JPH047244Y2 - - Google Patents
Info
- Publication number
- JPH047244Y2 JPH047244Y2 JP1987181030U JP18103087U JPH047244Y2 JP H047244 Y2 JPH047244 Y2 JP H047244Y2 JP 1987181030 U JP1987181030 U JP 1987181030U JP 18103087 U JP18103087 U JP 18103087U JP H047244 Y2 JPH047244 Y2 JP H047244Y2
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- arm
- rod
- level cylinder
- cylinder
- 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
Links
- 238000009412 basement excavation Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 description 8
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Shovels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987181030U JPH047244Y2 (ru) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987181030U JPH047244Y2 (ru) | 1987-11-30 | 1987-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0190853U JPH0190853U (ru) | 1989-06-14 |
JPH047244Y2 true JPH047244Y2 (ru) | 1992-02-26 |
Family
ID=31472529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987181030U Expired JPH047244Y2 (ru) | 1987-11-30 | 1987-11-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH047244Y2 (ru) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6038783Y2 (ja) * | 1980-12-23 | 1985-11-19 | 株式会社小松製作所 | 作業機の落下防止装置 |
JPS60169353U (ja) * | 1984-04-13 | 1985-11-09 | ヤンマーディーゼル株式会社 | 作業機シリンダのロツク装置 |
-
1987
- 1987-11-30 JP JP1987181030U patent/JPH047244Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0190853U (ru) | 1989-06-14 |
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