JPH0519765Y2 - - Google Patents
Info
- Publication number
- JPH0519765Y2 JPH0519765Y2 JP7772287U JP7772287U JPH0519765Y2 JP H0519765 Y2 JPH0519765 Y2 JP H0519765Y2 JP 7772287 U JP7772287 U JP 7772287U JP 7772287 U JP7772287 U JP 7772287U JP H0519765 Y2 JPH0519765 Y2 JP H0519765Y2
- Authority
- JP
- Japan
- Prior art keywords
- rope
- winding drum
- roller
- pulley
- movement amount
- 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.)
- Expired - Lifetime
Links
- 238000004804 winding Methods 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 13
- 238000009412 basement excavation Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7772287U JPH0519765Y2 (enrdf_load_html_response) | 1987-05-22 | 1987-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7772287U JPH0519765Y2 (enrdf_load_html_response) | 1987-05-22 | 1987-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63185516U JPS63185516U (enrdf_load_html_response) | 1988-11-29 |
| JPH0519765Y2 true JPH0519765Y2 (enrdf_load_html_response) | 1993-05-25 |
Family
ID=30925996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7772287U Expired - Lifetime JPH0519765Y2 (enrdf_load_html_response) | 1987-05-22 | 1987-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0519765Y2 (enrdf_load_html_response) |
-
1987
- 1987-05-22 JP JP7772287U patent/JPH0519765Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63185516U (enrdf_load_html_response) | 1988-11-29 |
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