JPS63107690U - - Google Patents
Info
- Publication number
- JPS63107690U JPS63107690U JP19549687U JP19549687U JPS63107690U JP S63107690 U JPS63107690 U JP S63107690U JP 19549687 U JP19549687 U JP 19549687U JP 19549687 U JP19549687 U JP 19549687U JP S63107690 U JPS63107690 U JP S63107690U
- Authority
- JP
- Japan
- Prior art keywords
- sewing machine
- signal
- separately
- abnormal
- pedal
- 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.)
- Pending
Links
- 238000009958 sewing Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Sewing Machines And Sewing (AREA)
Description
第１図は本実施例のミシンのブロツク図、第２
図は本実施例の電気回路、第３図はタイムチヤー
トである。
Figure 1 is a block diagram of the sewing machine of this embodiment, Figure 2 is a block diagram of the sewing machine of this embodiment.
The figure shows the electric circuit of this embodiment, and FIG. 3 is a time chart.
Claims (1)
別に検知することに関連して両位置信号を各別に
発生する位置検出手段６，Ｐ１，Ｐ２と、 ペダルの所定操作及び上位置信号またはペダル
の所定操作及び下位置信号に関連して電気的に作
用しミシンの複数の所定部材を各別に移動する複
数の作動手段とを有するミシンにおいて、 両位置信号が交互に発生する正常状態及び両位
置信号が同時に発生する異常状態とを判別し異常
状態に関連して異常信号を発生する判別回路Ｇ６
，Ｇ９，Ｆ８と、 異常信号に関連してミシンを停止または位置検
出手段を無効にする制御回路、とを備えたミシン
の異常検知装置。[Claims for Utility Model Registration] Position detecting means 6, P 1 , P 2 that separately generate both position signals in connection with separately detecting predetermined rotation angles of the main shaft corresponding to the up and down positions of the needle; In a sewing machine having a plurality of operating means that act electrically in relation to a predetermined operation of the pedal and an upper position signal or a predetermined operation of the pedal and a lower position signal and move a plurality of predetermined members of the sewing machine separately, Discrimination circuit G6 that discriminates between a normal state in which position signals occur alternately and an abnormal state in which both position signals occur simultaneously, and generates an abnormal signal in relation to the abnormal state.
, G 9 , F 8 and a control circuit for stopping the sewing machine or disabling position detection means in response to an abnormal signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19549687U JPS63107690U (en) | 1987-12-23 | 1987-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19549687U JPS63107690U (en) | 1987-12-23 | 1987-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63107690U true JPS63107690U (en) | 1988-07-11 |
Family
ID=31153439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19549687U Pending JPS63107690U (en) | 1987-12-23 | 1987-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63107690U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5451660A (en) * | 1977-09-30 | 1979-04-23 | Hitachi Ltd | Safety device for electric sewing machine |
-
1987
- 1987-12-23 JP JP19549687U patent/JPS63107690U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5451660A (en) * | 1977-09-30 | 1979-04-23 | Hitachi Ltd | Safety device for electric sewing machine |
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