JPS6171082U - - Google Patents
Info
- Publication number
- JPS6171082U JPS6171082U JP15659684U JP15659684U JPS6171082U JP S6171082 U JPS6171082 U JP S6171082U JP 15659684 U JP15659684 U JP 15659684U JP 15659684 U JP15659684 U JP 15659684U JP S6171082 U JPS6171082 U JP S6171082U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- thread trimming
- thread
- sewing machine
- driven body
- 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
- 238000009966 trimming Methods 0.000 claims description 7
- 238000009958 sewing Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第１図は本考案糸切装置を備えたミシンベツド
を下方からみた説明図、第２図は第１図の要部断
面平面図、第３図は従動体と係合体の構成作動説
明断面図、第４図は第３図の外観斜視図、第５図
は糸捕捉体、釜および固定刃の説明平面図、第６
図は第５図の要部断面図、第７図は糸捕捉体の部
分拡大説明図、第８図は縫糸の切断説明図ならび
に第９図はカム溝の作用説明図である。
１……ベツド、２……下軸、３……糸切カム、
４……カラ溝、５……離脱カム、６……電磁石、
８……クランク、２０……従動体つ、２５……係
合体、２７……コロ、２９，３０……リンクボー
ル継手、４５……釜、４９……糸捕捉体、５７…
…固定刃。
Fig. 1 is an explanatory diagram of a sewing machine bed equipped with the thread cutting device of the present invention seen from below, Fig. 2 is a cross-sectional plan view of the main part of Fig. 1, and Fig. 3 is a cross-sectional view illustrating the structure and operation of the driven body and the engaging body. Fig. 4 is an external perspective view of Fig. 3, Fig. 5 is an explanatory plan view of the thread catcher, shuttle and fixed blade, and Fig. 6
The drawings are a sectional view of a main part of FIG. 5, FIG. 7 is a partially enlarged explanatory view of the thread catcher, FIG. 8 is an explanatory view of cutting the sewing thread, and FIG. 9 is an explanatory view of the function of the cam groove. 1...Bed, 2...Lower shaft, 3...Thread trimming cam,
4... Collar groove, 5... Separation cam, 6... Electromagnet,
8... Crank, 20... Driven body, 25... Engaging body, 27... Roller, 29, 30... Link ball joint, 45... Hook, 49... Thread catcher, 57...
...Fixed blade.
Claims (1)
切カムと、ミシン機枠の固定軸線を中心に回動可
能に支持される従動体と、糸切信号により前記従
動体の係合体を前記糸切カムのカム溝に係合せし
める動力装置と、前記糸切カムの回動に伴なう前
記従動体の往復回動と連動して糸を捕捉し引き出
し切断する糸切機構を備えたミシンにおいて、前
記糸切カムのカム溝に離脱カム部を設け、糸切り
完了時、前記係合体が前記離脱カム部に乗り上げ
て前記カム溝から離脱するようにしてなる、ミシ
ンの糸切装置。 A thread trimming cam fixed to a shaft that rotates in synchronization with the main shaft of the sewing machine, a driven body rotatably supported around a fixed axis of the sewing machine frame, and a thread trimming signal causes an engaging body of the driven body to A sewing machine equipped with a power device that engages with a cam groove of a cutting cam, and a thread trimming mechanism that captures, pulls out and cuts thread in conjunction with the reciprocating rotation of the driven body as the thread trimming cam rotates. A thread cutting device for a sewing machine, wherein a separation cam portion is provided in a cam groove of the thread trimming cam, and when thread trimming is completed, the engaging body rides on the separation cam portion and separates from the cam groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15659684U JPH0117271Y2 (en) | 1984-10-16 | 1984-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15659684U JPH0117271Y2 (en) | 1984-10-16 | 1984-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6171082U true JPS6171082U (en) | 1986-05-15 |
| JPH0117271Y2 JPH0117271Y2 (en) | 1989-05-19 |
Family
ID=30714601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15659684U Expired JPH0117271Y2 (en) | 1984-10-16 | 1984-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0117271Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010214101A (en) * | 2009-03-12 | 2010-09-30 | Chee Siang Industrial Co Ltd | Automatic thread cutter of sewing machine |
-
1984
- 1984-10-16 JP JP15659684U patent/JPH0117271Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010214101A (en) * | 2009-03-12 | 2010-09-30 | Chee Siang Industrial Co Ltd | Automatic thread cutter of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0117271Y2 (en) | 1989-05-19 |
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