JPH0443914U - - Google Patents
Info
- Publication number
- JPH0443914U JPH0443914U JP8688390U JP8688390U JPH0443914U JP H0443914 U JPH0443914 U JP H0443914U JP 8688390 U JP8688390 U JP 8688390U JP 8688390 U JP8688390 U JP 8688390U JP H0443914 U JPH0443914 U JP H0443914U
- Authority
- JP
- Japan
- Prior art keywords
- automatic
- plowing depth
- increasing
- plowing
- speed
- 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
- 230000035945 sensitivity Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000003971 tillage Methods 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990086883U JP2559253Y2 (ja) | 1990-08-20 | 1990-08-20 | 対地作業車における耕深自動制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990086883U JP2559253Y2 (ja) | 1990-08-20 | 1990-08-20 | 対地作業車における耕深自動制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0443914U true JPH0443914U (el) | 1992-04-14 |
JP2559253Y2 JP2559253Y2 (ja) | 1998-01-14 |
Family
ID=31636520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990086883U Expired - Lifetime JP2559253Y2 (ja) | 1990-08-20 | 1990-08-20 | 対地作業車における耕深自動制御装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2559253Y2 (el) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011234622A (ja) * | 2010-04-30 | 2011-11-24 | Yanmar Co Ltd | トラクタ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61275913A (ja) * | 1985-05-30 | 1986-12-06 | Kubota Ltd | 作業車 |
JPS6244103A (ja) * | 1985-08-19 | 1987-02-26 | 株式会社クボタ | 対地作業装置の昇降制御機構 |
JPS63188306A (ja) * | 1987-01-31 | 1988-08-03 | セイレイ工業株式会社 | ロ−タリ耕耘機の耕耘作業部上昇速度制御装置 |
-
1990
- 1990-08-20 JP JP1990086883U patent/JP2559253Y2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61275913A (ja) * | 1985-05-30 | 1986-12-06 | Kubota Ltd | 作業車 |
JPS6244103A (ja) * | 1985-08-19 | 1987-02-26 | 株式会社クボタ | 対地作業装置の昇降制御機構 |
JPS63188306A (ja) * | 1987-01-31 | 1988-08-03 | セイレイ工業株式会社 | ロ−タリ耕耘機の耕耘作業部上昇速度制御装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011234622A (ja) * | 2010-04-30 | 2011-11-24 | Yanmar Co Ltd | トラクタ |
Also Published As
Publication number | Publication date |
---|---|
JP2559253Y2 (ja) | 1998-01-14 |
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