TWI227757B - Sewing machine for decorative stitch - Google Patents

Abstract

The invention enables a sewing machine for decorative stitch to comfortably perform sewing operations by preventing a spreader from disturbing the sewing operations when decorative stitch is not performed. A spreader mechanism 10 is provided with rotating parts (a first rotating part 161 and a second rotating part 162) which rotate in synchronization with the reciprocating motion of a needle bar and spreaders (a first spreader part 181 and a second spreader part 182) which are detachably held by the rotating parts. The rotating parts are provided with a positioning part (a first protrusion 1612, a second protrusion 1622, a first rotation restricting piece 1613 and a second rotation restricting piece 1623) for positioning the spreader parts in holding them. Accordingly, only by fitting the spreaders to the rotating parts and holding them, the direction and the length are determined by the positioning means and the workability of fitting operations is dramatically improved.

Description

1227757 Α7 Β7 V. Description of the Invention (1) [Technical Field] The present invention relates to a pattern sewing machine. (Please read the precautions on the back before this page) [Advanced Technology] In recent years, due to the variety of personalization, the demand for embroidery sewing machines in home sewing has increased, or general sewing machines have also been required to expand the types of pattern sewing. Even the selvedge sewing machine considers the function of pattern stitching under the double loop stitch formed by multiple stitches. The back shows the reel thread on the surface of the clothing month β as a new pattern of pattern stitching. In response to the above requirements, even the surface pattern sewing has applied various ideas. In addition to general sewing or side sewing, pattern sewing is also added, and pattern sewing sewing machines in which the pattern sewing unit is mounted on the sewing machine body are already on the market. The pattern sewing unit is equipped with an expansion device that is driven back and forth in synchronization with the up and down movement of the needle fixing rod. The pattern sewing used by the expansion device is combined with the general stitching used by the sewing needle or the side line used by the stitch. Car. Sewing to achieve pattern sewing. Printed by the Intellectual Property of the Ministry of Economic Affairs ^ Employee Consumer Cooperatives. Japanese Patent Laid-Open No. 10—85 47.1 describes the use of a surface-type pattern switching mechanism to switch the expansion device to active and inactive. According to this sewing machine, the surface pattern switching mechanism is used to switch the expansion device to active and inactive use. When the expansion device is in the operating state, the pattern sewing from the normal side and the back pattern sewing from the back of the fabric are applied. The surface seam, if the expansion device is inactive, the usual side seam and back pattern seam, especially the back seam from the back of the fabric, so that it can be sewn safely and well without interference with the expansion device . This paper size applies Chinese National Standard (CNS) A4 (210X297 mm) -4-1227757 A7 B7 V. Description of the invention (2) In addition, according to Japanese Patent Laid-Open No. 2000- 1 2 0 8 6 4 Bulletin 'Improved. The installation position and operating position of the expansion device and the position of the drive mechanism do not allow the expansion device to swing. The rear side of the needle fixing rod and the pressing rod is provided with a drive mechanism for swinging the thread rod, so that danger is avoided during sewing, and the operation does not hinder the feeding of the cloth. In addition, in Japanese Patent Application Laid-Open No. 5 9-2 9 9 8 9, it is not necessary to directly drive the swing bar by a linear stepping motor. (References: Japanese Patent Laid-Open No. 108-8 5 4 7 丨, Japanese Patent Laid-Open No. 200 1-1 20864, Shiko Sho 59-29-29989) [Problems to be Solved by the Invention] However, Japanese Patent Laid-Open No. 1 0 — 8 5 4 7 The sewing machine described in Gazette No. 1 is not used for surface pattern sewing, but when it is used as a general sewing machine. Switching to the inactive state and retracting the needle to the top or back, compared with a general sewing machine without a surface sewing mechanism, the swinging thread lever mechanism is exposed to the needle fixing rod, which hinders the sewing operation and deteriorates safety. The problem. In addition, in the structure described in Japanese Patent Laid-Open No. 2000-1-2 0 8 64, the drive mechanism of the swinging thread rod which is driven together with the needle fixing rod is integrally mounted near the needle of the sewing machine body. Therefore, even when the swing wire rod is switched to the inactive state via the clutch mechanism, the paper size will still apply the Chinese National Standard (CNS) A4 specification (210X 297 mm) -5-(Please read the precautions on the back first (Re-_ this page) Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economy 1227757 A7 B7 Printed by the Consumers’ Cooperative of the Intellectual Property Bureau of the Ministry of Economy In addition, the sewing machine described in Japanese Patent Publication No. Sho 5 9 — 2 9 9 8 9 ’is driven by a drive shaft extending from a linear stepping motor built into the sewing machine body, and it is fixed to the sewing machine's scalp. ; A plurality of swinging thread bars that move back and forth to the left and right are arranged near the needles on the fabric, so the sewing operation will cause great difficulties in the operation of the fabric. Even a sewing machine that can be switched to whether to perform surface pattern sewing is not convenient. The problem of adopting this constitution. In order to solve the above-mentioned problems, the technical problem of the present invention is that, for a pattern sewing machine, when the pattern sewing is not performed, the swing thread bar does not interfere with the sewing operation, and the sewing operation can be performed smoothly. [Means to solve the problem] In order to solve the above technical problems, the first item of the present application for a patent is directed to a needle fixing rod provided with a needle for reciprocating up and down, and a needle facing and feeding near the needle on the fabric. The pattern sewing machine with a swing bar mechanism of a swing bar mechanism that reciprocates horizontally in a cloth direction is characterized in that the swing bar mechanism includes a rotating portion that reciprocates in synchronization with the reciprocating motion of the needle fixing rod, And a swinging wire rod portion capable of being detachably held in the rotating portion; positioning means for positioning the swinging wire rod portion when the swinging wire rod portion is gripped is provided in the rotating portion. According to item 1 of the patent application of the present invention, the swing wire rod mechanism is divided (please read the precautions on the back first, then this page)-Binding and binding The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 (Mm) -6 · 1227757 A7 B7 V. Description of the invention (4) (Please read the precautions on the back before ^ Γ this page) Cut into rotating parts that can reciprocate with the reciprocating motion of the needle fixing rod and form a pattern The swinging wire rod portion such as a wire hole and the swinging wire rod portion can be detachably held on the rotating portion. Therefore, when a swinging wire rod such as a pattern sewing is used to form a sewing pattern, the swinging wire rod portion is mounted on the rotation. When the type of sewing of the swing thread bar is not used, for example, when only ordinary sewing is performed, the sewing operation can be performed by removing the swing thread bar portion from the rotating portion. Therefore, the swinging thread bar does not hinder the sewing operation, and the sewing operation can be performed smoothly. In addition, when the swing wire rod mechanism is provided in a divided configuration, the direction or length of the swing wire rod portion must be adjusted when the swing wire rod portion is mounted on the rotating portion. At this point, the present invention is provided with positioning means on the rotating portion, so the swing wire rod portion is mounted and held on the rotating portion, and the direction or length is determined by the positioning means. Therefore, the installation work of the expansion device portion is improved. In addition, the second patent application of the present invention is the same as the first patent application, wherein the swing wire rod portion includes a holding shaft portion held by the rotating portion, and a swing extending from the holding shaft portion to form a pattern stitch at the tip. The wire rod wrist is formed. The consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs has printed the positioning means including: a rotation direction positioning means for determining a rotation direction position of the swing line rod part in the axis rotation direction of the holding shaft part, and a determination of the swing line. An axial direction positioning means for the shaft portion in an axial direction position in the axial direction of the grip shaft portion. According to the second patent application of the present invention, the swinging threaded rod is configured to include a holding shaft portion held at the shaft moving portion and a swinging threaded arm arm extending from the holding shaft portion to form a patterned thread hole at the tip. Then, the rotation part is provided with the rotation position (direction) of the swing line rod part which determines the axis rotation direction of the holding shaft part. This paper size applies the Chinese National Standard (CNS) A4 specification (210X 297 public holidays). 7-~ 1227757 A7 B7 Economy Printed by the Ministry of Intellectual Property Bureau's Consumer Cooperatives. 5. Description of invention (5) Rotation direction positioning means, and axial direction positioning means that determine the position of the axis of the holding shaft and the position of the swing wire rod. Therefore, when the swing wire rod portion is held on the rotating portion, the rotation position (direction) and the axial direction position of the swing wire rod portion are set by the shaft rotation direction positioning means and the axial direction positioning means, and it is not necessary to manually adjust the position of the swing device portion. To complete the positioning. In addition, the third patent application of the present invention is the same as the first or second patent application, wherein the rotating portion includes a swinging wrist portion swinging around the center of rotation of the rotating portion, and the swinging arm holds the swinging line. Rod part 0 According to the third aspect of the present invention, since the swing arm is formed to hold the swing wire rod swinging around the center of rotation of the rotating part, the swing motion of the swing arm is transmitted to the swing wire lever part. Therefore, the swinging motion of the swinging wire rod can be realized. In addition, the fourth patent application of the present invention is the same as the third patent application, wherein the swing wrist includes a first swing wrist and a second swing wrist that have the same swing center. The first swinging wrist portion and the second swinging wrist portion are synchronized with the up and down movements of the needle fixing rod to swing in opposite directions from each other. The first swinging wrist portion can detachably hold the second swinging wire rod portion. ; In the aforementioned second swing wrist portion, the second swing wire rod portion can be detachably held. According to item 4 of the patent application of the present invention, since the swing wire rod portion is provided with at least two (the first swing wire rod portion and the second swing wire rod portion), they can be respectively held on the swing wrist portion (the first swing Wrist and 2nd swinging wrist) 'So even if you use 2 or more swinging wire rods to achieve complex flower sample paper size Applicable to China National Standard (CNS) A4 size (210X297 mm) (Please read the note on the back first Matters re_ 舄 this page) -8-1227757 A7 B7 Printed by the Consumers' Cooperative of the Intellectual Property Office of the Ministry of Economic Affairs 5. Description of the invention (6) Sewing pattern sewing machine can also be improved by removing the swinging thread lever Workability during general sewing. In addition, since it is possible to attach and detach each of the swing thread rod portions, only one swing thread rod can be installed for pattern sewing, and the pattern sewing can be variously changed. In addition, the fifth patent application of the present invention is the same as the fourth patent application, which further includes a rotary drive source including an output shaft that reciprocates and a swing that is mounted on the output shaft and rotates integrally with the output shaft. A wire rod driving piece, a first connecting rod with one end connected to the swinging wire rod driving piece and the other end connected to the first swinging wrist, and one end thereof connected to the swinging wire rod driving piece and the other end connected to the foregoing The second connecting rod of the second swinging wrist; the position of the first connecting rod at the position of the swinging wire rod driving piece and the position of the second connecting rod at the swinging wire rod driving piece sandwiching the output shaft . According to item 5 of the patent application of the present invention, both the first swing arm and the second swing arm are attached to the swing wire rod driving piece via a link rod (the first link rod and the second link rod), and this swing wire rod drives The piece is integrally mounted to the input shaft of the rotary drive source. Then, since the two connecting rods are mounted to the mounting position of the driving piece, the positional relationship between the output shafts is clamped. Therefore, the driving of the swinging wire rods driven in the opposite directions from one driving source is realized. Therefore, the configuration of the link for driving the swinging rod is simplified. In addition, the structure of two swing wire rod parts that can be attached and detached from different paths through the path through the first swing wrist and the path through the second swing wrist is realized, such as Japanese Patent Sho Sho 5 9- It is described in JP 2 9 9 8 to make each swing (please read the precautions on the back before this page)

A. Binding and binding The paper size is applicable to Chinese National Standard (CNS) A4 specification (210X 297 mm) -9-1227757 A7 ____B7 V. Description of the invention (7) The wire rod moves back and forth in opposite directions and forms a rack Compared with the gear transmission structure of gears, it can be constructed at extremely low prices. However, it is more appropriate that the drive source is a stepping motor that can control the amount or speed of rotation. In addition, "the 6th patent application of the present invention is the same as the 1st patent application", wherein the rotation portion includes a rotation shaft portion that rotates around the rotation center of the rotation, and the swing wire rod portion is held by the rotation shaft portion. According to the sixth aspect of the present invention, the invention has a structure in which a rotating shaft portion is rotated around the center of the rotating portion of the rotating portion, and the swinging wire rod is held by the rotating portion. Therefore, the rotating shaft portion is rotated. When the motion is transmitted to the swing bar, the swing motion of the swing bar can be realized. In addition, the seventh aspect of the present invention is the same as the sixth aspect of the patent application, wherein the swing wire rod includes an outer gripping portion that is externally inserted into the outer periphery of the rotating shaft portion, and extends from the extrapolation gripping portion at the front end. The swing thread arm wrist portion forming the pattern silk thread hole is configured, and the outer plugging portion and the rotation shaft portion can be detachably tied by a binding means. According to item 7 of the patent application of the present invention, because the swing wire rod part is extrapolated (please read the precautions on the back before ^^ this page) In order to carry the package, the upper shaft of the lower part of the Ministry of Security and Safety is moved to the center of the shaft, and the empty rod line is turned to the center. If it is a solid pendulum, it will be inserted into the shape of the needle. For the special shaft cylinder inserted by the first Mf and the ifn shaft of the non-profit department, the internal cylinder of the moving cylinder is required to apply the forward movement described in the safety line. The shaft of the r-axis and the shape of the cylinder shaft make Abenqi pass through the outer cylinder. The outer shaft can be inserted into the outer part to the moving part. Another 7 can be inserted into the front shaft or the paper. The scale applies to Chinese National Standard (CNS) A4 specification (210X 297 mm)-10-1257757 A7 B7 V. Description of the invention () Synchronized to reciprocate in opposite directions to each other; can be held in the outer cylinder shaft The first swinging wire rod can hold the second swinging wire rod portion on and off from the inner cylinder shaft, and the outer cylinder shaft is formed to determine the rotation direction of the first swinging wire rod portion corresponding to the inner cylinder shaft. Position rotation direction positioning means and axial direction positioning means for determining the axial direction of the outer cylinder shaft and the axial position of the second swinging rod of the second cylinder; formed on the inner cylinder shaft: determining the aforementioned corresponding to the inner cylinder shaft Rotation direction positioning means for the rotation direction position of the second swing wire rod portion, and axial direction positioning means for determining the axial direction of the inner cylinder shaft and the axial direction position of the second swing wire rod. According to the eighth patent application of the present invention, the swing wire rod portion is configured with at least two (the first swing wire rod portion and the second swing wire rod portion), and can be detachably held on the rotating shaft portion ( Outer cylinder shaft and inner cylinder shaft), so even for a pattern sewing machine that can achieve complicated pattern sewing using two or more swing thread rods, it is improved to remove the swing thread rod portion and perform only general stitching. Workability. In addition, since each swing thread bar can be attached and detached, for example, only one swing thread bar can be installed for pattern sewing, and the pattern sewing can be variously changed. Furthermore, it is possible to realize a structure in which two swing wire rod portions that can be attached to and detached from a path passing through the outer cylinder shaft and a path passing through the inner cylinder shaft are moved in opposite directions, as compared with Japanese Patent Sho Sho 5 9 -2 9 It is described in JP 9 9 that in order to reciprocate each swing wire rod in the opposite direction, the gear structure of the rack and pinion can be constructed at a very low price. This paper size applies to China National Standard (CNS) A4 specification (210X297 mm) -11-(Please read the precautions on the back before this page), -5 mouth printed by the Intellectual Property Bureau employee consumer cooperative of the Ministry of Economic Affairs 1227757 A7 _ B7 V. Description of the invention (9) In addition, in order to solve the above-mentioned technical problem, the ninth patent of the present invention (the second invention) is directed to a needle fixing rod that reciprocates up and down by holding a sewing needle, and The pattern sewing sewing machine with a swinging thread bar that reciprocates in the horizontal direction intersecting the feeding direction near the upper needle is characterized in that: it is provided with a mechanism for integrally holding the swinging thread rod and driving the swinging thread rod through a link mechanism. A stepping motor, and a patterned sewing unit unit that is detachably mounted on the sewing machine body with a fixing protrusion, and is arranged on the sewing machine body and a control circuit connector that can be inserted into a connection input port of a control system, The pattern sewing can be performed by attaching the pattern sewing unit to the sewing machine body when necessary. The pattern sewing unit has a structure that integrally holds a swinging thread bar necessary for the pattern sewing, and is formed so that the pattern sewing unit can be implemented by attaching the pattern sewing unit to the main body of the sewing machine when necessary. This way, when the general sewing is performed without the need for pattern sewing, the swing thread bar mechanism is not installed on the sewing machine body, so it is completely the same as a general sewing machine, and because there are no structural accessories that hinder the sewing operation, the sewing Easy to improve workability. Furthermore, when the user purchases a sewing machine, after purchasing only the sewing machine body according to the purpose, if necessary, an additional pattern sewing unit can be purchased to expand the degree of freedom of machine selection, which has an economic advantage. In addition, in the present invention, the patent application item No. 10 is the same as the patent application item No. 9. The display unit is formed on the sewing machine body. The pattern sewing unit device is attached to the sewing machine body, and the connector to which the control circuit is connected is detected. , And the aforementioned display section is switched to the display content dedicated to pattern sewing; this paper size applies to the Chinese National Standard (CNS) A4 specification (210X 297 mm) -12-(Please read the precautions on the back before

Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 1227757 B7 V. Description of the invention (10) (Please read the precautions on the back before this page ^^) When the aforementioned pattern sewing unit is not attached to the sewing machine body, it is tested When it is not connected, the control circuit connector is described, and the aforementioned display section displays the content of the general sewing type. According to item 10 of the patent application of the present invention, when the pattern sewing unit is installed, the display content of the display on the main body of the sewing machine automatically becomes the special display for pattern sewing, and when the pattern sewing unit device is removed, the display The displayed content of the display automatically becomes the display of the general sewing type, so it can automatically display the display content that does not meet the user's purpose, and can use the sewing machine smoothly. In addition, "the 11th patent application of the present invention is the same as the 9th or 10th patent application", wherein the aforementioned swing wire rod is a swing wire rod that reciprocates in opposite directions and has a pair of a plurality of wire holes each. As a result, the stepping motor drives the pair of swinging wire rods via a two-link mechanism. The Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs printed the 11th patent application according to the present invention. Since it is a link mechanism that drives two systems with one stepping motor, it is connected to each link mechanism. Compared with that described in Japanese Patent Publication No. 5 9-2 9 9 8 9, in order to reciprocate the respective swing rods in opposite directions, the gear structure of the rack and pinion is compared to that described in Japanese Patent Publication No. 5 9-2 9 9 9. Can be constructed at extremely low prices. [Embodiment] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. (Table 1 implementation form) This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -13- 1227757 A7 B7 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (1) This example includes this Embodiments of the first to fifth patent applications. Refer to Figures 1 to 6 to explain the pattern of this brother. Fig. 1 shows the pattern sewing machine 100 of this example. As shown in the figure, the pattern sewing machine 100 of this example is provided with a needle fixing rod 2 that reciprocates up and down while holding the sewing needle 1, and is located on the top of the cloth (not shown) of the sewing material and is near the sewing needle 1. (Near the sewing needle on the top of the fabric) The swing thread rod portion 1 8 1 that reciprocates (oscillates) in a horizontal direction (direction indicated by arrow A in the figure) crossing the feed direction (direction indicated by arrow A in the figure) and 1 8 2 of the swinging wire rod mechanism 10. Fig. 2 is a partial cross-sectional view of the swinging thread mechanism of the sewing machine 100 installed in the pattern sewing machine shown in Fig. 1 when viewed from the operator's direction (front direction). Fig. 3 is a side view of the swinging wire rod mechanism. Figures 4 and 5 are the bottom views of the swing bar mechanism. As shown in Fig. 2, the swing thread lever mechanism 10 is attached to the lower left end portion of the sewing machine arm bed A through the bracket 21. On the bracket 2 1, a stepping motor 11 is placed on the upper part, and the bolts 12 are fixed together. The output shaft 1 3 is protruded below the stepping motor 11 (refer to Figs. 3, 4, and 5), and the swing shaft driving plate 1 4 is coaxially mounted on the output shaft 1 3 (refer to Figs. 4 and 5). ). As shown in FIGS. 4 and 5, the first connecting rod 1 5 a and the second connecting rod 1 5 b are rotatably mounted on the swing wire rod driving plate 14 by the shafts 1 7 1 a and 1 7 1 b, respectively. One end. The mounting position of the swing wire rod drive piece 14 attached to the first link lever 1 5 a and the mounting position of the swing wire rod drive piece 14 attached to the second link lever 1 5 b are clamped (please read the back first) Note for re-^^ this page) The paper size of the booklet is in accordance with the Chinese National Standard (CNS) A4 (210X297 mm) -14-1227757 A7 B7 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 12) Positional relationship of output shaft 13. At the other end of the first connecting rod 1 5 a, the first rotating portion 16 1 is freely rotated by a shaft 1 7 2 a. This first rotating portion 16 x includes: a shaft supported by a rotating shaft 19, a connecting rod 1 6 1 a connected to the first connecting rod 15 a, and a first swing wire rod 1 8 which will be described later. Further, a first swinging arm portion 1 6 1 b swinging around the rotation axis and an inner cylinder shaft portion 16 ic which is freely rotatably inserted into the outer periphery of the rotation shaft 19 are configured. At the other end of the second connecting rod 1 5 b, the second rotating portion 1 6 2 is freely rotated by an axis χ 7 2 b. This second rotating portion 1 6 2 is provided with a supporting portion 1 6 2 a which is supported on the rotating shaft 19 in the same manner as the first rotating portion 1 6 1 and is connected to the second connecting rod 1 5 b and a grip. A second swinging rod section 1 8 2 to be described later and a second swinging section 1 6 2 b swinging around a rotating shaft as a center, and a cylindrical shaft that is freely rotatably inserted into the outer periphery of the inner cylindrical shaft section 1 6 1 c The unit 1 6 2 c is configured. As shown in Fig. 2, a rotation shaft 19 is attached to the right end portion of the bracket 21 in the figure. A hollow inner cylinder shaft 1 6 1 c is rotatably mounted on the outer periphery of the rotation shaft 19. A hollow outer cylinder shaft 1 6 2 c is rotatably mounted on the outer periphery of the inner cylinder shaft 1 6 1 c. Then, the first swinging wrist portion 16 1 b is connected to the inner cylinder shaft 1 6 丨 c, and the second swinging wrist portion 1 6 2 b is connected to the outer cylinder shaft 1 6 2 c. As can be understood from Figs. 4 and 5, the first swing wire rod 1 8 1 includes a first holding shaft portion 1 8 1 a and a first swing wire rod 1 8 1 b. The 1st holding shaft part 1 8 1 a is for holding the 1st swinging wrist part (please read the precautions on the back first and then the page) r installation ·, ·! 'The size of the paper is applicable to the Chinese national standard (CNS) A4 specification (210X 297 mm) · 15-1227757 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. 5. Description of the invention (13) 1 6 1 b and formed into a rod. Figure 6 shows only the first 1 A perspective view of the swinging wire rod 1 8 1 and the second swinging wire rod portion 1 8 2. As shown in FIG. 6, the first swinging wire frame wrist portion 1 8 1 b is from the first holding shaft portion 1 8 1 a The continuous portion includes: the first holding shaft portion 1 8 1 a which is bent to extend to the obliquely lower portion 1 8 1 1, and the lower end of the obliquely lower portion 1 8 1 1 is bent to the horizontal direction and It is a horizontal part 1 8 1 2 that extends in the same direction as the first holding shaft part 1 8 1 a, and then bends from the horizontal part 1 8 1 2 and extends in a horizontal direction with a rotation axis 19 as an arc. The pattern silk thread hole part 1 8 1 3 is formed. In addition, the pattern silk thread hole part 1 8 1 3 is formed in the pattern silk thread hole part 1 8 1 3 a. Ask the sample 'brother 2 to swing the thread stand 182 As can be understood from FIGS. 4 and 5, the second holding shaft portion 182 a and the second swing arm wrist portion 182 b are configured. The second holding shaft portion 182 a is held on the second swing arm portion 1. The portion of 6 2 b is formed in a rod shape. In addition, it can be understood from FIG. 6 that the second swinging wire arm 1 8 2 b is a continuous portion from the second holding shaft portion 1 8 2 a and includes: from the second The holding shaft portion 1 8 2 a is bent to extend to the inclined lower portion 1 8 2 1, and the lower end of the inclined falling portion 1 8 2 1 is bent to further horizontally and is connected to the second holding shaft portion 1 8 2 a Horizontal part 1 8 2 extending in the same direction, and then curved from its horizontal part 1 8 2 2 to the horizontal direction and a pattern line hole part 1 8 2 3 extending in an arc shape with the rotation axis 19 as the center. It is formed. In addition, the pattern silk thread hole 1 8 2 3 is formed at the pattern silk thread hole 1 8 2 3 a. Please read the notes first

Order h% This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -16-1227757 A7 B7 V. Description of the invention (ι4 > As shown in Figure 2, in the first swing wrist 1 6 1 b A raised portion 1 6 1 1 is formed, and the first holding shaft portion 1 8 1 a is inserted through the protruding portion 1 6 1 1. In addition, the first swing arm 1 6 1 b is shown in FIG. 4. The first convex portion 1 6 1 2 is formed on the lower end side. The first convex portion 1 6 1 2 is formed at a position opposite to the portion where the first holding shaft portion 1 8 1 a passes through the protruding portion 1 6 1 1. Therefore, the first holding shaft portion 1 8 1 a is restricted from being inserted upwardly in a state of abutting against the first convex portion 1 6 1 2. Using this first convex portion 1 6 1 2 ′, the first holding shaft portion 1 8 can be determined. Position of the first swing wire rod portion 1 8 1 in the axial direction of 1 a in the axial direction. Similarly, a raised portion 1 6 2 1 is formed in the second swing wrist portion 1 6 2 b (see FIG. 2). The second holding shaft portion 1 8 2 a is inserted through the protruding portion 1 6 2 1. In addition, a second convex portion is formed on the lower end side of the second swing arm portion 1 6 2 b as shown in FIG. 4. 1 6 2 2. This second convex portion 1 6 2 2 is formed at and The position of the second holding shaft portion 1 8 2 a passing through the protruding portion 1 6 2 1 is opposite to the surface. Therefore, the second holding shaft portion 1 8 2 a is restricted from abutting against the second convex portion 1 6 2 2. Plug in. Use this second convex portion 1 6 2 2 to determine the axial positioning of the second swing wire rod portion 1 8 2 in the axial direction of the second holding shaft portion 1 8 2 a. In addition, as shown in FIG. 2 and As shown in FIG. 3, a second rotation restricting piece 1 6 1 3 is formed on the first swinging wrist portion 16 1 b, and a second rotation restricting piece 1 6 2 3 is formed on the second swinging wrist portion 16 2 b. 2 The 1st rotation restriction piece 1 6 1 3 (the 2nd rotation restriction piece 1 6 2 3) shown in the figure is applicable to the Chinese paper standard (CNS) A4 size (210X 297 mm) to clamp this paper size (please read the back first) Please note this page before filling in this page) Clothes · Fill in the booklet printed by the employee's consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs -17- 1227757 A7 B7 15 V. Description of the invention () (Please read the notes on the back before this page) Section 1 It is formed by the state of the swing wire rod portion 1 8 1 (the second swing wire rod portion 1 8 2). It is known from the figure that the left piece becomes the left restriction piece 1 6 1 3 a (the left restriction piece 1 6 2 3 a) 'Right slice It becomes the right side limiting piece 1 6 1 3 b (the right side limiting piece 1 6 2 3 b). The side shape of each piece 1 6 1 3 a (1 6 2 3 a), 1 6 1 3 b (1 6 2 3 b) As represented by the left limiting piece 1 6 2 3 a in FIG. 3, it extends obliquely downward and its tip becomes a circular shape. Then, a part of the circular part is viewed from the side of FIG. 3 and is formed in a state where it interferes with the inclined lower part 1 8 2 1 of the swing arm wrist part 1 8 2 b. Therefore, even if the ramp-down portion 1 8 1 1 (the ramp-down portion 1 8 2 1) is rotated around the first holding shaft portion 1 8 1 a (the second holding shaft portion 1 8 2 a), the left limiting piece 1 The interference caused by 6 1 3 a and the right limiting piece 1 6 1 3 b (the left limiting piece 16 2 3 a and the right limiting piece 1 6 2 3 b) cannot be rotated in any direction in the past, and the rotation is restricted. Therefore, the first rotation restricting piece 1 6 1 3 (the second rotation restricting piece 1 6 2 3) is provided with the axis rotation direction of the first holding shaft portion 1 8 1 a (the second holding shaft portion 1 8 2 a). 1 The swing direction lever means 1 8 1 (the second swing thread lever portion 1 8 2) functions as a rotation direction positioning means. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. However, although this example shows that the rotation of the ramp-down part 1 8 1 1 (1 8 2 1) is restricted by the rotation restriction piece 1 6 1 3 (1 6 2 3) An example in which the rotation direction of the swing wire rod portion is positioned by moving, but the present invention is not limited to this example. As long as it is a part whose position is moved by rotation, it may be restricted even if there is no ramp-down part like this example. In addition, as shown in Figures 4 and 5, the paper size of the first swinging wrist applies the Chinese National Standard (CNS) A4 (210X297 mm) -18-1227757 A7 B7 V. Description of the invention (16) 16lb (Second swing arm 162b) An i-th spring 221 (second spring 2 2 2) is attached. This first spring 2 2 1 (second spring 2 22) is mounted so that the first holding shaft portion 18 la (second holding shaft portion 1 8 2 a) is held on the first swinging wrist portion 1 6 1 b (second When swinging the wrist 1 6 2 b), it straddles the first holding shaft portion 1 8 1 a (the second holding shaft portion 1 8 2 a), and this spanning portion 2 2 1 a (the spanning portion 222a) generates elastic force and The first holding shaft portion 1813 (the second holding shaft portion 1 8 2 a) is clamped and fixed. Regarding the swinging thread rod mechanism 10 configured as described above, from the state of FIG. 4, that is, the first swinging thread rod portion 1 8 1 and the second swinging thread rod portion 1 8 2 are closest to each other and the pattern thread hole 1 8 1 3 It is located at the left dead point, and the pattern silk hole 1 8 2 3 is located at the right dead point. The stepping motor 1 1 is driven, and the output shaft 13 is rotated in the counterclockwise direction in the fourth figure. Therefore, the swing bar driving plate 14 mounted on the output shaft 13 also rotates in the counterclockwise direction. The counterclockwise rotation of the swing wire rod driving piece 14 is transmitted to the first connecting rod 15 a which is mounted on the swing wire rod driving piece 14 freely, but the state shown in FIG. 4 is the swing wire rod driving. The sheet 14 rotates in a counterclockwise direction and acts in a direction in which the first link rod 15a is extended. Therefore, the first connecting rod 15a is extended by the swing wire rod driving piece 14 and is moved to the direction of the arrow A in the figure. This movement of the first connecting rod 1 5 A in the direction of the arrow A in the figure also acts on the connecting rod 1 6 1 a connected to the first rotating portion 1 6 1 of the first connecting rod 1 5 a by the shaft 1 7 2 a. , The connecting rod 1 6 1 a also moves to the arrow A direction side in the figure. Since the first rotating part 1 6 1 uses the rotating shaft 19 to form a shaft support, this connecting rod 1 6 1 a applies the Chinese National Standard (CNS) A4 specification (2i0x 297 mm) to this paper size -19-(Please Please read the precautions on the back first and then this page) Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs and printed by 8 Industrial Consumer Cooperative 1227757 A7 B7 V. Description of the invention (17) The moving force in the direction of the arrow A in the figure is regarded as the first rotation The entire portion 1 6 1 forms a clockwise rotating force, and the first swinging portion 1 6 1 b also rotates clockwise with the rotation axis 19 as a fulcrum, and is held in the first swinging portion 1 6 1 b. The swing wire rod portion 181 is changed from the open state shown in FIG. 5 to the closed state shown in FIG. 4. In addition, the counterclockwise rotation of the swing wire rod driving piece 14 is also transmitted to the second connecting rod 1 5 b that is mounted on the swing wire rod driving piece 14 freely. However, the state shown in FIG. 5 is the swing wire rod. The driving piece 14 rotates in a counterclockwise direction and acts in a direction in which the second link rod 15b is pressed. Therefore, the second link rod 15b is pushed in by the swing wire rod driving piece 14 and is moved to the direction of the arrow D in the figure. This movement of the second connecting rod 1 5 b toward the arrow D in the figure also acts on the connecting portion 1 6 2 connected to the second rotating portion 1 6 2 of the second connecting rod 1 5 b by the shaft 1 7 2 b. a, the connecting rod 1 6 2 a also moves to the direction of the arrow D in the figure. Since the second rotating portion 1 6 2 is also supported by the rotating shaft 1 9 in the same manner as the first rotating portion 16 1, the moving force of the connecting portion 1 6 2 a toward the arrow B direction side of the figure is used as an anticlock. The force of the rotation in the direction acts on the second rotating part 1 6 2

The Consumer Property Cooperative of the Intellectual Property Bureau of the Ministry of Corruption and Economics printed a counter-movement pendulum to support the movement of the pendulum to 2 9 the first axis 2 to move 6 to 1 to 2 to move 6 to pendulum 1 ± CVI moves to 2 The turn-in and turn-out time of the whole clock is shown in Fig. 4. The first is the metamorphosis of the open position. The 5th is the 5th position. The 5th position is the 5th from the second pass. The movement of the closed loop of the warp beam in the 8 state is shown as the 1st position of the swing beam that is opened by the change of the shape of the rod line. Figure 8 The swing position of the swing line in the forming line 2 Figure 4 and Article # This paper size applies to Chinese National Standard (CNS) A4 (210X 297 mm) _ 20-1227757 A7 B7 V. Description of the invention (18) 1 8 1 The pattern silk thread hole 1 8 1 3 a is located at the right dead point, The pattern thread hole 1 8 2 3 a formed in the second swing thread rod portion 1 8 2 is located at the left dead point. In addition, the stepping motor 11 is driven from the state shown in Fig. 5 so that the output shaft 13 is formed to rotate in a clockwise direction in Fig. 5. Furthermore, the swing bar driving plate 14 mounted on the output shaft 13 is also rotated in the clockwise direction. The rotation of the swing bar driving plate 14 in the clockwise direction is transmitted to the swing line rod drive which is freely rotated. The first connecting rod 15 a of the sheet 14 is, but in the state shown in FIG. 5, the clockwise rotation of the swing wire rod driving sheet 14 acts in the direction of pressing the first connecting rod 15 a. Therefore, the first connecting rod 15a is pushed in by the swing wire rod driving piece 14 and moves to the side of the arrow C in the figure. This movement of the first connecting rod 1 5 a toward the arrow C in the figure also acts on the connecting portion 1 6 1 of the first rotating portion 1 6 1 connected to the first connecting rod 1 5 a by the shaft 1 7 2 a. a, and the connecting rod 1 6 1 a is also moved to the direction of arrow C in the figure. Since the first rotating portion 1 6 1 forms a shaft support by the rotating shaft 19, the moving force of the connecting rod 1 6 1 a toward the direction of arrow C in the figure is regarded as the formation of the entire first rotating portion 16 1 The force of rotation in the counterclockwise direction further rotates the first swinging portion 16 1 b in the counterclockwise direction using the rotation shaft 19 as a fulcrum. Therefore, the first swinging portion 1 6 1 b also rotates in the counterclockwise direction using the rotating shaft 19 as a fulcrum, and the first swinging wire rod portion 1 8 1 held in the first swinging portion 1 6 1 b is shown in FIG. 5. The open state is changed to the closed state shown in FIG. 4. In addition, the “swinging wire rod driving piece 14 rotates in the clockwise direction, and this paper size applies the Chinese National Standard (CNS) A4 specification (210X29 * 7mm) (Please read the precautions on the back before reheating this page)

Order Printed by the Consumer Property Cooperative of the Intellectual Property Bureau of the Ministry of Economy 1227757 A7 Printed by the Consumer Property Cooperative of the Intellectual Property Bureau of the Ministry of Economy B7 V. Description of the invention (19) The second link of the drive bar 14 mounted on the swing wire rod is freely rotated The lever 1 5 b, but in the state shown in FIG. 5, the clockwise rotation of the swinging wire rod driving piece 14 acts on the extension direction of the first link lever 15 b. Therefore, the second connecting rod 15b is stretched by the swing wire rod driving piece 14 and moved to the side of the arrow D in the figure. This movement of the second connecting rod 1 5 b to the direction of the arrow D in the figure also acts on the connecting rod 1 6 2 connected to the second rotating portion 1 6 2 of the second connecting rod 1 5 b by the shaft 1 7 2 b. b ', so that the connecting portion 16 2 a also moves in the γ main view in the direction of arrow D. Since the second rotating portion 1 6 2 is formed like the first rotating portion 1 6 1 by using the rotating shaft 19, the connecting force of the connecting portion 1 6 2 a toward the direction of the arrow D in the figure forms a second The entire force of the rotating portion 1 6 2 rotates clockwise. Further, the second rotating portion 1 6 2 rotates clockwise with the rotating shaft 19 as a fulcrum, and holds the second swinging wire rod portion 1 8 2 of the second swinging portion 16 2 from the opened state shown in FIG. 5. It turns into the closed state shown in Figure 4. Through the above actions, the first swinging wire rod portion 181 and the second swinging wire rod portion 1 8 2 are changed from the open state shown in FIG. 5 to the closed state shown in FIG. 4. The stepping motor 11 rotates the output shaft 13 to alternately repeat the state of Fig. 4 and the state of Fig. 5. Therefore, the first swinging wrist portion 1 6 1 b and the second swinging wrist portion 16 2 b both use the rotation axis 19 as a fulcrum, and repeatedly swing in opposite directions (opposite phases) to each other. With the first swinging part 1 6 1 b and the second swinging part 1 6 2 b swinging in the same direction, the first swinging wire rod part 丄 8 1 and (Please read the precautions on the back before

The paper size of the binding line is in accordance with the Chinese National Standard (CNS) A4 (210X297 mm) -22-1227757 A7 B7 V. Description of the invention (2 (3) The second swinging wire rod part 1 8 2, repeat the process of Figure 4 interactively The closed state shown and the open state shown in Figure 5. (Please read the precautions on the back before ^^ this page) In addition, the above-mentioned stepping motor 11 rotates, the first and second swing wrists The swing motions of the sections 1 6 1 b and 1 6 2 b, and the opening and closing motions of the first and second swing thread rod sections 1 8 1 and 1 8 2 are synchronized with the reciprocating motions of the needle fixing rods not shown in the drawing. Due to the synchronization, the pattern thread of the swing thread is sewn into the general thread of the sewing machine needle, and a pattern of a certain shape can be realized. As mentioned above, the swing thread mechanism 1 of the pattern sewing machine in this example, It has a rotating part (first rotating part 16 1 and second rotating part 16 2) which reciprocates in synchronization with the reciprocating motion of the needle fixing rod, and a swing wire rod part (the first 1 swing wire rod portion 1 8 1 and the second swing wire rod portion 1 8 2). The rotating part is provided with positioning means for positioning the swinging wire rod portion while holding the swinging wire rod portion (the first convex portion 1 6 1 2, the second convex portion 1 6 2 2, and the first rotation restricting piece. The property bureau employee consumer cooperative prints 1 6 1 3 and the second rotation restricting piece 16 2 3), so when a swing thread bar such as a pattern sewing is used to form a seam pattern, the swing thread rod portion is mounted to rotate Sewing operation is performed behind the sewing machine, and the type of sewing without using the swing thread bar is performed. For example, when performing only ordinary sewing, the sewing operation can be performed with the swing thread bar portion removed from the rotating portion. Therefore, the swing thread bar does not prevent sewing. The operation is hindered, and the sewing operation can be performed smoothly. In addition, since the positioning means is provided on the rotating portion, as long as the swinging wire rod portion is installed and held on the rotating portion, the positioning method is used to determine the direction or length. Therefore, the Installation workability. This paper size is in accordance with Chinese National Standard (CNS) A4 (210X297 mm) · 23-1227757 A7 B7 V. Description of the invention (21) In addition, the swing wire rod has a grip The holding shaft part of the rotating part (the first holding shaft part 1 8 1 a and the second holding shaft part 1 8 2 a) and from this handle (please read the precautions on the back before ^^ this page). And the swing thread arm (the first swing thread arm 1 8 1 b and the second swing thread arm 1) forming the pattern thread holes (the pattern thread holes 1 8 1 3 a and 1 8 2 3 a) at the apex. 8 2 b); the positioning means includes a rotation direction positioning means (the first rotation restricting piece 1 6 1 3 and the second rotation restricting piece 1 6 2 3), and the axial direction positioning means (the first convex portion 1 6 1 2 and the second convex portion 1 6 2 2), which determine the axial direction position of the aforementioned swing wire rod portion in the axial direction of the holding shaft portion, so when the When the swing wire rod part is held on the rotating part, the rotation direction positioning means and the shaft direction positioning means are used to determine the rotation position (direction) and the axial direction of the swing wire rod part, even if the manual adjustment of the swing wire rod part is not required. Position can also complete positioning. In addition, the rotating portion includes a first swinging arm portion 1 6 1 b and a second swinging arm portion 1 6 2b having the same swinging center (rotation axis 1 9). The first swinging arm portion 1 6 1 b and The second swinging wrist 1 6 2 b The consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs prints and moves up and down in synchronization with the up and down movement of the pin fixing rod, and can be held in the first swinging wrist 1 6 1 b The first swinging wire rod portion 1 8 1 ′ is formed by detachably holding the second swinging wire rod portion 1 8 2 at the second swinging wrist portion 1 6 2 b, so even if two or more swinging wire rods are used The pattern sewing machine with complicated pattern sewing also improves workability when removing the swing thread bar and performing ordinary sewing. In addition, because it can be attached and detached to each swing wire rod, for example, only one swing wire rod can be installed for paper samples. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) -24-1227757 A7 B7 Economy Printed by the Intellectual Property Cooperative of the Ministry of Intellectual Property, 22 V. Invention Description () Sewing, and various patterns can be sewn. In addition, the swing wire rod mechanism of this example includes a rotary drive source (stepping motor 1 1) having an output shaft 13 that reciprocates, and a swing wire rod that rotates integrally with the output shaft mounted on the output shaft. The driving piece 14 and one end thereof are connected to the swing wire rod driving piece 14 and the other end is connected to the first swing arm 1 6 1 b and the first connecting rod 1 5 a, and one end thereof is connected to the swing wire rod driving piece. 1 4 and the other end is connected to the second linking arm 1 6 2 b of the second linking lever 1 5 b; the first linking lever 15 a is connected to the position of the swinging wire rod driving piece 14 and the second linking lever 1 5 b The position connected to the swinging wire rod driving piece 14 is formed in a positional relationship with the main output shaft 13, so driving of the swinging wire rods driven in a direction opposite to each other by one driving source is realized. Therefore, the structure of the link for driving the swing wire rod is simplified. Therefore, as described in Japanese Patent Publication No. 5 9-2 9 9 8 9, in order to reciprocate each swing wire rod in the opposite direction, the same as the rack Compared with the gear structure of the gear, it can be constructed at a very low price. (Second Embodiment) This example is an embodiment according to the first, sixth to eighth aspect of the present invention. This second embodiment will be described with reference to FIGS. 7 to 17. Fig. 7 is a perspective view of the inside of the pattern sewing machine 110 of this example, as viewed from the left by the user, and is also a partial cross-sectional view showing the vicinity of the drive shaft of the swinging rod of the important part of the present invention. As shown in Figure 7, the pattern sewing machine 1 0 1 has a needle fixing rod 6 3 that reciprocates the needle 6 5 and a reciprocating swing in synchronization with the reciprocating motion of the needle fixing rod 6 3 (please read the back Note again

The paper size of the thread guide is applicable to the Chinese National Standard (CNS) A4 (210X 297 mm) -25-1227757 A7 B7 23 V. Description of the invention () Wire rod drive shaft 5 0, and the swing wire rod drive shaft 50 0 Of swinging wire rods 3 2 and 3 3. In this example, the pattern sewing machine 1 0 1 is fixed to the needle 6 5 through the needle holder 6 4, and the needle fixing rod 6 3 is connected through the main shaft (not shown) of the sewing machine and a certain link mechanism. The rotation of the main shaft reciprocates in the axial direction. As shown in Fig. 1, the swing wire drive shaft 50 is configured to include an outer cylinder shaft 42 and an inner cylinder shaft 43. The outer cylinder shaft 42 is formed in a hollow shape, and the inner cylinder shaft 43 is arranged in a state of being inserted into the outer cylinder shaft 4 2. A first swinging wire rod 3 2 is attached to the outer cylinder shaft 4 2, and a second swinging wire rod 3 3 is attached to the outer cylinder shaft 4 3. Each swing wire rod 3 2, 3 3 is provided with an outer peripheral insertion portion 3 2 1, 3 3 1 which is externally inserted into the outer cylinder shaft 4 2 and an inner cylindrical shaft 4 3; and from the outer insertion portion 3 2 1, 3 3 1 is formed by extending the swing arm arms 3 2 2 and 3 3 2 of the surface pattern silk thread holes 3 2 a and 3 3 a (see FIG. 8) at the tip end. (Please read the notes on the back before ^^ this page) Order Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Of it. Shaft shape, hole b Figure shape b Tube type 4 direction 3 View tube 3 each 2 horizontal 3 oblique circle 3, surface 3, solution, 2 peripheral parts. b is divided into b4 side and d2. CX1 axis is shown in 33 position. 3 barrels. The 3 holes are outside the hole, and the knot is plug 1. The d link is connected from the inside 342 to the line 3 to 333. Move 3 shape, 3 holes with pendulum, Be b1, 2 points to 324, cross-section 31332 into the pole 3, part 3 is placed with wire 3 b, insert part is set to include movement, 2 outer starting point d is to swing 13 In the bulge 3, the inner 3 8 outside the two holes in Fig. 2 is connected to the other, the first shown. From the 4 d figure, insert this 3 protrusion 3 CM as outward 4 into 3 3. The size of the paper is applicable to the Chinese National Standard (CNS) A4 (210X297 mm) -26-1227757 A7 B7___ V. Description of the invention (24) Figure 9 is an oblique view of the apex of the drive shaft 5 of the swinging rod. As shown in the figure, the outer cylinder shaft 4 2 of the swinging rod driving shaft 50 is cut to form the opposite side surface 4 2 a at the lower end portion, and the shape of the cross section is formed into a barrel shape. In addition, the inner cylinder shaft 4 3 has a lower end portion protruding from the outer cylinder shaft 4 2, and a protrusion 4 3 a is symmetrically formed on the side of the protruding portion. As shown in Fig. 8, the connecting hole 3 2b formed in the outer insertion portion 3 2 1 of the first swinging wire rod 3 2 is formed so that its hole shape matches the barrel-shaped cross section of the outer cylinder shaft 4 2. Then, the outer cylinder shaft 4 2 is fitted in a state in which the cross-section of the outer cylinder shaft 4 and the hole shape of the connecting hole 3 2 b are consistent with each other. Therefore, the first swing wire rod 3 2 is attached to the outer cylinder in a state where the mounting position of the first swing wire 3 2 is restricted.轴 4 2. In addition, the connection hole formed in the outer plug portion 3 3 1 of the second swinging rod 3 3 is printed by 3 3 b by the consumer property cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, and a groove 3 3 c is formed from the circular hole and the outer hole in the radial direction. So that the hole shape is inserted into the inner cylinder shaft 4 3 and the protrusion 4 3 a. Then, the cross section of the inner cylinder shaft 4 3 and the protrusion 4 3 a are fitted in a state in which the hole shapes of the connecting holes 3 3 b are consistent, so the second swinging wire rod 3 3 is in a state in which the mounting position of the second swing wire rod 3 is restricted. Install the inner cylinder shaft 4 3 down. In this way, in this example, the direction restricting means that restricts the mounting direction of the first swinging wire rod 32 to the outer cylinder shaft 42 is the cross-sectional shape of the outer cylinder shaft 4 2 and the connecting hole of the outer plug portion 3 2 1 The shape of 3 2 b; the direction restricting means for restricting the mounting direction of the second swinging wire rod 3 3 to the inner cylinder shaft 4 3 and the protrusion 4 3 a penetrating through the inner cylinder shaft 4 3 and the outer insertion portion 3 3 1 The shape of the connection hole 3 3 b. Further, as shown in Fig. 9, a V-shaped recessed notch 42b is formed in the peripheral surface of the lower side of the outer cylinder shaft 42. This recessed notch 42b is formed when the first swinging wire rod 3 2 is fitted to the outer cylinder shaft 4 2 and the horizontal hole 3 2 d. The paper size applies the Chinese National Standard (CNS) A4 (210x297 mm) -27 -1227757 A7 B7 V. Description of the invention (25) Opposite position. Then insert the sphere 3 4 through the lateral hole 3 2 d, and install the cover 36 through the coil spring 3 5 to become a semi-finished state. 'In the original state, insert the first swinging wire rod 3 2 into the drive shaft 5 0 (outer cylinder shaft 4 2 ). Therefore, the coil spring 35 generates an extension force, and causes the extension force to act on the sphere 34. Since the lateral hole 3 2 d is opposed to the V-shaped concave notch 4 2 b, the sphere in the lateral hole 3 2 d is engaged with the V-shaped concave notch 4 2 b by using the above-mentioned extension force. Due to this engagement, the first swinging wire rod 32 is fixed to the outer cylinder shaft 42 by restricting the position in the axial direction (height direction). Fig. 10 is a cross-sectional view taken along A-A in Fig. 7 and is also a cross-section showing a portion where the first swing wire 32 is fixed to the outer cylinder shaft 42 by the above-mentioned action. In addition, a V-shaped recessed notch 43b is also formed on the lower end side peripheral surface of the inner cylinder shaft 43. This recessed notch 43b is formed at a position facing the lateral hole 3 3d when the second swing wire rod 32 is fitted to the inner cylinder shaft 43. Then insert the ball 3 7 from the lateral hole 3 3 d, and install the cover 3 9 through the coil spring 3 8 to form a semi-finished product. Maintain the original state, and insert the second swing wire rod 3 3 into the drive shaft 5 0 (inner cylinder shaft 4 3). Therefore, the coil spring 38 generates an extension force, and causes the extension force to act on the sphere 37. Because the lateral hole 3 3 d is opposite to the V-shaped recessed notch 4 3 b, the lateral hole is printed by the consumer property cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, and the sphere within 3 3 d is engaged with the v-shaped recessed notch 4 by using the aforementioned extension force. 3 b. With this engagement, the second swinging wire rod 3 3 is bound to the inner cylinder shaft 4 3 in the limiting axis direction (height direction). Fig. 11 is a cross-sectional view taken along the line B-B in Fig. 7 and is also a cross-section showing a portion where the second swing wire rod 3 3 is fixed to the inner cylinder shaft 43 by the above-mentioned action. When the swing wire rod is disengaged from the drive shaft 50, the paper size of the second rotation wire is first applied to the Chinese National Standard (CNS) A4 specification (210X297 mm) 1227757 A7 B7 V. Description of the invention (26) The lever 3 3 is pulled out Go down. At this time, the sphere 37 is moved in the outer circumferential direction along the inclined impedance coil spring 38 of the Y-shaped concave notch 4 3b. Therefore, the second axial direction of the second swinging wire rod 33 is released from the drive shaft 50. In the same manner, the first swinging wire rod 32 can be disengaged. In this way, the first and second swing wire rods 3 2 and 3 3 restrict the positions in the axial direction and the rotation direction and can be detachably tied to the outer cylinder shaft 4 2 and the inner cylinder shaft 4 3 〇 as shown in FIG. 7. As shown, a slightly upper half of the outer cylinder shaft 4 2 and the inner cylinder shaft 4 3 are housed in the sewing machine arm bed 6 2, and include the outer insertion portions 3 2 1 and 3 3 for mounting the outer cylinder shaft 4 2 and the inner cylinder shaft 4 3. The slightly lower half of 1 is protruded by the sewing machine arm bed 6 2. An inner cylinder shaft driving arm 4 9 extending horizontally from the inner cylinder shaft 43 is mounted on the outer periphery of the upper cylinder shaft 43. This inner cylinder shaft driving arm 4 9 is connected to the inner cylinder shaft through a connecting pin 30. One end of the connecting rod 31. An outer cylinder driving arm 4 6 extending horizontally from the outer cylinder shaft 4 2 is attached to the upper periphery of the outer cylinder shaft 4 2, and the outer cylinder driving arm 4 6 is connected to the outer cylinder shaft connecting rod through a connecting pin 4 7. 4 One of 8 ends. Both the inner cylinder shaft connecting rod 31 and the outer cylinder shaft connecting rod 4 8 are connected to the driven wrist 5 3 (refer to FIG. 12). Fig. 12 shows a link mechanism from the main shaft 66 of the sewing machine to the first and second swinging rods 3 3, 3 3. As shown in the figure, the main shaft 6 6 is rotatably supported by the sewing machine arm bed 62, and a screw 6 7 is mounted in the middle. The screw 6 7 engages a turbine 68, which is fixed integrally with the drive cam 60 and is then attached to the cam shaft 69. The driving cam 60 has a side peripheral surface as a cam surface. Contact with the cam surface This paper size applies Chinese National Standard (CNS) A4 specification (210X 297 mm) -29-(Please read the precautions on the back before ^^ this page)

Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 1227757 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 97 V. Description of the invention () The contact finger 5 2 formed on one end of the contact finger wrist 5 2, the contact finger The other end of the wrist 5 2 is connected to a cam driven shaft 5 1 rotatably supported by the sewing machine arm bed 6 2. In addition, one end of the cam follower shaft 51 is fixed to the cam follower shaft 51, and a connecting pin 5 3a is attached to the other end of the follower wrist 53. Therefore, when the contact finger 5 2 a is actuated by the unevenness of the cam surface, the contact finger wrist 5 2 swings with the cam moving shaft 51 as an axis, and this swing motion is transmitted to the driven wrist 5 through the cam driven shaft 51. 3. The driven wrist 5 3 swings with the cam driven shaft 51 as a fulcrum similarly to the contact finger wrist 5 2. The driven wrist 5 3 is swung to drive the link pin 5 3 a. A fitting hole 3 1 a is formed at the other end of the connecting rod 31, and a fitting hole 48 a is formed at the other end of the connecting rod 48. These fitting holes 31a and 4 8a are coaxially arranged, and a connecting pin 5 3 a attached to the other end of the driven arm 5 3 is inserted into the two holes 3 1 a and 4 8 a. Therefore, the two shots 3 1, 4 8 are connected to the driven wrist 5 3. In addition, one end of a coil spring 54 is attached to the driven wrist 53. The other end of the coil spring 5 4 is mounted on the sewing machine arm bed 6 2. The coil spring 5 4 generates a contracting force at any time. Therefore, at any time, the driven wrist 5 3 is spring-pulled in the direction of extending to the coil spring 54. The thrust of this bomb is also transmitted to the contact finger wrist 5 2 through the driven shaft 5 1. Therefore, the contact finger 5 2 a of the contact finger wrist 5 2 is in a state of being in contact with the cam surface at any time. In addition, as described above, the connecting rod 3 1 is connected to the inner tube shaft 4 3 through the connecting pin 30, the inner tube shaft driving arm 4 9 and the connecting rod 4 8 is connected to the inner tube shaft 4 7 through the connecting pin 4 7 and the outer tube shaft driving arm 4 6. 2 to the outer cylinder shaft. Furthermore, the outer cylinder shaft 4 2 is connected to the first swinging wire rod 3 2, and the inner cylinder shaft 4 3 is connected to the second paper size. This paper size applies the Chinese National Standard (CNS) A4 specification (210X 297 mm) -3-(Please first Read the precautions on the back and then on this page ", D, = 0 line 1227757 A7 B7 V. Description of the invention (28) Swing rod 3 3. (Please read the precautions on the back before filling out this page.) The main shaft 6 6 of the power of the sewing machine driving motor, which is not shown in the figure, rotates. The rotation of the main shaft 6 6 is converted to the reciprocating driving force by the needle fixing rod driving mechanism and transmitted to the needle fixing rod 6 3. The needle fixing rod 6 3 is reciprocally driven. Therefore, the needle 6 5 mounted on the needle fixing rod 6 3 is driven back and forth. In addition, the screw 6 7 mounted on the main shaft 6 6 also rotates as the main shaft 6 6 rotates. This screw 6 7 is meshed with the turbine 6 8. After being decelerated by a certain amount, it is transmitted to the turbine 68. Then, this rotation is transmitted to the driving cam 60 fixed coaxially with the turbine and then to the camshaft 69, and the driving cam 60 rotates. By rotating the driving cam 60, the driving The cam surface of the side peripheral surface of the cam 60 The contact portion of the contact finger 5 2 a to the cam surface is changed by the unevenness of the cam surface. The position of the contact finger 5 2 a is changed through the change of the contact portion. With this change, the contact finger wrist 5 2 is changed. The cam follower shaft 51 is used as a fulcrum axis to generate a swing. This swing is transmitted to the follower wrist 5 3 via the cam follower shaft 51, so the follower wrist 5 3 is driven by the cam in the same way as the finger contact wrist 5 2 The shaft 51 is used as a fulcrum. The swing of the driven wrist 5 3 is also transmitted to the link 3 3 a, which is printed by the employee consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, and is connected to the driven wrist 5 3. The rods 3 1 and 4 8 and the connecting rods 3 1 and 4 8 respectively receive forces from the axial direction. Here, the connecting point of the connecting rod 3 1 and the outer cylinder driving wrist 4 9 and the connecting rod 4 8 and the inner cylinder side connecting wrist 4 The connection point of 6 is formed in a slightly symmetrical positional relationship by sandwiching the driving shaft 50. Therefore, as the driven wrist 53 is swung, the inner cylinder-side driving wrist 49 and the outer cylinder-side driving wrist 46 are opposite to each other. Swinging. Therefore, the paper size connected to the inner cylinder side applies the Chinese National Standard (CNS) A4 specification (210X 297 mm) .31 _ 1227757 A7 B7 V. INTRODUCTION TO THE INVENTION (29) The inner sleeve shaft 4 3 of the drive wrist 4 9 and the outer sleeve shaft 4 4 connected to the outer barrel side drive wrist 4 6 The outer barrel shaft 4 2 are driven to rotate in opposite directions to each other, and connected to the The first swinging wire rod 3 2 of the barrel shaft 4 2 and the second swinging wire rod 3 3 connected to the inner barrel shaft 4 3 are reciprocally driven in opposite directions to each other. Figure 14 is a graph showing the movement of the driving cam 60. The horizontal axis represents the rotation angle of the sewing machine main shaft 66 when the dead point of the sewing needle 65 is set to 0 degrees above the highest position, and the vertical axis represents the displacement of the cam of the driving cam 60. Fig. 15 is an explanatory diagram of the formation process of the pattern stitching when two pattern threads are used in the 2-needle 4-thread side stitching (Stich type 5 12), which shows the two holding A and B stitches. The positional relationship between the first and second swing thread rods 3, 2 and 3 of the pattern thread and the left needle 6 5 A and the right needle 6 5 B. The following figure illustrates the formation of Figure 15 as shown in Figure 14 and Figure 12 and Figure 13 of the linkage mechanism. In Fig. 14, when the main shaft is rotated by 60 °, the tip of the sewing needle 65 is formed to protrude into the initial position of the fabric to be sewn. Figure 12 shows the state of the link mechanism at this time. At this time, the radius of the cam surface of the driving cam 60 is at the maximum state. In Fig. 12, the contact finger wrist 5 2 and the driven wrist 5 3 are formed to have a maximum swing in the clockwise direction when viewed from above. Dead point. In this state, the driving wrist 46 is located at the dead point where the outer cylinder shaft 4 2 swings in the most clockwise direction as the fulcrum, and the first swing wire rod 3 2 is located at the left dead point with the aforementioned action. In addition, the driving wrist 49 is located at the dead center where the inner cylinder shaft 43 is used as the supporting shaft to swing in the counterclockwise direction, and the second swing wire rod 3 3 is located at the right dead center. Relative to the stitches 6 5 of each swinging thread rod 3 2 (The size of the paper thread of the pattern silk thread is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) ·% _ Please read the precautions before f Order the wisdom of the Ministry of Economic Affairs Printed by the Consumer Cooperative of the Property Bureau 1227757 A7 B7 3D ------ V. Description of the invention () 3 2a), 3 3 (fancy thread hole 3 3 a) The position becomes "0" in Figure 15 status. The two pattern threads a and b are separated by the left and right stitches. 'The pattern thread A is sewn with the left thread 6 5 a, and the pattern thread B is sewn with the right thread 6 5 b. In Fig. 14, the stitches 65 are rotated at an angle of 60 by the main axis. After the fabric is penetrated 'and the main shaft 6 6 continues to rotate, the tip of the needle 65 is lowered, and after it is raised', it starts to descend again after being reversed, and the main shaft rotates at an angle of 4 2 0. Protrude into the fabric again 'but in the meantime, the pattern thread hole portion 3 2 a of the first swing thread rod 3 2 moves from the position “0” in FIG. 15 to the right in the figure, and the pattern of the second swing thread rod 3 3 The wire hole portion 3 3 a is moved from the "0" position in Fig. 15 to the left in the drawing, and is formed in a state of "1" in Fig. 15. At this time, the two design silk threads a and B are sandwiched with each other at the positions of the left and right needles 6 5 a and 6 5 b. The pattern silk A is sewn with the left needle thread 6 5 a and the pattern silk B Sew with the right needle thread 6 5 b. Further, the main shaft 6 6 continues to rotate, and the main shaft rotation angle 7 8 0 ° of which the tip of the needle 6 5 protrudes into the fabric again is the pattern thread hole portion 3 2 a of the first swinging thread rod 3 2 continuously moving to the right dead point, The pattern thread hole portion 3 3 a of the second swinging thread lever 3 3 continues to move to the left dead point, and reaches the position “2” in FIG. 15. At this time, the pattern thread A is on the right side of the right needle, and the pattern thread B is on the left side of the left needle. That is, the two pattern threads A and B are clamped to the left and right needle positions, the pattern thread A is sewn with the right needle thread 5 b, and the pattern thread B is sewn with the left needle thread 5 a. Figure 13 shows the state of the link mechanism in the "2" state shown in Figure 14. At this time, the paper size of this paper is driven by the Chinese National Standard (CNS) A4 specification (210X 297 mm) -33-(Please read the precautions on the back before this page) Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs, Consumer Consumption Cooperative, 1227757 Α7 Β7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (31) Cam 6 0 The radius of the cam surface is the smallest. Figure 13: 'Contact finger wrist 5 2. Follower wrist 5 3 From the top to the bottom, it forms the dead point of the largest swing in the counterclockwise direction. In this state, the driving wrist 46 is located at the dead center of the outer cylinder shaft 4 2 as the supporting shaft to swing in the counterclockwise direction, and the first swinging rod 32 is located at the right dead center. In addition, the driving wrist 49 is located at the dead center where the inner cylinder shaft 43 is used as the supporting shaft to swing in the clockwise direction, and the second swing wire rod 33 is located at the left dead center. When the main shaft 6 6 continues to rotate and the tip of the needle 6 5 protrudes into the fabric again, the main shaft rotation angle 1 1 4 0 °, the pattern thread hole 3 2 a of the first swinging thread lever 3 2 reverses from the right dead point to When moving in the left direction, the pattern thread hole portion 3 3 a of the second swinging thread lever 33 is reversely moved from the left dead point to the right direction, and is formed into a state of "3" in FIG. 15. At this time, the two pattern threads A and B are clamped to the left and right needle positions in a state of crossing each other. The pattern thread A is sewn with the right needle thread 6 5 b, and the pattern thread B is sewn with the left needle thread 6 5 a. . When the main shaft 66 continues to rotate, it returns to the position of the main shaft rotation angle 60 ° shown by "0" in Fig. 15. Fig. 16 is a modification example of the pattern sewing pattern which can be realized by the pattern sewing machine in this example. This modification example can be achieved by replacing the driving cam and the like. The pattern shown in Fig. 16 (a) is the pattern detailed in the formation of the seam hole described above. In the 2-needle 4-thread side seam sewing (American seam specification Sitch 5 1 2), the thread bar is swung. The reciprocating speed reduction ratio (reduction speed ratio of the reciprocating motion of the swinging wire rod relative to the rotation of the main shaft) is set to 1/4, and the driving cam using the cam displacement amount (cam displacement amount) is the largest. When using one pattern thread in each of the swinging rods, please read the back 5 notes before reprinting this page, binding > The size of the paper is applicable to the Chinese National Standard (CNS) Α4 specification (210X297 mm) -34-1227757 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 32. V. Invention Description () Appearance. The 16th (b) drawing shows the drive cam with the reduction ratio of 1/2 of the swing bar, and the drive cam with the smallest cam displacement. One of the first and second swing bars uses one pattern thread. The world looks like. Figure 16 (c) shows that the reduction ratio of the swing thread rod is set to 1/2, and the drive cam with the smallest cam displacement is used. When only one of the first and second swing thread rods uses the fancy thread, Pattern looks. Fig. 16 (d) shows the same conditions and conditions as Fig. 16 (a). Only the 2-needle 4-thread side seam with the pattern on the side seam changed (American stitch specification Stitch type 5) 14). In this way, a variety of patterns can be formed by changing the type of sewing on the side of the car, the reduction ratio of the movement of the swing thread bar, the number of pattern threads, and the like. However, in the aforementioned first embodiment example, although the formation process of the seam hole or the change of the pattern seam during the pattern sewing is not described, it is basically the same as the pattern vehicle explained in the application of FIGS. 14 and 15. The process of forming the seam of the seam, or applying the pattern sewing of Fig. 16 is the same. FIG. 17 shows another embodiment of the mounting positions of the outer cylinder shaft 42 and the inner cylinder shaft 43 and the first and second swinging wires 3 2 and 3 3. As shown in FIG. 17 (b), a protruding piece 4 2c having a rectangular cross section is formed on the lower end side peripheral surface of the outer cylinder shaft 4 2 in a slightly horizontal direction. Similarly, a protruding piece 43c having a rectangular cross section is formed to protrude slightly horizontally on the lower end side periphery of the inner cylinder shaft 43. In addition, as shown in Fig. 17 (a), a recessed space 3 2e of the fitting protruding piece 4 2c is formed at the base end portion of the first swing wire 32. Similarly, the recessed space 3 3 e of the fitting protruding piece 4 3 c is also formed at the base end portion of the second swinging wire rod 3 3 (Please read the precautions on the back before

Alignment This paper size applies to China National Standard (CNS) A4 (210X 297 mm) -35-1227757 A7 B7 V. Description of the invention (33). Then, the protruding piece 4 2 c of the outer cylinder shaft 4 2 is fitted into the recessed space 3 2 e of the first swing wire rod 3 2, and the protruding piece 4 3 c of the inner cylinder shaft 4 3 is fitted into the second swing. The recessed space 3 4 e of the wire rod 3 3 allows the first and second swing wire rods 32 and 3 3 to be mounted on the outer cylinder shaft 4 2 and the inner cylinder shaft 43. (Third Embodiment) Next, a third embodiment of the present invention will be described. This example is an embodiment of the patent application Nos. 9 to 11 of the present invention. Fig. 18 is an external view showing a state where the pattern sewing unit device is removed from the pattern sewing machine 102 of this embodiment. Fig. 19 is a perspective view of the pattern sewing unit device. The pattern sewing machine 102 is composed of a sewing machine body 71 and a pattern sewing unit device 81. Printed on the body of the sewing machine. Printed by the Intellectual Property of the Ministry of Economic Affairs and the Consumer Cooperative. 7 1 Set the pattern selection switch 7 2 and the display 7 3 on the front center of the body. In addition, a panel 74 on the left side of the main body of the sewing machine is formed with a mounting hole 75 for holding a pattern sewing unit device 81 and a body-side connector 76. In order to connect the power supply and control system (not shown) built in the sewing machine body 71 with the circuit in the pattern sewing unit device 81, the body-side connector 76 is formed on the sewing machine body 71 side, and the above-mentioned power supply The control system is for controlling a stepping motor for driving a swinging wire rod housed in the pattern sewing unit device 8 1. In addition, a needle fixing rod 78 for holding the sewing needle 7 7 and reciprocating up and down is provided on the sewing machine body 71. As shown in Fig. 19, the pattern sewing unit device 8 1 includes a unit frame 8 2. Attach the unit frame 8 2 to the mounting surface side of the sewing machine body 7 1 (This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -36-1227757 A7 B7 V. Description of the invention (34) The pattern is sewn The right side surface of the unit device 81 is equipped with two fixing protrusion members 8 3 and a unit-side connector 84. The unit-side connector 8 is used to connect the power supply and control system (not shown) built in the sewing machine body 7 1 and the pattern sewing unit device (please read the precautions on the back before this page) 8 1 4 is formed on the side of the pattern sewing unit device 81, and the above-mentioned power supply and control system is for controlling the stepping motors (5, 86) used to drive the swing wire rods 8 5 and 8 6 housed in the pattern sewing unit device 8 1 ( (Not shown in FIG. 19), and the unit-side connector 84 can be inserted and connected to the body-side connector 76 provided in the sewing machine body 71. Therefore, when the body-side connector 76 and the unit-side connector 84 are connected, the circuit built in the control part of the sewing machine body 71 and the pattern sewing unit device 81 are electrically connected, and via this The connection is formed so that the state of the stepping motor in the pattern sewing unit device 81 can be controlled by the controller. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs when the panel 7 4 of the sewing machine body 7 1 and the mounting surface of the pattern sewing unit device 8 1 (the right side of the pattern sewing unit device 8 1) are opposite to each other. The arrangement relationship between the two is such that the two fixing projection members 83 formed on the side of the pattern sewing unit device 81 and the two mounting holes 75 formed on the panel 7 4 side of the sewing machine body 71 are opposed to each other. Therefore, when the pattern sewing unit device 8 1 is crimped to the sewing machine body 7 1 in the opposite state, the fixing projection member 8 3 is inserted into the mounting hole 7 5 and fixed to the sewing machine body 7 1. In this case, a groove is formed on the outer periphery of the fixing projection member 8 3, and the fixture spring 7 shown in FIG. 31 is fixed to the mounting hole 7 5 of the sewing machine body 7 1. Therefore, the pattern sewing unit device 8 1 is warped. Touch is attached to the sewing machine body 71. At this time, the paper size of the unit-side connector is in accordance with the Chinese National Standard (CNS) A4 specification (210 X 297 mm) -37-1227757 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 8 4 is also disposed so as to face the body-side connector 7 6. The fixing projection member 8 3 is inserted into the mounting hole 7 5, and the two connectors 8 4, 7 6 ° are also fitted. This is an example of fixing using two fixing protrusion members. However, the number of protrusions is not limited, and a structure capable of attaching the sewing machine body 71 to the pattern sewing unit unit 81 accurately and simply may be used. In addition, for other attaching and detaching methods, grooves can be provided on the panel 7 1 of the sewing machine body 7 1. The pattern sewing unit unit 8 1 is provided with protrusions corresponding to the grooves 1. The protrusions along the two sides can be easily slid. Ground out. Fig. 20 '2 1 shows the connection relationship between the stepping motor and the swing wire rod embedded in the pattern sewing unit device 8 1. A rotary shaft 8 7 a 'which extends vertically in the downward direction shown in the figure is attached to the stepping motor 8 7. Near the center of the lower end portion of the rotary shaft 8 7 a, a pin A (88a), Drive arm 8 of latch B (88b). Drawing numbers 8 5 and 8 6 are a pair of swinging thread rods that are also guides of the filigree silk threads of the same shape, and fulcrum holes 8 5 b and 8 6 b are formed near the center of each wrist, and one end is provided with A plurality of pattern thread hole portions 8 5 1 and 8 6 1 are guided, and a connection pin A (8 5 a) and a connection pin B (8 6 a) are formed at the other ends. The fulcrum holes 8 5 b and 8 6 b are rotatably arranged adjacent to each other in the up-down direction via the fulcrum shaft 8 9 at the end of a protruding portion (refer to FIG. 19) formed from the mounting surface side of the unit frame 82 2.部 的 孔 孔 8 2 a. However, the panel 7 4 of the main body 7 1 of the sewing machine is hollowed out corresponding to the above-mentioned protrusions (not shown, please read the notes on the back first)

Page order I line This paper size is applicable to China National Standard (CNS) A4 specification (210X 297 mm) _ Be 1227757 A7 B7 V. Description of the invention (36)). (Please read the precautions on the back before ^^ this page) Figure No. 9 0 is the connecting link A with one end forming a connecting hole 9 0 a and the other end forming a connecting hole 9 0 b. Fig. 9 1 is a connecting link B in which a connecting hole 9 1 a is formed at one end and a connecting hole 9 1 b is formed at the other end. A bolt A (8 8 a) fixed to one end of the driving arm 8 8 is inserted into a connecting hole 9 0 a on one end side of the connecting link A, and a fixing hole 9 1 a on one end side of the connecting link B is inserted and fixed to The latch B (8 8 b) on the other end of the driving wrist 8 8. In addition, the connecting hole on the other end side of the connecting link A

I 9 0 b is inserted into the connecting pin a (8 5 a) of the swing wire rod 8 5, and the connecting pin B (8 6 a) of the swing wire rod 8 6 is inserted into the connecting hole 9 1 b on the other end side of the connecting link B. In this way, the connecting link A (90) is used for the connection of the swinging wire rod 85 and the stepping motor 87, and the connecting link B (91) is used for the swinging wire rod 86 and the stepping motor 8 The connection of 7 is driven by the link mechanism (connection link A, connection link B) of each of the two systems with a stepping motor 8 7 to drive the pair of swinging wire rods 8 5 and 8 6 in opposite directions. The reciprocating movement has the effect of a simpler and cheaper structure compared with the gear structure of a conventional rack and pinion. Printed by the Intellectual Property of the Ministry of Economic Affairs ^ Employee Consumer Cooperatives Figure 22 shows an encoder 92 that functions as a sensor for detecting the number of revolutions of the spindle. The encoder 92 is installed in the body of a sewing machine not shown in the drawing, and is arranged near a slit plate 95 that is mounted on a certain portion of the main shaft 93 and has a concave detection portion on the outer periphery. The encoder 92 is provided with a light-emitting portion 9 2 a and a light-receiving portion 9 2 b that receive light emitted from the light-emitting portion 9 2 a. With the rotation of the main shaft 9 3, the slitting plate 95 is rotated at the center axis M A of the main shaft 9 3, and the concave shape detection section of the slitting plate 95 is adapted to the Chinese National Standard (CNS) A4 size (210X297 mm). ) -39-1227757 A7 B7 Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 37. Fifth, the description of the invention () 9 4 passed the encoder 9 2, as it is well known, because the light emitted by the light-emitting part 9 2 a is. The portion 9 2 b receives' so that 1 revolution of the main shaft 9 3 is measured. One rotation of the main shaft 9 3 corresponds to one needle (one reciprocation) of the needle fixing rod. Therefore, the encoder 92 can function as a stitch number detecting section that detects the number of stitches. In addition, as is well known, an adjustment wheel 96 is provided on a shaft end of the main shaft 92. Fig. 23 is a diagram showing the conductive connection structure of the body 71 of the pattern sewing machine and the pattern sewing unit device 81 in this example. As shown in the figure, the sewing machine body 7 is provided with a pattern selection switch 7 2. A display 7 displaying the content selected by the pattern selection switch 7 2 3. A spindle motor that rotates the spindle and a spindle motor driver that drives the spindle motor A stepping motor driver driven by a stepping motor hidden in the pattern sewing unit device, a start / stop switch input by the user, and a CPU that controls the drive of the spindle motor or the stepping motor are configured. In addition, the sewing machine body 71 and the pattern sewing unit device 81 are electrically conductively connected with the connectors 76 and 84. When the CPU of the sewing machine body 71 detects that the sewing machine unit 81 is installed on the sewing machine body 71 via a connection detecting means (not shown) provided on the side of the sewing machine unit 81, it controls the display 7 3 makes it automatically switch the display content of the display 7 3 of the sewing machine body 7 1 to the content of the pattern sewing function. In addition, when the pattern sewing unit device 81 is not mounted on the sewing machine body 71 through the above-mentioned connection and measurement means, the display content of the display 7 3 is automatically formed to have only the sewing function of the sewing machine body 71. Whether the pattern sewing unit device 8 1 is installed, for example, if the voltage can be increased when the pattern sewing unit device 81 is installed but not installed (please read the precautions on the back before this page) — installed. The paper size of the paper is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) -40-1227757 A7 B7 Intellectual Property Bureau of the Ministry of Economic Affairs (printed by the Industrial and Commercial Cooperative Society) In addition, the method of detecting whether the connector 8 4 is conductively connected can be used to detect whether the fixing protrusion member 8 3 is installed in the mounting hole 7 5 electrically, optically, or in a contact manner. Any means can be used. Fig. 24 is a flowchart showing the control flow of the sewing machine when the pattern sewing is performed. Fig. 25 is a flowchart showing the control flow of the sewing machine when the pattern sewing is not performed. As described above, first judge Whether the pattern sewing unit device 81 is installed on the sewing machine body 71 (step S101). If the pattern sewing unit device 81 is already installed, step S 101 is yes and the process proceeds to step S 1 〇2, where Step S 1 0 2 is on the display 7 3 Display the setting screen related to the pattern selected by the pattern sewing. Then detect whether the setting switch is controlled. If the start switch (not shown) of the sewing is pressed, the motor is driven until the predetermined operation is completed and the motor continues to be driven. When the pattern sewing is not ordinary sewing, but in step S 1 〇 1, it is detected that the pattern sewing unit device 8 1 is not attached to the sewing machine body 7 1, and the process moves to step S 1 shown in FIG. 24. 〇3, in this step S 1 〇3 displays the general sewing pattern on the display 7 3 of the sewing machine body 71. Then it is detected whether the setting switch has been changed, and then whether the start switch (not shown) has been pressed, If the switch is pressed, the control corresponding to the sewing is performed. Fig. 26 is a dynamic diagram showing the operating state of the stepping motor 87 embedded in the pattern sewing unit device 81, and the horizontal axis represents the sewing machine body. 7 1 Needle with the dead point above the highest position becomes the main sewing machine of 0 degrees (please read the precautions on the back first and then the page)-Binding and Threading The paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) )- 41-1227757 A7 B7 QQ ---- ~ --- V. Description of the invention () The rotation angle of the shaft 9 3 'The vertical axis represents the number of movement steps corresponding to the distance moved by the link mechanism of the stepping motor 8 7 The movement step is linked with the up and down movement of the needle of the sewing machine body 71, and it returns to the original position after 4 cycles in the illustrated second and sixth figures. The operation of the swinging thread rod 8 $ and 8 6 and the needle The vertical movement cycle is synchronized, and one or more pattern sewing is used. Each side of the pattern is stitched into the sewing needle, and the other side is sewn in with needle thread in the feeding direction. Fig. 27 is a diagram for explaining the sewing process of the pattern car with 3 needles and 4 pattern threads, and it also shows the swinging rods 8 5 and 8 6 for holding the 4 pattern threads of 97a, 97b, 97c, and 9 7 d. The positional relationship between the hole portions 851 and 861 of the pattern thread and the three stitches of the left needle 77a, the middle needle 77b, and the right needle 7 7c. However, as shown in the figure, two pattern thread holes (851R, 851L, 861R, 861L) are provided in the pattern thread hole portions 8 5 1 and 8 61 respectively, and the pattern threads pass through the respective thread holes. Hereinafter, FIG. 26, FIG. 27, and FIG. 20 and FIG. 21 showing the link mechanism will be used to explain the pattern sewing formation process of the pattern sewing machine 102 in this example. In Fig. 26, the needle protrudes into the fabric when the spindle rotates at an angle of 60 °. Fig. 20 is a diagram showing an operating state of the link mechanism at this time. In this state, the reciprocating stepping motor 8 7 is continuously rotated from the top to the bottom in the clockwise direction, as shown in Figure 20; it is mounted on the swing wire rod 8 5 The apex of the silk thread hole 8 5 1 is located at the left dead point of the leftmost (left end) that moves to the left and right reciprocating motion; in addition, the silk thread hole 8 6 1 of the swing thread lever 8 6 is located to the paper scale applicable to the country of China Standard (CNS) A4 Specification (210X 297mm) -42-(Please read the notes on the back before this page) Printed by the Consumers ’Cooperatives of the Intellectual Property Bureau of the Ministry of Economy 1227757 A7 B7 Employees’ Cooperatives of the Intellectual Property Bureau of the Ministry of Economy Printing 5. Description of Invention (4Q) The right dead point of the rightmost (right end) of left-right reciprocating motion. At this time, the positions of the swing thread levers 8 5 and 8 6 (pattern thread hole portions 8 5 1 and 8 6 1) with respect to the needle are in a state indicated by "number of stitches = 0" in FIG. Among the 4 thread patterns, the pattern threads a (9 7 a) and B (9 7 b) pass through the left needle 7 7 a, and the pattern threads C (97c) and D (97d) are also passed through the same. Right needle position 77c. The needle penetrates the fabric and rotates the main shaft at an angle of 12 °. Position, the stepping motor 8 7 rotates in the counterclockwise direction from the position in Fig. 20 to 31, and then waits. At this time, the position of the swing thread rod is formed so that the swing thread t stem 8 5 (the silk thread hole portion 8 5 1) and the swing thread rod 8 6 (the silk thread hole portion 8 6 1) are all directed toward the middle needle 7 7 b. Move (in the center of 3 needles) 'Standby in the state of "number of needles = 1" in Figure 27. The main shaft continues to rotate, and the main shaft rotates at an angle of 4 2 0 ° after one revolution of the feed is completed, and the needle protrudes into the fabric again. At this time, the left thread 7 7 a is stitched into the pattern thread A (9 7 a), the middle stitch 7 7 b is stitched into the intersecting pattern threads B (9 7 b) and C (9 7 c), and the right stitch The 7 7 c silk thread is sewn into the pattern silk thread d (9 7 d). In addition, the middle needle 7 7 b at this time is near the center of the rhombus shape formed by the four fancy silk threads A (9 7 a), B (9 7 b), C (97c), and D (97d). 7 7 a, 7 7 c) protrude into the fabric on the outside of the pattern threads a (9 7 a), B (97b), C (97c), and D (97d) (refer to "Number of needles two; Figure 2 7; l "). At the spindle rotation angle of 480 °, the stepping motor 87 rotates in the counterclockwise direction until it reaches 37 steps and waits. This state is shown in Figure 21. Please read the notes on the back first.

The page size of this paper applies the Chinese National Standard (CNS) A4 specification (210X297 public holiday) -43- 1227757 A7 B7 41 V. Description of the invention () State 'stepping motor 8 7 is from top to bottom in the figure Look at the dead point of the maximum angle that has been rotated in the counterclockwise direction. At this time, please read the back of the swing rod 8 5 (fancy thread hole portion 8 5 1) and swing thread rod 8 6 (fancy thread hole portion 8 6 1). Note that on this page, the page will wait in the state of "Number of stitches = 2" in Figure 27. At this time, the swing wire rod 85 is moved to the rightmost (right end) state; and the swing wire rod 86 is moved to the leftmost (left end) state. The spindle continues to rotate. When the rotation angle of the spindle after 1 rotation of the feed is completed, 7 8 0 °, when the needle protrudes into the fabric again, the left thread 7 7 a is sewn into the pattern thread C (9 7 c), the middle needle The 7 7 b silk thread is sewn into the intersecting design silk threads A (9 7 a) and D (9 7 d), and the right thread 7 7 c is sewn into the pattern silk thread b (9 7 b). At this time, the left stitch 7 7 a protrudes into the center of the pattern thread C (9 7 c) and D (9 7 d), and the middle stitch 7 7 b protrudes into the pattern thread hole A (9 7 a) and D (97d ) (See "Number of stitches = 2" in Figure 27). The spindle rotation angle of 8 40 ° means that the progressive motor 87 rotates clockwise until it reaches the 9-step position, and moves from the state in Fig. 21 to the state in Fig. 20 and waits. At this time, the positions of the moving wire rod 8 5 (fancy thread thread hole portion 8 5 1) and the swing wire rod 8 6 (figure thread thread hole portion of the Ministry of Economic Affairs Intellectual Property Bureau—Industrial and Consumer Cooperatives printed 8 6 1) In the state of “Needle number 2 and 3”, the spindle continues to rotate. When the spindle rotates at 1 1 4 0 after the feed is completed, and the needle protrudes into the fabric again, the left stitch is 7 7 a. Insert the pattern thread C (9 7 c) and the middle thread 7 7 b into the intersecting pattern thread A (9 7 a) and D (9 7 d). The paper size on the right applies the Chinese National Standard (CNS) A4. Specifications (210X 297 mm) -44-1227757 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. 5. Description of the invention (42) Needle 7 7 c is sewn into the pattern thread b (9 7 b). In addition, the middle needle 7 7 b at this time is near the center of the rhombus shape formed by the four fancy silk threads A (9 7 a), B (9 7 b), C (9 7 c), and D (9 7 d). The left and right needles 7 7 a and 7 7 c protrude into the fabric on the outside of the pattern threads a (97a), B (97b), C (97c), and D (97d) (refer to Figure 27, " Number of stitches 2 3 "). Further, the main shaft continues to rotate and becomes the main shaft rotation angle 1220. Then, the stepping motor 87 rotates clockwise until it returns to the 3-step position and waits. This state is the state shown in FIG. 20, and the stepping motor 87 for reciprocating rotation is the state that has been rotated from the top to the bottom in FIG. 20 to the dead point of the set limit in the clockwise direction. At this time, the positions of the swing thread lever 8 5 (pattern thread hole portion 8 5 1) and the swing thread lever 8 6 (pattern thread hole portion 8 6 1) are formed to wait in the state of "number of stitches == 0" in FIG. 27. . The main shaft continues to rotate, and under the same condition as the main shaft rotation angle of 60 degrees which is the same as the initial position, the needle protrudes into the fabric again. At this time, the silk thread of the left needle 7 7 a is sewn into the pattern silk a (9 7 a), and the silk thread of the middle needle 7 7 b is sewn to the intersecting pattern silk b (9 7 b) and C (9 7 c) ' Sew the right thread 7 7 c into the pattern thread D (9 7 d). At this time, the left needle 7 7 a protrudes into the center of the fancy silk threads a (9 7 a) and B (9 7 b). The right needle 7 7 c protrudes into the center of the fancy silk threads c (97 c) and D (97 d). The middle needle 77b protrudes to the center of the pattern threads B (9 7 b) and C (9 7 c) (refer to "Number of stitches = 0" in Fig. 27). (Please read the precautions on the back first, then this page) ^ Clothes · Threads The paper size is applicable to Chinese National Standard (CNS) A4 specifications (210X 297 public holidays). 45-1227757 Α7 Β7 43 5. Description of the invention () Repeat the above Therefore, the sewing needle of the swinging thread bar 8 is sewn into the horizontal square line which intersects the feeding direction, and the pattern thread is sewn. Fig. 28 shows an example in which 5, 8 and 6 described above are moved back and forth on the cloth, and a needle is shown on the needle. These various pattern sewing patterns and thread lines are expanded. Figure 2 9 shows another example of the flower 3 0 2 is the pattern sewing unit with protruding members 3 2 2 and the control electric three needles. Others also have table needles and jagged teeth. The representative pattern of the sewing pattern when sewing can be sewn by changing the reduction ratio and the number of stitches; read ▲ Read the printed wire connection guide of the silk thread guide on the consumer consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs; one side The end and the driving arm of the rotation axis of the stepped motor of the fixed installation catch the hook portion 3 1 5 a of the pattern thread, and are assembled in the fixing hole of the end portion of the slave unit frame 3 2 1 installed at the end. The drawing number 3 2 0 is a wire guide groove with a slightly < " shape extending near the mounting surface side of the unit frame 3 2 1. Fig. 30 shows the sewing pattern using this float. Early installation installation surface 3 2 is connected to the inside and connected through the support surface side out of the pattern silk 3 2 0 and oblique view of the shape of the sewing machine side assembly 2 3. Fig. 31 Hidden in the unit frame, at the open end, the point axis is free to extend to the central part to guide the line. At a, the base unit is fixed to the unit unit at the end. The drawing for fixing 4 is a pattern in which the flower 3 2 1 is formed in multiple rotations to form an end shape and then fixed to the fixing hole. [Inventive effect] According to the first point of the present invention: Since the swinging wire rod mechanism is divided into a fixed rod The revolving part of the reciprocating movement is synchronized with the revolving part and the swinging wire rod part with a pattern silk thread hole. The swinging wire rod part can fit the Chinese paper standard (CNS) Α4 specification (210X297 mm). -46-Reminder

Page order 1227757 A7 B7 V. Description of the invention The sewing pattern of the rotating part can only be sewn from time to time. Swing the wire rod part or length, so determine its directionality via. In addition, the pattern sewing is formed by only () structure, and the swinging and rotating part of the pendulum is not attached to the position. If the swing or length is based on the necessary requirements, and after the main body of the Intellectual Property Bureau of the Ministry of Economic Affairs ’employee consumer cooperative can print the body, the general sewing can be carried out. Fancy stitching has an advantage over economic masks. Therefore, when the car that moves the wire rod and the wire rod is removed to swing, the sewing rod is rotated at this point, and the wire rod is installed. Therefore, when the grid was invented, the swing bar of this modified sewing machine was equally easy to carry. It was only necessary to purchase a unit device and use a pattern to attach the sewing type bar to the sewing bar. If the moving part such as the sewing machine is raised backward, it will hinder the advancement in the state, for example, the component adjustment swings at the rotating part of the rotating part, and the swing bar 2 points: It is composed of a pattern sewing unit. Therefore, the mechanism is not installed, and the workability is not high. The sewing machine body, etc., expands the machine to sew in a row to sew in a row. It can be cut smoothly. The thread section is installed. The unit that uses the fixed part is equipped with a unit device. The device is not equipped with a pattern to the sewing mechanism. A selection of rod forming operations; general sewing operations. In the process of construction, the structure of the direction and position is integrally held by the installation operation. ^ It is the body of the sewing machine, but it is the body. It is difficult for the user to purchase the necessary degree of freedom. Brief description of the drawing. The paper size of the pattern sewing paper in the first embodiment of the present invention is applicable to the Chinese National Standard (CNS) A4 specification (210X29? Male) -47-Please read the back & intentions before f 1227757 A7 B7 Ministry of Economic Affairs Printed by the Intellectual Property Bureau's Consumer Cooperatives V. Description of the Invention () An oblique view of the sewing machine. Fig. 2 is a partial cross-sectional view showing a swing thread bar mounted on a pattern sewing machine according to the first embodiment of the present invention. Fig. 3 is a side view of the swinging wire rod mechanism in the first embodiment of the present invention. Fig. 4 is a bottom view of the swing bar mechanism in the first embodiment of the present invention, and is a view showing a state where the first swing bar portion and the second swing bar portion are closed. Fig. 5 is a lower view of the swing bar mechanism in the first embodiment of the present invention, and is a view showing a state where the first swing bar portion and the second swing bar portion are opened. Fig. 6 is a perspective view showing only the first swing wire rod portion and the second swing wire rod portion in the first embodiment of the present invention. Fig. 7 is a left side view showing the internal structure of a pattern sewing machine according to a second embodiment of the present invention. Fig. 8 is an exploded perspective view showing a structure near a swinging wire rod in a second embodiment of the present invention. Fig. 9 is a perspective view of a tip end portion of a swing wire rod according to a second embodiment of the present invention. Fig. 10 is a sectional view taken along A-A in Fig. 7. Figure 11 is a sectional view taken along the line B-B in Figure 7. Fig. 12 is a view showing a link mechanism from the main shaft of the sewing machine to the first and second swinging thread rods in the second embodiment of the present invention, and also shows a state where the main shaft is rotated at 60 °. This paper size applies to Chinese National Standard (CNS) A4 (210X 297 mm) · 48-Please read the notes on the back before reading

Binding line 1227757 A7 B7 V. Description of the invention (46) Figures 1 and 3 show the link mechanism from the main shaft of the sewing machine to the first and second swinging thread levers in the second embodiment of the present invention, and also show the main shaft State of rotation at 7 8 0 °. Fig. 14 is a dynamic diagram of a driving cam in the second embodiment of the present invention. Fig. 15 is a diagram for explaining the process of forming a pattern seam using two pattern silk threads when sewing two stitches and four threads in a second embodiment according to the present invention. Fig. 16 is a diagram showing a modified example of a pattern sewing pattern that can be realized in the second embodiment of the present invention. FIG. 17 is a diagram showing another example of the first and second swinging wire rods which can be detachably mounted on the outer cylinder shaft and the inner cylinder shaft in the second embodiment of the present invention. FIG. 18 is a view from the present invention. The external view of the state where the pattern sewing unit device is removed from the pattern sewing machine in the third embodiment. Fig. 19 is a perspective view of a pattern sewing unit device according to a third embodiment of the present invention. Gog, Intellectual Property of the Ministry of Economic Affairs (printed by the Industrial and Consumer Cooperatives, FIG. 20 is a diagram showing the relationship between the stepping motor and the swing rod of the pattern sewing unit unit built in the third embodiment of the present invention. It also shows the state when "the number of stitches = 0" in Fig. 27. Fig. 21 shows a stepping motor and a swing wire rod embedded in the pattern sewing unit device in the third embodiment of the present invention. The diagram of the relationship between the connecting rods also shows the state when "the number of stitches = 2" in Fig. 27. Fig. 22 is a diagram showing the application of the Chinese National Standard (CNS) for measuring the paper size in the third embodiment of the invention ) A4 specification (210'〆297)-49- 1227757 A7 B7 47 V. Description of the invention () The figure of the encoder of the sensor for the number of revolutions of the spindle. Figures 23 and 3 show the third implementation of the present invention. In the form example, the diagram of the conductive connection structure of the sewing machine body and the pattern sewing unit is shown in Fig. 24. Fig. 24 shows the control flow of the sewing machine when the pattern sewing is performed in the third embodiment of the present invention. Fig. 25 shows the present invention. Of the third embodiment of the sewing machine Flow chart. Fig. 26 is a dynamic diagram showing the operating state of a stepping motor built in a pattern sewing unit device according to a third embodiment of the present invention. Fig. 27 is a third embodiment of the present invention. In the example, three stitches and four pattern threads are used to explain the formation process of the pattern sewing. Figures 28 are diagrams showing a representative example of the pattern sewing pattern that can be realized in the third embodiment of the present invention. Fig. 2 is a perspective view showing another example of a pattern sewing unit device according to the third embodiment of the present invention. Fig. 30 is a view showing a pattern sewing pattern that can be realized by the pattern sewing unit device of Fig. 29. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Fig. 31 is a diagram showing a latch engaged with a fixing protrusion and its surrounding structure in the third embodiment of the present invention. [Illustration of the drawing number] 1 0: Swing Wire rod mechanism 1 1: Stepping motor (rotary drive source) 1 3: Output shaft The paper size is applicable to Chinese National Standard (CNS) A4 specifications (210X 297 public directors)-50-1227757 A7 B7 _ V. Description of the invention ( ) 1 4: Swing wire rod driving piece 1 5 a: 1st Rod 1 5 b: 2nd connecting rod 1 6 1: 1st rotating part (rotating part) 1 6 1 b: 1st swinging wrist part (swinging wrist part) 1 6 2: 2nd rotating part (rotating part) 1 6 2 b: 2nd swinging wrist (swinging wrist) 1 8 1: 1st swinging rod (swinging rod) 1 8 1 a: 1st holding shaft (holding shaft) 1 8 1 b: 1st 1Swing line arm (swing line arm) 1 8 2: 2nd swing line portion (swing line portion) 1 8 2 a: 2nd holding shaft portion (holding shaft portion) 1 8 2 b: 2Swing bar wrist (Swing bar wrist) 1 9: Rotating shaft 4 2: Outer cylinder shaft Printed section of the hand-knotted part of the Ministry of Economic Affairs ’Intellectual Property Bureau ’s Consumer Cooperative ’s tie bar wrist bar {丨 wire rod line Mouth-moving part Linear part lacking shaft up and down pendulum insertion pendulum insertion concave cylinder protrusion 1 outer pendulum 2 outer: inner:: first:: first: 1D · · 3 1D ·. IX CV1 ·. IX 233322233 444433333 Paper size Applicable to China National Standard (CNS) A4 specification (210X297 mm) -51 · 1227757 A7 B7 — V. Description of the invention () 3 3 2: Swing rod wrist 3 3, 3 7: Spherical body (binding means) 3 5 3, 8: coil spring Tying means) 3 6,3 9: a cover (tying means) 5〇: mast pivot shaft 63: needle holder bar 65: needle economic Intellectual Property Office employee consumer cooperative printed 13567777813455556 77777777788888888 a b c τχ

It shows the body needle left, middle, and right fixed samples and fixed-element moving flowers.

L □ I / O connection / IV port 吝 ¾ Body connection to the side of the machine ’s hole side port ίρ Electrical connection control assembly Use side thread pattern flower rod pendulum B. —UU countersunk wire thread wire Silk paper size Applicable to Chinese National Standard (CNS) A4 specification (210X 297 mm) -52-50 1227757 A7 B7 V. Description of the invention () 8 6 1: Pattern silk thread hole 8 6 1 R: Pattern silk thread hole 8 6 1 L: Pattern silk thread hole 8 7: Stepping motor 9 0: Link link A (link mechanism) 9 1: Link link B (Link mechanism) 9 2: Encoder 9 3: Spindle 9 4: Detection section (encoding device) 9 5: Sewing plate (encoding device) 1 0 1, 1 0 2: Pattern sewing machine Sewing Machine Intellectual Property Office The paper size printed by the employee consumer cooperative is applicable to China National Standard (CNS) A4 (210X 297 mm) -53-

Claims (1)

1227757 A8 B8 C8 D8 Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 6. Application for patent scope 1. A pattern sewing machine is provided with: a needle fixing rod that moves the needle up and down and back and forth, and near the needle on the cloth A pattern sewing sewing machine having a swing thread bar mechanism with a swing thread bar that reciprocates in a horizontal direction crossing the cloth feeding direction is characterized in that the swing thread bar mechanism includes a reciprocating rotation in synchronization with the reciprocating motion of the needle fixing rod The rotating part and the swinging wire rod part which can be detachably held by the rotating part are configured. The rotating part is provided with positioning means for positioning the swinging wire rod part when the swinging wire rod part is gripped. 2. The pattern sewing machine according to item 1 of the scope of patent application, wherein the swinging threaded rod portion includes a holding shaft portion held by the rotating portion and a swinging thread arm wrist extending from the holding shaft portion and forming a patterned silk thread hole at the tip. The positioning means includes rotation direction positioning means for determining a rotation direction position of the swing wire rod part in an axis rotation direction of the grip shaft part, and the swing line for determining an axial direction of the grip shaft part. Axial positioning means for the axial position of the shaft. 3. The pattern sewing machine according to item 1 or 2 of the scope of patent application, wherein the rotating portion includes a swinging wrist portion swinging around the center of rotation of the rotating portion, and the swinging arm portion holds the swinging thread rod portion. . 4. The pattern sewing machine according to item 3 of the scope of patent application, wherein the swinging wrist portion is configured by a first swinging wrist portion and a second swinging wrist portion that hold the same swinging center to each other; the first swinging wrist portion And the second swinging wrist is fixed to the needle This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) ′ 1227757 Α8 Β8 C8 D8 Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 6. The scope of the patent application is synchronized with the up and down movements of the bars Swing in the direction; the first swinging wire rod portion can be detachably held in the first swinging wrist portion, and the second swinging wire rod portion can be detachably held in the second swinging wrist portion. 5. The pattern sewing machine according to item 4 of the patent application scope, further comprising: a rotary driving source provided with an output shaft for reciprocating rotation; and a swinging wire rod installed on the aforementioned output shaft and rotating integrally with the output shaft A driving piece; and one end thereof is connected to the first swing lever driving piece and the other end is connected to the first connecting rod of the first swing wrist; and one end is connected to the swing lever driving piece and the other end is connected to the second The second connecting rod of the swing wrist; the position where the first connecting rod is connected to the swing wire rod driving piece and the position where the second connecting rod is connected to the swing wire rod driving piece are formed in a positional relationship that sandwiches the output shaft . 6 · The pattern sewing machine according to item 1 of the patent application range, wherein the rotating portion includes a rotating shaft portion that rotates around the center of rotation of the rotating portion 'and holds the swinging thread rod portion at the rotating shaft portion. 7 · The pattern sewing machine according to item 6 of the patent application, wherein the swinging threaded rod portion includes a plug-in holding portion which is externally inserted into the outer periphery of the rotation shaft portion, and extends from the plug-in holding portion to form a pattern at the tip. The wire hole is formed by swinging a wrist arm of the wire rod; and the external plugging portion and the rotating shaft portion can be detachably connected by a binding means. 8 · If the pattern sewing machine of the patent application No. 6 or 7, -Rod winter ϋ / rj m * Male 7 9 2 1227757 A8 B8 C8 D8 3 (Applicable to patents where the aforementioned rotating shaft part is constituted by an inner cylinder shaft forming an outer cylinder shaft; the aforementioned outer cylinder shaft and the aforementioned inner cylinder Synchronize them in opposite directions to each other. The inner cylinder shaft can be attached and detached. The inner cylinder shaft can be attached and detached. The second pendulum is formed on the outer cylinder shaft to determine the position of the rotation direction of the swing wire rod. Means for positioning in the axial direction before the shaft; positioning means for positioning the shaft in the axial direction before the shaft direction of the inner cylinder for determining the position of the rotation direction of the swing wire rod part. It is a hollow outer cylinder shaft and reciprocating up-and-down motion interposed between the shaft and the needle fixing rod; the first swinging wire rod portion is held in the movable wire rod portion, and the first The rotation direction positioning means 1 and the second rotation direction positioning means for determining the position of the first swing wire in the axial direction with respect to the inner cylinder shaft, and the axial direction position determining means for the second swing wire are It is equipped with: a pattern sewing sewing thread bar holding the needle, and a swinging thread bar near the needle on the cloth, and a moving thread bar; and a drive mechanism connected and removably mounted on the main body of the sewing machine through a link mechanism. The pattern sewing unit installed on the control circuit connector of the socket of the sewing machine is installed on the sewing machine. Please read the back first. Note 4fl a. Printed on the upper and lower cloth direction sewing machine by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The single electric sewing machine of the swinging fixed body can reciprocate the cross-water pattern sewing sewing fixing rod for reciprocating. It features a protrusion source for a wire rod. The control unit only implements the flat direction of the moving needle. The body holds step-type components, the system uses a pendulum motor when necessary for sewing, and the pluggable connection applies this paper size to the Chinese national standard (CNS ) A4 specification (210X297 mm) -66- 1227757 A8 B8 C8 _ D8 VI. Patent application scope 1 0 · For example, the pattern sewing machine of item 9 of the patent application scope, in which the display unit is formed on the sewing machine body, when the aforementioned pattern car When the sewing unit device is mounted on the sewing machine body, it is detected that the control circuit connector part is connected, and the display section is switched to the display content dedicated to the pattern sewing; when the pattern sewing unit device is not mounted on the sewing machine body , It is detected that the control circuit connector section is not connected, and the aforementioned display section displays the content about the general sewing type. 1 1 · If the pattern sewing machine of item 9 or i 0 of the patent application scope, wherein the aforementioned swinging thread bar is formed by a swinging thread bar which is reciprocated in opposite directions and each has a pair of a plurality of silk hole, The stepping motor drives the aforementioned pair of swing wire rods through a two-link mechanism. (Please read the precautions on the back before printing this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs This paper is sized for China National Standard (CNS) A4 (210X297 mm)