JPS6154776U - - Google Patents
Info
- Publication number
- JPS6154776U JPS6154776U JP14073984U JP14073984U JPS6154776U JP S6154776 U JPS6154776 U JP S6154776U JP 14073984 U JP14073984 U JP 14073984U JP 14073984 U JP14073984 U JP 14073984U JP S6154776 U JPS6154776 U JP S6154776U
- Authority
- JP
- Japan
- Prior art keywords
- movable blade
- blade
- sewing machine
- cutting device
- workpiece
- 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
- 238000009958 sewing Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims 2
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第１図はこの考案を具体化した糸切断装置を示
す針板の端部裏面図、第２図は同端面図、第３図
は上記糸切断装置を組込んだミシンの下部断面側
面図、第４図は針板、ベツド部を破断して示す平
面図である。
符号の説明、５……被縫製物支持面（針板）、
２４……カツター、２５……固定刃、２７……可
動刃、３０……バネ。
Fig. 1 is a rear view of the end of the throat plate showing a thread cutting device embodying this invention, Fig. 2 is an end view of the same, and Fig. 3 is a sectional side view of the lower part of a sewing machine incorporating the thread cutting device. FIG. 4 is a cutaway plan view showing the throat plate and bed portion. Explanation of symbols, 5...Sewn object support surface (throat plate),
24... cutter, 25... fixed blade, 27... movable blade, 30... spring.
Claims (1)
、縫目形成装置により形成される糸のチエーンを
挾み切る一対の可動刃と固定刃からなるカツター
を配置したミシンにおいて、前記可動刃が固定刃
と接近および重なつた位置においてのみその可動
刃を動作方向と直交する方向に固定刃へ向かつて
押圧するようにバネ手段を可動刃と対向配置し、
その他の位置ではバネ手段による可動刃の押圧を
解除することを特徴とする糸切断装置。 ２ 前記固定刃は、被縫製物支持面の端を字状
に切欠きその切欠きの一辺を利用して構成する実
用新案登録請求の範囲第１項に記載のミシンの糸
切断装置。 ３ 前記バネ手段は、可動刃が固定刃と接近およ
び重なつた位置においてのみ可動刃と自由端が対
向する板もしくは線状のバネである実用新案登録
請求の範囲第１項または第２項に記載のミシンの
糸切断装置。 ４ 前記可動刃は、被縫製物の送り歯の往復運動
に連動して動作される実用新案登録請求の範囲第
１項、第２項または第３項に記載のミシンの糸切
断装置。[Scope of Claim for Utility Model Registration] 1. A cutter consisting of a pair of movable blades and a fixed blade for pinching off the thread chain formed by the seam forming device is provided at the end of the workpiece support surface on the workpiece delivery side. In the installed sewing machine, a spring means is arranged opposite to the movable blade so as to push the movable blade toward the fixed blade in a direction perpendicular to the direction of operation only at a position where the movable blade approaches and overlaps the fixed blade;
A thread cutting device characterized in that the pressure on the movable blade by a spring means is released in other positions. 2. The thread cutting device for a sewing machine according to claim 1, wherein the fixed blade is constructed by cutting out the end of the support surface of the workpiece in a letter shape and utilizing one side of the notch. 3. The spring means is a plate or linear spring whose free end faces the movable blade only in a position where the movable blade approaches and overlaps the fixed blade. Thread cutting device for the sewing machine described. 4. The thread cutting device for a sewing machine according to claim 1, 2 or 3, wherein the movable blade is operated in conjunction with the reciprocating movement of a feed dog of the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14073984U JPH02135Y2 (en) | 1984-09-17 | 1984-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14073984U JPH02135Y2 (en) | 1984-09-17 | 1984-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6154776U true JPS6154776U (en) | 1986-04-12 |
| JPH02135Y2 JPH02135Y2 (en) | 1990-01-05 |
Family
ID=30699090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14073984U Expired JPH02135Y2 (en) | 1984-09-17 | 1984-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007159973A (en) * | 2005-12-16 | 2007-06-28 | Juki Corp | Thread cutter of sewing machine |
-
1984
- 1984-09-17 JP JP14073984U patent/JPH02135Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007159973A (en) * | 2005-12-16 | 2007-06-28 | Juki Corp | Thread cutter of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02135Y2 (en) | 1990-01-05 |