JPH0523673Y2 - - Google Patents

Info

Publication number
JPH0523673Y2
JPH0523673Y2 JP1986034329U JP3432986U JPH0523673Y2 JP H0523673 Y2 JPH0523673 Y2 JP H0523673Y2 JP 1986034329 U JP1986034329 U JP 1986034329U JP 3432986 U JP3432986 U JP 3432986U JP H0523673 Y2 JPH0523673 Y2 JP H0523673Y2
Authority
JP
Japan
Prior art keywords
leader
sheave block
top sheave
drive device
kelly bar
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 - Lifetime
Application number
JP1986034329U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62148694U (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 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 (en])

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=30842772

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH0523673Y2 (en])

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5221801B2 (en]) * 1973-06-06 1977-06-13
JPS5629398Y2 (en]) * 1976-11-17 1981-07-13
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
JPS62148694U (en]) 1987-09-19

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