JPS62184882U - - Google Patents
Info
- Publication number
- JPS62184882U JPS62184882U JP7413186U JP7413186U JPS62184882U JP S62184882 U JPS62184882 U JP S62184882U JP 7413186 U JP7413186 U JP 7413186U JP 7413186 U JP7413186 U JP 7413186U JP S62184882 U JPS62184882 U JP S62184882U
- Authority
- JP
- Japan
- Prior art keywords
- thread
- inner hook
- hook
- cut
- rotation prevention
- 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
- 238000005520 cutting process Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 4
- 238000009958 sewing Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第１図は本考案の一実施例の正面図、第２図は
第１図の矢符Ａ側から見た平面図、第３図は第２
図の矢符Ｂ側から見た側面図、第４図はアーム３
０付近の斜視図、第５図は可動刃４３およびこれ
に関連した部分の断面図、第６図はミシン頭部付
近の一部切欠き断面図、第７図は糸切り動作の手
順を示すフローチヤート、第８図は可動刃４３の
糸切断動作を説明するための図、第９図は第８図
４の状態を示す図、第１０図はアーム３０の嵌合
突起３７ａ，３７ｂが嵌合孔２８，２９から離反
している状態を示す側面図、第１１図は本考案の
他の実施例の側面図である。
２０……全回転かま、２１……外かま、２３…
…内かま、２４……内かま回り止め部材、２６…
…回り止め用凹所、２８，２９……嵌合孔、３０
……アーム、３４……コイルばね、３５……軸、
３７ａ，３７ｂ……嵌合突起、４０……針板、４
１……糸切断手段、４２……固定刃、４３……可
動刃、６１……切断用糸収納穴、６５ａ……布側
上糸、６５ｂ……針側上糸、６６……下糸、ＳＬ
１，ＳＬ２，ＳＬ３……ソレノイド。
Fig. 1 is a front view of one embodiment of the present invention, Fig. 2 is a plan view seen from the arrow A side in Fig. 1, and Fig. 3 is a front view of an embodiment of the present invention.
A side view seen from the arrow B side in the figure, Figure 4 shows arm 3.
5 is a sectional view of the movable blade 43 and related parts, FIG. 6 is a partially cutaway sectional view of the vicinity of the sewing machine head, and FIG. 7 is a thread cutting operation procedure. Flow chart, FIG. 8 is a diagram for explaining the thread cutting operation of the movable blade 43, FIG. 9 is a diagram showing the state of FIG. 8, FIG. FIG. 11 is a side view showing a state away from the matching holes 28 and 29, and FIG. 11 is a side view of another embodiment of the present invention. 20... Full rotation hook, 21... Outer hook, 23...
...Inner hook, 24...Inner hook rotation prevention member, 26...
... Detent recess, 28, 29... Fitting hole, 30
...Arm, 34...Coil spring, 35...Axis,
37a, 37b... Fitting protrusion, 40... Throat plate, 4
1... Thread cutting means, 42... Fixed blade, 43... Movable blade, 61... Thread storage hole for cutting, 65a... Needle thread on the fabric side, 65b... Needle thread on the needle side, 66... Lower thread, SL
1, SL2, SL3... Solenoid.
Claims (1)
一対の嵌合孔が形成される内かまと、 内かまの前記凹所に嵌まり込み、内かまの回転
を阻止する内かま回り止め部材と、 内かま回り止め部材に設けられ、外かまの回転
軸に直角な軸線回りに角変位可能であり、かつ糸
切断時に内かまの前記嵌合孔に嵌合する嵌合突起
部を有するアームと、 糸切断前に下糸を捕捉し、かつ糸切断後もひき
つづき下糸の捕捉状態を維持するための糸収納穴
を有する下糸捕捉板と、 前記アームを駆動する駆動手段と、 外かまと針板との間に配置され、切断時に縫い
針が上下に駆動してアームを介して上糸ループが
形成され、このような状態で布側上糸および下糸
を切断する手段とを含むことを特徴とするミシン
の糸切り装置。[Scope of Claim for Utility Model Registration] An inner hook that is housed in the outer hook and has a pair of fitting holes formed across the rotation prevention recess, which fits into the recess of the inner hook and prevents rotation of the inner hook. an inner hook rotation prevention member, which is provided on the inner hook rotation prevention member, is movable angularly around an axis perpendicular to the rotational axis of the outer hook, and is fitted into the fitting hole of the inner hook when thread is cut; a lower thread catching plate having a thread storage hole for catching the bobbin thread before the thread is cut and continuously maintaining the bobbin thread catching state even after the thread is cut; A driving means is arranged between the outer hook and the throat plate, and when cutting, the sewing needle is driven up and down to form an upper thread loop through the arm, and in this state, the upper thread and lower thread on the fabric side are A thread cutting device for a sewing machine, comprising means for cutting thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7413186U JPH0214776Y2 (en) | 1986-05-17 | 1986-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7413186U JPH0214776Y2 (en) | 1986-05-17 | 1986-05-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62184882U true JPS62184882U (en) | 1987-11-24 |
| JPH0214776Y2 JPH0214776Y2 (en) | 1990-04-20 |
Family
ID=30919072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7413186U Expired JPH0214776Y2 (en) | 1986-05-17 | 1986-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0214776Y2 (en) |
-
1986
- 1986-05-17 JP JP7413186U patent/JPH0214776Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0214776Y2 (en) | 1990-04-20 |
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