JPS62148694U - - Google Patents

Info

Publication number
JPS62148694U
JPS62148694U JP3432986U JP3432986U JPS62148694U JP S62148694 U JPS62148694 U JP S62148694U JP 3432986 U JP3432986 U JP 3432986U JP 3432986 U JP3432986 U JP 3432986U JP S62148694 U JPS62148694 U JP S62148694U
Authority
JP
Japan
Prior art keywords
leader
drive device
kelly
rotation drive
earth drill
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
JP3432986U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0523673Y2 (enrdf_load_stackoverflow
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 JP1986034329U priority Critical patent/JPH0523673Y2/ja
Publication of JPS62148694U publication Critical patent/JPS62148694U/ja
Application granted granted Critical
Publication of JPH0523673Y2 publication Critical patent/JPH0523673Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1986034329U 1986-03-10 1986-03-10 Expired - Lifetime JPH0523673Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986034329U JPH0523673Y2 (enrdf_load_stackoverflow) 1986-03-10 1986-03-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986034329U JPH0523673Y2 (enrdf_load_stackoverflow) 1986-03-10 1986-03-10

Publications (2)

Publication Number Publication Date
JPS62148694U true JPS62148694U (enrdf_load_stackoverflow) 1987-09-19
JPH0523673Y2 JPH0523673Y2 (enrdf_load_stackoverflow) 1993-06-16

Family

ID=30842772

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986034329U Expired - Lifetime JPH0523673Y2 (enrdf_load_stackoverflow) 1986-03-10 1986-03-10

Country Status (1)

Country Link
JP (1) JPH0523673Y2 (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5012808A (enrdf_load_stackoverflow) * 1973-06-06 1975-02-10
JPS5370702U (enrdf_load_stackoverflow) * 1976-11-17 1978-06-14
JPS584025A (ja) * 1981-06-30 1983-01-11 Nippon Sharyo Seizo Kaisha Ltd 杭打機のフロントアタツチメント格納方法及びその装置
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5012808A (enrdf_load_stackoverflow) * 1973-06-06 1975-02-10
JPS5370702U (enrdf_load_stackoverflow) * 1976-11-17 1978-06-14
JPS584025A (ja) * 1981-06-30 1983-01-11 Nippon Sharyo Seizo Kaisha Ltd 杭打機のフロントアタツチメント格納方法及びその装置
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

Also Published As

Publication number Publication date
JPH0523673Y2 (enrdf_load_stackoverflow) 1993-06-16

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