JPH0227031Y2 - - Google Patents

Info

Publication number
JPH0227031Y2
JPH0227031Y2 JP1985185821U JP18582185U JPH0227031Y2 JP H0227031 Y2 JPH0227031 Y2 JP H0227031Y2 JP 1985185821 U JP1985185821 U JP 1985185821U JP 18582185 U JP18582185 U JP 18582185U JP H0227031 Y2 JPH0227031 Y2 JP H0227031Y2
Authority
JP
Japan
Prior art keywords
expansion
expanded
rotary cam
piece
blades
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
JP1985185821U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6294187U (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 JP1985185821U priority Critical patent/JPH0227031Y2/ja
Publication of JPS6294187U publication Critical patent/JPS6294187U/ja
Application granted granted Critical
Publication of JPH0227031Y2 publication Critical patent/JPH0227031Y2/ja
Expired legal-status Critical Current

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  • Earth Drilling (AREA)
JP1985185821U 1985-12-02 1985-12-02 Expired JPH0227031Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985185821U JPH0227031Y2 (en]) 1985-12-02 1985-12-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985185821U JPH0227031Y2 (en]) 1985-12-02 1985-12-02

Publications (2)

Publication Number Publication Date
JPS6294187U JPS6294187U (en]) 1987-06-16
JPH0227031Y2 true JPH0227031Y2 (en]) 1990-07-23

Family

ID=31134808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985185821U Expired JPH0227031Y2 (en]) 1985-12-02 1985-12-02

Country Status (1)

Country Link
JP (1) JPH0227031Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4638743B2 (ja) * 2005-01-24 2011-02-23 三和機材株式会社 掘削作業ロッドの拡大ヘッド

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5644877Y2 (en]) * 1979-05-02 1981-10-20
JPS5817835U (ja) * 1981-07-27 1983-02-03 象印マホービン株式会社 コ−ヒ−メ−カ−のドリップパイプ

Also Published As

Publication number Publication date
JPS6294187U (en]) 1987-06-16

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