JPS6319121B2 - - Google Patents
Info
- Publication number
- JPS6319121B2 JPS6319121B2 JP1799980A JP1799980A JPS6319121B2 JP S6319121 B2 JPS6319121 B2 JP S6319121B2 JP 1799980 A JP1799980 A JP 1799980A JP 1799980 A JP1799980 A JP 1799980A JP S6319121 B2 JPS6319121 B2 JP S6319121B2
- Authority
- JP
- Japan
- Prior art keywords
- ground
- working
- control system
- working depth
- control
- 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
- 238000001514 detection method Methods 0.000 description 15
- 230000001174 ascending effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Agricultural Machines (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1799980A JPS56113202A (en) | 1980-02-15 | 1980-02-15 | Working machine with automatic working depth controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1799980A JPS56113202A (en) | 1980-02-15 | 1980-02-15 | Working machine with automatic working depth controller |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56113202A JPS56113202A (en) | 1981-09-07 |
JPS6319121B2 true JPS6319121B2 (it) | 1988-04-21 |
Family
ID=11959405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1799980A Granted JPS56113202A (en) | 1980-02-15 | 1980-02-15 | Working machine with automatic working depth controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56113202A (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0614805B2 (ja) * | 1987-05-29 | 1994-03-02 | 株式会社クボタ | ドラフト制御装置 |
-
1980
- 1980-02-15 JP JP1799980A patent/JPS56113202A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56113202A (en) | 1981-09-07 |
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