JPS61145778U - - Google Patents
Info
- Publication number
- JPS61145778U JPS61145778U JP2907485U JP2907485U JPS61145778U JP S61145778 U JPS61145778 U JP S61145778U JP 2907485 U JP2907485 U JP 2907485U JP 2907485 U JP2907485 U JP 2907485U JP S61145778 U JPS61145778 U JP S61145778U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- amount
- detection roller
- detected
- directly below
- 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
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Jib Cranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2907485U JPS61145778U (enExample) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2907485U JPS61145778U (enExample) | 1985-02-28 | 1985-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61145778U true JPS61145778U (enExample) | 1986-09-08 |
Family
ID=30527553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2907485U Pending JPS61145778U (enExample) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61145778U (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009256088A (ja) * | 2008-04-21 | 2009-11-05 | Furukawa Unic Corp | 多段伸縮ブーム用ブーム長検出装置 |
-
1985
- 1985-02-28 JP JP2907485U patent/JPS61145778U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009256088A (ja) * | 2008-04-21 | 2009-11-05 | Furukawa Unic Corp | 多段伸縮ブーム用ブーム長検出装置 |