JPS6094188U - Needle thread feeding device for sewing machine - Google Patents
Needle thread feeding device for sewing machineInfo
- Publication number
- JPS6094188U JPS6094188U JP18622883U JP18622883U JPS6094188U JP S6094188 U JPS6094188 U JP S6094188U JP 18622883 U JP18622883 U JP 18622883U JP 18622883 U JP18622883 U JP 18622883U JP S6094188 U JPS6094188 U JP S6094188U
- Authority
- JP
- Japan
- Prior art keywords
- presser foot
- tension
- sewing machine
- needle thread
- feeding 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.)
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は要部の正面図、第２図は電気回路のブロック図
、第３図は設定装置の詳細を示したブロック図、第４図
はタイムチャートである。
１・・・ミシン、１３・・・ステッピングモータ（駆動
装置）、１４．１７・・・ローラ（繰出し体）、２１・
・・張力検出装置、２４・・・押え上昇スイッチ。
−
？＝昼：９FIG. 1 is a front view of the main parts, FIG. 2 is a block diagram of the electric circuit, FIG. 3 is a block diagram showing details of the setting device, and FIG. 4 is a time chart. DESCRIPTION OF SYMBOLS 1... Sewing machine, 13... Stepping motor (drive device), 14.17... Roller (feeding body), 21...
...Tension detection device, 24...Presser foot lift switch. −? = Noon: 9
Claims (1)
に機枠に回転可能に支持した繰出し体と、 ベッド上面に布を押圧・解放するよう上下に移動操作可
能とした布押え足と、 布押え足の特定位置への上昇を検出して上位置信号を発
生する押え上昇スイッチと、 上糸経路上に配置し上糸の張力を検出して緊張信号を発
生する張力検出スイッチと、 上位置信号及び緊張信号の発生に関連して繰出し体を回
転制御する駆動装置、 とを備えたミシンの上糸繰出し装置。[Scope of claim for utility model registration] A feeding body rotatably supported on the machine frame so as to engage the needle thread between the needle and the bobbin spool and feed the needle thread from the bobbin spool; A presser foot that can be moved up and down, a presser foot lift switch that detects the rise of the presser foot to a specific position and generates an upper position signal, and a presser foot lift switch that is placed on the upper thread path to detect the tension of the upper thread. An upper thread feeding device for a sewing machine, comprising: a tension detection switch that generates a tension signal based on the upper position signal; and a drive device that rotationally controls a feeding body in relation to the generation of the upper position signal and the tension signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18622883U JPS6094188U (en) | 1983-11-30 | 1983-11-30 | Needle thread feeding device for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18622883U JPS6094188U (en) | 1983-11-30 | 1983-11-30 | Needle thread feeding device for sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6094188U true JPS6094188U (en) | 1985-06-27 |
| JPH0346713Y2 JPH0346713Y2 (en) | 1991-10-02 |
Family
ID=30402299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18622883U Granted JPS6094188U (en) | 1983-11-30 | 1983-11-30 | Needle thread feeding device for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6094188U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0623179A (en) * | 1991-09-21 | 1994-02-01 | Juki Corp | Upper thread feeding device |
-
1983
- 1983-11-30 JP JP18622883U patent/JPS6094188U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0623179A (en) * | 1991-09-21 | 1994-02-01 | Juki Corp | Upper thread feeding device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0346713Y2 (en) | 1991-10-02 |
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