JPH01108847U - - Google Patents
Info
- Publication number
- JPH01108847U JPH01108847U JP397088U JP397088U JPH01108847U JP H01108847 U JPH01108847 U JP H01108847U JP 397088 U JP397088 U JP 397088U JP 397088 U JP397088 U JP 397088U JP H01108847 U JPH01108847 U JP H01108847U
- Authority
- JP
- Japan
- Prior art keywords
- proximity sensor
- circumference
- indicator
- lower traveling
- traveling 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Control And Safety Of Cranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP397088U JPH01108847U (en]) | 1988-01-16 | 1988-01-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP397088U JPH01108847U (en]) | 1988-01-16 | 1988-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01108847U true JPH01108847U (en]) | 1989-07-24 |
Family
ID=31206072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP397088U Pending JPH01108847U (en]) | 1988-01-16 | 1988-01-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01108847U (en]) |
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1988
- 1988-01-16 JP JP397088U patent/JPH01108847U/ja active Pending