, and a presser foot drive mechanism are provided extending forward from the lower portion of the sewing machine base (sewing machine body) 2 (since these components are known, so The detailed structure and description thereof are omitted) of the sewing machine arm 3 and the cylindrical seat 1.
[0019] As shown in FIG. 2, the cylindrical seat 1 ...
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