JPS60140581U - Sewing machine thread cutting mechanism - Google Patents
Sewing machine thread cutting mechanismInfo
- Publication number
- JPS60140581U JPS60140581U JP2982784U JP2982784U JPS60140581U JP S60140581 U JPS60140581 U JP S60140581U JP 2982784 U JP2982784 U JP 2982784U JP 2982784 U JP2982784 U JP 2982784U JP S60140581 U JPS60140581 U JP S60140581U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- thread
- needle
- sewing machine
- connecting rod
- 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.)
- Granted
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の糸切り機構を針板下面から見た裏面図、
第２図は第１図の糸切断部の断面図、第３図は従来技術
の他側で第２図と同じ部分の断面図、第４図は本案の針
板下面から見た裏面図、第５図Ａ、 Ｂ、 Ｃは機構の
作動を順次に示す作動図で、ａ、 ｂ、 ｃはそれぞれ
Ａ、 Ｂ、 Ｃ図に対応する刃部の略断面図である。Figure 1 is a back view of the conventional thread trimming mechanism as seen from the bottom of the throat plate.
FIG. 2 is a sectional view of the thread cutting part in FIG. 1, FIG. 3 is a sectional view of the same part as FIG. 2 on the other side of the prior art, and FIG. FIGS. 5A, B, and C are operation diagrams sequentially showing the operation of the mechanism, and FIGS. 5A, B, and C are schematic cross-sectional views of the blade portion corresponding to FIGS. A, B, and C, respectively.
Claims (1)
て往復動する連結棒と、 刃部をもち連結棒に連動し針板下面において垂直軸を中
心に往復動しその往復時に針糸ループをさばき、復動時
に針糸ループの一方と下糸とを捕捉する動メスと、 動メスの刃部に対向する刃部とカム溝とを形成し、針板
下面において垂直軸を中心に回動可能とした回動メスと
、 回動メスのカム溝に遊嵌する駆動ピンを支持し、連結棒
の往動時には回動メスの刃部を針板の針孔から離し、復
動時にはその刃部を針孔に接近させて動メスの刃部と共
同して糸を切断させる回 。 動リンクと を備えたミシンの糸切り機構。[Scope of Claim for Utility Model Registration] A connecting rod that is synchronized with the sewing machine and moves reciprocally in relation to the vertical movement of the final needle at the end of sewing, and a blade that moves in conjunction with the connecting rod and rotates a vertical axis on the lower surface of the throat plate. A movable knife that reciprocates in the center, separates the needle thread loop during the reciprocating motion, and captures one of the needle thread loops and the bobbin thread during the return motion, and a blade portion and a cam groove that oppose the blade portion of the movable knife are formed. , supports a rotating knife that can rotate around a vertical axis on the lower surface of the throat plate, and a drive pin that loosely fits into the cam groove of the rotating knife, and when the connecting rod moves forward, the blade of the rotating knife is The blade is moved away from the needle hole in the plate, and during the return motion, the blade approaches the needle hole and works together with the blade of the moving scalpel to cut the thread. A sewing machine thread trimming mechanism equipped with a dynamic link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2982784U JPS60140581U (en) | 1984-02-29 | 1984-02-29 | Sewing machine thread cutting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2982784U JPS60140581U (en) | 1984-02-29 | 1984-02-29 | Sewing machine thread cutting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60140581U true JPS60140581U (en) | 1985-09-18 |
| JPS6140296Y2 JPS6140296Y2 (en) | 1986-11-18 |
Family
ID=30528982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2982784U Granted JPS60140581U (en) | 1984-02-29 | 1984-02-29 | Sewing machine thread cutting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60140581U (en) |
-
1984
- 1984-02-29 JP JP2982784U patent/JPS60140581U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6140296Y2 (en) | 1986-11-18 |
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