JPS6339383U - - Google Patents
Info
- Publication number
- JPS6339383U JPS6339383U JP13284186U JP13284186U JPS6339383U JP S6339383 U JPS6339383 U JP S6339383U JP 13284186 U JP13284186 U JP 13284186U JP 13284186 U JP13284186 U JP 13284186U JP S6339383 U JPS6339383 U JP S6339383U
- Authority
- JP
- Japan
- Prior art keywords
- bobbin thread
- fabric
- bobbin
- sewing machine
- cutting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004744 fabric Substances 0.000 claims description 9
- 238000009958 sewing Methods 0.000 claims description 6
- 238000009964 serging Methods 0.000 claims 1
Description
第１図はこの考案の一実施例に適用されるボタ
ン孔かがりミシンの布搬送機構を示す斜視図、第
２図は第１図に示した布送り下腕とその周辺構成
を示す平面図、第３図はこの考案の一実施例にお
ける針板の下面部分の構成を示す平面図、第４図
は第３図に示した下糸受け先端の構成を示す側面
図、第５図は、第３図に示したものの正面図、第
６図はボタン孔かがりミシンによる形成される縫
目の裏面形状を示す拡大説明底面図、第７図は従
来のボタン孔かがりミシンの下糸切断装置の全体
的構成を示す斜視図、第８図は従来のミシンの下
糸切断装置における針板の下面部の構成を示す平
面図である。
４……針板、６……下糸切メス、９……弾性部
材としての下糸受け、２１……棒体、ＣＲ……布
搬送機構、Ｏ……ボタン孔、Ｙ１……上糸、Ｙ２
……下糸。
FIG. 1 is a perspective view showing a cloth conveyance mechanism of a buttonhole sewing machine applied to an embodiment of this invention, FIG. 2 is a plan view showing the cloth feed lower arm shown in FIG. 1 and its surrounding structure, FIG. 3 is a plan view showing the structure of the lower surface portion of the throat plate in an embodiment of the invention, FIG. 4 is a side view showing the structure of the tip of the bobbin thread receiver shown in FIG. 3, and FIG. 3 is a front view of the device shown in FIG. 3, FIG. 6 is an enlarged explanatory bottom view showing the shape of the back side of the stitches formed by the buttonhole sewing machine, and FIG. 7 is the entire bobbin thread cutting device of a conventional buttonhole sewing machine. FIG. 8 is a plan view showing the structure of the lower surface of the throat plate in a conventional lower thread cutting device of a sewing machine. 4... Throat plate, 6... Lower thread cutting knife, 9... Lower thread receiver as an elastic member, 21... Rod body, CR... Cloth conveyance mechanism, O... Button hole, Y 1 ... Needle thread , Y 2
...Bobbin thread.
Claims (1)
れたボタン孔の両側に沿つて行なわれるかがり縫
い動作終了後、針板の下面に縫目裏面に接続され
ているボビンからの下糸をメスを移動させて切断
すると共に、切断された下糸端部を弾性部材によ
り挾持するようにしたボタン孔かがりミシンの下
糸切断装置であつて、前記布搬送機構に固着され
布と共に移動する棒体により布が所定位置に達し
た時点で前記弾性部材を下糸から離開させ、下糸
の挾持状態を解除するようにしたことを特徴とす
るボタン孔かがりミシンの下糸切断装置。 The fabric is conveyed by the fabric conveyance mechanism, and after the overlocking operation, which is performed along both sides of the buttonhole formed in the fabric, is completed, the bobbin thread from the bobbin connected to the back of the stitch is placed on the bottom of the throat plate. A bobbin thread cutting device for a buttonhole sewing machine is configured to move and cut the bobbin thread and hold the cut bobbin thread end with an elastic member, the rod being fixed to the fabric conveying mechanism and moving together with the fabric. A bobbin thread cutting device for a buttonhole sewing machine, characterized in that when the fabric reaches a predetermined position, the elastic member is separated from the bobbin thread to release the bobbin thread from being clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13284186U JPS6339383U (en) | 1986-08-29 | 1986-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13284186U JPS6339383U (en) | 1986-08-29 | 1986-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6339383U true JPS6339383U (en) | 1988-03-14 |
Family
ID=31032599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13284186U Pending JPS6339383U (en) | 1986-08-29 | 1986-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6339383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61113932U (en) * | 1984-12-26 | 1986-07-18 | ||
| JP2001062180A (en) * | 1999-08-16 | 2001-03-13 | Duerkopp Adler Ag | Lock stitch sewing machine provided with thread nipper assembly |
-
1986
- 1986-08-29 JP JP13284186U patent/JPS6339383U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61113932U (en) * | 1984-12-26 | 1986-07-18 | ||
| JP2001062180A (en) * | 1999-08-16 | 2001-03-13 | Duerkopp Adler Ag | Lock stitch sewing machine provided with thread nipper assembly |
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