JPS6140361B2 - - Google Patents
Info
- Publication number
- JPS6140361B2 JPS6140361B2 JP52098819A JP9881977A JPS6140361B2 JP S6140361 B2 JPS6140361 B2 JP S6140361B2 JP 52098819 A JP52098819 A JP 52098819A JP 9881977 A JP9881977 A JP 9881977A JP S6140361 B2 JPS6140361 B2 JP S6140361B2
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- valve
- draft
- control
- hydraulic 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
- 239000007788 liquid Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 31
- 239000010720 hydraulic oil Substances 0.000 description 11
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000510097 Megalonaias nervosa Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9881977A JPS5322010A (en) | 1977-08-08 | 1977-08-08 | Hydraulic pressure controller of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9881977A JPS5322010A (en) | 1977-08-08 | 1977-08-08 | Hydraulic pressure controller of tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5322010A JPS5322010A (en) | 1978-03-01 |
| JPS6140361B2 true JPS6140361B2 (da) | 1986-09-09 |
Family
ID=14229911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9881977A Granted JPS5322010A (en) | 1977-08-08 | 1977-08-08 | Hydraulic pressure controller of tractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5322010A (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6358511U (da) * | 1986-10-06 | 1988-04-19 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2998851A (en) * | 1957-03-18 | 1961-09-05 | Int Harvester Co | Hydraulic power lift control means for tractors |
| JPS5057806A (da) * | 1973-10-04 | 1975-05-20 |
-
1977
- 1977-08-08 JP JP9881977A patent/JPS5322010A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2998851A (en) * | 1957-03-18 | 1961-09-05 | Int Harvester Co | Hydraulic power lift control means for tractors |
| JPS5057806A (da) * | 1973-10-04 | 1975-05-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5322010A (en) | 1978-03-01 |
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