TWI391547B - Sewing machine tangent device - Google Patents
Sewing machine tangent device Download PDFInfo
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- TWI391547B TWI391547B TW097139177A TW97139177A TWI391547B TW I391547 B TWI391547 B TW I391547B TW 097139177 A TW097139177 A TW 097139177A TW 97139177 A TW97139177 A TW 97139177A TW I391547 B TWI391547 B TW I391547B
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- movable blade
- line
- bottom line
- thread
- capturing
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
- D05B65/02—Devices for severing the needle or lower thread controlled by the sewing mechanisms
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
- D05B37/04—Cutting devices
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B63/00—Devices associated with the loop-taker thread, e.g. for tensioning
- D05B63/02—Loop-taker thread take-up levers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
本發明涉及捕捉沿挺針板和彎針張掛的面線和縫合底線並將其切斷的縫紉機的切線裝置，更詳細為，涉及切線裝置所具備的可動刀片的結構。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thread cutting device for a sewing machine that captures a needle thread and a sewing thread which are suspended along a needle needle plate and a looper, and more particularly relates to a structure of a movable blade provided in the thread cutting device.
第13圖為表示現有技術的縫紉機切線裝置1的一部分的透視圖。現有技術的縫紉機切線裝置1記載在例如日本國實公昭63-10149號公報中。該現有技術採用這樣的結構：當與形成在被縫製物上的針跡的終端相連的縫合底線T1和面線T2、T3從挺針板的落針孔沿彎針2張掛，形成一連串的針跡時，在可動刀片3沿箭頭A1的方向前進，捕捉到從上述落針孔沿彎針2張掛的縫合底線T1的張掛部分T1a以及各面線T2、T3的張掛部分T2a、T2b、T3a、T3b之後，可動刀片3沿箭頭A2的方向後退，靠近設置在該後退位置上的固定刀片4的刃尖部4a，與固定刀片4的刃尖部4a上形成的切割刃4b協同動作，將各線T1、T2、T3各自的張掛部分T1a、T2a、T2b、T3a、T3b剪斷。Figure 13 is a perspective view showing a part of a prior art sewing machine thread cutting device 1. A sewing machine tangential device 1 of the prior art is described in, for example, Japanese Patent Publication No. Sho 63-10149. This prior art employs a structure in which a suture bottom line T1 and an upper thread T2, T3 which are connected to the end of the stitch formed on the object to be sewn are hung from the needle drop hole of the needle jack along the looper 2 to form a series of needles. At the time of the track, the movable blade 3 advances in the direction of the arrow A1, and the hanging portion T1a of the stitching bottom line T1 which is hung from the needle hole 2 along the looper 2 and the hanging portions T2a, T2b, T3a of the respective upper lines T2 and T3 are caught. After T3b, the movable blade 3 retreats in the direction of the arrow A2, and approaches the blade edge portion 4a of the fixed blade 4 provided at the retracted position, and cooperates with the cutting edge 4b formed on the blade edge portion 4a of the fixed blade 4 to move the wires. The respective hanging portions T1a, T2a, T2b, T3a, and T3b of T1, T2, and T3 are cut.
上述可動刀片3為上表面和下表面與大致垂直於上下往復運動的縫紉針5、6的移動路徑的虛擬平面平行地配置的板狀的長的部件，上述上表面面向挺針板配置，上述下表面面向彎針2配置。在該可動刀片3的上述前進方向A1的 下游一側的一端部，形成朝向上述前進方向A1的下游一側頂端變細的頂端部分7，在比該頂端部分7靠近縫製物的進給方向B的上游一側，形成有縫合底線鈎掛凹陷部8和面線鈎掛凹陷部9。The movable blade 3 is a plate-shaped long member in which the upper surface and the lower surface are arranged in parallel with a virtual plane perpendicular to a movement path of the sewing needles 5 and 6 that reciprocate vertically, and the upper surface faces the needle jack. The lower surface faces the curved needle 2 configuration. In the above-described advancing direction A1 of the movable blade 3 The one end portion on the downstream side is formed with a tip end portion 7 which is tapered toward the downstream end of the advancing direction A1, and a suture bottom line hook is formed on the upstream side of the tip end portion 7 in the feeding direction B of the sewing material. The recessed portion 8 and the upper thread hook the recessed portion 9.
縫製動作停止後，當可動刀片3前進時，上述可動刀片3的頂端部分7進入配置在最靠後退位置上的一根面線T3的各張掛部分T3a、T3b之間，然後穿過比縫合底線T1的張掛部分T1a靠縫製物的進給方向B的上游--即穿過與第13圖的圖面垂直的靠身邊一側，用從上述頂端部分7向上述縫製物的進給方向B的下游一側延伸的引導面10，將縫合底線T1的張掛部分T1a引導到上述縫合底線鈎掛凹陷部8內加以捕捉，並且，用上述引導面10將各面線T2、T3的張掛部分T2a、T3a引導到上述面線鈎掛凹陷部9內加以捕捉，由像上述那樣可動刀片3向箭頭符號A2方向的退避動作將連接在被縫製物上的全部線T1、T2、T3各自的張掛部分T1a、T2a、T2b、T3a、T3b拉到退避位置，與固定刀片4協同動作將線T1、T2、T3各自的張掛部分T1a、T2a、T2b、T3a、T3b切斷。After the sewing operation is stopped, when the movable blade 3 advances, the tip end portion 7 of the movable blade 3 enters between the respective hanging portions T3a, T3b of one of the upper thread lines T3 disposed at the most retracted position, and then passes through the sewing bottom line. The hanging portion T1a of the T1 is upstream of the feeding direction B of the sewing material, that is, the side closer to the side perpendicular to the drawing of Fig. 13, and the feeding direction B from the above-mentioned tip portion 7 to the above-mentioned sewing object The guide surface 10 extending on the downstream side guides the hanging portion T1a of the sewing bottom line T1 into the suture bottom thread hooking recess portion 8 to be captured, and the hanging portion T2a of each of the upper thread lines T2 and T3 is guided by the guiding surface 10, T3a is guided into the above-described upper thread hooking recessed portion 9 and captured, and the retracting operation of the movable blade 3 in the direction of the arrow symbol A2 as described above connects the respective hanging portions T1a of all the lines T1, T2, and T3 connected to the object to be sewn. T2a, T2b, T3a, and T3b are pulled to the retracted position, and the fixed portions 4, T2a, T2a, T2b, T3a, and T3b of the lines T1, T2, and T3 are cut in cooperation with the fixed blade 4.
上述現有技術存在這樣的問題：當像上述那樣可動刀片3沿箭頭A1的方向前進、捕捉到縫合底線T1的張掛部分T1a後，可動刀片3沿箭頭A2的方向後退、將上述縫合底線T1的張掛部分T1a和各面線T2、T3各自的張掛部分T2a、T2b、T3a、T3b一起切斷，此時雖然能夠使上述縫合底線T1的張掛部分T1a基本可靠地穿過近似U字形地包繞在彎針2上的一根面線T2的各張掛部分T2a、T2b之間和T3a、T3b 之間，但在縫合底線T1的張掛部分T1a因可動刀片3向箭頭A1的方向前進時產生的振動及其他原因而變成移動到比頂端部分7移動的路徑更靠縫製物進給方向B的上游一側的狀態下，會出現不能將縫合底線T1引導到縫合底線鈎掛凹陷部8內加以捕捉的情況，因此不能切斷縫合底線T1。The above-described prior art has a problem in that, when the movable blade 3 advances in the direction of the arrow A1 and captures the hanging portion T1a of the sewing bottom line T1 as described above, the movable blade 3 retreats in the direction of the arrow A2 to hang the suture bottom line T1. The portion T1a and the respective hanging portions T2a, T2b, T3a, and T3b of the respective upper threads T2 and T3 are cut together. At this time, the hanging portion T1a of the sewing bottom line T1 can be substantially reliably passed through the approximately U-shape in the curved portion. Between each of the hanging portions T2a, T2b of an upper thread T2 on the needle 2 and T3a, T3b However, the hanging portion T1a of the sewing bottom line T1 is moved to the upstream of the sewing material feeding direction B by the vibration generated by the movable blade 3 as it advances in the direction of the arrow A1 and other reasons. In the state of one side, there is a case where the sewing bottom thread T1 cannot be guided into the sewing bottom thread hooking recessed portion 8 to be caught, and therefore the sewing bottom thread T1 cannot be cut.
本發明的目的就是要提供一種能夠可靠地切斷縫合底線的縫紉機的切線裝置。SUMMARY OF THE INVENTION An object of the present invention is to provide a thread cutting device for a sewing machine capable of reliably cutting a sewing bottom thread.
本發明為一種縫紉機的切線裝置，包括：可動刀片，在頂端部具有捕捉面線和縫合底線的線捕捉部，並且在該線捕捉部進入到挺針板與彎針之間的前進位置和從該前進位置退避後的後退位置之間往復移動；以及固定刀片，通過上述可動刀片從前進位置向後退位置的移動，使被捕捉到上述可動刀片的線捕捉部上的縫合底線和面線從縫製時的張掛位置退避，並與上述可動刀片協同動作進行剪斷，其特徵在於：在上述可動刀片上，在比上述線捕捉部靠頂端一側的區域，形成有將縫合底線引導到上述線捕捉部的分線引導部。The present invention relates to a thread cutting device for a sewing machine, comprising: a movable blade having a line catching portion for capturing a face line and a stitching bottom line at a top end portion, and entering a forward position between the needle catching plate and the looper at the line catching portion and a reciprocating movement between the retracted positions after the retracted forward position; and a fixed blade, wherein the suture bottom line and the upper thread captured on the line catching portion of the movable blade are sewn by the movement of the movable blade from the forward position to the retracted position The hanging position of the time is retracted and is sheared in cooperation with the movable blade. The movable blade is formed to guide the sewing thread to the line capture in a region on the distal end side of the line capturing portion. The branch guide of the department.
根據本發明，當可動刀片向前進方向移動時，利用在可動刀片的比線捕捉部靠頂端一側形成的分線引導部將縫合底線的張掛在挺針板與彎針之間的張掛部分引導到線捕捉部內，用線捕捉部可靠地捕捉縫合底線，然後使可動刀片向後退位置移位，由此能夠與固定刀片協同動作可靠地 剪斷捕捉到的縫合底線的張掛部分。According to the present invention, when the movable blade is moved in the forward direction, the branching portion of the movable blade which is formed on the distal end side of the line catching portion is guided by the hanging portion between the needle plate and the looper. In the line capturing portion, the sewing thread is reliably captured by the wire capturing portion, and then the movable blade is displaced to the retracted position, thereby being able to cooperate with the fixed blade reliably. Cut the caught portion of the stitched bottom line.
並且，本發明中，上述分線引導部最好是，在可動刀片的頂端部，在相對於包含可動刀片的軸線的虛擬平面的與形成有上述線捕捉部的一側相反的一側，向從後退位置朝向前進位置的前進方向的下游一側突出地形成。Further, in the present invention, it is preferable that the branching guide portion has a side opposite to a side on which the line capturing portion is formed on a virtual plane including an axis of the movable blade at a distal end portion of the movable blade. It is formed to protrude from the backward position toward the downstream side in the advancing direction of the advanced position.
根據本發明，由於上述分線引導部向從後退位置朝向前進位置的前進方向的下游一側突出地形成在可動刀片的頂端，因此即使縫合底線的張掛部分因彎針振動或其他原因而向比可動刀片的頂端更靠近相對於包含上述軸線的虛擬平面的與上述線捕捉部相反的一側移動，也能夠將該張掛部分引導向相對於上述虛擬平面的線捕捉部一側，能夠可靠地捕捉縫合底線將其剪斷。According to the invention, since the branching guide portion is formed at the distal end of the movable blade from the retracted position toward the downstream side in the advancing direction of the advanced position, even if the suspending portion of the suture bottom line is vibrated by the looper vibration or the like, The tip end of the movable blade is moved closer to the side opposite to the line capturing portion with respect to the virtual plane including the axis, and the hanging portion can be guided to the side of the line capturing portion with respect to the virtual plane, and can be reliably captured. Sew the bottom line to cut it.
而且，本發明中，上述分線引導部最好是，在可動刀片的頂端部，在相對於包含可動刀片的軸線的虛擬平面的形成有上述線捕捉部的一側，從可動刀片的面對上述挺針板的上表面向內凹地形成。Further, in the present invention, it is preferable that the branching guide portion faces the movable blade at a distal end portion of the movable blade on a side on which the line capturing portion is formed on a virtual plane including an axis of the movable blade. The upper surface of the above needle plate is concavely formed inward.
根據本發明，由於上述分線引導部在可動刀片的頂端部，在相對於上述虛擬平面的形成有線捕捉部的一側，從上表面向內凹地形成，因此能夠用分線引導部將縫合底線的張掛部分從可動刀片的頂端引導到線捕捉部內，能夠可靠地捕捉縫合底線將其剪斷。According to the aspect of the invention, the branching guide portion is formed in the distal end portion of the movable blade on the side where the wired capturing portion is formed on the virtual plane, and is formed inwardly from the upper surface. Therefore, the sewing guide line can be used for the sewing thread. The hanging portion is guided from the top end of the movable blade into the wire catching portion, and the sewing bottom line can be reliably caught to be cut.
而且，本發明中，上述分線引導部最好是，在可動刀片的頂端部，在相對於包含可動刀片的軸線的虛擬平面的與形成有上述線捕捉部的一側相反的一側，從可動刀片的 面對上述挺針板的上表面***地形成。Further, in the present invention, it is preferable that the branching guide portion has a side opposite to a side on which the line capturing portion is formed on a virtual plane including an axis of the movable blade at a distal end portion of the movable blade. Movable blade The upper surface of the needle plate is formed to be raised in a raised manner.
根據本發明，由於上述分線引導部在相對於上述虛擬平面的與形成了線捕捉部的一側相反的一側，從上表面***地形成，因此能防止縫合底線的張掛部分向比頂端更靠近相對於上述虛擬平面的與上述線捕捉部相反的一側移動，能夠被分線引導部引導到上述線捕捉部一側，因此能夠將縫合底線的張掛部分引導到上述線捕捉部一側，能夠可靠地捕捉縫合底線將其剪斷。According to the present invention, since the branching guide portion is formed to be raised from the upper surface on the side opposite to the side on which the line capturing portion is formed with respect to the virtual plane, it is possible to prevent the hanging portion of the stitching bottom line from being more than the top end The movement from the side opposite to the line capturing portion with respect to the virtual plane can be guided to the line capturing portion side by the branching guide portion. Therefore, the hanging portion of the sewing thread can be guided to the line capturing portion side. The suture bottom line can be reliably captured to cut it.
這樣一來，根據本發明，能夠防止縫合底線的張掛部分因彎針振動或其他原因而向比可動刀片的頂端更靠近相對於包含上述軸線的虛擬平面的與上述線捕捉部相反的一側移動，將該張掛部分引導到相對於上述虛擬平面的線捕捉部一側，能夠可靠地捕捉縫合底線將其剪斷。According to the present invention, it is possible to prevent the hanging portion of the sewing bottom thread from moving closer to the side opposite to the above-described line catching portion with respect to the virtual plane including the above-mentioned axis due to the bending needle vibration or the like. The hanging portion is guided to the side of the line capturing portion with respect to the virtual plane, and the sewing bottom line can be reliably caught and cut.
通過下述的詳細說明和附圖，本發明的目的、特徵和優點應該能夠更加明瞭。The objects, features, and advantages of the invention will be apparent from the description and appended claims
第1圖為表示本發明的一個實施方式的縫紉機切線裝置的一部分的透視圖。Fig. 1 is a perspective view showing a part of a sewing machine thread cutting device according to an embodiment of the present invention.
第2圖為表示可動刀片的頂端附近的放大俯視圖。Fig. 2 is an enlarged plan view showing the vicinity of the tip end of the movable blade.
第3圖為表示可動刀片的整體的俯視圖。Fig. 3 is a plan view showing the entire movable blade.
第4圖為可動刀片頂端附近的放大透視圖。Figure 4 is an enlarged perspective view of the vicinity of the top end of the movable blade.
第5圖為表示縫合底線被分線引導部引導到縫合底線捕捉部一側的途中的狀態的後視圖。Fig. 5 is a rear elevational view showing a state in which the suture bottom thread is guided to the suture bottom line capturing portion side by the branching guide portion.
第6A及6B圖為用來說明切線裝置的動作的圖，第6A圖 表示彎針向前進位置移動，捕捉到面線的狀態；第6B圖表示可動刀片向前進位置移動，剛剛將縫合底線引導到縫合底線捕捉部一側之後的狀態。6A and 6B are diagrams for explaining the operation of the thread cutting device, Fig. 6A The looper is moved to the forward position to capture the state of the upper thread, and FIG. 6B is a state in which the movable blade is moved to the advanced position and the suture bottom line is just guided to the side of the suture bottom capture portion.
第7A及7B圖為用來說明切線裝置的動作的圖，第7A圖表示向前進位置移動了的可動刀片的縫合底線捕捉部捕捉到縫合底線的狀態，第7B圖表示可動刀片向後退方向移動，將縫合底線和各面線一起拉向退避位置的即將剪切前的狀態。7A and 7B are views for explaining the operation of the thread cutting device, and Fig. 7A shows a state in which the suture bottom line capturing portion of the movable blade that has moved to the advanced position captures the sewing thread, and Fig. 7B shows the movable blade moves in the backward direction. The state in which the suture bottom line and each upper thread are pulled together toward the retracted position immediately before the cutting.
第8A及8B圖為用來說明切線裝置的動作的圖，第8A圖表示縫合底線和各面線被剪斷的狀態，第8B圖表示剪斷後的各面線被拉到被縫製物上的狀態。8A and 8B are views for explaining the operation of the thread cutting device, FIG. 8A shows a state in which the sewing bottom thread and each upper thread are cut, and FIG. 8B shows that each of the upper thread after the cutting is pulled onto the object to be sewn. status.
第9圖為表示本發明的其他實施方式的縫紉機切線裝置所使用的可動刀片的一部分的透視圖。Fig. 9 is a perspective view showing a part of a movable blade used in a sewing machine thread cutting device according to another embodiment of the present invention.
第10圖為用來說明縫合底線被分線引導部引導到縫合底線捕捉部的狀態的後視圖。Fig. 10 is a rear elevational view for explaining a state in which the suture bottom line is guided to the suture bottom line catching portion by the branch guide portion.
第11圖為表示本發明的另外的其他實施方式的縫紉機切線裝置所使用的可動刀片的一部分的透視圖。Fig. 11 is a perspective view showing a part of a movable blade used in a sewing machine thread cutting device according to still another embodiment of the present invention.
第12圖為用來說明縫合底線被可動刀片的分線引導部引導的動作的後視圖。Fig. 12 is a rear elevational view for explaining an operation of guiding the sewing thread to be guided by the branching guide of the movable blade.
第13圖為表示現有技術的縫紉機切線裝置的一部分的透視圖。Figure 13 is a perspective view showing a portion of a prior art sewing machine tangential device.
第1圖為表示本發明的一個實施方式的縫紉機切線裝置20的一部分的透視圖。本實施方式的縫紉機切線裝置20設置在雙線鎖縫縫紉機或平式連鎖縫縫紉機的挺針板下，採用能夠在縫製動作停止時，用縫合底線捕捉部26捕捉縫合底線T1和各面線T2、T3的張掛在挺針板21的落針孔22、23與彎針28之間的各張掛部分T1a、T2a、T2b、T3a、T3b中的與被縫製物相連的各張掛部分T1a，用面線捕捉部27捕捉T2a、T3a，在從落針位置退避的退避位置將它們剪斷的結構。Fig. 1 is a perspective view showing a part of a sewing machine thread cutting device 20 according to an embodiment of the present invention. The sewing machine thread cutting device 20 of the present embodiment is disposed under the needle plate of the double-thread lock sewing machine or the flat chain stitch sewing machine, and is capable of capturing the sewing bottom thread T1 and the respective upper thread T2 by the sewing bottom thread catching portion 26 when the sewing operation is stopped. The T3 is hung on each of the hanging portions T1a, T2a, T2b, T3a, and T3b between the needle dropping holes 22, 23 of the needle plate 21 and the curved needle 28, and each of the hanging portions T1a connected to the object to be sewn is used. The line capturing unit 27 captures T2a and T3a and cuts them at the retracted position retracted from the needle drop position.
上述切線裝置20包括可動刀片30和固定刀片31，所述可動刀片30在頂端25上具有捕捉縫合底線T1和各面線T2、T3的縫合底線捕捉部26和面線捕捉部27，並能夠沿箭頭A1、A2的方向在這些線捕捉部26、27進入挺針板21與彎針28之間的前進位置和從該前進位置退避後的後退位置之間往復移動；所述固定刀片31通過上述可動刀片30沿從前進位置到後退位置的箭頭A2的方向移動，使被可動刀片30的線捕捉部26、27捕捉到的縫合底線T1和各面線T2、T3從縫製時的張掛位置退避，與上述可動刀片30協同動作將縫合底線T1及各面線T2、T3剪斷。The tangential device 20 includes a movable blade 30 and a fixed blade 31 having a suture bottom line catching portion 26 and an upper thread catching portion 27 that capture the suture bottom line T1 and the respective upper lines T2, T3 on the distal end 25, and can be along The directions of the arrows A1, A2 reciprocate between the advancement position between the line catching portions 26, 27 entering the needle plate 21 and the looper 28 and the retracted position after retracting from the forward position; the fixed blade 31 passes the above The movable blade 30 moves in the direction of the arrow A2 from the forward position to the retracted position, and the sewing bottom line T1 and the respective upper threads T2 and T3 captured by the line catching portions 26 and 27 of the movable blade 30 are retracted from the hanging position at the time of sewing. In cooperation with the movable blade 30, the sewing bottom line T1 and the respective upper threads T2 and T3 are cut.
這樣的切線裝置20所具備的上述可動刀片30上，在比上述縫合底線捕捉部26靠頂端的一側--即箭頭A1方向的下游一側(第1圖的左邊)的區域，形成有將縫合底線T1引導到上述縫合底線捕捉部26的分線引導部32。The movable blade 30 of the above-described thread cutting device 20 is formed in a region on the downstream side of the suture bottom line capturing portion 26, that is, on the downstream side in the direction of the arrow A1 (on the left side in FIG. 1). The suture bottom line T1 is guided to the branch line guiding portion 32 of the suture bottom line capturing portion 26 described above.
第2圖為表示可動刀片30的頂端部34附近的放大俯視 圖，第3圖為表示可動刀片30的整體的俯視圖。上述分線引導部32形成在可動刀片30的頂端部34，而且是在相對於包含可動刀片30的中心軸線L1且與可動刀片30的上表面或下表面垂直(即與第2圖的圖面垂直)的虛擬平面、向與形成上述縫合底線捕捉部26的一側相反的一側(即第2圖的下側)偏移△L距離的偏心位置上，向從後退位置朝向前進位置的前進方向A1的下游一側突出地形成在可動刀片30的頂端部34。Fig. 2 is an enlarged plan view showing the vicinity of the distal end portion 34 of the movable blade 30. FIG. 3 is a plan view showing the entire movable blade 30. The branch guide portion 32 is formed at the distal end portion 34 of the movable blade 30, and is perpendicular to the upper surface or the lower surface of the movable blade 30 with respect to the central axis L1 including the movable blade 30 (that is, the surface of the second figure) The virtual plane of the vertical direction is shifted toward the forward position from the retreat position to the eccentric position shifted by ΔL from the side opposite to the side on which the suture bottom line capturing portion 26 is formed (that is, the lower side of FIG. 2). The downstream side of the direction A1 is formed to protrude from the distal end portion 34 of the movable blade 30.
固定在縫紉機機體上的上述固定刀片31層疊在可動刀片30上，從該固定刀片31向後退方向A2突出的根部35上連接有圖中沒有表示的驅動桿，由該驅動桿使可動刀片30向前進方向A1或後退方向A2移位元驅動。壓線彈簧36的活動端彈性地抵接在可動刀片30的下表面上，壓線彈簧36的根部固定在圖中沒有表示的固定刀片安裝臺上。被上述可動刀片30和固定刀片31剪斷的縫合底線T1的下一個針跡的開始端部分，由該壓線彈簧36保持。The fixed blade 31 fixed to the sewing machine body is laminated on the movable blade 30, and a drive lever (not shown) is connected to the root portion 35 protruding from the fixed blade 31 in the backward direction A2, and the movable blade 30 is driven by the drive lever The forward direction A1 or the backward direction A2 shifts the element drive. The movable end of the crimping spring 36 elastically abuts against the lower surface of the movable blade 30, and the root of the crimping spring 36 is fixed to a fixed blade mounting table not shown. The start end portion of the next stitch of the sewing bottom line T1 cut by the movable blade 30 and the fixed blade 31 is held by the pressure spring 36.
第4圖為可動刀片30的頂端部34附近的放大透視圖，第5圖為表示縫合底線T1被分線引導部32引導向縫合底線捕捉部26一側的途中的狀態的後視圖。如上所述，由於在可動刀片30的比縫合底線捕捉部26靠頂端的一側形成有分線引導部32，因此當可動刀片30向前進方向A1移動時，通過該分線引導部32，將縫合底線T1的張掛在挺針板21與彎針28之間的張掛部分T1a引導向縫合底線捕捉部26一側，能夠用縫合底線捕捉部26可靠地捕捉縫合底線T1。因此，當可 動刀片30向箭頭A2的方向移動、向後退位置移位時，能夠與固定刀片31協同動作，可靠地將捕捉到縫合底線捕捉部26上的縫合底線T1的張掛部分T1a剪斷。4 is an enlarged perspective view of the vicinity of the distal end portion 34 of the movable blade 30, and FIG. 5 is a rear elevational view showing a state in which the suture bottom line T1 is guided to the side of the suture bottom line capturing portion 26 by the separation guide portion 32. As described above, since the branch guide portion 32 is formed on the side of the movable blade 30 that is closer to the distal end than the suture bottom line catching portion 26, when the movable blade 30 moves in the advancing direction A1, the branch guide portion 32 passes through The hanging portion T1a of the stitching bottom line T1 that is hung between the needle jack plate 21 and the looper 28 is guided to the side of the stitching bottom line catching portion 26, and the stitching bottom line catching portion 26 can reliably capture the stitching bottom line T1. Therefore, when When the movable blade 30 moves in the direction of the arrow A2 and is displaced to the retracted position, the movable blade 30 can cooperate with the fixed blade 31 to reliably cut the hanging portion T1a of the stitching bottom line T1 caught on the stitching bottom line catching portion 26.
第6A、6B、7A、7B、8A及8B圖為用來說明切線裝置20的動作的圖，第6A圖表示彎針28向前進位置移動，捕捉到面線T2、T3的狀態；第6B圖表示可動刀片30向前進位置移動，剛剛將縫合底線T1引導向縫合底線捕捉部26一側的狀態。並且，第7A圖表示縫合底線T1被向前進位置移動了的可動刀片30的縫合底線捕捉部26捕捉的狀態；第7B圖表示可動刀片30向後退方向A2移動，縫合底線T1和各面線T2、T3一起被拉向退避位置的即將剪斷之前的狀態。而且，第8A圖表示縫合底線T1和各面線T2、T3被剪斷的狀態；第8B圖表示剪斷後的各面線T2、T3的T2b、T3b被拉到被縫製物上的狀態。6A, 6B, 7A, 7B, 8A, and 8B are views for explaining the operation of the thread cutting device 20, and FIG. 6A is a view showing a state in which the looper 28 is moved to the forward position to capture the upper thread lines T2 and T3; The movable blade 30 is moved to the advanced position, and the sewing bottom line T1 is immediately guided to the sewing bottom line capturing portion 26 side. Further, Fig. 7A shows a state in which the suture bottom line T1 is captured by the suture bottom line capturing portion 26 of the movable blade 30 that has moved toward the advanced position, and Fig. 7B shows the movable blade 30 moves in the backward direction A2, and the suture bottom line T1 and each of the upper thread T2 are sewn. T3 is pulled to the state of the retracted position immediately before the cut. Further, Fig. 8A shows a state in which the sewing bottom line T1 and each of the upper thread lines T2 and T3 are cut, and Fig. 8B shows a state in which T2b and T3b of each of the upper thread lines T2 and T3 after the cutting are pulled onto the object to be sewn.
當形成一連串的針跡時，彎針28沿箭頭A1、A2的方向前後往復的動作停止，如第6A圖所示那樣，可動刀片30從重疊在固定刀片31下面的退避位置向前進方向A1移動，經過被彎針28捕捉的各面線T2、T3的近似U字形的各張掛部分T2a、T2b之間以及各張掛部分T3a、T3b之間，即使如第6B圖所示那樣縫合底線T1的張掛部分T1a比可動刀片30的中心軸線L1向上述送進方向B的上游一側(第6B圖的身邊一側)移位一些，通過分線引導部32向比該張掛部分T1a靠上述送進方向B的上游一側彎回，能可靠地將張掛部分T1a引導到縫合底線捕捉部26一側，像第7A圖所示那樣張掛部分 T1a嵌入到縫合底線捕捉部26內，可靠地被捕捉。When a series of stitches are formed, the operation of the looper 28 to reciprocate back and forth in the directions of the arrows A1 and A2 is stopped. As shown in FIG. 6A, the movable blade 30 moves from the retracted position superposed on the lower surface of the fixed blade 31 toward the forward direction A1. Between the respective U-shaped portions T2a and T2b of the respective upper threads T2 and T3 captured by the curved needle 28 and between the respective hanging portions T3a and T3b, even if the bottom line T1 is sewn as shown in FIG. 6B The portion T1a is displaced from the center axis L1 of the movable blade 30 toward the upstream side of the feeding direction B (the side of the side of FIG. 6B), and passes through the branching guide portion 32 in the above-described feeding direction than the hanging portion T1a. The upstream side of B is bent back, and the hanging portion T1a can be reliably guided to the side of the sewing bottom line catching portion 26, and the hanging portion is as shown in Fig. 7A. T1a is embedded in the stitching bottom line capturing portion 26 and is reliably captured.
這樣捕捉到的縫合底線T1的張掛部分T1a如第7B圖所示因可動刀片30向後退方向A2移動而與各面線T2、T3一起被拉到退避位置，像第8A圖所示那樣在各面線T2、T3被剪斷後，縫合底線T1被剪斷，該縫合底線T1的下一個針跡的開始部分被上述壓線彈簧36的彈性地按壓在可動刀片30的下表面保持著，像第8B圖所示那樣各面線T2、T3被拉到被縫製物上。The suspension portion T1a of the suture bottom line T1 thus captured is moved to the retracted position together with the respective upper threads T2 and T3 as the movable blade 30 moves in the backward direction A2 as shown in Fig. 7B, as shown in Fig. 8A. After the upper threads T2 and T3 are cut, the sewing bottom thread T1 is cut, and the beginning portion of the next stitch of the sewing bottom thread T1 is elastically pressed by the pressure spring 36 on the lower surface of the movable blade 30, like As shown in Fig. 8B, the upper threads T2 and T3 are pulled onto the object to be sewn.
這樣一來，由於上述分線引導部32向前進方向A1的下游一側突出地形成在可動刀片30的頂端，因此能夠可靠地捕捉縫合底線T1將其剪斷。In this way, since the branch line guide portion 32 is formed at the distal end of the movable blade 30 so as to protrude toward the downstream side in the advancing direction A1, the suture bottom line T1 can be reliably caught and cut.
第9圖為表示本發明的其他實施方式的切線裝置所使用的可動刀片30a的一部分的透視圖，第10圖為用來說明由分線引導部32將縫合底線T1引導向縫合底線捕捉部26一側的狀態的後視圖。另外，與上述實施方式相對應的部分添加相同的參照符號。本實施方式的切線裝置中上述分線引導部32形成在可動刀片30a的頂端部，而且是在相對於包含可動刀片30a的中心軸L1的虛擬平面的形成了上述縫合底線捕捉部26的一側，在可動刀片30a的面對上述挺針板21的上表面向內凹地形成在可動刀片30a的頂端部。Fig. 9 is a perspective view showing a part of the movable blade 30a used in the thread cutting device according to another embodiment of the present invention, and Fig. 10 is a view for explaining the sewing of the sewing thread T1 to the sewing bottom thread catching portion 26 by the dividing guide portion 32. A rear view of the state of one side. In addition, the same reference numerals are attached to the portions corresponding to the above-described embodiments. In the thread cutting device of the present embodiment, the branching guide portion 32 is formed at the distal end portion of the movable blade 30a, and is on the side on which the suture bottom line capturing portion 26 is formed on the virtual plane including the central axis L1 of the movable blade 30a. The front end portion of the movable blade 30a is formed inwardly on the upper surface of the movable blade 30a facing the above-described needle jack plate 21.
這樣一來，由於分線引導部32在相對於上述虛擬平面的形成了縫合底線捕捉部26的一側，在可動刀片30a的上表面向內凹地形成，因此能防止縫合底線T1的張掛部分T1a因彎針振動及其他原因，向比可動刀片的頂端更靠近相對 於包含上述軸線的虛擬平面的與上述線捕捉部相反的一側移動，能夠將該張掛部分T1a引導向相對於上述虛擬平面的線捕捉部26一側，能夠可靠地捕捉縫合底線將其剪斷。In this way, since the branch guide portion 32 is formed inwardly on the upper surface of the movable blade 30a on the side where the suture bottom line catching portion 26 is formed with respect to the virtual plane, the hanging portion T1a of the suture bottom line T1 can be prevented. Due to the vibration of the looper and other reasons, the closer to the top of the movable blade is relative Moving on the side opposite to the line capturing portion of the virtual plane including the axis, the hanging portion T1a can be guided to the side of the line capturing portion 26 with respect to the virtual plane, and the sewing bottom line can be reliably captured and cut. .
第11圖為表示本發明的另外的其他實施方式的切線裝置用可動刀片30b的一部分的透視圖，第12圖為用來說明縫合底線T1被可動刀片30b的分線引導部32引導的動作的後視圖。另外，與上述實施方式相對應的部分添加相同的參照符號。本實施方式的切線裝置中，上述分線引導部32形成在可動刀片30b的頂端部，而且是在相對於包含可動刀片30b的軸線的虛擬平面的與形成了縫合底線捕捉部26的一側相反的一側，從可動刀片30b的面對挺針板21的上表面***地形成在可動刀片30b的頂端部。Fig. 11 is a perspective view showing a part of a movable blade 30b for a thread cutting device according to still another embodiment of the present invention, and Fig. 12 is a view for explaining an operation of guiding the sewing bottom line T1 by the branching guide portion 32 of the movable blade 30b. Rear view. In addition, the same reference numerals are attached to the portions corresponding to the above-described embodiments. In the thread cutting device of the present embodiment, the branching guide portion 32 is formed at the distal end portion of the movable blade 30b, and is opposite to the side on which the suture bottom line capturing portion 26 is formed with respect to the virtual plane including the axis of the movable blade 30b. One side is formed at the tip end portion of the movable blade 30b from the upper surface of the movable blade 30b facing the needle jack 21.
這樣一來，由於分線引導部在相對於虛擬平面的與形成了縫合底線捕捉部的一側相反的一側，從上表面***地形成，因此能防止縫合底線T1的張掛部分T1a因彎針的振動及其他原因而向比可動刀片的頂端更靠近相對於包含上述軸線的虛擬平面的與上述線捕捉部相反的一側移動，能夠將該張掛部分T1a引導向上述虛擬平面的線捕捉部26的一側，能夠可靠地捕捉縫合底線將其剪斷。In this way, since the branching guide portion is formed bulging from the upper surface on the side opposite to the side of the virtual plane on which the suture bottom line capturing portion is formed, it is possible to prevent the hanging portion T1a of the suture bottom line T1 from being bent by the looper. The vibration and other causes move toward the side opposite to the line capturing portion with respect to the virtual plane including the axis, and can guide the hanging portion T1a to the line capturing portion 26 of the virtual plane. On one side, the bottom line can be reliably captured to cut it.
本發明的又一另外的實施方式也可以在可動刀片的頂端部，形成第1~5圖、第6A和6B圖、第7A和7B圖、以及第8A和8B圖所示的向前進方向A1突出的第1分線引導部32以及第9和10圖所示的從上表面向內凹的第2分線引導部32這兩者；並且也可以形成第1~5圖、第6A和6B圖、第7A和7B 圖、以及第8A和8B圖所示的向前進方向A1突出的第1分線引導部32，和第11及12圖所示的從上表面***的第3分線引導部32這兩者；而且還可以形成第9和10圖所示的從上表面向內凹的第2分線引導部32和第11及12圖所示的從上表面***的第3分線引導部32這兩者；還可以形成第1~8A圖和第8B圖所示的向前進方向A1突出的第1分線引導部32、第9和10圖所示的從上表面向內凹的第2分線引導部32、以及第11及12圖所示的從上表面***的第3分線引導部32的全部。通過在可動刀片的頂端部形成這些第1~第3分線引導部的適當組合，能夠更可靠地防止縫合底線的捕捉失誤。In still another embodiment of the present invention, the forward direction A1 shown in FIGS. 1 to 5, 6A and 6B, 7A and 7B, and 8A and 8B may be formed at the distal end portion of the movable blade. Both the first first branch guide 32 and the second split guide 32 that is recessed from the upper surface as shown in FIGS. 9 and 10; and the first to fifth, sixth and sixth sides may be formed. Figure, 7A and 7B FIG. 8 and the first branch line guide portion 32 protruding in the forward direction A1 shown in FIGS. 8A and 8B, and the third branch line guide portion 32 protruding from the upper surface shown in FIGS. 11 and 12; Further, it is also possible to form the second branch guide portion 32 which is recessed from the upper surface as shown in Figs. 9 and 10 and the third branch guide portion 32 which is raised from the upper surface as shown in Figs. It is also possible to form the first branch guide portion 32 that protrudes in the forward direction A1 as shown in FIGS. 1 to 8A and 8B, and the second split guide that is recessed from the upper surface as shown in FIGS. 9 and 10 The portion 32 and all of the third branch line guiding portions 32 that are raised from the upper surface shown in FIGS. 11 and 12 are shown. By forming an appropriate combination of these first to third branch guides at the distal end portion of the movable blade, it is possible to more reliably prevent the catching of the suture bottom line.
本發明能夠以不脫離其精神或主要特徵的其他各種形態實施。因此，上述實施方式的所有點只是示例，本發明的範圍為權利要求的範圍，不受說明書文本的任何約束。而且，屬於權利要求範圍內的變形或變更全部為本發明的範圍。The present invention can be embodied in other various forms without departing from the spirit or essential characteristics thereof. Therefore, all the above-described embodiments are merely examples, and the scope of the present invention is intended to be limited by the scope of the appended claims. Further, all changes or modifications that come within the scope of the claims are intended to be within the scope of the invention.
1‧‧‧縫紉機切線裝置1‧‧‧Sewing machine thread cutting device
2‧‧‧彎針2‧‧‧bend needle
3‧‧‧可動刀片3‧‧‧ movable blade
4‧‧‧固定刀片4‧‧‧Fixed blades
4a‧‧‧刃尖部4a‧‧‧Edge Tip
4b‧‧‧切割刃4b‧‧‧ cutting edge
5、6‧‧‧縫紉針5,6‧‧‧ sewing needle
7‧‧‧頂端部分7‧‧‧ top part
8‧‧‧縫合底線鈎掛凹陷部8‧‧‧Sewing the bottom line hooking recess
9‧‧‧面線鈎掛凹陷部9‧‧‧Face hooking recess
20‧‧‧縫紉機切線裝置20‧‧‧Sewing machine thread cutting device
21‧‧‧挺針板21‧‧‧Pin needle board
22、23‧‧‧落針孔22, 23‧‧‧ pinhole
25‧‧‧頂端25‧‧‧Top
26‧‧‧縫合底線捕捉部26‧‧‧Sewing bottom line capture department
27‧‧‧面線捕捉部27‧‧‧Face line capture department
28‧‧‧彎針28‧‧‧bend needle
30‧‧‧可動刀片30‧‧‧ movable blade
30a‧‧‧可動刀片30a‧‧‧ movable blade
30b‧‧‧可動刀片30b‧‧‧ movable blade
31‧‧‧固定刀片31‧‧‧Fixed blades
32‧‧‧分線引導部32‧‧‧Distribution Guide
34‧‧‧頂端部34‧‧‧Top part
35‧‧‧根部35‧‧‧ Root
36‧‧‧壓線彈簧36‧‧‧pressure spring
A1、A2‧‧‧箭頭A1, A2‧‧‧ arrows
B‧‧‧進給方向B‧‧‧Feed direction
L1‧‧‧中心軸L1‧‧‧ central axis
T1‧‧‧縫合底線T1‧‧‧ stitching bottom line
T2、T3‧‧‧各面線T2, T3‧‧‧
T1a、T2a、T2b、T3a、T3b‧‧‧各張掛部分T1a, T2a, T2b, T3a, T3b‧‧‧ each hanging part
T2a、T3a‧‧‧捕捉T2a, T3a‧‧‧ capture
第1圖為表示本發明的一個實施方式的縫紉機切線裝置的一部分的透視圖。Fig. 1 is a perspective view showing a part of a sewing machine thread cutting device according to an embodiment of the present invention.
第2圖為表示可動刀片的頂端附近的放大俯視圖。Fig. 2 is an enlarged plan view showing the vicinity of the tip end of the movable blade.
第3圖為表示可動刀片的整體的俯視圖。Fig. 3 is a plan view showing the entire movable blade.
第4圖為可動刀片頂端附近的放大透視圖。Figure 4 is an enlarged perspective view of the vicinity of the top end of the movable blade.
第5圖為表示縫合底線被分線引導部引導到縫合底線捕捉部一側的途中的狀態的後視圖。Fig. 5 is a rear elevational view showing a state in which the suture bottom thread is guided to the suture bottom line capturing portion side by the branching guide portion.
第6A及6B圖為用來說明切線裝置的動作的圖，第6A圖 表示彎針向前進位置移動，捕捉到面線的狀態；第6B圖表示可動刀片向前進位置移動，剛剛將縫合底線引導到縫合底線捕捉部一側之後的狀態。6A and 6B are diagrams for explaining the operation of the thread cutting device, Fig. 6A The looper is moved to the forward position to capture the state of the upper thread, and FIG. 6B is a state in which the movable blade is moved to the advanced position and the suture bottom line is just guided to the side of the suture bottom capture portion.
第7A及7B圖為用來說明切線裝置的動作的圖，第7A圖表示向前進位置移動了的可動刀片的縫合底線捕捉部捕捉到縫合底線的狀態，第7B圖表示可動刀片向後退方向移動，將縫合底線和各面線一起拉向退避位置的即將剪切前的狀態。7A and 7B are views for explaining the operation of the thread cutting device, and Fig. 7A shows a state in which the suture bottom line capturing portion of the movable blade that has moved to the advanced position captures the sewing thread, and Fig. 7B shows the movable blade moves in the backward direction. The state in which the suture bottom line and each upper thread are pulled together toward the retracted position immediately before the cutting.
第8A及8B圖為用來說明切線裝置的動作的圖，第8A圖表示縫合底線和各面線被剪斷的狀態，第8B圖表示剪斷後的各面線被拉到被縫製物上的狀態。8A and 8B are views for explaining the operation of the thread cutting device, FIG. 8A shows a state in which the sewing bottom thread and each upper thread are cut, and FIG. 8B shows that each of the upper thread after the cutting is pulled onto the object to be sewn. status.
第9圖為表示本發明的其他實施方式的縫紉機切線裝置所使用的可動刀片的一部分的透視圖。Fig. 9 is a perspective view showing a part of a movable blade used in a sewing machine thread cutting device according to another embodiment of the present invention.
第10圖為用來說明縫合底線被分線引導部引導到縫合底線捕捉部的狀態的後視圖。Fig. 10 is a rear elevational view for explaining a state in which the suture bottom line is guided to the suture bottom line catching portion by the branch guide portion.
第11圖為表示本發明的另外的其他實施方式的縫紉機切線裝置所使用的可動刀片的一部分的透視圖。Fig. 11 is a perspective view showing a part of a movable blade used in a sewing machine thread cutting device according to still another embodiment of the present invention.
第12圖為用來說明縫合底線被可動刀片的分線引導部引導的動作的後視圖。Fig. 12 is a rear elevational view for explaining an operation of guiding the sewing thread to be guided by the branching guide of the movable blade.
第13圖為表示現有技術的縫紉機切線裝置的一部分的透視圖。Figure 13 is a perspective view showing a portion of a prior art sewing machine tangential device.
20‧‧‧縫紉機切線裝置20‧‧‧Sewing machine thread cutting device
21‧‧‧挺針板21‧‧‧Pin needle board
22、23‧‧‧落針孔22, 23‧‧‧ pinhole
25‧‧‧頂端25‧‧‧Top
26‧‧‧縫合底線捕捉部26‧‧‧Sewing bottom line capture department
27‧‧‧面線捕捉部27‧‧‧Face line capture department
28‧‧‧彎針28‧‧‧bend needle
30‧‧‧可動刀片30‧‧‧ movable blade
31‧‧‧固定刀片31‧‧‧Fixed blades
32‧‧‧分線引導部32‧‧‧Distribution Guide
36‧‧‧壓線彈簧36‧‧‧pressure spring
A1、A2‧‧‧箭頭A1, A2‧‧‧ arrows
B‧‧‧進給方向B‧‧‧Feed direction
T1‧‧‧縫合底線T1‧‧‧ stitching bottom line
T2、T3‧‧‧各面線T2, T3‧‧‧
T1a、T2a、T2b、T3a、T3b‧‧‧各張掛部分T1a, T2a, T2b, T3a, T3b‧‧‧ each hanging part
Claims (3)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007270717A JP5557126B2 (en) | 2007-10-17 | 2007-10-17 | Sewing machine thread trimmer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200938682A TW200938682A (en) | 2009-09-16 |
| TWI391547B true TWI391547B (en) | 2013-04-01 |
Family
ID=40593913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097139177A TWI391547B (en) | 2007-10-17 | 2008-10-13 | Sewing machine tangent device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5557126B2 (en) |
| KR (1) | KR20090039622A (en) |
| CN (1) | CN101413190B (en) |
| TW (1) | TWI391547B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI565848B (en) * | 2014-10-23 | 2017-01-11 | Shing Ray Sewing Machine Co Ltd | Sewing machine 's thread cutter and tangent method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5777035B2 (en) * | 2013-08-08 | 2015-09-09 | ヤマトミシン製造株式会社 | Thread trimming device and thread trimming method for double chain stitch sewing machine |
| CN104727036A (en) * | 2015-03-06 | 2015-06-24 | 星锐缝纫机(嘉兴)有限公司 | Thread poking cutter of sewing machine and thread cutting method of cutter |
| JP6395136B2 (en) * | 2015-05-08 | 2018-10-03 | ヤマトミシン製造株式会社 | Thread trimmer for double chain stitch machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200639289A (en) * | 2005-04-14 | 2006-11-16 | Yamato Sewing Machine Mfg | Seam ravel preventing apparatus and ravel preventing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3667440B2 (en) * | 1996-05-11 | 2005-07-06 | ジューキ株式会社 | Sewing machine thread trimmer |
| US5870962A (en) * | 1997-11-12 | 1999-02-16 | Ku; Fei-Lung | Thread cutting device for a sewing machine of chain sewing |
| JP4645886B2 (en) * | 2004-09-07 | 2011-03-09 | ヤマトミシン製造株式会社 | Sewing machine with thread trimmer |
| CN1811039A (en) * | 2005-01-27 | 2006-08-02 | 重机公司 | Apparatus for severing thread |
| JP5095101B2 (en) * | 2005-12-16 | 2012-12-12 | Ｊｕｋｉ株式会社 | Sewing machine thread trimmer |
-
2007
- 2007-10-17 JP JP2007270717A patent/JP5557126B2/en not_active Expired - Fee Related
-
2008
- 2008-10-13 TW TW097139177A patent/TWI391547B/en not_active IP Right Cessation
- 2008-10-15 KR KR1020080101037A patent/KR20090039622A/en not_active Application Discontinuation
- 2008-10-17 CN CN2008101667125A patent/CN101413190B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200639289A (en) * | 2005-04-14 | 2006-11-16 | Yamato Sewing Machine Mfg | Seam ravel preventing apparatus and ravel preventing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI565848B (en) * | 2014-10-23 | 2017-01-11 | Shing Ray Sewing Machine Co Ltd | Sewing machine 's thread cutter and tangent method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009095501A (en) | 2009-05-07 |
| TW200938682A (en) | 2009-09-16 |
| CN101413190B (en) | 2012-08-22 |
| KR20090039622A (en) | 2009-04-22 |
| CN101413190A (en) | 2009-04-22 |
| JP5557126B2 (en) | 2014-07-23 |
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| MM4A | Annulment or lapse of patent due to non-payment of fees |