JPH0735876Y2 - バックホーに於ける掘削部衝突防止構造 - Google Patents
バックホーに於ける掘削部衝突防止構造Info
- Publication number
- JPH0735876Y2 JPH0735876Y2 JP1988049082U JP4908288U JPH0735876Y2 JP H0735876 Y2 JPH0735876 Y2 JP H0735876Y2 JP 1988049082 U JP1988049082 U JP 1988049082U JP 4908288 U JP4908288 U JP 4908288U JP H0735876 Y2 JPH0735876 Y2 JP H0735876Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- tip
- arm
- excavation
- relative rotation
- 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
- 238000009412 basement excavation Methods 0.000 title claims description 36
- 230000002265 prevention Effects 0.000 title description 3
- 238000001514 detection method Methods 0.000 claims description 29
- 230000007246 mechanism Effects 0.000 claims description 24
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000004913 activation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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 JPH01150652U (enrdf_load_stackoverflow) | 1989-10-18 |
| JPH0735876Y2 true 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 (enrdf_load_stackoverflow) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH053561Y2 (enrdf_load_stackoverflow) * | 1985-04-03 | 1993-01-28 | ||
| JPS639360U (enrdf_load_stackoverflow) * | 1986-07-01 | 1988-01-21 |
-
1988
- 1988-04-11 JP JP1988049082U patent/JPH0735876Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01150652U (enrdf_load_stackoverflow) | 1989-10-18 |
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