JPH01141856U - - Google Patents
Info
- Publication number
- JPH01141856U JPH01141856U JP3927488U JP3927488U JPH01141856U JP H01141856 U JPH01141856 U JP H01141856U JP 3927488 U JP3927488 U JP 3927488U JP 3927488 U JP3927488 U JP 3927488U JP H01141856 U JPH01141856 U JP H01141856U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pilot
- travel
- pump
- pressure oil
- 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
- 230000007935 neutral effect Effects 0.000 claims 6
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988039274U JP2504571Y2 (ja) | 1988-03-24 | 1988-03-24 | 油圧ショベルの油圧回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988039274U JP2504571Y2 (ja) | 1988-03-24 | 1988-03-24 | 油圧ショベルの油圧回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01141856U true JPH01141856U (zh) | 1989-09-28 |
JP2504571Y2 JP2504571Y2 (ja) | 1996-07-10 |
Family
ID=31265785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988039274U Expired - Lifetime JP2504571Y2 (ja) | 1988-03-24 | 1988-03-24 | 油圧ショベルの油圧回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2504571Y2 (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59163664U (ja) * | 1983-04-20 | 1984-11-01 | ハンド−ザ−工業株式会社 | 全旋回掘削機 |
JPS61142235A (ja) * | 1984-12-17 | 1986-06-30 | Sumitomo Heavy Ind Ltd | 油圧ショベル等の建設機械の油圧回路 |
JPS62107124A (ja) * | 1985-10-15 | 1987-05-18 | Yutani Juko Kk | 建設機械の油圧回路 |
-
1988
- 1988-03-24 JP JP1988039274U patent/JP2504571Y2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59163664U (ja) * | 1983-04-20 | 1984-11-01 | ハンド−ザ−工業株式会社 | 全旋回掘削機 |
JPS61142235A (ja) * | 1984-12-17 | 1986-06-30 | Sumitomo Heavy Ind Ltd | 油圧ショベル等の建設機械の油圧回路 |
JPS62107124A (ja) * | 1985-10-15 | 1987-05-18 | Yutani Juko Kk | 建設機械の油圧回路 |
Also Published As
Publication number | Publication date |
---|---|
JP2504571Y2 (ja) | 1996-07-10 |
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