JPS53122505A - Automatic depth control device - Google Patents

Automatic depth control device

Info

Publication number
JPS53122505A
JPS53122505A JP3506977A JP3506977A JPS53122505A JP S53122505 A JPS53122505 A JP S53122505A JP 3506977 A JP3506977 A JP 3506977A JP 3506977 A JP3506977 A JP 3506977A JP S53122505 A JPS53122505 A JP S53122505A
Authority
JP
Japan
Prior art keywords
control device
depth control
automatic depth
automatic
depth
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.)
Pending
Application number
JP3506977A
Other languages
Japanese (ja)
Inventor
Masayuki Ichinose
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.)
OSAKA KOUKIYUU CHIYUUZOU TETSU
Original Assignee
OSAKA KOUKIYUU CHIYUUZOU TETSU
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 OSAKA KOUKIYUU CHIYUUZOU TETSU filed Critical OSAKA KOUKIYUU CHIYUUZOU TETSU
Priority to JP3506977A priority Critical patent/JPS53122505A/en
Publication of JPS53122505A publication Critical patent/JPS53122505A/en
Pending legal-status Critical Current

Links

Landscapes

  • Lifting Devices For Agricultural Implements (AREA)
JP3506977A 1977-03-28 1977-03-28 Automatic depth control device Pending JPS53122505A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3506977A JPS53122505A (en) 1977-03-28 1977-03-28 Automatic depth control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3506977A JPS53122505A (en) 1977-03-28 1977-03-28 Automatic depth control device

Publications (1)

Publication Number Publication Date
JPS53122505A true JPS53122505A (en) 1978-10-26

Family

ID=12431715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3506977A Pending JPS53122505A (en) 1977-03-28 1977-03-28 Automatic depth control device

Country Status (1)

Country Link
JP (1) JPS53122505A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62138106A (en) * 1985-12-12 1987-06-20 井関農機株式会社 Rising/falling controller of earth working machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62138106A (en) * 1985-12-12 1987-06-20 井関農機株式会社 Rising/falling controller of earth working machine
JPH0665244B2 (en) * 1985-12-12 1994-08-24 井関農機株式会社 Lifting control device for ground work machine

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