JPS6223890Y2 - - Google Patents

Info

Publication number
JPS6223890Y2
JPS6223890Y2 JP1981048094U JP4809481U JPS6223890Y2 JP S6223890 Y2 JPS6223890 Y2 JP S6223890Y2 JP 1981048094 U JP1981048094 U JP 1981048094U JP 4809481 U JP4809481 U JP 4809481U JP S6223890 Y2 JPS6223890 Y2 JP S6223890Y2
Authority
JP
Japan
Prior art keywords
shaft
spiral blade
extended
rotating shaft
floor plate
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
Application number
JP1981048094U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57160359U (en]
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 filed Critical
Priority to JP1981048094U priority Critical patent/JPS6223890Y2/ja
Publication of JPS57160359U publication Critical patent/JPS57160359U/ja
Application granted granted Critical
Publication of JPS6223890Y2 publication Critical patent/JPS6223890Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1981048094U 1981-04-03 1981-04-03 Expired JPS6223890Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981048094U JPS6223890Y2 (en]) 1981-04-03 1981-04-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981048094U JPS6223890Y2 (en]) 1981-04-03 1981-04-03

Publications (2)

Publication Number Publication Date
JPS57160359U JPS57160359U (en]) 1982-10-08
JPS6223890Y2 true JPS6223890Y2 (en]) 1987-06-18

Family

ID=29844844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981048094U Expired JPS6223890Y2 (en]) 1981-04-03 1981-04-03

Country Status (1)

Country Link
JP (1) JPS6223890Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5241555B2 (ja) * 2009-02-17 2013-07-17 松山株式会社 溝掘機

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5910216Y2 (ja) * 1978-04-19 1984-03-30 井関農機株式会社 螺旋式作溝兼穴掘装置

Also Published As

Publication number Publication date
JPS57160359U (en]) 1982-10-08

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