JPS6431294U - - Google Patents
Info
- Publication number
- JPS6431294U JPS6431294U JP12615087U JP12615087U JPS6431294U JP S6431294 U JPS6431294 U JP S6431294U JP 12615087 U JP12615087 U JP 12615087U JP 12615087 U JP12615087 U JP 12615087U JP S6431294 U JPS6431294 U JP S6431294U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light receiving
- detectable state
- state setting
- blocked
- 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
- 230000005856 abnormality Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Presses And Accessory Devices Thereof (AREA)
- Control Of Presses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987126150U JPH0544637Y2 (ko) | 1987-08-19 | 1987-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987126150U JPH0544637Y2 (ko) | 1987-08-19 | 1987-08-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6431294U true JPS6431294U (ko) | 1989-02-27 |
| JPH0544637Y2 JPH0544637Y2 (ko) | 1993-11-12 |
Family
ID=31377402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987126150U Expired - Lifetime JPH0544637Y2 (ko) | 1987-08-19 | 1987-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544637Y2 (ko) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5270486A (en) * | 1975-12-10 | 1977-06-11 | Raisaburou Jitsui | Safety device for machine tool |
| JPS5414079A (en) * | 1977-07-04 | 1979-02-01 | Komatsu Ltd | Trouble detector for light-ray type safety device |
-
1987
- 1987-08-19 JP JP1987126150U patent/JPH0544637Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5270486A (en) * | 1975-12-10 | 1977-06-11 | Raisaburou Jitsui | Safety device for machine tool |
| JPS5414079A (en) * | 1977-07-04 | 1979-02-01 | Komatsu Ltd | Trouble detector for light-ray type safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0544637Y2 (ko) | 1993-11-12 |