JPH01150652U - - Google Patents
Info
- Publication number
- JPH01150652U JPH01150652U JP4908288U JP4908288U JPH01150652U JP H01150652 U JPH01150652 U JP H01150652U JP 4908288 U JP4908288 U JP 4908288U JP 4908288 U JP4908288 U JP 4908288U JP H01150652 U JPH01150652 U JP H01150652U
- Authority
- JP
- Japan
- Prior art keywords
- arm
- relative rotation
- boom
- tip
- attached
- 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
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988049082U JPH0735876Y2 (ja) | 1988-04-11 | 1988-04-11 | バックホーに於ける掘削部衝突防止構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988049082U JPH0735876Y2 (ja) | 1988-04-11 | 1988-04-11 | バックホーに於ける掘削部衝突防止構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01150652U true JPH01150652U (fr) | 1989-10-18 |
| JPH0735876Y2 JPH0735876Y2 (ja) | 1995-08-16 |
Family
ID=31275201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988049082U Expired - Lifetime JPH0735876Y2 (ja) | 1988-04-11 | 1988-04-11 | バックホーに於ける掘削部衝突防止構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735876Y2 (fr) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61169161U (fr) * | 1985-04-03 | 1986-10-20 | ||
| JPS639360U (fr) * | 1986-07-01 | 1988-01-21 |
-
1988
- 1988-04-11 JP JP1988049082U patent/JPH0735876Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61169161U (fr) * | 1985-04-03 | 1986-10-20 | ||
| JPS639360U (fr) * | 1986-07-01 | 1988-01-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735876Y2 (ja) | 1995-08-16 |
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