JPS5558004A - Method and device for controlling tillage depth - Google Patents

Method and device for controlling tillage depth

Info

Publication number
JPS5558004A
JPS5558004A JP12968678A JP12968678A JPS5558004A JP S5558004 A JPS5558004 A JP S5558004A JP 12968678 A JP12968678 A JP 12968678A JP 12968678 A JP12968678 A JP 12968678A JP S5558004 A JPS5558004 A JP S5558004A
Authority
JP
Japan
Prior art keywords
tillage depth
controlling
controlling tillage
depth
tillage
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
Application number
JP12968678A
Other languages
Japanese (ja)
Other versions
JPS6349961B2 (en
Inventor
Hideki Kamiyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanmar Co Ltd
Original Assignee
Yanmar Agricultural Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yanmar Agricultural Equipment Co Ltd filed Critical Yanmar Agricultural Equipment Co Ltd
Priority to JP12968678A priority Critical patent/JPS5558004A/en
Publication of JPS5558004A publication Critical patent/JPS5558004A/en
Publication of JPS6349961B2 publication Critical patent/JPS6349961B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lifting Devices For Agricultural Implements (AREA)
JP12968678A 1978-10-20 1978-10-20 Method and device for controlling tillage depth Granted JPS5558004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12968678A JPS5558004A (en) 1978-10-20 1978-10-20 Method and device for controlling tillage depth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12968678A JPS5558004A (en) 1978-10-20 1978-10-20 Method and device for controlling tillage depth

Publications (2)

Publication Number Publication Date
JPS5558004A true JPS5558004A (en) 1980-04-30
JPS6349961B2 JPS6349961B2 (en) 1988-10-06

Family

ID=15015667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12968678A Granted JPS5558004A (en) 1978-10-20 1978-10-20 Method and device for controlling tillage depth

Country Status (1)

Country Link
JP (1) JPS5558004A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5981306U (en) * 1982-11-20 1984-06-01 ヤンマー農機株式会社 Angle control device for work equipment
JPS59216502A (en) * 1983-05-25 1984-12-06 井関農機株式会社 Automatic lift controller of earth working machine
JPS6087703A (en) * 1983-10-20 1985-05-17 セイレイ工業株式会社 Depth control apparatus
JPS63137602A (en) * 1986-11-29 1988-06-09 日本精機株式会社 Lift control method of plowing work machine body in agricultural tractor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934764A (en) * 1972-07-31 1974-03-30
JPS5125441U (en) * 1974-08-13 1976-02-25
JPS51144405U (en) * 1975-05-13 1976-11-20
JPS5298101A (en) * 1976-02-05 1977-08-17 Kubota Ltd Movable soil treating machinery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934764A (en) * 1972-07-31 1974-03-30
JPS5125441U (en) * 1974-08-13 1976-02-25
JPS51144405U (en) * 1975-05-13 1976-11-20
JPS5298101A (en) * 1976-02-05 1977-08-17 Kubota Ltd Movable soil treating machinery

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5981306U (en) * 1982-11-20 1984-06-01 ヤンマー農機株式会社 Angle control device for work equipment
JPH0340084Y2 (en) * 1982-11-20 1991-08-23
JPS59216502A (en) * 1983-05-25 1984-12-06 井関農機株式会社 Automatic lift controller of earth working machine
JPH0353884B2 (en) * 1983-05-25 1991-08-16
JPS6087703A (en) * 1983-10-20 1985-05-17 セイレイ工業株式会社 Depth control apparatus
JPH0464646B2 (en) * 1983-10-20 1992-10-15 Seirei Kogyo Kk
JPS63137602A (en) * 1986-11-29 1988-06-09 日本精機株式会社 Lift control method of plowing work machine body in agricultural tractor

Also Published As

Publication number Publication date
JPS6349961B2 (en) 1988-10-06

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