JPS6457190U - - Google Patents

Info

Publication number
JPS6457190U
JPS6457190U JP15168887U JP15168887U JPS6457190U JP S6457190 U JPS6457190 U JP S6457190U JP 15168887 U JP15168887 U JP 15168887U JP 15168887 U JP15168887 U JP 15168887U JP S6457190 U JPS6457190 U JP S6457190U
Authority
JP
Japan
Prior art keywords
kelly bar
excavating tool
connecting shaft
holding cylinder
mast
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
JP15168887U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0513829Y2 (hu
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 JP1987151688U priority Critical patent/JPH0513829Y2/ja
Publication of JPS6457190U publication Critical patent/JPS6457190U/ja
Application granted granted Critical
Publication of JPH0513829Y2 publication Critical patent/JPH0513829Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1987151688U 1987-10-05 1987-10-05 Expired - Lifetime JPH0513829Y2 (hu)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987151688U JPH0513829Y2 (hu) 1987-10-05 1987-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987151688U JPH0513829Y2 (hu) 1987-10-05 1987-10-05

Publications (2)

Publication Number Publication Date
JPS6457190U true JPS6457190U (hu) 1989-04-10
JPH0513829Y2 JPH0513829Y2 (hu) 1993-04-13

Family

ID=31425954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987151688U Expired - Lifetime JPH0513829Y2 (hu) 1987-10-05 1987-10-05

Country Status (1)

Country Link
JP (1) JPH0513829Y2 (hu)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007231681A (ja) * 2006-03-03 2007-09-13 Nippon Sharyo Seizo Kaisha Ltd オーガ用変速装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531802U (hu) * 1978-06-21 1980-02-29
JPS58156687A (ja) * 1982-03-12 1983-09-17 日立建機株式会社 ア−スドリルにおけるスラスタ−自動復帰装置
JPS58180989U (ja) * 1982-12-09 1983-12-02 西尾　佳一 ア−スドリル装置
JPS61106824A (ja) * 1984-10-29 1986-05-24 Chuo Jidosha Kogyo Kk 杭打機の油圧オ−ガ−装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5332813A (en) * 1976-09-09 1978-03-28 Nippon Kokan Kk <Nkk> Preferential oxidizing method for molten iron

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531802U (hu) * 1978-06-21 1980-02-29
JPS58156687A (ja) * 1982-03-12 1983-09-17 日立建機株式会社 ア−スドリルにおけるスラスタ−自動復帰装置
JPS58180989U (ja) * 1982-12-09 1983-12-02 西尾　佳一 ア−スドリル装置
JPS61106824A (ja) * 1984-10-29 1986-05-24 Chuo Jidosha Kogyo Kk 杭打機の油圧オ−ガ−装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007231681A (ja) * 2006-03-03 2007-09-13 Nippon Sharyo Seizo Kaisha Ltd オーガ用変速装置

Also Published As

Publication number Publication date
JPH0513829Y2 (hu) 1993-04-13

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